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Gene secrets could explain why heart drug works for some, not others

NCT ID NCT07408427

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study aims to find out why the heart medication mavacamten works better for some people with hypertrophic cardiomyopathy (a condition where the heart muscle is too thick) than for others. Researchers will look at participants' genes, including the specific gene causing their condition and a gene called CYP2C19 that affects how the body processes drugs. The goal is to predict who will benefit most from the medication, leading to more personalized treatment. About 140 adults with this condition will take part.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 140 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study will enroll adult patients with a diagnosis of symptomatic obstructive hypertrophic cardiomyopathy (oHCM). The target population consists of individuals who are either currently receiving mavacamten as part of their standard clinical care or are candidates for initiating therapy. Participants will be recruited from the specialist Inherited Cardiac Conditions (ICC) clinic at the study site.

Ages

18 to 99 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Participants above the age of 18 years, with a confirmed diagnosis of oHCM, not solely explained by abnormal loading conditions (e.g. significant hypertension, valvular disease). Exclusion Criteria: * HCM phenocopies (e.g., amyloid, Fabry's disease) * Prior septal reduction therapy (within 6 months) * Contraindications to mavacamten (e.g., baseline LVEF \< 55%, pregnancy, uncontrolled heart failure)

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Manchester Centre for Genomic Medicine (MCGM)

    Multiple Locations, United Kingdom

More trials for these conditions

Other studies related to the condition(s) this trial covers.