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Condition (MeSH)

Muscular Disorders, Atrophic

ClinicalTrials.gov lists 870 trials for Muscular Disorders, Atrophic or a narrower condition beneath it. Sarepta Therapeutics, Inc. has the most among industry and government lead sponsors, with 38.

MeSH D020966 Musculoskeletal Diseases C05 C10
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Phase 1 Phase 1 78 Phase 1/2 Phase 1/2 67 Phase 2 Phase 2 109 Phase 2/3 Phase 2/3 18 Phase 3 Phase 3 72 Phase 4 Phase 4 11 Not applicable Not applicable 220 Observational Observational 287 Phase 1 Phase 1 78 Phase 1/2 Phase 1/2 67 Phase 2 Phase 2 109 Phase 2/3 Phase 2/3 18 Phase 3 Phase 3 72 Phase 4 Phase 4 11 Not applicable Not applicable 220 Observational Observational 287

Trials per phase (log scale)

1 more section with rows

55 of the 870 trials are tagged with Muscular Disorders, Atrophic itself; the rest are tagged with a narrower condition beneath it.

Get the Muscular Disorders, Atrophic report as a PDF

The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

When did Muscular Disorders, Atrophic trials start? (32)

Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.

Trials over time, by phase

  • Phase 1
  • Phase 1/2
  • Phase 2
  • Phase 2/3
  • Phase 3
  • Phase 4
  • Not applicable
  • Observational

Top of scale: 74

1993: 2 trials (Observational 2) 1995: 2 trials (Observational 1, Phase 3 1) 1996: 2 trials (Observational 2) 1998: 1 trials (Not applicable 1) 1999: 1 trials (Observational 1) 2000: 6 trials (Observational 3, Not applicable 1, Phase 2/3 1, Phase 1 1) 2001: 4 trials (Not applicable 2, Phase 4 1, Phase 2 1) 2002: 3 trials (Observational 1, Phase 2 1, Phase 1/2 1) 2003: 4 trials (Not applicable 1, Phase 3 1, Phase 2/3 2) 2004: 6 trials (Observational 3, Phase 3 1, Phase 2/3 1, Phase 2 1) 2005: 8 trials (Observational 3, Phase 2 2, Phase 1/2 3) 2006: 8 trials (Observational 3, Not applicable 3, Phase 2 1, Phase 1 1) 2007: 9 trials (Observational 4, Phase 4 1, Phase 3 1, Phase 2 1, Phase 1/2 1, Phase 1 1) 2008: 15 trials (Observational 1, Not applicable 3, Phase 4 1, Phase 3 2, Phase 2/3 1, Phase 2 4, Phase 1 3) 2009: 16 trials (Observational 4, Not applicable 2, Phase 3 3, Phase 2 1, Phase 1/2 2, Phase 1 4) 2010: 28 trials (Observational 9, Not applicable 3, Phase 4 1, Phase 3 5, Phase 2/3 2, Phase 2 5, Phase 1/2 1, Phase 1 2) 2011: 22 trials (Observational 6, Not applicable 5, Phase 4 1, Phase 3 1, Phase 2 5, Phase 1/2 1, Phase 1 3) 2012: 30 trials (Observational 18, Not applicable 5, Phase 3 2, Phase 2 1, Phase 1 4) 2013: 46 trials (Observational 14, Not applicable 10, Phase 4 1, Phase 3 6, Phase 2/3 1, Phase 2 3, Phase 1/2 6, Phase 1 5) 2014: 43 trials (Observational 12, Not applicable 11, Phase 3 3, Phase 2/3 1, Phase 2 6, Phase 1/2 5, Phase 1 5) 2015: 40 trials (Observational 13, Not applicable 10, Phase 3 2, Phase 2 2, Phase 1/2 8, Phase 1 5) 2016: 43 trials (Observational 11, Not applicable 8, Phase 3 3, Phase 2 13, Phase 1/2 5, Phase 1 3) 2017: 36 trials (Observational 10, Not applicable 13, Phase 3 2, Phase 2/3 2, Phase 2 5, Phase 1/2 2, Phase 1 2) 2018: 51 trials (Observational 14, Not applicable 15, Phase 3 5, Phase 2 8, Phase 1/2 4, Phase 1 5) 2019: 45 trials (Observational 17, Not applicable 12, Phase 3 2, Phase 2/3 3, Phase 2 7, Phase 1/2 2, Phase 1 2) 2020: 40 trials (Observational 14, Not applicable 10, Phase 4 1, Phase 3 5, Phase 2 6, Phase 1/2 1, Phase 1 3) 2021: 59 trials (Observational 20, Not applicable 19, Phase 4 2, Phase 3 6, Phase 2/3 3, Phase 2 4, Phase 1/2 2, Phase 1 3) 2022: 56 trials (Observational 24, Not applicable 17, Phase 3 2, Phase 2 6, Phase 1/2 3, Phase 1 4) 2023: 54 trials (Observational 20, Not applicable 19, Phase 3 3, Phase 2/3 1, Phase 2 4, Phase 1/2 4, Phase 1 3) 2024: 74 trials (Observational 28, Not applicable 15, Phase 4 1, Phase 3 5, Phase 2 9, Phase 1/2 8, Phase 1 8) 2025: 54 trials (Observational 13, Not applicable 15, Phase 3 6, Phase 2 7, Phase 1/2 5, Phase 1 8)

Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2026 (partial year) 48
2025 54
2024 74
2023 54
2022 56
2021 59
2020 40
2019 45
2018 51
2017 36

Forecast of the full-year count, planned starts included, not rows of this table: about 61 trials starting in 2026 and about 59 in 2027, the average of the 24 months through September, counted as registered and carried forward, with about 0.7 times the starts already registered for the rest of 2026 added. The rows of this table count trials registered so far with a start date in the year, planned starts included; the forecast looks ahead to the count for the whole year, so it is not the same measure. In backtests on conditions of this size, forecasts made part-way through the year were typically off by about 15 percent and ran about 1 percent high against the count later registered; forecasts made before the year began were off by about 26 percent and ran about 20 percent low against the count later registered. The part-way figures are from forecasts that used a multiple fitted only on earlier years. These figures rest on a few years of history (target years from 2018 to 2025, varying by figure), place each condition as it is mapped today rather than as it was then, and score against a count for the newest year that was still being revised. Only condition series were scored.

Prediction, not a registry value: median of 36 months from start to primary completion across 99 trials still running at the 2026-10-09 snapshot; registered median of 24 months across 503 trials with a primary completion typed Actual. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

What phase are Muscular Disorders, Atrophic trials in? (9)

Shown in this order: phase order.

Show the trials by phase as a table
Trials by phase
Phase Trials
Phase 1 78
Phase 1/2 67
Phase 2 109
Phase 2/3 18
Phase 3 72
Phase 4 11
Not applicable 220
Observational 287
Expanded access 8

How many Muscular Disorders, Atrophic trials are recruiting? (11)

Shown in this order: the order a trial moves through, from not yet recruiting to unknown.

Trials by recruitment status
Status Trials
Not yet recruiting 25
Recruiting 129
Enrolling by invitation 29
Active, not recruiting 64
Available 3

Status as registered on ClinicalTrials.gov. Each trial is counted once.

Which lead sponsors run the most Muscular Disorders, Atrophic trials? (8)

Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Lead sponsors
Sponsor Trials
Sarepta Therapeutics, Inc. 38
PTC Therapeutics 19
Cooperative International Neuromuscular Research Group 16
Avidity Biosciences, Inc. 11
BioMarin Pharmaceutical 11

Which drugs are being tested for Muscular Disorders, Atrophic? (12)

Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.

Drugs tested
Drug Trials
Ataluren 13
Eteplirsen 11
Viltolarsen 8
Prednisone 8
Drisapersen 7

Interventions as named in the registry (3)

Shown in this order: most trials first.

Interventions as named in the registry
Drug Trials
Exercise 6
Tadalafil Pill 6
Vamorolone 5

These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.

Which serious adverse events do Muscular Disorders, Atrophic trials report? (10)

Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.

Serious adverse events in this condition's trials
Adverse event Subjects affected Trials
Femur fracture 98 26
Pneumonia 47 19
Rhabdomyolysis 27 16
Vomiting 22 13
Influenza 18 11

Which publications cover Muscular Disorders, Atrophic? (40)

Shown in this order: major-topic papers first, then newest, then most linked to trials.

Sub-conditions in MeSH (2)

MeSH descendants one level down with at least one trial, most trials first.

Not on this page

Not measured: delivery record.

Checked, with nothing recorded for this condition: prevalence and rare-disease identity.

Browse all condition evidence pages