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Biogen Inc.
7/22/2020
Good morning. My name is Regina, and I will be your conference operator today. At this time, I would like to welcome everyone to the Biogen second quarter 2020 financial results and business update. All lines have been placed on mute to prevent any background noise. After the speaker's remark, there will be a question and answer session. If you would like to ask a question during this time, simply press star then the number one on your telephone keypad. Please limit yourself to one question to allow other participants time for questions. If you require any further follow-up, you may press star 1 again to rejoin the queue. Thank you. I would now like to turn the conference over to Mr. Joe Marra, Vice President, Investor Relations. You may begin your conference.
Good morning, and welcome to Biogen's second quarter 2020 earnings call. Before we begin, I encourage everyone to go to the Investors section of Biogen.com, to find the earnings relief in related financial tables, including a reconciliation of the GAAP and non-GAAP financial measures that we will discuss today. Our GAAP financials are provided in Tables 1 and 2, and Table 3 includes a reconciliation of our GAAP and non-GAAP financial results and our GAAP and non-GAAP financial guidance. We believe non-GAAP financial results better represent the ongoing economics of our business and reflect how we manage the business internally. We've also posted slides on our website that follow discussions related I would like to point out that we will be making forward-looking statements, which are based on our current expectations and beliefs. These statements are subject to certain risks and uncertainties, and our actual results may differ materially. I encourage you to consult the risk factors discussed in our SEC filings for additional details. On today's call, I am joined by our Chief Executive Officer, Michelle Bonatos, Dr. Al Sandrock, EVP Research and Development, and our CFO, Jeff Capello. Now, I will turn the call over to Michelle.
Good morning, everyone, and thank you for joining us. With a focus on strong execution, we have continued to serve patients, advance our strategic priorities, and delivered another strong financial quarter. Let me begin with some important developments. First, we have completed our submission for U.S. approval of aducanumab, an unprecedented opportunity for patients and for biogen, to potentially bring to market the first therapy to reduce the devastating clinical decline and meaningfully change the course of Alzheimer's disease. I am incredibly proud of the BioGen team for their dedication and tireless work leading to the completion of our regulatory submission on July 7. This submission follows ongoing collaboration with the FDA and includes data from a comprehensive clinical development program including EMERGE, the first positive phase three study ever in this phase, together with supporting data from the phase three ENGAGE study and positive results from the phase one B-prime study. Our data show that aducanumab may help to both reduce the decline of cognitive function and help patients' ability to perform certain activities of daily living, which for some patients may result in independence for a longer period of time. In terms of next steps, we anticipate receiving a response from the FDA within 60 days from the submission date, notifying us if the submission has been accepted, and if accepted, whether we have been granted priority review. We plan to communicate both of these decisions via a press release. We have progressed in our U.S. launch readiness, including increasing our medical engagement with experts and thought leaders to better assess how aducanumab could potentially impact clinical practice. We have started to make progress engaging with payers and defining aducanumab's value proposition, and we have now established a cross-functional team dedicated to site readiness, which is currently operational. Outside the U.S., we made significant progress this quarter. We had formal meetings with the EU regulators as we prepared to submit a filing, and we are beginning to ramp up our launch readiness efforts in Europe. In Japan, we had informal regulatory interaction and are preparing for formal consultation with the PMDA. Overall, together with our collaboration partner, SI, we remain optimistic about the prospect of bringing aducanumab to market as the first therapy to meaningfully change the course of Alzheimer's disease, and we have continued to progress in our market preparation and long-treadiness with an initial focus on the U.S. We believe that aducanumab marks the beginning of an era of new potential treatment for Alzheimer's disease, and we aim to build a broad franchise across multiple targets and modalities. This includes band 24-1 in phase 3, which we are collaborating on with SI, including a new study in preclinical Alzheimer's, multiple programs targeting tau, and our collaboration with Sangamo to develop gene regulation therapies for a range of neurological indications, including Alzheimer's disease. We believe Biogen is uniquely positioned to lead the fight in Alzheimer's disease over both the short and the long term. Second, we are disappointed in the recent court decision in West Virginia regarding our patent for TechFedera. We are appealing the decision and intend to vigorously defend our IP. No matter what the final outcome will be, we still believe Biogen is well positioned for shareholder value creation as we work to capitalize on growth opportunities in our core business and uniquely positioned, and that the time is now for Biogen to lead in the evolution of this space. We have a deep pipeline of 29 clinical assets, including seven in phase three are filed. And seven, meet to late-stage data readouts by the end of 2021 with near-term value creation opportunities beyond Alzheimer's disease in other important areas such as ALS, ophthalmology, lupus, and stroke. Third, as we announced yesterday, Jeff will be stepping down as CFO in August. I'd like to thank Jeff for his many contributions to the company including establishing a very strong team, helping to deliver consistent results quarter over quarter, strengthening our finance processes and operations, and creating a disciplined cost management culture. We are pleased that Jeff will be staying on for a brief period to ensure a seamless transition. We wish him well in his future endeavor. I will now review our Q2 performance and progress against our strategy priorities. Compared to the same period a year ago, second quarter revenues grew 2% to $3.7 billion. Second quarter GAAP earnings per share grew 22% to $9.59, and non-GAAP EPS grew 12% to $10.28. Importantly, We saw improved momentum in June following an impact from COVID-19 earlier in the quarter. First, Q2 MS revenues including OCRVS royalties were $2.3 billion. The number of patients on our MS product globally increased 3% versus the prior year, and our business continues to demonstrate resilience. We saw strong market share performance for our MS portfolio this quarter with increased share of new prescriptions in the US and stabilized market share in Europe. Overall, our Fumared products had a strong quarter as we focused on maximizing the potential for Tecfidera and Vumerity combined. Although we were disappointed in the performance for Vumerity, it's important to note that the MS market in the US has been significantly impacted by lower new patient staff and switches due to COVID-19, as well as reduced engagement with physicians, which have both impacted the launch of Vimerity. Importantly, we believe the market is increasingly aware that Vimerity is clearly differentiated in terms of better GI tolerability and may represent a better treatment alternative for many MS patients. Going forward, Our strategic focus is now on Vumerity, and we are increasing our resource allocation to maximize this next-generation FEMA rate. We are hopeful that this approach, combined with a potential recovery in the dynamic portion of the market, will help improve Vumerity's trajectory in the second half of the year. Outside of the U.S., this quarter, We were very pleased to have submitted regulatory filing for the emergency in Canada and Switzerland, and we plan to file in the EU by the end of this year. A critical part of our strategy in MS is and will continue to be investing in lifecycle management and innovative new approaches to help address the remaining unmet medical needs. We look forward to the readout of OPC-NUMAB this year, which could represent a transformative new approach to slowing or even potentially reversing disability progression through remuneration. In addition to OPC-NUMAB, we continue to advance BIP61, an oral remuneration therapy, and BIP91, an oral BTK inhibitor with a potentially best-in-class profile. And we believe these important assets could bolster our broad portfolio of treatments for MS going forward. Across our current MS products, our focus on lifecycle management is a high priority. We recently filed for approval of a subcutaneous formulation of both the US and EU to offer a competitive dosing profile in the high-efficacy space. We continue to advance the potential use of extended interval dosing for Tysabri. We are advancing an intramuscular formulation of Plegrity to potentially improve its tolerability profile, and we are leveraging label updates regarding the use of interferons during pregnancy. We remain committed to MS, and regardless of the outcome of the tech federal litigation, we are focused on maximizing the broad opportunities we have with both present and future product offerings. Second, Spinraza. Spinraza generated second quarter global revenues of $495 million, a 1% increase versus the prior year. We are pleased with its performance in light of dozing delays due to COVID-19, which peaked in mid-April and began to normalize in May and June. Including the expanded access program and clinical trials, over 11,000 patients are being treated with Spinraza, an increase of 30% versus the prior year. This quarter, we presented important new data at the virtual CURE SMA meeting, showing an unprecedented benefit on survival for pre-symptomatic SMA patients treated with Spinraza. Data from the neutral study continue to demonstrate the compelling benefits Spinraza can provide to patients. This follows the publication of independent real-world data earlier this year demonstrating the clinically meaningful benefits Spinraza can deliver for teens and adults, which represent the largest portion of the market. Spinraza continues to be the only therapy approved for SMA patients of all ages. with clinically meaningful and sustained efficacy across all age groups. We recently announced our plans to initiate a new clinical study evaluating the safety and efficacy of Spinraza when administered to infants following gene therapy. We believe there is a strong scientific rationale and a high need to evaluate the potential added benefit of Spinraza in this population. We have seen real-world demand for Spinraza in this setting with 40% of patients in the long-term extension of the phase one study of gene therapy going on to receive Spinraza. Further, in our lifecycle management in SMA, we are also investigating whether higher dose of Spinraza could result in even greater efficacy through the devote study. Third, biosimilar revenues for the second quarter were $172 million as we observed an impact from COVID-19, particularly early in the quarter. We estimate that our biosimilar generated approximately 1.8 billion euros of savings to the European healthcare systems in 2019, which we expect will continue to increase in 2020. This is important as we work to create financial headroom for innovation and contribute to the long-term sustainability of the healthcare systems. In addition, Samsung BioAPIS recently initiated a phase three study for our potential biosimilar referencing ILEA, as we work to expand into ophthalmology and additional geographies, including Japan and the US. Fourth, beyond Alzheimer's disease, We continue to progress our pipeline. We initiated a new Phase I study in movement disorders. We presented positive first-in-class data for BIP59 in cutaneous lupus erythematosus, and the positive Phase I-II results for Tofersen in SOD1 ALS were published in the New England Journal of Medicine. Fifth, our cash flow generation remains strong. and continue to provide us with significant optionality and flexibility to allocate capital. In Q2, we generated approximately $2 billion in cash flow from operations. We have $5.3 billion in cash and marketable securities on the balance sheet, providing us with the financial flexibility to continue to evaluate external business development and M&A opportunities. As we have demonstrated in the past, we are committed to maximizing returns for our shareholders as we aim to bring innovative therapies to patients, something that demands a thoughtful approach towards all our investment over both the short and the long term. In summary, Biogen has continued to execute well on our strategy, including the recent BLA submission for aducanumab in the U.S. While we are mindful of the potential risk to Tecfidera, We believe we are well positioned as we continue to build a multi-franchise portfolio, leveraging the interconnectivity of our deep neuroscience pipeline. We expect seven important meet-to-late-stage readouts by end of next year, and we have several opportunities for meaningful value creation in areas of high unmet medical need beyond Alzheimer's, including ALS, ophthalmology, lupus, and stroke. as well as continued innovation in MS and SMA. I will now turn the call over to Al for a more detailed update on our recent progress in R&D.
