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Completed Phase 2 Interventional

A Phase 2b Study of Zagociguat in Patients With MELAS

ClinicalTrials.gov ID: NCT06402123

Public ClinicalTrials.gov record NCT06402123. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase 2b Randomized, Double-blind, Placebo-controlled Crossover Study Evaluating the Efficacy and Safety of Zagociguat in Participants With MELAS (PRIZM)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

PRIZM is a Phase 2b randomized, double-blind, placebo-controlled, 3-treatment, 2-period, crossover study evaluating the efficacy and safety of oral zagociguat 15 and 30 mg vs. placebo when administered daily for 12 weeks in participants with genetically and phenotypically defined MELAS.

Study identification

NCT ID
NCT06402123
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Tisento Therapeutics
Industry
Enrollment
43 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 10, 2024 (Actual)
Primary completion
Jun 29, 2026 (Actual)
Completion
Jun 29, 2026 (Actual)
Last update posted
Oct 19, 2026

2024 – 2026

United States locations

U.S. sites
10
U.S. states
8
U.S. cities
8
Facility City State ZIP Site status
UC San Diego - Altman Clinical and Translational Research Institute La Jolla California 92037 —
Children's Hospital of Colorado Aurora Colorado 80045 —
Rare Disease Research Atlanta Georgia 30329 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Columbia University Irving Medical Center New York New York 10027 —
Mount Sinai - Ichan School of Medicine New York New York 10029 —
Akron Children's Hospital Akron Ohio 44308 —
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 —
Baylor College of Medicine Houston Texas 77030 —
University of Texas Medical School at Houston Houston Texas 77030 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 10 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06402123, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 19, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT06402123 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →