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ClinicalTrials.gov 1 recruiting now early-phase tilt small index

Frozen Shoulder: early-phase trial registry

1 of 4 indexed Frozen Shoulder trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #4,115 of 28,707 conditions by registered trial count.

4 US clinical trials · 1 currently recruiting · #4,115 of 28,707 conditions by registered trial count

Frozen Shoulder: 4 US clinical trials tracked, 1 recruiting.

Frozen Shoulder is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 1 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 Endo Pharmaceuticals, running 2 of these trials.

Enrollment posture brief

Registry condition frozen-shoulder

OPEN 1 | RECR 25% | LATE 1 | EARLY 2 | RANK #4115 | SPON 2

Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Frozen Shoulder (this)25%
Open-enrollment share among volume-matched conditions near Frozen Shoulder

Frozen Shoulder lists 1 open slots (25% of 4 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 Frozen Shoulder 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. Frozen Shoulder is recruiting below its size-band peers.

    1 of 4 indexed trials (25%) 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.

Phase 22Phase 41

Phase Distribution

PhaseTrial count
Phase 2 2
Phase 4 1

Named interventions

Most-linked intervention names on Frozen Shoulder records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Shoulder exercises Other
1 trials
AA4500 0.58 mg/0.5 mL Biological
1 trials
AA4500 0.58 mg/1 mL Biological
1 trials
AA4500 0.58 mg/2 mL Biological
1 trials
AA4500 0.29 mg/1 mL Biological
1 trials
Manual therapy Procedure
1 trials
Translational manipulation Procedure
1 trials
Collagenase Clostridium Histolyticum Biological
1 trials

US sites by state

Facility locations filed on Frozen Shoulder trials. A trial with sites in several states counts in each.

Texas 2 trials
Indiana 2 trials
Illinois 2 trials
Florida 2 trials
California 2 trials
Arizona 2 trials
Alabama 2 trials
Tennessee 1 trials

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

What to do with this Frozen Shoulder page

4 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Frozen Shoulder condition card totals 4 registered trials; most-linked intervention Shoulder exercises; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.