Biohaven and Pfizer Enter Strategic Collaboration for the Commercialization of Rimegepant Outside the United States

On November 9, 2021 Biohaven Pharmaceutical Holding Company Ltd. (NYSE: BHVN) and Pfizer Inc. (NYSE: PFE), reported a strategic commercialization arrangement for rimegepant in markets outside of the United States upon approval (Press release, Biohaven Pharmaceutical, NOV 9, 2021, View Source [SID1234595037]). Rimegepant is commercialized as Nurtec ODT in the U.S., and is indicated for the acute treatment of migraine attacks with or without aura and the preventive treatment of episodic migraine in adults. An application for the approval of rimegepant is currently under review by the European Medicines Agency and several additional regulatory authorities outside of the U.S.

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"We believe this collaboration, which brings together the winning combination of Biohaven’s Neuroscience R&D with Pfizer’s industry-leading expertise and large global footprint will help accelerate access to rimegepant for patients around the world," said Vlad Coric MD, Chief Executive Officer of Biohaven. "With this alliance, Biohaven Pharmaceutical and Pfizer believe there is an opportunity to change the paradigm in migraine treatment and potentially establish a new standard of care."

Under the terms of the arrangement, Biohaven would remain primarily responsible for further clinical development of rimegepant and the parties will cooperate in regulatory activities to secure approval for the product. Biohaven will continue to solely commercialize Nurtec ODT in the U.S and Pfizer would commercialize rimegepant, upon approval, in all regions outside the U.S. Additionally, per the arrangement, Pfizer gains rights outside of the U.S. to zavegepant, a third generation, high affinity, selective and structurally unique, small molecule CGRP receptor antagonist, currently being studied in an intranasal delivery and a soft-gel formulation in Phase 3 clinical trials for migraine indications.
"We are excited to join forces with Biohaven in the fight against migraine and help those patients impacted by this debilitating neurological disease," said Nick Lagunowich, Global President, Pfizer Internal Medicine. "We believe our legacy in pain and Women’s Health combined with our experienced customer-facing colleagues, will enable us to maximize this opportunity with Biohaven, potentially bringing a valuable new treatment option to patients living with migraine pain."

Terms of the Arrangement
Biohaven and Pfizer are entering into a collaboration and license agreement and related sublicense agreement pursuant to which Pfizer will acquire rights to commercialize rimegepant and zavegepant outside of the U.S. Biohaven will continue to lead research and development globally and Pfizer would execute commercialization globally, outside of the U.S. Under the financial terms of all transaction agreements, Pfizer will make an upfront payment of $500 million, consisting of $150 million cash and $350 million in the purchase of Biohaven equity at a 25 percent market premium. Biohaven is also eligible to receive up to $740 million in milestones. In addition to the tiered double-digit royalties owed to Biohaven on net sales outside of the U.S., Pfizer will compensate Biohaven for the related royalties on net sales outside of the U.S. owed under the Company’s license and funding agreements with Bristol-Myers Squibb Company and Royalty Pharma.

As noted above, in connection with the transaction, Pfizer will make a $350 million investment in the common shares of Biohaven.
Closing of the license agreements and equity purchase are contingent on completion of review under applicable antitrust laws, including the Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976 in the U.S. and equivalents outside the U.S., and other customary closing conditions.
Biohaven and Pfizer global collaboration will be discussed on Biohaven 3Q Earnings Investor Call 8:00AM ET on November 9, 2021. To access the call, please dial 877-407-9120 (domestic) or 412-902-1009 (international). The conference call webcast and accompanying slide presentation can be accessed through the "Investors" section of Biohaven’s website at www.biohavenpharma.com.

About Migraine
More than one billion people suffer from migraine worldwide, of which 75 percent are women. The World Health Organization classifies migraine as one of the 10 most disabling medical illnesses. Migraine is characterized by debilitating headache attacks lasting four to 72 hours with multiple symptoms, including pulsating headaches of moderate to severe pain intensity that can be associated with nausea or vomiting, and/or sensitivity to sound (phonophobia) and sensitivity to light (photophobia). There is a large unmet need for new acute and preventive treatments, as a significant portion of migraine patients are unsatisfied with current standard of care migraine treatments due to a lack of efficacy or safety or tolerability burden.

