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ClinicalTrials.gov 5 recruiting now early-phase tilt small index

Spinal Muscular Atrophy (SMA): early-phase trial registry

5 of 6 indexed Spinal Muscular Atrophy (SMA) trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #2,866 of 28,707 conditions by registered trial count.

6 US clinical trials · 5 currently recruiting · #2,866 of 28,707 conditions by registered trial count

Spinal Muscular Atrophy (SMA): 6 US clinical trials tracked, 5 recruiting.

Spinal Muscular Atrophy (SMA) is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Novartis Pharmaceuticals, running 2 of these trials.

Enrollment posture brief

Registry condition spinal-muscular-atrophy-sma

OPEN 5 | RECR 83% | LATE 1 | EARLY 2 | RANK #2866 | SPON 2

Nearest open-share peer: Alcoholic Hepatitis (83% recruiting · 6 trials)

Spinal Muscular Atrophy (thi…83%Acute Hypoxemic Respiratory 66.7%Abdominal Aortic Aneurysms50%Acupuncture50%Acute Lymphoblastic Leukemia50%
Open-enrollment share among volume-matched conditions near Spinal Muscular Atrophy (SMA)

Spinal Muscular Atrophy (SMA) lists 5 open slots (83% of 6 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Spinal Muscular Atrophy (SMA) on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Spinal Muscular Atrophy (SMA) is recruiting above its size-band peers.

    5 of 6 indexed trials (83.3%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Spinal Muscular Atrophy (SMA) research.

    Novartis Pharmaceuticals accounts for 2 of 6 trials (33.3%). 5 distinct sponsors appear on at least one study for this condition label.

  3. Typical Spinal Muscular Atrophy (SMA) enrolment sits around 200 participants.

    Median target enrolment is 200 among the 6 trials that report a genuine target (sentinel values excluded). 2 of those (33.3%) plan for fewer than 100 participants.

  4. Spinal Muscular Atrophy (SMA) splits between interventional and observational designs.

    4 interventional and 2 observational studies make up this index (66.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 22Phase 31

Phase Distribution

PhaseTrial count
Phase 2 2
Phase 3 1

Named interventions

Most-linked intervention names on Spinal Muscular Atrophy (SMA) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

RO7204239 Drug
1 trials
onasemnogene abeparvovec Biological
1 trials
Combined Hand-Arm Bimanual Intensive Therapy Including Lower Extremities (HABIT-ILE) + functional strength training (FST) Other
1 trials
Telephone Interview Behavioral
1 trials
Argx-119 IV Biological
1 trials
Zolgensma Drug
1 trials
Prospective observational registry Other
1 trials
Placebo IV Other
1 trials

US sites by state

Facility locations filed on Spinal Muscular Atrophy (SMA) trials. A trial with sites in several states counts in each.

New York 3 trials
Florida 3 trials
Virginia 2 trials
Texas 2 trials
Massachusetts 2 trials
Iowa 2 trials
Connecticut 2 trials
California 2 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Spinal Muscular Atrophy (SMA) page

6 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 5 Spinal Muscular Atrophy (SMA) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Novartis Pharmaceuticals sponsors the most Spinal Muscular Atrophy (SMA) trials on record, review their full trial history before evaluating a specific study. See Novartis Pharmaceuticals's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Spinal Muscular Atrophy (SMA) condition card totals 6 registered trials; most-linked intervention RO7204239; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.