Armata AP-SA02 phage cocktail hits primary endpoint in Phase 2a S. aureus bacteremia trial

Armata Pharmaceuticals, Inc.

• Day 12 clinical response 88% AP-SA02 vs 58% placebo (p=0.047) by blinded investigators; 83% vs 58% by adjudication committee.
• Zero non-response/relapse in AP-SA02 arm at one week post-BAT and EOS vs ~25% placebo (p<0.025).
• AP-SA02 well-tolerated; no serious adverse events related to study drug; TEAEs 6% AP-SA02 vs 0% placebo.
• Armata plans to initiate a pivotal Phase 3 superiority trial in 2026, subject to FDA feedback.
• Defined phage variants in AP-SA02 show intrinsic adaptive mechanism to patient isolates, may enhance efficacy.

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