About Rimegepant
Rimegepant targets a root cause of migraine by reversibly blocking CGRP receptors, thereby inhibiting the biologic cascade that results in a migraine attack. Rimegepant was approved by the U.S. Food and Drug Administration (FDA) under the trade name Nurtec ODT for the acute treatment of migraine in February 2020 and for the preventive treatment of episodic migraine in May 2021. Nurtec ODT is the #1 prescribed migraine treatment in its class with a cumulative launch to date of U.S. net revenue of approximately $336 million and with more than one million prescriptions. A single dose of 75 mg Nurtec ODT provides fast pain relief, significant pain reduction and return to normal function, and has a lasting effect of up to 48 hours in some patients. Nurtec ODT is taken orally as needed, up to 18 doses/month to stop migraine attacks or taken every other day to help prevent migraine attacks and reduce the number of monthly migraine days. Nurtec ODT does not have addiction potential and is not associated with medication overuse headache or rebound headache.

NURTEC ODT U.S. IMPORTANT SAFETY INFORMATION
Nurtec ODT (orally disintegrating tablet) is a prescription medicine that is used to treat migraine in adults. It is for the acute treatment of migraine attacks with or without aura and the preventive treatment of episodic migraine. It is not known if Nurtec ODT is safe and effective in children.
Do not take Nurtec ODT if you are allergic to Nurtec ODT (rimegepant) or any of its ingredients.
Before you take Nurtec ODT, tell your healthcare provider (HCP) about all your medical conditions,
including if you:

•have liver problems,
•have kidney problems,
•are pregnant or plan to become pregnant,
•breastfeeding or plan to breastfeed.

Tell your HCP about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Nurtec ODT may cause serious side effects including allergic reactions, including trouble breathing and rash. This can happen days after you take Nurtec ODT. Call your HCP or get emergency help right away if you have swelling of the face, mouth, tongue, or throat or trouble breathing. This occurred in less than 1% of patients treated with Nurtec ODT.
The most common side effects of Nurtec ODT were nausea (2.7%) and stomach pain/indigestion (2.4%). These are not the only possible side effects of Nurtec ODT. Tell your HCP if you have any side effects.

Pliant Therapeutics Provides Corporate Update and Reports Third Quarter 2021 Financial Results

On November 9, 2021 Pliant Therapeutics, Inc. (Nasdaq: PLRX) ("the Company"), a clinical stage biotechnology company focused on discovering and developing novel therapeutics for the treatment of fibrosis, reported third quarter 2021 financial results (Press release, Pliant Therapeutics, NOV 9, 2021, View Source [SID1234595036]).

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"The third quarter was productive for the company, highlighted by the interim data readout from our PET trial which exceeded our expectations, showing a dose response and achieving near target saturation of PLN-74809 at the higher doses," said Bernard Coulie, M.D., Ph.D., President and Chief Executive Officer of Pliant Therapeutics. "In addition to the positive data readout, our Phase 2a INTEGRIS-IPF and INTEGRIS-PSC programs are making great progress in enrollment, and, with the additional Phase 1b BAL doses, we continue to methodically de-risk the current and future clinical development of PLN-74809."

Third Quarter and Recent Highlights

Positive interim results from Phase 2a PET imaging clinical trial show αvβ6 target engagement up to 98% in the lungs of patients with idiopathic pulmonary fibrosis (IPF). The ongoing Phase 2a open-label PET imaging clinical trial is evaluating αvβ6 target engagement levels achieved by PLN-74809 across single-doses of 60, 120, 240 or 320 mg in up to 12 IPF patients. Interim results showed a dose response and a greater than 50% target engagement across all doses and established a model of the dose and plasma concentration response. Furthermore, these data support potential anti-fibrotic activity of PLN-74809 at the doses being evaluated in the ongoing Phase 2a INTEGRIS-IPF trial.

PLN-74809 Phase 2a trial in idiopathic pulmonary fibrosis (IPF) enrollment on track with topline data anticipated by mid-2022. INTEGRIS-IPF is a 12-week randomized, dose-ranging, double-blind, placebo-controlled trial evaluating the safety, tolerability and pharmacokinetics of PLN-74809 at doses of 40, 80 or 160 mg in IPF patients. Exploratory endpoints include quantitative lung fibrosis (QLF) imaging, pulmonary function tests as well as biomarkers. Enrollment is currently on track to be completed by the end of 2021 with topline data anticipated by mid-2022.

