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Hemab Therapeutics Announces First Participant Dosed in Phase 1 Clinical Trial of HMB-003, an Investigational Therapy for the Management of Heavy Menstrual Bleeding

$COAGPress releaseSep 17, 2026, 8:00 AM ETRead the release

Hemab Therapeutics (Nasdaq: COAG) dosed the first healthy volunteer in a Phase 1 trial of HMB-003, an investigational fatty-acid-conjugated peptide antifibrinolytic purpose-built for heavy menstrual bleeding. The randomized, placebo-controlled, single-ascending-dose study (NCT07798505) will assess safety, tolerability, pharmacokinetics and pharmacodynamics; preclinical work showed a single subcutaneous dose sustained antifibrinolytic activity for about one week in minipigs, supporting potential once-per-cycle dosing versus today's short-acting therapies. Results are expected no later than mid-2027.

Key figures

Drug Name
HMB-003
Phase Of Trial
Phase 1
Trial id
NCT07798505
Trial design
randomized, placebo-controlled, single-ascending-dose escalation in healthy adult volunteers
Us economic cost
more than $94 billion annually from missed work
Hmb prevalence us
approximately 1 in 3 reproductive-aged women; more than 23 million women in the U.S.
Data update expected
no later than the middle of 2027
Preclinical durability
approximately one week of sustained antifibrinolytic activity from a single subcutaneous dose in minipigs

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