Thank you, Michel, and good morning everyone. I would like to start by thanking the Biogen team for their hard work as they continue to advance our R&D programs during these challenging times. Although some uncertainty remains on the impact that COVID-19 is having on our studies, I'm pleased that the majority of our clinical trials are currently on track or only slightly delayed, with seven mid- to late-stage readouts expected by the end of next year. Let me now turn to the advances we made across our pipeline in the second quarter. Starting with Alzheimer's disease, as Michelle mentioned, we have completed the BLA submission for aducanumab to the FDA. This submission is based upon eMERGE, the first positive Phase III study for a therapy to reduce clinical decline in Alzheimer's disease, supporting data from ENGAGE, although this study did not meet its primary endpoint, and positive results from the Phase Ib prime study. We participated in a pre-BLA meeting with the FDA, during which the agency reiterated that submitting a BLA based on data from eMERGE, ENGAGE, and prime was reasonable. We look forward to working with the FDA during their review and continuing our engagement with other regulators around the world. I want to congratulate the team for achieving this important milestone in the midst of the COVID-19 crisis. We also continue to develop a broader Alzheimer's disease portfolio and believe we are well positioned for sustained leadership in this disease area. Part of this strategy includes expanding into even earlier patient populations with the goal of delaying or perhaps even preventing the clinical onset of the disease. To that end, our collaboration partner, ASI, in conjunction with the Alzheimer's Clinical Trial Consortium, announced initiation of the AHEAD 345 clinical study to evaluate BAN 2401 in individuals with preclinical Alzheimer's disease. These individuals have intermediate or elevated levels of amyloid in their brain. Together, the A3 and A45 studies will evaluate whether early administration of BAN2401 can suppress the progression of amyloid and tau pathology and reduce cognitive decline in the very early stages of Alzheimer's disease. The results of the BAN2401 Phase II study, as well as the similarities between BAN2401 and aducanumab, give us reason to be optimistic regarding the ongoing Phase III study for BAN2401 in early Alzheimer's disease. Beyond amyloid beta, we continue to advance several programs aimed at different drug targets, including tau, which, when misfolded, is the principal constituent of neurofibrillary tangles, a hallmark of Alzheimer's pathology. The accumulation and spread of misfolded tau in the brain correlates with disease progression and may make it amenable to clearance via antibody-based approaches, which we believe target extracellular forms of the protein. Our lead tau asset is goceranumab, a monoclonal antibody currently in a phase two study in Alzheimer's disease. This study is fully enrolled with data expected in the first half of next year. In addition to goceranumab, we also have bib76, a distinct anti-tau antibody in phase one. We're also advancing our ASO targeting tau, bib80, which may reduce the synthesis of all forms of the protein both intracellular and extracellular. Moving to our MS portfolio, we continued to advance a number of initiatives aimed at further unlocking the value of our existing franchise. To that end, we presented new data across our MS portfolio at the AAN meeting in May. Among the data presented were new data on Tysabri, which supported previous findings that extended interval dosing is associated with a lower incidence of PML. and may maintain comparable efficacy as assessed by serum neurofilament light biomarkers. The efficacy of extended interval dosing as compared to the standard dosing regimen is being assessed prospectively in the ongoing NOVA study, which has an expected readout in the first half of next year. In addition, we are pursuing what we hope will be transformative approaches in MS. The most advanced asset in our MS pipeline is Opucinimab, or anti-lingo, which is a potential first-in-class remyelination agent to promote neuronal repair and potentially reverse disability in MS. The safety and efficacy of Opucinimab as an add-on to existing disease-modifying therapies in MS is currently being evaluated in the Phase IIb affinity trial. Affinity takes advantage of data from the prior Synergy Phase II study in MS, and a subsequent post-hoc analysis to identify what we believe are additional criteria needed to identify the right patients, the right dose, and the right measurements to assess the therapeutic potential of opacinamide. We also have an oral remyelination agent, BIB-061, in phase one that has a target distinct from that of antilingo. Additionally, we have BIB-91, a small molecule BTK inhibitor in Phase I. We believe that BIP91's highly potent and selective non-covalent inhibition of BTK may make it a best-in-class molecule. Turning to neuromuscular disorders, we presented an update on the ongoing NURTURE study at the CURE SMA meeting this last month. NURTURE, which is the longest study ever done on the treatment of pre-symptomatic patients with SMA, evaluates noose and ursin in infants who had initiated treatment shortly after birth and prior to the onset of symptoms. The new analysis showed that all 25 or 100% of children up to 4.8 years of age were alive and remained free of permanent ventilation, with 88% walking independently and 96% able to walk with assistance. We are pleased to report that the U.S. label of nusinersen was recently updated to include the additional data gathered in the nurture study. In ALS, the results from the Phase I-II trial of tefersen in patients with genetic ALS due to mutations in SOD1 were published in the New England Journal of Medicine this month. This study showed promising signs of efficacy across multiple clinical and biomarker endpoints. We are encouraged by these results and look forward to the results of the ongoing Phase III VALOR study, which is expected to read out late next year. We believe that the Tofersen results have positive implications for our other assets for ALS, including BIP78 for ALS-duty mutations in C9-ORF, the most common genetic cause of the disease, as well as our program targeting ataxin-2. Next, I would like to turn to the encouraging progress we are making in lupus. Last month at the European College of Rheumatology meeting, we presented results from our Phase II LILAC study evaluating the safety and efficacy of BIV59, a fully humanized monoclonal antibody targeting BDCA2 in individuals with active cutaneous lupus erythematosus, or CLE, with or without systemic manifestations. BID-59 treatment resulted in a dose response on the CLASI-A score, a well-defined and reliable outcome measure to detect CLE skin disease activity. Specifically, study participants with CLE treated with BID-59 showed statistically significant reductions in CLASI-A score at week 16 versus placebo, with a p-value on the primary endpoint of less than 0.001. BIV-59 was discovered and developed by Biogen scientists and has the potential to be the first anti-BDCA2 antibody for the treatment of lupus. We plan to initiate a Phase III program for BIV-59 in the first half of next year. In collaboration with our partner, UCB, we aim to start in Q3 of this year the Phase III program for Depirilizumab Pegol in patients with active systemic lupus erythematosus despite being treated by standard of care therapies. This Phase III program follows promising results from the Phase IIB clinical trial, of which interim results were presented at ULAR in June of 2019. Together with BIP59 and Deprelizumab, both in late-stage development, we are well-positioned to potentially build a meaningful franchise in lupus, a disease in which patients need better treatment options. Turning to ophthalmology, we continue to advance our gene therapy programs for inherited retinal disorders, including BID-111 for choroideremia and BID-112 for X-linked retinitis pigmentosa, both diseases with no approved treatments. We expect data from the Phase III study of BID-111 in the first half of next year. Importantly, this represents our next pivotal readout and our next potential commercial product after aducanumab. We also expect data from the Phase 2-3 study of BIB 112 in the first half of 2021. We are pleased to have entered into a licensing agreement with Massachusetts Eye and Ear Infirmary to develop a potential treatment for inherited retinal degeneration due to mutations in the PRPF31 gene, which are among the most common causes for autosomal dominant retinitis pigmentosa. In summary, we continue to progress a broad and deep pipeline focused on neuroscience aimed at capitalizing on the breaking science, including the advancements in imaging, CSF, and blood-based biomarkers, and the significant unmet need in this space as we work to create a multi-franchise portfolio. Through the end of next year, we have a significant number of expected mid- to late-stage readouts across a diverse set of important therapeutic areas, including MS, ALS, ophthalmology, Parkinson's disease, stroke, and Alzheimer's disease. We believe that our pipeline will be a source of sustained innovation to help drive long-term growth of the company. I will now pass the call to Jeff. Thanks, Al.