Data anticipated in the first quarter of 2022 from additional doses in the PLN-74809 Phase 1b proof-of-mechanism study evaluating inhibition of TGF-β signaling in the lungs of healthy volunteers. In a previously reported Phase 1b proof-of-mechanism study, 40 mg once-daily dosing of PLN-74809 inhibited activation of TGF-β, a key driver of fibrosis. Based on additional safety and pharmacokinetic data from the Phase 1a study, Pliant initiated an extension of the Phase 1b study. This study extension evaluates inhibition of TGF-b signaling at doses above 40 mg of PLN-74809. These data, coupled with the recently reported positive interim Phase 2a PET target engagement data, will provide important information about the relationship between PLN-74809 plasma exposure, target engagement, TGF-β signaling inhibition and potential antifibrotic activity across the dose range currently being tested in the INTEGRIS-IPF trial. Data from this Phase 1b study is anticipated in the first quarter of 2022.

PLN-74809 Phase 2a trial in primary sclerosing cholangitis (PSC) enrollment on track. INTEGRIS-PSC is a 12-week randomized, dose-ranging, double-blind, placebo-controlled trial evaluating the safety, tolerability, and pharmacokinetics PLN-74809 at doses of 40, 80 or 160 mg in PSC patients. Exploratory endpoints include fibrosis

biomarkers such as Pro-C3 and ELF, changes in ALP and liver imaging. Enrollment is currently anticipated to be completed by mid-2022.

Muscular Dystrophy and Oncology programs advancing towards IND. Early-stage integrin targeting programs focused on developing novel therapies in oncology and muscular dystrophies continue to advance towards IND. The muscular dystrophy program utilizes an antibody to improve muscle function through activation of an integrin compensatory mechanism. The oncology program focuses on increasing tumor sensitivity to checkpoint inhibitors through small molecule inhibition of αvβ8.

COVID-19 Preparedness
The Company continues to develop and maintain policies and procedures to enable us to operate safely and productively during the COVID-19 pandemic. The Company has experienced delays in clinical trial operations which have impacted and may further impact the expected timing of data readouts. The Company continues to work closely with clinical sites to continue site initiation and operation activities in compliance with study protocols while observing government and institutional guidelines.

Third Quarter 2021 Financial Results
•Research and development expenses were $21.1 million, as compared to $16.9 million for the prior-year quarter. The increase was due primarily to employee related expenses and higher costs related to the advancement of several programs and ongoing Phase 1/2 clinical trials.
•General and administrative expenses were $7.7 million, as compared to $4.6 million for the prior-year quarter. The increase was due to higher personnel-related and professional services expenses.
•Net loss of $27.0 million as compared to $16.5 million for the prior-year quarter due an overall increase in expense associated with our research and development programs as well as personnel-related costs.
•As of September 30, 2021, the Company had cash, cash equivalents and short-term investments of $221.0 million. The Company believes it has sufficient funds to meet its operating and capital requirements into 2023.

Ligand Pursuing Plans for OmniAb to Become a Standalone Public Company

On November 9, 2021 Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) reported it is pursuing plans to split Ligand into two separate, publicly traded companies with one featuring the OmniAb business, and the other featuring Ligand’s existing collection of core royalties and the technologies, pipeline and contracts associated with the Pelican protein expression platform and the Captisol business (Press release, Ligand, NOV 9, 2021, View Source [SID1234595035]). The spin-off is intended to create two companies with dedicated operational focus, business-specific capital allocation, agility to meet partner needs, and compelling focused investment profiles.

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"Our OmniAb business continues to have an outstanding year with the first regulatory approval for an OmniAb-derived antibody received during the third quarter and a second approval anticipated by year-end," said John Higgins, CEO of Ligand. "We believe more than ever that OmniAb offers one of the industry’s leading antibody discovery platforms and that the business is primed for success for years to come. After significant planning and analysis, we have concluded we are operating two distinct, high-growth companies within Ligand. Along with outside advisors we have determined the time is right to pursue a strategic plan to create two independent companies and accelerate investment into the OmniAb platform and technologies to further drive value."

