Clinical Trial

A Study to Investigate Efficacy and Safety of Pegtibatinase Compared With Placebo in Participants ≥12 to ≤65 Years of Age With Classical Homocystinuria (HCU) Due to Cystathionine Beta Synthase Deficiency Receiving Standard of Care Treatment

Study acronym: HARMONY
Recruiting Phase 3
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Summary
The purpose of this study is to measure efficacy and safety of pegtibatinase treatment compared with placebo in participants with classical HCU receiving standard of care. Study details include: * Total Study duration: up to 38 weeks * Screening: * Initial Screening duration: up to 4 weeks * Pre-treatment Diet Standardization Period duration: up to 6 weeks * Blinded Treatment Duration: 24 weeks * 2-week blinded dose titration period * 22-week blinded assessment period * Safety Follow-Up: 4 weeks after last dose (as applicable for those not enrolling in the long term extension study, ENSEMBLE)
Protocol Amendment History 4 amendments
This ClinicalTrials.gov record has been amended 4 times since 2024-01-30; most recent amendment 2026-05-05.
Status change: Active, Not Recruiting → Recruiting 2026-05-05
Status change: Recruiting → Active, Not Recruiting 2024-11-04
Trial Details
NCT Number NCT06247085
Lead Sponsor Travere Therapeutics, Inc.
Conditions Homocystinuria
Enrollment 70 participants
Start Date 2023-12-28
Primary Completion 2027-08 (estimated)
Study Completion 2027-09 (estimated)
Updated on ClinicalTrials.gov 2026-08-07