Investigation of Sulindac (HLX-0201) and Gaboxadol (HLX-0206) in Male Fragile X Syndrome Patients Aged 13-40

NCT ID: NCT04823052

Last Updated: 2022-12-08

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

WITHDRAWN

Clinical Phase

PHASE2

Study Classification

INTERVENTIONAL

Study Start Date

2022-05-25

Study Completion Date

2022-10-19

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This study is to investigate the safety, tolerability and efficacy of Sulindac (HLX-0201) and Gaboxadol (HLX-0206) in males with Fragile X Syndrome (FXS) with confirmed full FMR1 mutation treated over a 10 week period in an outpatient setting.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Fragile X Syndrome

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Subjects will be randomly assigned to 1 of 4 treatment arms. All treatment arms will be conducted in parallel. Fifteen subjects will be included in each arm. The study treatment will be blinded to patients, carers and physicians.
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Placebo

One capsule, twice a day

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo Capsule

Sulindac (HLX-0201), dose strength 1

One capsule, twice a day

Group Type ACTIVE_COMPARATOR

Sulindac (HLX-0201), dose strength 1

Intervention Type DRUG

Sulindac (HLX-0201) Capsule

Sulindac (HLX-0201), dose strength 2

One capsule, twice a day

Group Type ACTIVE_COMPARATOR

Sulindac (HLX-0201), dose strength 2

Intervention Type DRUG

Sulindac (HLX-0201) Capsule

Gaboxadol (HLX-0206)

One capsule, twice a day

Group Type ACTIVE_COMPARATOR

Gaboxadol (HLX-0206)

Intervention Type DRUG

Gaboxadol (HLX-0206) Capsule

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Sulindac (HLX-0201), dose strength 1

Sulindac (HLX-0201) Capsule

Intervention Type DRUG

Sulindac (HLX-0201), dose strength 2

Sulindac (HLX-0201) Capsule

Intervention Type DRUG

Placebo

Placebo Capsule

Intervention Type DRUG

Gaboxadol (HLX-0206)

Gaboxadol (HLX-0206) Capsule

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Subject consents to participate, or if the subject are not the subjects own legal guardian, offers assent supported by legally authorized representative consent. Caregiver also commits to the study requirements prior to any study-related procedures
* Willing and able to comply with the study procedures as specified in the protocol and to comply with the study drug administration
* Subject and caregiver are both able to understand the spoken national language clearly and caregiver can read and write to complete study assessments
* Males aged 13 to 40 years (inclusive)
* Has FXS with molecular genetic confirmation of the full FMR1 mutation (\>200 CGG repeats). May have been confirmed historically or at Screening
* Weight ≥45 kg
* CGI-S score ≥4
* Is in general good health as deemed by the Investigator, determined by physical examination, medical history and laboratory tests
* If receiving sertraline, is on a stable, well-tolerated dose for the previous 3 months with no further changes anticipated
* Agrees not to discuss treatment outcomes on social media until subject has completed their End of Therapy visit

Exclusion Criteria

* Active or history of peptic or gastric ulcer or hemorrhage
* Any chronic major medical comorbid condition deemed by the Investigator as presenting added risk to the subject, including but not limited to refractory hypertension, kidney disease, or liver disease
* Diagnosed with diabetes (Type 1 or II) or receiving any anti-diabetic medication
* Unstable seizure disorder defined by any seizure within 6 months prior to baseline visit and/or a change in any anti-convulsant drug dosing in the 60 days prior to study entry
* Patients with cardiovascular disease risk factors: Uncontrolled high blood pressure (systolic blood pressure \>150 mmHg), Unstable angina, History of documented myocardial infarction or cerebrovascular accident, NYHA Class III and IV heart failure, Known uncontrolled hyperlipidemia as LDL-C ≥190 mg/dL or triglycerides ≥ 500 mg/dL
* Chronic use of NSAIDs or other anti-inflammatory agents
* Currently taking or have taken any cannabidiol (CBD) preparation within 30 days prior to screening
* Currently taking or have taken sulindac or gaboxadol within 30 days prior to screening
* Currently taking GABAergic agents (i.e., acamprosate, baclofen, vigabatrin, tiagabine, riluzole, benzodiazepines, and gabapentin)
* Changes in psychotropic or anti-convulsant (where taken for reasons other than seizure control) drug treatment within 30 days prior to Screening
* Significant changes in any educational, behavioral and/or dietary interventions the month prior to Screening
* Planned initiation of new, or modification of ongoing, interventions during the study
* History of adverse effects of sulindac or other NSAIDs that would prevent safe study completion
* Unable or unwilling to take oral medication (whole capsule) or history of dysphagia or malabsorption
* Has abnormal baseline laboratory assessments including, but not limited to, ALT or AST or total bilirubin \>1.5 × ULN, or other clinically relevant laboratory abnormality
* Has a clinically significant abnormal ECG, heart rate or BP at Screening as judged by the Investigator
* Has received an investigational drug (either approved or not approved) in any prior clinical study within 30 days or 5 half-lives (whichever is longer) prior to Screening
Minimum Eligible Age

13 Years

Maximum Eligible Age

40 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Healx Limited

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Elizabeth Berry-Kravis

Role: PRINCIPAL_INVESTIGATOR

Rush University Medical Center & Children's Hospital

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Children's Hospital Colorado

Aurora, Colorado, United States

Site Status

University of Miami

Miami, Florida, United States

Site Status

Emory University School of Medicine

Atlanta, Georgia, United States

Site Status

Rush University Medical Center & Children's Hospital

Chicago, Illinois, United States

Site Status

Kennedy Krieger Insitute

Baltimore, Maryland, United States

Site Status

University of Massachusetts Chan Medical School

Worcester, Massachusetts, United States

Site Status

Icahn School of Medicine (Mount Sinai)

New York, New York, United States

Site Status

Children's Health Queensland Hospital and Health Service

Brisbane, Queensland, Australia

Site Status

Fragile X Alliance Clinic

Caulfield, Victoria, Australia

Site Status

Murdoch Children's Research Institute

Melbourne, Victoria, Australia

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States Australia

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

HLX002-0201

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

ERG/5-HTP in Fragile X Syndrome (FXS)
NCT05030129 COMPLETED PHASE2