BioAge Labs Announces Discontinuation of STRIDES Phase 2 Clinical Trial Evaluating Azelaprag in Combination with Tirzepatide for the Treatment of Obesity

Decision follows observations of liver transaminitis without clinically significant symptoms in some subjects on azelaprag

Company will evaluate data from patients enrolled to date and share updated plans for azelaprag in Q1 2025

In parallel to evaluating azelaprag, Company will continue to advance earlier platform-derived programs, including IND submission for CNS penetrant NLRP3 inhibitor anticipated in the second half of 2025

RICHMOND, Calif., Dec. 06, 2024 (GLOBE NEWSWIRE) -- BioAge Labs (Nasdaq: BIOA) (“BioAge”, “the Company”), a clinical-stage biopharmaceutical company developing therapeutic product candidates for metabolic diseases by targeting the biology of human aging, today announced that the Company has made the decision to discontinue the ongoing STRIDES Phase 2 study of its investigational drug candidate azelaprag as monotherapy and in combination with tirzepatide after liver transaminitis without clinically significant symptoms was observed in some subjects receiving azelaprag. No transaminase elevations were observed in the tirzepatide only treatment group.

“Patient safety is our top priority in the conduct of our clinical studies,” said Kristen Fortney, PhD, CEO and co-founder of BioAge. “We made the difficult decision to discontinue the STRIDES Phase 2 study of azelaprag because it became clear that the emerging safety profile of the current doses tested is not consistent with our goal of a best-in-class oral obesity therapy. While this outcome is a significant disappointment, we remain encouraged by azelaprag’s promising preclinical and Ph1b efficacy profile. We remain committed to our focus on developing therapies for metabolic aging. In parallel to assessing the next steps for the azelaprag program, we will continue to advance our NLRP3 inhibitor program as well as additional research programs with novel mechanisms emerging from our platform.”

STRIDES is a randomized, double-blind, placebo-controlled Phase 2 clinical trial of azelaprag as monotherapy and in combination with tirzepatide that planned to enroll approximately 220 individuals with obesity aged 55 years and older (link). The trial was designed to evaluate the efficacy as measured by body weight reduction and other outcomes, safety, and tolerability of two oral doses of azelaprag (300 mg, once or twice daily) in combination with tirzepatide (5 mg subcutaneous injection once weekly). An azelaprag monotherapy arm was included to provide additional safety information.

Of 204 subjects enrolled in STRIDES as of today, 11 subjects in the azelaprag treatment groups were observed to have transaminase elevations with no clinically significant symptoms. Dosing of all subjects will be discontinued, and no additional subjects will be enrolled. Clinical follow-up of enrolled subjects will continue off drug. The Company intends to further analyze available STRIDES clinical data from all enrolled subjects. The Company has notified all study investigators and regulatory authorities including the U.S. Food and Drug Administration (FDA) of the Company’s decision to discontinue enrollment.   The Company intends to share updated plans for azelaprag in Q1 2025.

BioAge continues to advance its pipeline of therapeutic candidates targeting the biology of aging to treat metabolic diseases. The Company's novel class of brain-penetrant NLRP3 inhibitors, which have demonstrated high potency and a novel binding site, are progressing toward IND submission, anticipated in the second half of 2025. The NLRP3 inhibitor program targets neuroinflammation, which is linked to both metabolic and neurodegenerative diseases. In addition, BioAge is advancing multiple targets derived from its proprietary discovery platform, which analyzes molecular data spanning over 50 years of human aging trajectories.

About BioAge Labs, Inc.
BioAge is a clinical-stage biopharmaceutical company developing therapeutic product candidates for metabolic diseases, such as obesity, by targeting the biology of human aging. BioAge’s lead product candidate, azelaprag, is an orally available small molecule agonist of APJ that was observed to promote metabolism and prevent muscle atrophy on bed rest in a Phase 1b clinical trial. BioAge is also developing orally available small molecule brain penetrant NLRP3 inhibitors for the treatment of diseases driven by neuroinflammation. BioAge’s preclinical programs, based on novel insights from the company’s discovery platform built on human longevity data, address key pathways in metabolic aging.

Forward-looking statements
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Contacts
PR: Chris Patil, media@bioagelabs.com
IR: Elena Liapounova, ir@bioagelabs.com
Partnering: partnering@bioagelabs.com
Web: https://bioagelabs.com