Based on initial management and advisor review, an IPO and eventual distribution of OmniAb shares to Ligand shareholders is the leading option under consideration at this time. The IPO would be of newly issued shares of OmniAb, Inc., which would include the Ab Initio computational antigen design technology, Icagen’s ion channel technology, the xPloration high-throughput screening technology, and the suite of OmniAb transgenic animals used for antibody discovery. In an IPO, Ligand expects OmniAb to issue less than 20% of its common stock, with Ligand retaining the remaining interest, which would eventually be distributed to Ligand stockholders in a manner generally intended to qualify as a tax-free transaction. Ligand’s OmniAb strategic review is in response to the ongoing success of OmniAb, as well as the opportunity to unlock the value of this business. Ligand’s Board of Directors has not approved a specific course of action, and Ligand will continue to evaluate other options to optimize value and ensure flexibility to invest in growth. There can be no assurance that this process will result in Ligand pursuing a particular transaction or consummating any such transaction.

This press release does not constitute an offer to sell or the solicitation of an offer to buy securities, and shall not constitute an offer, solicitation, or sale in any jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of that jurisdiction.

The latest corporate presentation can be accessed at investor.ligand.com.

Conference Call

Ligand management will host a conference call today beginning at 4:30 p.m. Eastern time (1:30 p.m. Pacific time) to discuss third quarter financial results as well as this announcement, and to answer questions. To participate via telephone, please dial (833) 540-1167 from the U.S. or (929) 517-0358 from outside the U.S., using the conference ID 5486177. To participate via live or replay webcast, a link is available at www.ligand.com.

About OmniAb

The OmniAb discovery platform provides Ligand’s pharmaceutical industry partners access to the diverse antibody repertoires and high-throughput screening technologies to enable discovery of next-generation therapeutics. At the heart of the OmniAb platform is the Biological Intelligence of our proprietary transgenic animals, including OmniRat, OmniChicken and OmniMouse that have been genetically modified to generate antibodies with human sequences to facilitate development of human therapeutic candidates. OmniFlic (transgenic rat) and OmniClic (transgenic chicken) address industry needs for bispecific antibody applications though a common light chain approach, and OmniTaur features unique structural attributes of cow antibodies for complex targets. OmniAb animals comprise the most diverse host systems available in the industry and they are optimally leveraged through computational antigen design and immunization methods, paired with high-throughput microfluidic-based single B cell screening and deep computational analysis of next-generation sequencing datasets to identify fully human antibodies with superior performance and developability characteristics. An established core competency focused on ion channels and transporters further differentiates our technology and creates opportunities to further leverage across modalities, including antibody-drug conjugates and others. The OmniAb suite of technologies and differentiating computational capabilities and BI features are combined to offer a highly efficient and customizable end-to-end solution for the growing discovery needs of the global pharmaceutical industry.

Acorda Therapeutics Announces Agreement to Commercialize INBRIJA® in Germany

On November 9, 2021 Acorda Therapeutics, Inc. (Nasdaq: ACOR) reported that it has entered into distribution and supply agreements with Esteve Pharmaceuticals GmbH (ESTEVE) to commercialize INBRIJA 33 mg (levodopa inhalation powder, hard capsules) in Germany (Press release, Acorda Therapeutics, NOV 9, 2021, View Source [SID1234595034]). INBRIJA is indicated in the EU for the intermittent treatment of episodic motor fluctuations (OFF episodes) in adult patients with Parkinson’s disease treated with a levodopa/dopa-decarboxylase inhibitor. (1) Acorda had previously announced an agreement with ESTEVE to commercialize INBRIJA in Spain.

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"We are delighted to announce this second commercialization agreement with ESTEVE, which will make INBRIJA available to the many people with Parkinson’s in Germany who would benefit from an "as needed" treatment for their OFF periods," said Ron Cohen, M.D., President and CEO of Acorda Therapeutics. "ESTEVE has an impressive track record of successfully commercializing pharmaceuticals in Europe for neurological and other indications. We continue to be in active discussions with additional companies for the rights to distribute INBRIJA in other countries in Europe and the rest of the world."

Under the terms of the distribution agreement, ACORDA will receive a €5 million upfront payment, and will receive additional sales-based milestones. ACORDA will also receive a significant double-digit percent of the selling price of INBRIJA in Germany in exchange for supply of the product. ESTEVE will have the exclusive distribution rights to INBRIJA in Germany and ACORDA will supply the product to ESTEVE. ESTEVE expects to launch INBRIJA in Germany by mid-2022.

