How many clinical trials are there for Down Syndrome (Trisomy 21)?

PlainTrial tracks 1 US clinical trials for Down Syndrome (Trisomy 21), of which 1 are currently recruiting.

Which interventions appear most often on Down Syndrome (Trisomy 21) trial records?

Wait-list control is the most-linked intervention name on Down Syndrome (Trisomy 21) records (1 trial links), followed by Mindfulness-Based Therapy for Insomnia. Names are sponsor-reported on ClinicalTrials.gov.

How do I find a recruiting trial for Down Syndrome (Trisomy 21)?

Use the trial list filtered by Recruiting status, or visit the trial finder to search by condition and state. Always discuss with your healthcare provider.

Is this data current?

Data is from ClinicalTrials.gov. Trial status may have changed. Always verify at ClinicalTrials.gov before making participation decisions.

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

ClinicalTrials.gov 1 recruiting now small index

Down Syndrome (Trisomy 21) clinical trials

Compiled by PlainTrial · August 8, 2026

1 of 1 indexed Down Syndrome (Trisomy 21) trials are currently recruiting.

Corpus placement: #11,370 of 28,707 conditions by registered trial count.

Jump to open trials → Trial finder

1 US clinical trials · 1 currently recruiting · #11,370 of 28,707 conditions by registered trial count

Down Syndrome (Trisomy 21): 1 US clinical trial tracked, 1 recruiting.

Down Syndrome (Trisomy 21) is the subject of 1 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. The most active sponsor is University of Alabama at Birmingham, running 1 of these trials.

Enrollment posture brief

Registry condition down-syndrome-trisomy-21

Volume-matched condition peers

Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)

Open-enrollment share among volume-matched conditions near Down Syndrome (Trisomy 21)

Down Syndrome (Trisomy 21) lists 1 open slots (100% of 1 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 Down Syndrome (Trisomy 21) 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.

Down Syndrome (Trisomy 21) is recruiting above its size-band peers.

1 of 1 indexed trials (100%) 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.

Open and recent trials

1 total, page 1 of 1

RECRUITING NA 20 participants

Sleep Intervention and Quality of Life in Down Syndrome

University of Alabama at Birmingham

NCT06783725

Phase Distribution

Phase data not available

Top Sponsors

University of Alabama at Birmingham 1 trials

Named interventions

Most-linked intervention names on Down Syndrome (Trisomy 21) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Wait-list control Behavioral

1 trials

Mindfulness-Based Therapy for Insomnia Behavioral

1 trials

US sites by state

Facility locations filed on Down Syndrome (Trisomy 21) trials. A trial with sites in several states counts in each.

Alabama 1 trials

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

Read our methodology - how this data is sourced, computed, and verified.

What to do with this Down Syndrome (Trisomy 21) page

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

1 Down Syndrome (Trisomy 21) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
University of Alabama at Birmingham sponsors the most Down Syndrome (Trisomy 21) trials on record, review their full trial history before evaluating a specific study. See University of Alabama at Birmingham'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 Down Syndrome (Trisomy 21) condition card totals 1 registered trials; most-linked intervention Wait-list control; top US site state Alabama. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.