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Solid Biosciences

Solid Biosciences works on 3 rare diseases tracked on Trial Friend, including Catecholaminergic Polymorphic Ventricular Tachycardia, Duchenne Muscular Dystrophy, Friedreich Ataxia, with 5 active clinical trials (4 recruiting).

Solid Biosciences is a Charlestown, Massachusetts gene therapy company whose story is one of stubborn persistence in Duchenne muscular dystrophy. After its first-generation candidate ran into safety and potency limits, the company rebuilt around a next-generation therapy, SGT-003, which pairs a rationally designed muscle-tropic capsid (AAV-SLB101) with an improved microdystrophin cargo designed to restore key parts of the protein complex Duchenne destroys.

The rebuild appears to be paying off. In the Phase 1/2 INSPIRE DUCHENNE study, which had dosed 53 participants as of August 4, 2026, SGT-003 produced strong microdystrophin expression with a lower-burden, steroid-only immune regimen, and cardiac monitoring has shown reductions in markers of heart injury with early signals of improved systolic function, notable because heart failure is what ultimately claims most Duchenne patients. In May 2026 Solid dosed the first participant in IMPACT DUCHENNE, a multi-country, randomized, placebo-controlled Phase 3 trial, and it plans to meet the FDA late in 2026 to ask about a possible accelerated approval path.

Beyond Duchenne, Solid is applying its cardiac gene therapy expertise to catecholaminergic polymorphic ventricular tachycardia (CPVT), a rare inherited arrhythmia that can cause sudden death in young people, with SGT-501 in a Phase 1b trial. It is also testing SGT-212 in Friedreich ataxia in the Phase 1b FALCON trial. Its next-generation capsid is also being licensed to other developers, extending the platform's reach beyond its own pipeline.

Type
Rare Disease Specialist
Ticker
SLDB
Headquarters
Charlestown, United States
Founded
2013
5
Active Rare Disease Trials
3
Rare Diseases in Portfolio
13
Years Active

Solid Biosciences Drug Pipeline

Solid Biosciences has 5 active clinical trials across 3 development stages, with 4 currently recruiting participants. Clinical trials advance through phases: Phase 1 tests safety in a small group, Phase 2 evaluates effectiveness and side effects, Phase 3 confirms benefit in a larger population, and Phase 4 monitors long-term safety after FDA approval.

Note: This pipeline counts the active and recruiting trials listed on this page, from ClinicalTrials.gov. For companies that work outside rare disease, we list only trials for rare diseases we track, so the company's full pipeline may be larger.

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2
Early Phase / Phase 12 trials
2
Phase 22 trials
1
Phase 31 trial

Solid Biosciences Clinical Trials (5)

Active and recruiting clinical trials sponsored by Solid Biosciences, sourced live from ClinicalTrials.gov. Each trial card shows the study phase, current recruitment status, conditions under investigation, study locations, eligibility criteria, and a direct link to the full ClinicalTrials.gov record. You can also download a one-page PDF summary to share with your doctor.

Note: Recruitment statuses on ClinicalTrials.gov may not immediately reflect recent FDA decisions, sponsor announcements, or enrollment changes. Always confirm a trial's current status directly with the study coordinator.

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RECRUITINGPHASE1Recently updatedNCT07180355

A Study of SGT-212 Gene Therapy in Friedreich's Ataxia

Intervention: SGT-212

This is a phase 1b, first in-human, open-label, dose-finding study investigating the safety and tolerability of SGT-212 in participants with Friedreich's ataxia (FA). It will be delivered via dual intradentate nucleus (IDN) and intravenous (IV) administration to participants with FA. All participants will receive SGT-212 and will be enrolled in the study for approximately 5 years.

Ages 18 Years - 40 Years3 locations
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RECRUITINGPHASE3Recently updatedNCT07160634

A Study of SGT-003 Gene Therapy in Ambulant Males With Duchenne Muscular Dystrophy (IMPACT DUCHENNE)

Intervention: SGT-003, Placebo

This is a Phase 3, double-blind, placebo-controlled study with the primary objective of evaluating the efficacy of a single IV infusion of SGT-003 in pediatric ambulant male participants with DMD. The secondary objectives include the evaluation of additional efficacy and safety outcomes. The study will be divided into 2 parts. Participants will be randomized 1:1 to either SGT-003 in Part 1 followed by placebo in Part 2 or to placebo in Part 1 followed by SGT-003 in Part 2. Participants will continue to be monitored in long term follow up (LTFU) for at least 5 years from their SGT-003 dosing date.

Ages 7 Years - 11 Years7 locations
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RECRUITINGPHASE1Recently updatedNCT07148089

A Study of SGT-501 Gene Therapy in Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)

Intervention: SGT-501

This is a Phase 1b, Multicenter, Open-Label, Dose Finding Study to Investigate the Safety and Tolerability of a Single Intravenous Dose of SGT-501 in participants with catecholaminergic polymorphic ventricular tachycardia (CPVT). The first-in-human (FIH) safety study will focus on obtaining safety data in adult participants. Cohort 1 and Cohort 2 (optional for dose exploration) will include participants ≥ 18 years of age. Cohort 3 will include participants ≥ 7 to \< 18 years of age and will be initiated following data and safety monitoring board (DSMB) recommendations. Participants will be monitored for 5 years post-administration of SGT-501 including the active treatment period (1 year) and long-term follow-up (LTFU) (4 years) period.

Ages 7 Years+5 locations
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RECRUITINGPHASE1, PHASE2Updated a few months agoNCT06138639

A Study of SGT-003 Gene Therapy in Duchenne Muscular Dystrophy (INSPIRE DUCHENNE)

Intervention: SGT-003

This is a multicenter, open-label, non-randomized study to investigate the safety, tolerability, and efficacy of a single intravenous (IV) infusion of SGT-003 in participants with Duchenne muscular dystrophy. There will be 5 cohorts in this study. Cohort 1 will include participants 4 to \< 7 years of age. Cohort 2 will include participants 7 to \< 12 years of age. Cohort 3 will include participants 0 to \< 4 years of age. Cohort 4 will include participants 12 to \< 18 years of age. Cohort 5 will include participants 10 to \< 18 years of age. Initiation of participant enrollment in Cohorts 4 and 5 will be subject to the accrual of safety and efficacy data from Cohorts 1-3. All participants will receive SGT-003 and will be enrolled in the study for 5 total years for long-term follow up.

Ages 0 Years - 17 Years15 locations
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ACTIVE NOT RECRUITINGPHASE1, PHASE2Recently updatedNCT03368742

Microdystrophin Gene Transfer Study in Adolescents and Children With DMD

Intervention: SGT-001

This is a controlled, open-label, single-ascending dose study to evaluate the safety and tolerability of SGT-001 in adolescents and children with Duchenne muscular dystrophy (DMD). Participants will receive a single intravenous (IV) infusion of SGT-001 and will be followed for approximately 5 years. The protocol was amended to drop the control arm after 4 participants were dosed.

Ages 4 Years - 17 Years2 locations
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FDA-Approved Drugs

No FDA-approved drugs found for this company at this time.

Solid Biosciences Trial Locations

Solid Biosciences clinical trials are running at 32 sites in 5 countries. Click any country to drill down by state, city, and individual research facility. Proximity to a trial site is one of the most important factors in deciding whether to participate.

United States
24▼
Canada
5▼
Australia
1▼
Italy
1▼
United Kingdom
1▼

Rare Disease Focus Areas (3)

Diseases targeted by Solid Biosciences's clinical trial and drug development programs

Patient Resources

Organizations and resources related to Solid Biosciences's rare disease focus areas

Frequently Asked Questions About Solid Biosciences

Common questions about Solid Biosciences's rare disease programs, clinical trials, and treatments.