Good morning, everyone. We are pleased that Biogen had another strong quarter despite the COVID-19 challenges as we continue to execute well. We remain in a very strong financial position with significant cash and financial capacity. to continue to grow the business over the long term. I will now review our financial performance in the quarter and provide an update to our full year guidance. Total revenues for the second quarter grew 2% year over year to 3.7 billion. As a reminder, we believe that the Q1 2020 revenues included a benefit of approximately 100 million attributed to accelerated sales due to the COVID-19 pandemic, of which we believe 75 million approximately was utilized in the second quarter of this year. Overall, we executed well in our MS business, delivering revenues of $2.3 billion in the second quarter, including Okravis royalties of $208 million, declining 2% versus the prior year. Global MS revenues in the second quarter decreased 4% versus the prior year without Okravis royalties. Importantly, in the current COVID-19 environment, we believe our MS products are well positioned versus the competition based on treatment guidelines from the MS International Federation. U.S. MS revenues, excluding Okravis, were approximately flat versus the prior year. We were very encouraged to see growth in share of new prescriptions, improvements, discovery, and interference within the quarter, despite the recent increase in competition. Outside the U.S., our MS revenues were $615 million, a decline of 11% versus the prior year, due in part to a negative effect of foreign exchange rates of approximately $35 million. In addition, we believe that the first quarter 2020 MS revenues outside the U.S. included a benefit of approximately $59 million attributed to accelerated sales due to the COVID-19 pandemic, of which we believe approximately $37 million was utilized in the second quarter. Importantly, outside the U.S., we drove strong patient growth of 7% as our leading MS therapies continued to be very well received. Global second quarter Fumerit revenues, including both Tecfider and Vumerity, increased 3% versus the prior year, driven by revenue growth in the U.S. In the U.S., Fumerit revenue grew 6% versus the prior year. U.S. Fumerit revenues were impacted by an increase in channel inventory of approximately $15 million in the second quarter of 2020, compared to a decrease of approximately $15 million in the second quarter of last year. Second quarter Vumerity revenue was $9 million. and we now have access and reimbursement for the vast majority of commercial lives covered. Within the U.S., we were pleased to see strong execution with growth in our share of both new and total prescriptions for the fumarates versus the prior quarter. As Michelle mentioned, we are increasing our resource allocation for Vumerity, and it's important to note that COVID-19 is impacting overall new prescription volumes in the U.S., making new product launches more challenging, including for Vumerity. Outside the U.S., Tecfidera second quarter 2020 revenues declined by 4%, with demand growth offset by price and unfavorable foreign exchange rates. We believe that Q1 2020 Tecfidera revenues outside the U.S. included a benefit of approximately $28 million attributed to accelerated sales due to COVID-19 pandemic, of which we believe approximately $17 million was utilized in Q2 2020. Importantly, the number of Tecfidera patients outside the U.S. grew by approximately 12% versus the prior year, driven by approximately double-digit patient growth across Europe and approximately 38% patient growth in Latin America and Asia Pacific combined. Q2 global interferon revenues, including both Avonex and Plegrity, decreased 13% versus Q2 2019 due to continued shift from the injectable platforms to oral or high-efficacy therapies. In the U.S., interferon revenues decreased 9% versus the prior year, However, we were pleased to see growth in share of new prescriptions and stable share of total prescriptions in the second quarter, something we have not seen in some time, as we have continued to see increased interest in the interferons since the COVID-19 pandemic began. Outside the U.S., interferon revenues decreased by 22% versus the prior year. We believe that the first quarter 2020 interferon revenues outside the U.S. included a benefit of approximately $21 million attributed to accelerated sales due to the COVID-19 pandemic, of which we believe approximately $15 million was utilized in the second quarter of this year. Disavary worldwide revenues decreased by 9% versus the second quarter of 2019. In the U.S., disavary revenues decreased 8% versus the prior year, which we estimate is equally impacted by inventory dynamics and the impact of COVID-19, given delays in dosing at infusion sites. Within the U.S., we were pleased to see roughly stable adjusted volumes and share of new prescriptions versus the prior quarter. Outside the U.S., disavary revenues decreased by 11% versus the prior year, negatively impacted by approximately $12 million due to unfavorable foreign exchange rates as well as channel dynamics. In addition, we believe that Q1 2020 disavary revenues outside the U.S. included a benefit of approximately $7 million attributed to accelerated sales due to the COVID-19 pandemic, of which we believe approximately 5 million was utilized in the second quarter of 2020. Importantly, outside the U.S., we were pleased to see continued patient growth of 5% for Tysabri versus the prior year. We believe Tysabri is well positioned to play an increasingly important role in MS treatment with several important initiatives, including pursuing Tysabri subcutaneous administration, the potential for extended interval dosing, and an option for home infusion. Overall, we were pleased with the execution of our MS franchise and the continued strong performance of our MS business in the second quarter. We remain focused on maximizing the resilience of our market-leading franchise. Let me now move on to Spinraza. Global second quarter Spinraza revenues increased 1% versus the prior year to $495 million. In the U.S., revenues decreased 9% versus the second quarter of 2019 and decreased 11% versus the first quarter of 2020. The number of patients on therapy in the U.S. increased by 6% as compared to the prior year and decreased slightly versus the prior quarter, as we believe COVID-19 had an impact on new patient starts. Although the U.S. neurotic business was impacted by COVID-19 in the second quarter, we were pleased with our overall execution as we saw more centers come back online and most patients continued to receive their therapy, though with some dosing delays. We saw strong improvement in maintenance doses in June and exited the quarter with good momentum. Outside the U.S., Spinraza revenues increased 10% versus the second quarter of 2019, demonstrating strong performance despite the impact of COVID-19. Broad growth across all major regions of the world, with an increased number of countries contributing as we continue this very successful product launch. Importantly, we are encouraged that the recently published independent real-world data on the use of Spinraza in adults has helped us to secure broader reimbursement for older patients in certain European markets. Overall, we were pleased with Spinraza's performance in the second quarter, despite the challenges of COVID-19. Importantly, we now estimate that there are over 60,000 patients with SMA in global markets, and we expect to commercialize significantly higher than our previous estimate of 45,000. We see continued opportunities for growth for this well-established product given the efficacy of Spinraza, and the strength of our real-world evidence, coupled with a significant number of untreated patients across many established and emerging markets. Let me now move on to our biosimilars business, which generated $172 million this quarter, decreasing by 7%, partially due to market dynamics