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Gene therapy breakthrough aims to control rare metabolic disease

NCT ID NCT06735755

Disease control Sponsor: Beam Therapeutics Inc. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a new gene therapy called BEAM-301 in 36 adults with glycogen storage disease type Ia (GSDIa) who have a specific gene change. The goal is to see if a single dose can safely improve blood sugar control and reduce the need for cornstarch supplements. Participants will be monitored for side effects and changes in their condition over time.

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.

Phase

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 36 people

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

Started

Dec 2024

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

18 years and older

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: 1. Males or females age ≥18 years of age at the time of consent. 2. Diagnosis of GSDIa and homozygous or compound heterozygous for the G6PC1 c.247C\>T (p.R83C) variant (confirmed by genetic testing). 3. History of at least 1 episode of hypoglycemia \<60 mg/dL within the 2 years prior to signing the ICF. Exclusion Criteria: 1. Liver transplant recipient/on waiting list for liver transplant or known history of liver cirrhosis. 2. Presence of liver adenoma \>5 cm in size based on liver MRI or liver ultrasound performed at screening or within 6 months prior to screening. 3. Presence of liver adenoma \>3 cm and ≤5 cm with a documented annual growth rate of ≥0.5 cm per year. 4. Have aspartate transaminase or alanine transaminase \>upper limit of normal (ULN). 5. Total bilirubin levels \>ULN; if documented Gilbert's Syndrome, total bilirubin \>2 × ULN. 6. Previous treatment with any cell-, gene-, or viral vector-derived therapy Hospitalization for management of hypoglycemia within 4 weeks prior to signing the ICF. 7. Have triglycerides \>1000 mg/dL or a history of pancreatitis or a history of acute pancreatitis within 5 years that does not have a known and corrected etiology (eg, cholecystectomy for gallstone pancreatitis).

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Conditions

The condition(s) this trial relates to.

glycogen storage disease due to glucose-6-phosphatase deficiency type IA

As listed by the trial registrant

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

Glycogen storage disease type IA

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    3 sites. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Clinical Study Site

    RECRUITING

    Orange, California, 92868, United States

  • Clinical Study Site

    RECRUITING

    Farmington, Connecticut, 06030, United States

  • Clinical Study Site

    RECRUITING

    Houston, Texas, 77030, United States

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