Open-Label Extension: Tolerability and Effects of ALK-001 on Stargardt Disease (TEASE)

January 25, 2024 updated by: Alkeus Pharmaceuticals, Inc.

A Phase 2 Multicenter, Double-Masked, Randomized, Placebo-Controlled Study to Investigate the Long Term Safety, Tolerability, Pharmacokinetics and Effects of ALK-001 on the Progression of Stargardt Disease

The purpose of this open-label, multicenter study is to determine the long-term safety, pharmacokinetics and effects of ALK-001 (C20-D3-retinyl acetate) on the progression of Stargardt disease. This study is an extension of NCT02402660 and enrolls participants who are at least 8 years old. Enrollment is by invitation only.

Funding Source - FDA OOPD

Study Overview

Status

Enrolling by invitation

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

140

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Massachusetts
      • Somerville, Massachusetts, United States, 02144
        • Coordinating Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

8 years to 70 years (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Simplified Inclusion Criteria:

  • Clinical diagnosis of Stargardt disease (STGD1)
  • Has at least two ABCA4 disease-causing mutations, unless authorized by sponsor
  • Has a best-corrected visual acuity (BCVA) greater than approximately 20/160 in at least one eye
  • Healthy as judged by investigator
  • Able and willing to comply with study requirements, restrictions and instructions and is likely to complete the 24-month study
  • Has been invited to participate in this extension, and has signed and dated the informed consent forms (or assent where appropriate) to participate
  • Female of childbearing potential has signed the attestation on contraception requirements

Simplified Exclusion Criteria:

  • Is lactating or pregnant
  • Has a medical condition likely to prevent compliance with the protocol and/or interfere with absorption of ALK-001 or performance of study procedures
  • Has abnormal laboratory result(s) at screening
  • Has an ocular disorder that may confound ocular assessments
  • Has a history of ocular intervention within 90 days of screening

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: ALK-001
Drug: ALK-001
Oral administration of a pill for up to 24 months
Other Names:
  • C20-D3-Retinyl Acetate
  • C20 Deuterated vitamin A

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Safety and tolerability of ALK-001 assessed by incidence and/or clinically-significant changes of a combination of ocular and non-ocular adverse events
Time Frame: From baseline to 24 months
From baseline to 24 months
Pharmacokinetic profile of ALK-001 derived from the concentrations of ALK-001 and metabolites in plasma
Time Frame: Up to 24 months
Up to 24 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Alkeus Pharmaceuticals, Inc.

Investigators

  • Study Director: Leonide Saad, PhD, Alkeus Pharmaceuticals, Inc.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 20, 2019

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

December 1, 2026

Study Registration Dates

First Submitted

January 11, 2020

First Submitted That Met QC Criteria

January 22, 2020

First Posted (Actual)

January 27, 2020

Study Record Updates

Last Update Posted (Estimated)

January 26, 2024

Last Update Submitted That Met QC Criteria

January 25, 2024

Last Verified

January 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • ALK001-P1002-EXT
  • R01FD004098 (U.S. FDA Grant/Contract)
  • R01FD006016 (Other Grant/Funding Number: FDA OOPD)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Stargardt Disease

Clinical Trials on ALK-001

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Greece

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

3
Subscribe