Phase 2 Spinal Muscular Atrophy Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You must be under 2 years old at the time of signing up for the trial
- Your baby must have been born at 35 weeks of pregnancy or later, and weighed at least 2.0 kg (about 4.4 lbs) at birth
- Your child must have a confirmed diagnosis of Spinal Muscular Atrophy (SMA) caused by a change in the 5q gene (a specific inherited form of SMA)
- Your child must have a confirmed copy or copies of a gene called SMN2
- Your child must have already been treated with an approved SMA gene therapy (onasemnogene abeparvovec-xioi), or must currently be receiving an approved SMA medication (nusinersen or risdiplam)
- Your child's weight must be within a healthy range for their age (at or above the 1st percentile on World Health Organization growth charts) at the screening visit
- Your child must be showing delays in movement and physical development for their age due to SMA, as judged by the study doctor, or must score below 55 on a specific movement ability test (confirm with trial site)
Who may not be able to join:
- Children whose nutrition is not expected to remain stable throughout the study, or who rely mainly on a feeding tube inserted into the stomach for most of their feeds
- Children who have serious bone or joint problems — such as severe curvature of the spine or severe stiffness in the joints — or who have had, or are expected to need, major bone or joint surgery (including spine or hip surgery) within 6 months before screening or during the study
- Children who have any other physical limitations (for example, needing a cast on their body) that would stop them from completing the movement and physical ability tests required throughout the study
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 857-259-3860
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Evaluate the PK of apitegromab in subjects <2 years old with SMA; Evaluate the PD of apitegromab in subjects <2 years old with SMA; Evaluate the motor function outcomes (ie, efficacy) due to apitegromab treatment
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.