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ClinicalTrials.gov enrollment closed early-phase tilt small index

Sudden Hearing Loss: early-phase trial registry

A small indexed set (2 trials) with no open enrollment listed right now.

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

2 US clinical trials · none currently recruiting · #7,188 of 28,707 conditions by registered trial count

Sudden Hearing Loss: 2 US clinical trials tracked, none currently recruiting.

Sudden Hearing Loss is the subject of 2 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Frequency Therapeutics, running 2 of these trials.

Enrollment posture brief

Registry condition sudden-hearing-loss

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

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Sudden Hearing Loss (this)0%
Open-enrollment share among volume-matched conditions near Sudden Hearing Loss

Sudden Hearing Loss has no open enrollment in this registry pull (2 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Sudden Hearing Loss 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. Sudden Hearing Loss is recruiting below its size-band peers.

    0 of 2 indexed trials (0%) 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 11Phase 21

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 1

Top Sponsors

Named interventions

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

FX-322 Drug
2 trials
Placebo Other
1 trials
Placebo Drug
1 trials

US sites by state

Facility locations filed on Sudden Hearing Loss trials. A trial with sites in several states counts in each.

Texas 2 trials
South Carolina 2 trials
New York 2 trials
Nebraska 2 trials
Michigan 2 trials
Virginia 1 trials
Oklahoma 1 trials
Ohio 1 trials

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

What to do with this Sudden Hearing Loss page

2 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Sudden Hearing Loss trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Frequency Therapeutics sponsors the most Sudden Hearing Loss trials on record, review their full trial history before evaluating a specific study. See Frequency Therapeutics'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 Sudden Hearing Loss condition card totals 2 registered trials; most-linked intervention FX-322; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.