Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

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

MSS: early-phase trial registry

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

Corpus placement: #7,188 of 28,707 conditions by registered trial count.

2 US clinical trials · 1 currently recruiting · #7,188 of 28,707 conditions by registered trial count

MSS: 2 US clinical trials tracked, 1 recruiting.

MSS is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Amal Therapeutics, running 1 of these trials.

Enrollment posture brief

Registry condition mss

OPEN 1 | RECR 50% | LATE 0 | EARLY 2 | RANK #7188 | SPON 1

Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%MSS (this)50%
Open-enrollment share among volume-matched conditions near MSS

MSS lists 1 open slots (50% of 2 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 MSS 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. MSS is recruiting above its size-band peers.

    1 of 2 indexed trials (50%) 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 12

Phase Distribution

PhaseTrial count
Phase 1 2

Named interventions

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

VSV-GP128 Drug
1 trials
BI 754091 Drug
1 trials
ATP128 Drug
1 trials
vvDD-hIL-2-RG-1 Biological
1 trials

US sites by state

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

Texas 1 trials
Pennsylvania 1 trials
New York 1 trials
North Carolina 1 trials
Colorado 1 trials
California 1 trials
Arizona 1 trials

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

What to do with this MSS page

2 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 MSS condition card totals 2 registered trials; most-linked intervention VSV-GP128; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.