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Enzyme Replacement Therapy

BEAM-301 for Glycogen Storage Disease

Phase 1 & 2
Recruiting
Research Sponsored by Beam Therapeutics Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Diagnosis of GSDIa and homozygous or compound heterozygous for the G6PC1 c.247C>T (p.R83C) variant (confirmed by genetic testing)
Be older than 18 years old
Must not have
Liver transplant recipient/on waiting list for liver transplant or known history of liver cirrhosis
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
Timeline
Screening 3 weeks
Treatment Varies
Follow Up up to 5 years
Awards & highlights
No Placebo-Only Group

Summary

This trial will test a new drug, BEAM-301, on adult patients with a specific genetic condition called GSDIa. The study will focus on evaluating the safety and effectiveness of the drug

Who is the study for?
This trial is for adults with Glycogen Storage Disease Type Ia (GSDIa) who have specific genetic variants. It's not clear what excludes someone from participating, but typically, trials require stable health and no conflicting medications or conditions.
What is being tested?
The study tests BEAM-301, a new treatment given as a single IV dose to see if it's safe and effective for GSDIa. The trial will gradually increase the dose to find the best amount that works without causing harm.
What are the potential side effects?
Since this is an early-phase trial of BEAM-301, exact side effects aren't listed yet. Generally, IV treatments can cause reactions at the injection site, allergic responses, or flu-like symptoms.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I have GSDIa and carry two copies of the specific G6PC1 gene mutation.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I have had a liver transplant, am waiting for one, or have liver cirrhosis.
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I have a liver tumor larger than 5 cm, confirmed by MRI or ultrasound.
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My liver tumor is between 3 and 5 cm and grows more than 0.5 cm a year.
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I haven't had cell, gene, or viral therapies and wasn't hospitalized for low blood sugar in the last month.
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My triglycerides are over 1000 mg/dL or I've had pancreatitis in the last 5 years without a known cause.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~up to 5 years
This trial's timeline: 3 weeks for screening, Varies for treatment, and up to 5 years for reporting.

Treatment Details

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

1Treatment groups
Experimental Treatment
Group I: BEAM-301Experimental Treatment1 Intervention
BEAM-301 consists of adenine base editor messenger ribonucleic acid (mRNA) and single guide ribonucleic acid (gRNA) formulated in lipid nanoparticles (LNPs) for intravenous (IV) administration.

Find a Location

Who is running the clinical trial?

Beam Therapeutics Inc.Lead Sponsor
4 Previous Clinical Trials
1,223 Total Patients Enrolled
~24 spots leftby Dec 2027