due to COVID-19. We believe that the first quarter 2020 biosimilar revenues included a benefit of approximately $15 million attributed to accelerated sales due to COVID-19 pandemic, of which we believe approximately 9 million was utilized in Q2 2020. Q2 biosimilars revenues were also negatively impacted by a relatively higher slowdown in new treatment for immunology patients as a result of COVID-19, impacting both the year-over-year and quarter-over-quarter comparisons. We estimate there are now approximately 215,000 patients using our biosimilars in Europe. Benapoly remained the number one prescribed embryo biosimilar across the major EU5 markets. Luxabri volumes grew 58% versus the prior year, and Emeraldi volumes grew 46% versus the prior year. Despite our borough's business being impacted by COVID-19 within the quarter, we have the opportunity to continue to grow both in Europe as well as potentially within the U.S. and other geographies with our additional assets. Total anti-CD20 revenues in the second quarter decreased by 17% versus the prior year, with increased Ocrevus royalties offset by decreased revenues from Rituxan due to COVID-19 dynamics and continued erosion from biosimilars. Total other revenues in the second quarter increased 155% versus the prior year, due primarily to approximately $330 million in revenues related to the license of certain manufacturing-related intellectual property to one of our corporate partners, which impacted contract manufacturing revenues. Note this was a previously anticipated transaction in 2020. Let me now turn to gross margins. Q2 2020 gross margin was 89%, an improvement versus the 87% in the prior year due to higher margin contract manufacturing revenue and improved versus the prior quarter. Q2 GAAP R&D expense was 18% of revenue and non-GAAP was 15% of revenue. In the second quarter, we recorded a GAAP expense of $208 million and non-GAAP R&D expense of $125 million, both related to our collaboration with Sangamo Therapeutics. Q2 GAAP and non-GAAP SG&A were both 15% of revenue. We still expect SG&A to increase in the second half of the year as we ramp up our commercial preparations for adecanumab. Q2 GAAP other income was $63 million, which included $103 million in unrealized gains on investments, principally driven by an increase in the fair value of equity investments in Ionis Pharmaceuticals and Sangamo. Q2 non-GAAP other expense was $30 million. In Q2 of this year, our effective gap tax rate was approximately 22%, an increase from approximately 14% in the second quarter of 2019. This is due to a non-recurring prior year income tax benefit on a change in our tax profile and a current year income tax expense related to a net valuation allowance. For the second quarter of 2020, our effective non-gap tax rate was approximately 19%, an increase from approximately 14% in the second quarter of 2019, primarily due to the non-recurring benefit of the prior year change in our tax profile. We repurchased approximately 9 million shares in the second quarter at an average price of $313, for a total value of approximately $2.8 billion. As of the end of the second quarter, approximately $1.3 billion was remaining under the share repurchase program authorized in December 2019. Which now brings us to our diluted earnings per share. In the second quarter, we booked GAAP EPS of $9.59, an increase of 22% versus the prior year, and non-GAAP earnings per share of $10.26, a 12% increase versus the prior year. We generated approximately $1.95 billion in net cash flows from operations in the second quarter. We ended the quarter with $5.3 billion in cash and marketable securities and $7 billion in debt. Let me now turn to our updated full-year guidance for 2020. Due to the many factors potentially impacting the intellectual property situation for TechVidera, our updated guidance does not include any operational impact from potential generic entry this year. With that assumption in mind, we expect revenues of approximately $13.8 to $14.2 billion. We anticipate GAAP RD expense to be approximately 16% to 17% of total revenues. We expect GAAP and non-GAAP SG&E expense to be approximately 17.5% to 18.5% of total revenues. We anticipate our GAAP tax rate to be approximately 18.5% to 19.5% and our non-GAAP tax rate to be approximately 18% to 19%. We anticipate full-year 2020 GAAP diluted earnings per share results of $32 to $34 and non-GAAP diluted earnings per share to be between $34 and $36.00. It's important to note that this guidance does not include any impact from potential acquisitions or large business development transactions, as both are very hard to predict. Our guidance assumes a stable share count off the second quarter of 2020 and no change to foreign exchange rates. Before I conclude, I would like to say that I have truly enjoyed working as a CFO at Biogen. I'm proud of what I have been able to contribute, and I believe Biogen is in a stronger position for long-term shareholder value creation with multiple opportunities ahead of it. I wish the best of luck to the entire Biogen team moving forward. I'll now turn the call back over to Michel for his closing comments.
Thank you so much, Jeff. Biogen continued to demonstrate strong execution this quarter. We again delivered solid financial results, made strong progress advancing our strategy of building a multi-franchise portfolio, and importantly, are one step closer to a potential approval for aducanumab as the first therapy to reduce clinical decline in Alzheimer's disease. I want to reiterate our commitment to maximizing returns on shareholders and bringing innovative therapies to patients now and over the long term. This requires that we continue to allocate capital efficiently, effectively, and appropriately. As we have demonstrated in the past, we will always strive to have an optimal capital structure as well as aim for superior returns from the investments we make. Finally, our organization takes very seriously the recent racial injustice events and the considerable health inequity that still exists, as highlighted by the COVID-19 crisis. Now, more than ever, we are focused on advancing our broader purpose as an organization, as we aim to pioneer science for the betterment of humanity. This includes doing the right thing for patients, our employees, the environment, and the community, all of which we believe contribute to long-term sustainable shoulder value. This also includes accelerating our efforts in diversity and inclusion across organization and area where BioChain was already taking a leading position from hiring to the way we conduct clinical trials and working to ensure that the most vulnerable have access to our therapies. I am proud of what BiGEN stands for, and I believe this approach positions us well to be a sustainable organization over the long term, as we remain focused on being the leader in neuroscience to address the tremendous societal needs in this space. Again, I would like to thank our employees around the world who are dedicated to making a positive impact on patients' lives, including ensuring access to our therapies during these challenging times. With that, we will open the call for questions.
As a reminder, we would appreciate it if you can limit yourself to one question as there are a number of analysts on the call. Thank you.
If you would like to ask a question, please press star then one on your telephone keypad. Our first question will come from the line of Corey Kazama with J.P. Morgan.
Hey, great. Good morning, guys. Thanks for taking the questions. Let me just say, Jeff, it's been great working with you while you've been at Biogen. So my question is for the recently announced phase three pre-symptomatic Alzheimer's study. Can you elaborate on the rationale for choosing band 24-1 over aducanumab? I guess, what about that app that made it more attractive to initially move into the setting? Is it the lack of required dose titrations or something else? Thanks a lot.
