Sanofi stock may face pressure as amlitelimab efficacy falls below expectations

Published 04/09/2025, 14:34
Sanofi stock may face pressure as amlitelimab efficacy falls below expectations

Investing.com - Sanofi (NASDAQ:SNY) may face downward pressure on its stock after releasing headline data for its injectable anti-OX40L treatment amlitelimab that showed efficacy below expected levels, according to BofA Securities.

The pharmaceutical company’s Phase III COAST-1 monotherapy trial in atopic dermatitis met both primary and secondary endpoints, but efficacy measures fell short of anticipated benchmarks. The placebo-adjusted EASI-75 score at the Q4W dose showed approximately 17% improvement at 24 weeks, significantly below the expected 30% threshold.

BofA Securities, which maintained its Buy rating and €115.00 price target on Sanofi , noted that the Q12W arm showed a slightly better placebo-adjusted EASI-75 score of approximately 20%. The placebo-adjusted IGA0/1 scores were approximately 12% and 13% for the Q4W and Q12W arms, respectively.

The results appear weaker in cross-trial comparisons to Dupixent, which demonstrated 26-32% benefit on EASI-75 and 27-28% for IGA0/1. The efficacy appears more in line with Amgen’s OX40R rocatinlimab, which showed approximately 19-30% improvement for EASI-75 and 13-15% for IGA0/1.

BofA Securities expects Sanofi’s share price to decline following this news, as consensus estimates include €2 billion in revenue from amlitelimab, representing approximately 5% downside to earnings per share if removed from forecasts.

This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.

Latest comments

Risk Disclosure: Trading in financial instruments and/or cryptocurrencies involves high risks including the risk of losing some, or all, of your investment amount, and may not be suitable for all investors. Prices of cryptocurrencies are extremely volatile and may be affected by external factors such as financial, regulatory or political events. Trading on margin increases the financial risks.
Before deciding to trade in financial instrument or cryptocurrencies you should be fully informed of the risks and costs associated with trading the financial markets, carefully consider your investment objectives, level of experience, and risk appetite, and seek professional advice where needed.
Fusion Media would like to remind you that the data contained in this website is not necessarily real-time nor accurate. The data and prices on the website are not necessarily provided by any market or exchange, but may be provided by market makers, and so prices may not be accurate and may differ from the actual price at any given market, meaning prices are indicative and not appropriate for trading purposes. Fusion Media and any provider of the data contained in this website will not accept liability for any loss or damage as a result of your trading, or your reliance on the information contained within this website.
It is prohibited to use, store, reproduce, display, modify, transmit or distribute the data contained in this website without the explicit prior written permission of Fusion Media and/or the data provider. All intellectual property rights are reserved by the providers and/or the exchange providing the data contained in this website.
Fusion Media may be compensated by the advertisers that appear on the website, based on your interaction with the advertisements or advertisers
© 2007-2025 - Fusion Media Limited. All Rights Reserved.