Senate Supports Expanded Clinical Trial Endpoints for Alcohol and Substance Use Disorder Treatments, Boosts Adial Pharmaceuticals' AD04 Drug Strategy

Friday, Aug 22, 2025 5:55 am ET1min read

Adial Pharmaceuticals welcomes the US Senate's support for expanding clinical trial endpoints beyond abstinence for Alcohol Use Disorder treatments. The Senate's bipartisan report, passed with a 26-3 vote, encourages the FDA and NIDA to consider alternative endpoints like reduced cravings and severity of the disorder. This aligns with Adial's clinical development strategy for AD04, a serotonin-3 receptor antagonist for AUD. The legislative directive is seen as a potential easing of regulatory pathways for the drug.

Adial Pharmaceuticals (NASDAQ: ADIL) has received a significant boost from the U.S. Senate, which passed a bipartisan report encouraging the FDA and NIDA to consider alternative clinical trial endpoints for Alcohol Use Disorder (AUD) treatments. The Senate Appropriations Committee approved the report with a 26-3 vote, suggesting that complete abstinence is no longer the sole criterion for evaluating the effectiveness of AUD treatments.

The report, which aligns with Adial's clinical development strategy for AD04, a serotonin-3 receptor antagonist designed to treat AUD in patients with specific genotypes, is a welcome regulatory shift. Adial Pharmaceuticals has been focusing on reducing alcohol intake and cravings rather than complete abstinence. The bipartisan support for this approach indicates a more sustainable regulatory direction rather than a temporary political stance.

The regulatory shift could significantly de-risk Adial's clinical development pathway for AD04. Instead of demonstrating complete abstinence, Adial could potentially secure approval by showing meaningful reductions in drinking behavior and cravings in genetically targeted patients. This alignment between Senate guidance and Adial's existing strategy suggests that the company has been pursuing a scientifically sound approach that regulators are increasingly willing to accept.

While this creates a more favorable regulatory environment, investors should note that AD04 must still demonstrate clinical efficacy and safety in upcoming trials before reaching commercialization. For a small clinical-stage company like Adial, this regulatory tailwind could significantly reduce development costs and timelines while increasing the probability of success.

References:
[1] https://www.stocktitan.net/news/ADIL/adial-pharmaceuticals-encouraged-by-u-s-senate-support-for-expanded-56mck2e634nw.html

Senate Supports Expanded Clinical Trial Endpoints for Alcohol and Substance Use Disorder Treatments, Boosts Adial Pharmaceuticals' AD04 Drug Strategy

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