Corey, this is Al Sandrock. I actually heard every third word of your question, so I'm not sure, but I think you were asking about BAN2401 in preclinical Alzheimer's disease and perhaps comparisons to aducanumab. If that's true, then I would say that, yes, BAN2401 and aducanumab are very similar antibodies. They both prefer to bind to aggregated forms of A-beta, and they both show a robust effect on amyloid PET imaging, and also both have shown a reduction in clinical decline in Phase II or Phase I and Phase III trials. We're very excited that our partners at ACI are initiating this clinical study with the Alzheimer's Disease Clinical Trial Consortium. I believe that starting earlier is the best approach, it turns out, for all these neurological diseases. And so we look forward to seeing the results of that. Not sure I heard your question, but I hope I answered it.
So we did support the preclinical study with BAN24-1 while we focused on the filing for aducanumab. We will revert back on life cycle management opportunities during the entire continuum of the disease for patients once we have a readout and answer from the FDA on how we move forward.
Our next question comes from the line of Jeff Meacham with Bank of America.
Hey, guys. Thanks for the question. Jeff also wanted to say it's been great working with you. Another one on Educanumab, I know the next step is a decision from FDA, but when you look at Engage versus Emerge, I'm just wondering if you can go into any detail of the analysis over, say, the past six to nine months that you guys have done. have done with FDA, whether that could be, you know, published or, you know, or at a medical conference or anything that you can share with us in terms of, you know, what the developments have been over the past pretty much six, you know, since the beginning of this year. Thank you.
So, Jeff, just to make sure we got the gist of your question, you're asking more about the timing over the next few months.
No, no, just the quality of the analysis and the details of the data analysis for IGC-MF in support of the filing.
Well, I'm not sure I heard your question, Jeff, but I think, look, the filing is based on these three studies, eMERGE, ENGAGE, and PRIME. eMERGE is the first study to show and effect not only on the primary endpoint, but all three pre-specified secondary endpoints. We believe that data from ENGAGE, that portions of the data from ENGAGE, a negative study, that portions of it do support the analysis that we did with eMERGE. And also PRIME, which was published, shows even though the clinical endpoints were exploratory endpoints, on the highest dose, there was an effect on MMSE as well as CBR, some of the boxes. And again, very similar that the lower doses did not show much of an effect. So consistent with the findings from ENGAGE and eMERGE, you really need to get to the higher dose, and I think our data are all consistent with that.
Okay. Thanks, Al.
Our next question comes from the line of Uma Rifat with Evercore.
Hi guys, thanks for taking my question. I guess if I may focus on Tecfidera Vumerity for a second. Michelle, you mentioned you're working on two life cycle management programs for Plegrity and Tysabri, but I feel like the most important life cycle management program that's been on the market for months but has been a complete laggard has been Vumerity. And my question is, why is that? And why is almost every single precedent on life cycle management capturing well above 25% share and up to 80%. I would just love to hear your take on commercial perspective on what happened on this.
Yeah, thank you for the question. And I share the disappointment for the performance to date on Vumerity. And we can anticipate that, based on the patent life that we have, we are working on lifecycle management opportunities for the long run. We did launch Vumerity in December. And we had encouraging start forms. And then COVID came. And this impacted significantly the patients' new starts and the switches. So we did not anticipate when we launch in December that three months down the road there will be COVID. And at that time, you will remember, because you asked a few times the question, the strategy was not a switch strategy. It was a Fumarate strategy to enhance the share of the Fumarate And the results are not bad, but this is not an excuse for the lack of performance to date of Vumerity for which the U.S. organization is all over it. So what it shows is that it's difficult, it's challenging to launch when there is a shutdown. It is challenging to change your behavior when you cannot meet the prescriber. Having said that, Now the entire focus is pivoting on Vumerity. And this is the good time because we have very good access, close to 90%. We increased significantly the resource allocation. This is a next generation Fumerate with good data. Fumerity is differentiated, as you know, in terms of GI tolerability. It doesn't mean that all the patients on Tecfidera could benefit from Vumerity because those who are stable should stay on Tecfidera, but there is a significantly enhanced focus of the organization on one brand, Vumerity, the new generation Fumerate, and the next month should speak. So we don't give up, and you should not.
Our next question comes from the line of Mark Goodman with SCB Learing.
Yes, good morning. Jeff, I was wondering if you could talk about the SG&A guidance. It looks like $300 million less than it was before. There's been no change in the ramp-up in your spend commitment for ADDU in the second half of the year. So where are the cuts coming from?
Thanks, Mark. In this pandemic, we've found that obviously there's much less travel going on, much less conferences, meetings, and other discretionary spend. And so the vast majority of that difference in guidance is due to the fact that we have significant savings in the second quarter, and we anticipate that those savings will continue in the back half of the year.
Our next question comes from the line of Jay Olson with Oppenheimer.
Oh, hi. Thanks for taking the question. Since you submitted the aducatamab BLA in a modular fashion, can you comment on whether the FDA began a rolling review of those modules or if they waited until the entire BLA submission was completed before initiating the review? Thank you.
Well, I don't want to comment on FDA's internal processes. It's true that we did submit modules as they became available to submit, and so they've had some modules for some months now. But whether or not they reviewed them, I don't, you know, that's in FDA internal processes, and I can't comment on it.
Thank you. Your next question comes from the line of Michael Yee with Jefferies.
Hey, good morning and thanks, and congrats on the progress, particularly Al with the filing. I know that was unprecedented. Maybe, Al, can you just comment on a simple question about how you think about priority review and whether or not there is any reason it would not be and whether or not you guys logically used a voucher? And then you made a nice comment about Europe, how you're preparing there to file. So is that actually you've had a discussion with them and you've gotten sort of a similar agreement? Just comment there on Europe. Thank you so much. Sure.
Speakers, you may be on mute.
I'm not on mute.
Our next question will come from the line of Terran Flynn with Goldman Sachs.
Terran Flynn Great. Thanks for taking the question. Maybe a two-part for me. I was just wondering, Jeff, if you can comment on what drove the change to the revenue guidance, anything more specifically, and are you assuming Spinraza is going to grow in the back half of the year? And then I was wondering more broadly, maybe a question for Al, if you can confirm that Acuvia was the CRO for the ADU Phase III trials. I'm just wondering how involved the company was in the filing process and if they were party to the discussions with the FDA. Thank you.
