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Regeneron Resumes Enrollment of FL and DLBCL Patients in Odronextamab Trials

Key Takeaway: Regeneron has announced the resumption of patient enrollment in its odronextamab trials for follicular lymphoma and diffuse large B-cell lymphoma after the FDA lifted a partial clinical hold. The trial protocols have been updated to minimize the risk of severe cytokine release syndrome during dosing. Enrollment will begin immediately for the affected patient cohorts.
Price reaction · baseline $23.61 (2023-10-09 close) · hit pre-market · 1 other ZLAB headline(s) in the window, move may be shared
day 0 close · peak
+1.6%

Market Sentiment Analysis

POSITIVE FACTORS

  • Regeneron resumes patient enrollment for odronextamab trials.
  • FDA lifted the partial clinical trial hold.
  • Amended trial protocols aim to reduce serious side effects.

CONCERNS & RISKS

  • Potential risks associated with cytokine release syndrome.
  • Future regulatory holds could impact trial progress.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+104%
120-day peak, hindsight
Typical move
8.5%
average across 4 past catalysts
Cash runway
~164 mo
Low dilution risk
Lead asset
ZL-1211
Phase 1 · Advanced Solid Tumor

Full Press Release Details

Regeneron is resuming enrollment of patients with follicular lymphoma (FL) and diffuse large B-cell lymphoma (DLBCL) in its monotherapy trials of odronextamab, a CD20xCD3 bispecific antibody, following agreement with the U.S. Food and Drug
Administration to lift the partial clinical trial hold for those patient cohorts. Trial protocols have been amended to further reduce the incidence of ≥Grade 3 cytokine release syndrome during step-up dosing. Regeneron will recommence enrollment in these patient cohorts effective immediately (trials NCT02290951 and NCT03888105).
Forward-Looking Statements and Use of Digital Media
This statement includes forward-looking statements that involve risks and uncertainties relating to future events and the future performance of Regeneron Pharmaceuticals, Inc. (“Regeneron” or the “Company”), and actual events or results may differ materially from these forward-looking statements. Words such as “anticipate,” “expect,” “intend,” “plan,” “believe,” “seek,” “estimate,” variations of such words, and similar expressions are intended to identify such forward-looking statements, although not all forward-looking statements contain these identifying words. These statements concern, and these risks and uncertainties include, among others, the nature, timing, and possible success and therapeutic applications of Regeneron’s product candidates and research and clinical programs now underway or planned, including without limitation odronextamab (a CD20xCD3 bispecific antibody); the likelihood, timing, and scope of possible regulatory approval and commercial launch of Regeneron’s product candidates, such as odronextamab in follicular lymphoma and/or diffuse large B-cell lymphoma; safety issues resulting from the administration of Regeneron’s product candidates (such as odronextamab) in patients, including serious complications or side effects in connection with the use of Regeneron’s product candidates in clinical trials (including the odronextamab trials referenced in this statement); and determinations by regulatory and administrative governmental authorities which may delay or restrict Regeneron’s ability to continue to develop or commercialize Regeneron’s product candidates (such as odronextamab), such as those relating to the imposition of clinical holds and similar regulatory measures (including whether the U.S. Food and Drug Administration or another regulatory authority may impose a clinical hold or similar regulatory measure with respect to odronextamab in the future). A more complete description of these and other material risks can be found in Regeneron’s filings with the U.S. Securities and Exchange Commission, including its Form 10-K for the year ended December 31, 2020 and its Form 10-Q for the quarterly period ended March 31, 2021. Any forward-looking statements are made based on management’s current beliefs and judgment, and the reader is cautioned not to rely on any forward-looking statements made by Regeneron. Regeneron does not undertake any obligation to update (publicly or otherwise) any forward-looking statement, whether as a result of new information, future events, or otherwise.
Regeneron uses its media and investor relations website and social media outlets to publish important information about the Company, including information that may be deemed material to investors. Financial and other information about Regeneron is routinely posted and is accessible on Regeneron’s media and investor relations website (http://newsroom.regeneron.com) and its Twitter feed (http://twitter.com/regeneron).
Contacts:
Media Relations

Frequently Asked Questions

What is odronextamab?

Odronextamab is a CD20xCD3 bispecific antibody used in treating lymphomas.

Why was the enrollment paused?

Enrollment was paused due to a partial clinical hold imposed by the FDA.

What changes were made to the trial protocols?

The protocols were amended to reduce the incidence of severe cytokine release syndrome.

When does enrollment resume?

Enrollment for the trials resumes immediately following FDA approval.

Last updated: Oct 10, 2023