According to current population estimates, there are up to 400,000 people living with Parkinson’s disease in Germany, and there are 20 new cases per 10,000 people per year. (2)

ALX Oncology Announces Updated Data from Ongoing Clinical Trial (ASPEN-01) of Evorpacept Showing Emerging Clinical Benefit in Survival-Based Endpoints in Patients with Advanced Solid Tumors

On November 9, 2021 ALX Oncology Holdings Inc., ("ALX Oncology") (Nasdaq: ALXO), a clinical-stage immuno-oncology company developing therapies to block the CD47 checkpoint mechanism, reported updated results from ASPEN-01, an ongoing evorpacept phase 1b study, evaluating patients with solid tumor malignancies at the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper)’s ("SITC") 36th Anniversary Annual Meeting [abstract 498] (Press release, ALX Oncology, NOV 9, 2021, View Source [SID1234594998]).

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ALX Oncology reports updated results from both cohorts: the gastric/gastroesophageal junction cancer ("GC") patient cohort receiving evorpacept plus trastuzumab plus chemotherapy, and from the head and neck squamous cell carcinoma ("HNSCC") patient cohort receiving evorpacept plus pembrolizumab with and without chemotherapy. All data reflect response evaluable patients as of September 1, 2021. The SITC (Free SITC Whitepaper) 36th Anniversary Annual Meeting poster is available to download under "Publications" in the Science section of the ALX Oncology website at www.alxoncology.com.

In patients with >2L HER2 positive GC (n=18), evorpacept in combination with trastuzumab plus ramucirumab and paclitaxel demonstrated an initial objective response rate ("ORR") of 72.2% with a median duration of response ("mDOR") of 14.8 months, a 12-month overall survival ("OS") rate of 79%, and a median overall survival ("mOS") of 17.1 months. These results compare favorably with the clinical experience of both ramucirumab + paclitaxel and trastuzumab-deruxtecan in similar populations.

In patients with 1L HNSCC who have not received prior treatment for their advanced disease (n=13), evorpacept demonstrates an initial ORR of 38.5% with a 12-month OS rate of 87.5% and mOS not reached in combination with pembrolizumab + 5FU + platinum. These results compare favorably with benchmark survival data from standard pembrolizumab + chemotherapy in the 1L HNSCC setting where ORR is a less reliable predictor for clinical benefit compared to longer-term metrics such as 12-month OS rate and mOS (the gold standard of clinical benefit) in patients with aggressive disease.
In patients with ≥2L HNSCC who have not received a prior checkpoint inhibitor ("CPI") (n=10), long-term follow-up data shows that evorpacept + pembrolizumab demonstrates a 12-month OS rate of 80% with a mOS of 24.5 months, which compares favorably with standard pembrolizumab therapy in patients with 2L CPI naïve HNSCC.

Preliminary data suggest that evorpacept is well tolerated when combined with the multi-agent chemotherapy regimens studied with no maximum tolerated dose reached.
"These updated data provide growing support that evorpacept in combination with the standard regimens studied may translate into a meaningful survival benefit in patients with advanced HNSCC and GC who historically have poor outcomes," said Keun-Wook Lee, M.D., Ph.D., Professor of Seoul National University College of Medicine and Director of Clinical Trials Center, Seoul National University Bundang Hospital, Seoul, Korea.

"The consistency and predictive value of evorpacept’s emerging survival-based data in aggressive solid tumor diseases is highly encouraging," said Sophia Randolph, M.D., Ph.D., Chief Medical Officer, ALX Oncology. "We are excited to investigate the impact of evorpacept on these longer-term measures of clinical benefit in our randomized phase 2 programs in patients with HNSCC (ASPEN-03 and ASPEN-04) and GC (ASPEN-06)."

Conference Call on November 9th at 8:00 a.m. EST
ALX Oncology will host a conference call on Tuesday, November 9, 2021 at 8:00 a.m. EST to further discuss the recent GC and HNSCC data from ASPEN-01, the Phase 1b study of evorpacept that was presented at the SITC (Free SITC Whitepaper) 36th Anniversary Annual Meeting. In addition to ALX Oncology’s executive management team, Dr. Kevin Harrington, Professor of Biological Cancer Therapies and Head of the Division of Radiotherapy and Imaging at the Institute of Cancer Research, London, UK will be featured on the call to discuss the latest evorpacept clinical data in HNSCC patients.

To access the conference call, please dial (844) 467-7655 (U.S./Canada) or (409) 983-9840 (international) at least 10 minutes prior to the start time and refer to conference ID 1291278. Presentation slides will be available to download under "News & Events" (see "Events") in the Investors section of the ALX Oncology website at www.alxoncology.com.