Hi, this is Al Sandrock. I'm not sure Michael heard my answer previously, so I'm going to repeat it. On the priority review question, we do have a voucher. We received one when we got Nusin Ersin approved, but we haven't commented on how we're going to use it and when we're going to use it. We do expect to hear about whether or not we have priority review. At the time, the FDA notifies us of the acceptance of the filing, and so we'll leave it at that. In terms of the ex-U.S. regulators, I think that was the second part of your question. We have engaged formally with the EMA, and we're in the process of preparing a filing for the European submission. And we have had also informal interactions with the Japanese regulators, and we're preparing that filing as well.
So maybe moving to Terrence's question on kind of what drove the difference in guidance, I'd point you back to the first quarter where we left guidance the way it was before, even in light of the COVID pandemic and with the view that we wanted to see how things played out. Now, as we sit here at the end of July, we've got a better sense of what the impact was on the second quarter, and it was both the unwind of the activity from the first quarter, which we described, plus some headwinds in some businesses still, like Spinraza and Tasabri. We expect some of those headwinds to continue into the back half of the year. So the vast majority of the difference in guidance is due to kind of continued COVID impact, which was difficult to predict when we did the guidance. But I would also point out that we did see a significant strengthening of the business through the months of the second quarter, particularly if you look at U.S. SMA business, where April was a very challenging month, and then we saw strengthening in May and then significant strengthening in June. So another comment would be we went with a fairly wide range because we're still kind of assessing how quickly it comes back. So big difference is the COVID impact for the full year that pulls guidance down, but we did see a strengthening in Spinraza, which was encouraging. So we'll have to see how all that plays out.
And then I think there was a question on IQVIA. Yes, IQVIA was the CRO that helped us conduct the phase three trials of aducanumab. However, they were not involved in any of the regulatory interactions that we've had with FDA.
Our next question will come from the line of Matthew Harrison with Morgan Stanley.
Great. Good morning. Thanks for taking that question. One, Al, could you just clarify on the comment you just made around priority review voucher. It sounds like you're not willing to say whether or not you used it to file for ADJU. And then, secondly, can you just comment on anti-lingo? What will you view as a positive result from that study, or what do you need to see to move that into Phase III? Thanks.
Hi, Matthew. Yeah, so in terms of the priority, that's right. We're not willing to comment on whether or not we've used our priority voucher. And in terms of anti-lingo, the primary endpoint is the overall response score, which is a four-component score, looking at walking, EDSS, and nine-hole PEG tests in the dominant arm, and nine-hole PEG tests in the non-dominant arm. So four components. And we're looking at whether or not patients overall improve, because, as you know, MS affects different parts of the central nervous system. and at times you can have improvement in one area and worsening in another. So we wanted to know whether or not overall the patients improved. In addition to that, of course, we're going to be looking at imaging measures related to myelination. So, for example, magnetization transfer ratio, MTR, is a good measure of myelination, and we'll be looking at that. So in addition to the clinical, we'll be looking to see if we have biological measurements that are consistent with myelination.
Your next question comes from the line of Ronnie Gao with Bernstein.
Good morning, everybody. Congratulations on the nice result, and thank you for taking the question. You have presented before the submission various cut off the patients, and you discussed with us the idea that you've done the same and even more than that with the FDA. I was wondering if you can share with us what is the primary patient cut used for the reviews, the total set of patients, all those who received certain number of high doses versus placebo. And do they think you can answer that? I was wondering if you can share anything instead. If you're using propane rebate differences to drive the adoption of Lumerity going forward, or is it just a difference in the educational focus of the organization?
So, Ronnie, I'll take the first part. So, we submitted all the data from those three studies that I mentioned, eMERGE, ENGAGE, and PRIME. And what the FDA chooses to look at is, you know, that's their purview. I will say that in terms of the negative study in Gage, we have analyses that show that those who receive the highest dose over a sustained period of time do show evidence of efficacy similar to what we found in eMERGE. And so that's the data we presented to CTAD and ADPD. And that's why we believe there's supportive evidence coming from Engage.
So concerning the second part of the question, Ronnie, on vumerity, since the focus now is on vumerity, not on the fumarates, I can tell you that all levels are aligned. At the payer level, at the patient services level, at the sales force level, including incentive schemes to shape the behavior, at the medical affairs level. So the organization is absolutely aligned and focused on all those levels. Next five months will be critical.
Thank you. Your next question comes from the line of Bill Nadeau with Cowan & Company.
Good morning. Thanks for taking my question. Jeff, let me add my well wishes as you move on to your next opportunity. Thanks for the help over the years. Question for you, Al. In the prepared remarks, you suggested that the FDA in the pre-BLA meeting noted that the submission of aducanumab based on the three studies is reasonable. I'm curious whether you can provide any more detail on the pre-BLA meeting. What topics were discussed? What feedback did you receive? And maybe in particular, did the FDA indicate whether an advisory committee would be likely? Thanks.
Hi, Phil. Yeah, so, you know, it's our policy not to talk about the content of our regulatory interactions, so I'm not prepared to go any further than what I said in my prepared remarks. In terms of the advisory committee, it would not be unusual for the first disease-modifying therapy of this type to be reviewed at an advisory committee, so we are starting to prepare for one. Whether or not we have one and when it will be will be up to the FDA, and we expect to hear that at around the time that we are notified of whether or not the file has been accepted. Great. Thank you.
Your next question comes from the line of Tim Anderson with Wolf Research.
Thank you. I have a question on adecanamide. on Tau as a biomarker, which in Alzheimer's has really risen in prominence over the last few years, either measured as PET or serum or CSF. The amount of Tau biomarker data you collected in Engage and Emerge was quite low in the context of the size of those two trials, and I'm wondering what FDA's feedback has been to you on this. in terms of potentially wanting more Tau biomarker data. My understanding is that the new EMBARQ study, you are capturing Tau on everyone. I think that includes Tau imaging. So any commentary on that would be helpful. And then you guys have been willing to disclose you've asked for prior review. What I haven't heard you talk about is whether you've requested breakthrough therapy designation, which is arguably a better litmus test for how FDA views the data you have.
So, Tim, you're right that tau has risen in prominence as an important biomarker and perhaps drug target in Alzheimer's disease, and that's because if you look at what correlates best with clinical progression, tau accumulation seems to do so. However, our belief is that there's an interaction between amyloid beta and tau, and it's possible that tau could be triggered in tau misfolding and spreading could be triggered by a number of factors, trauma for one, but it could be that amyloid beta also does. And our data would be consistent with that in the sense that when we lowered, we use aducanumab, which is specific for amyloid beta, and we see downstream effects on tau, both by imaging and by CSF. And the reason why it's not that many patients is that, first of all, it's hard to convince patients to undergo lumbar puncture twice. and also we were introducing a new tau PET imaging ligand, and we're already imaging patients for amyloid, so having to do two PET scans, two different types of PET scans, is a lot to ask for patients. But we do think we have adequate data to show a convincing effect on tau, not only in the CSF, but also by imaging. And I've now forgotten the second part of your question. Thank you. Oh, breakthrough. Yeah, well, we do have fast-track status, and we expect to hear about a priority review. And, you know, with the fast-track status, we have the opportunity to engage with FDA, and I'll say that we very much appreciate the level of engagement we've had essentially since last June, where we've had a number of constructive collaborative interactions with FDA. Thank you.
Your next question comes from the line of Brian Abrams with RBC Capital Markets.
Hi there. Thanks so much for taking my question. Question on Spinraza and SMA dynamics. What will you guys be looking for out of the new study in combination with gene therapy? Is there any sort of bar from a reimbursement perspective that one might expect for combo use? And then can you comment on any additional commercial prep or evolution in strategy ahead of potential entry of an oral? Thanks.
Well, the reason for doing – I'll take the first part, Brian. The reason for doing the study is mainly because, A, clinicians are already doing it, but there's no data from the study on whether or not it's helpful to patients. In fact, the European Journal of Pediatric Neurologists just published a consensus statement of European experts in SMA, and they point out that there's a real lack of data on the use of this combination therapy, and they called for more studies on it. And so we're happy to be doing one. And the key question is, do you see improvement beyond what you see with just one therapy alone when you add Spinraza to Zolgensma or Zolgensma to Spinraza? And so it's really looking at motor milestones whether you maintain them better, whether you gain more motor milestones. So it's really mostly about efficacy.
And I think that it's very good to help clinicians prioritize, you know, which therapeutic option to use based on research and not based on speculation or claims. If you look at the competitive landscape for RISD plan, it's still hard to speculate because there is no label yet. Firefish was pretty consistent. Sunfish was underwhelming in terms of achieving, you know, the objectives. When I speak to scientific leaders, their position is we need to wait for the long-term safety and efficacy profile of the product. And for the gene therapy, I think we have a profile that starts to be well characterized. And if I refer back to the latest consensus published in the European Journal of Pediatric Neurology there is still uncertainty for the older population, the heavier the infant is, and they see a link with the potential risk to the weight. So the scientific leaders basically encourage at looking at all the options. For Biogen, we stand behind the efficacy and safety of Spinraza in all age groups, and we have a larger body of evidence. The product is approved now in 50 countries. So we believe that Spinraza will continue to be really a very good treatment and alternative in this context where there is a bit more treatment in this market, which is good for the patients. So we are working to enhance the efficacy by increasing the dose. I'm not sure others can do that. And last but not least, there is a response study after gene therapy. So I think it's good in order to best educate the market. So we are confident.
Thanks, Michel.
Thanks, Al. We have time for about two more questions.
Your next question will come from the line of Evan Fiegerman with Credit Suisse.
Hi, all. Thank you very much for taking my question, and congrats on the progress. So in the press release last night for Mike's appointment, it was clear that you emphasized his expertise in, quote, value-creating strategic financial considerations Should we read this as an evolution to more or larger transformative business development? As under Jeff's leadership, there was only really one major deal, which was the Nightstar acquisition.
Well, together with Jeff, we delivered on 18 deals. And remember, we believe we have an inequity in the space where we are specialized. So the sweet spot is early stage. This is where we can add most value. And I am delighted to see this portfolio maturing extremely well with very important readouts in the coming 12 months and beyond that will start to impact the market 2024-2025. And in between now and this 2024-2025, there is one big hope, which is aducanumab. So I can tell you that we continue to be very active on the BD M&A front, but at the same time, We are very careful while we approach aducanumab potentially, and we will always invest in the interest of the long-term shareholder value creation.
Great. Thank you.
Our final question will come from the line of Robin Karnowskis with SunTrust Robinson Humphrey. Great.
Thanks for taking my question, and thanks, Evan, for the segue. So I wanted to ask about the Phase III STAR trial for choroidemia. You've got data coming up. You'll be first. Walk us through what the bar is, and then what would be the best-case scenario to secure the best reimbursement for the drug, and then what would be the next step to be able to treat even younger patients with the disease, as many people get it when they're very, very young? Thank you.
Hi, Robin. This is Al. Yeah, so the BIB111, which is our gene therapy for choroideremia, the Phase III trial is about 160 patients. And the primary endpoint or the bar, as you point out, is the proportion of patients who have a greater than 15-letter increase from baseline and the best corrective visual acuity. That's the FDA standard. It's a two-arm trial, placebo And so we just need to have a better improvement in visual acuity in the treated patients versus the non-treated patients. This trial was initiated in December of 2017. We announced our last patient in November of 2019, and so we do expect a readout in the first quarter of next year. And the phase three trial is on the heels of a phase one trial, which was a single-arm study, and it compared the proportion of patients who had an improvement in best-corrected visual acuity relative to a natural history study, and the drug did show some very encouraging results on that endpoint. So we're just basically using the same endpoint for Phase III and trying to hit the standard set by the FDA.
Thank you. I'd like to hand it over to Michel just for some closing comments, please.
Thank you so much, Joe, and thank you for attending. I want to thank Jeff again for his many contributions to our company. At Biogen, it's all about pioneering in neuroscience. So we are approaching a very exciting phase of our 40 years plus of development. Our pipeline and all the many allocation of capital in that space is maturing. We have very important readouts in the coming 10 months. We have seven phase three And we are very close to open a new page, if he allows, with aducanumab. Thank you all for your attention.
Ladies and gentlemen, that will conclude today's call. Thank you all for joining, and you may now disconnect.