Status:

TERMINATED

Phase 2a Study of IW-6463 in Adults Diagnosed With Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like Episodes (MELAS)

Lead Sponsor:

Tisento Therapeutics

Conditions:

MELAS

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

This is a single-arm study to evaluate safety and tolerability of oral IW-6463 in adults diagnosed with MELAS.

Detailed Description

IW-6463 tablets will be orally administered once-daily (QD) for up to 29 days

Eligibility Criteria

Inclusion

  • Prior genetic confirmation of a known mitochondrial disease mutation
  • Neurological features of MELAS (can be based on medical history)
  • Elevated plasma lactate levels at Screening Visit (≥1.0 mmol/L)
  • Women of childbearing potential must have a negative pregnancy test prior to randomization and must agree to use protocol-specified contraception from the Screening Visit through 90 days after the final dose of study drug.
  • Male participants must be surgically sterile by vasectomy (conducted ≥60 days before the Screening Visit or confirmed via sperm analysis) or must agree to use protocol-specified contraception and agree to refrain from sperm donation from the Screening Visit through 90 days after the final dose of study drug.
  • Other inclusion criteria per protocol

Exclusion

  • Positive pregnancy test at Screening or on Day 1
  • Hypotension defined as systolic blood pressure (BP) ≤90 mmHg or diastolic BP ≤60 mmHg at Screening or predose at Day 1
  • Hypertension defined as systolic BP \>160 mmHg or diastolic BP \>100 mmHg, at Screening or predose at Day 1
  • Uncontrolled diabetes
  • Severe gastrointestinal dysmotility as determined by the investigator that may impact compliance and/or oral drug administration, absorption and exposure.
  • Unable to fast for 3-4 hours after a meal
  • Unable or unwilling to adhere to the study schedule, lifestyle restrictions, assessment requirements or, in the clinical judgment of the investigator, is otherwise not suitable for study participation.
  • Current or past history of clinically significant cardiomyopathy and/or cardiac conduction abnormality
  • Used any nicotine-containing products (eg, cigarettes, e-cigarettes, vape pens, cigars) within 1 month of enrollment
  • Other exclusion criteria per protocol

Key Trial Info

Start Date :

November 13 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 23 2022

Estimated Enrollment :

8 Patients enrolled

Trial Details

Trial ID

NCT04475549

Start Date

November 13 2020

End Date

January 23 2022

Last Update

August 29 2024

Active Locations (5)

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Page 1 of 2 (5 locations)

1

Children's National Hospital of DC

Washington D.C., District of Columbia, United States, 20010

2

Johns Hopkins University

Baltimore, Maryland, United States, 21205

3

Massachusetts General Hospital

Boston, Massachusetts, United States, 02114

4

Columbia University

New York, New York, United States, 10032