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ClinicalTrials.gov 3 recruiting now full pipeline small index

Retinopathy of Prematurity: full-pipeline trial registry

3 of 10 indexed Retinopathy of Prematurity trials are currently recruiting.

Corpus placement: #1,724 of 28,707 conditions by registered trial count.

10 US clinical trials · 3 currently recruiting · #1,724 of 28,707 conditions by registered trial count

Retinopathy of Prematurity: 10 US clinical trials tracked, 3 recruiting.

Retinopathy of Prematurity is the subject of 10 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is National Eye Institute (NEI), running 2 of these trials.

Enrollment posture brief

Registry condition retinopathy-of-prematurity

OPEN 3 | RECR 30% | LATE 1 | EARLY 1 | RANK #1724 | SPON 2

Nearest open-share peer: Adrenocortical Carcinoma (30% recruiting · 10 trials)

Acute Leukemia of Ambiguous 80%Achondroplasia40%Retinopathy of Prematuri (th…30%Accelerated Phase Chronic My20%Accidental Fall20%
Open-enrollment share among volume-matched conditions near Retinopathy of Prematurity

Retinopathy of Prematurity lists 3 open slots (30% of 10 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 Retinopathy of Prematurity 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. Retinopathy of Prematurity is recruiting below its size-band peers.

    3 of 10 indexed trials (30%) 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.

  2. One sponsor concentrates Retinopathy of Prematurity research.

    National Eye Institute (NEI) accounts for 2 of 10 trials (20%). 8 distinct sponsors appear on at least one study for this condition label.

  3. Typical Retinopathy of Prematurity enrolment sits around 100 participants.

    Median target enrolment is 100 among the 8 trials that report a genuine target (sentinel values excluded). 4 of those (50%) plan for fewer than 100 participants.

  4. Retinopathy of Prematurity splits between interventional and observational designs.

    6 interventional and 4 observational studies make up this index (60% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 21Phase 31

Open and recent trials

10 total, page 1 of 1

Phase Distribution

PhaseTrial count
Phase 2 1
Phase 3 1

Named interventions

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

Trans-scleral Cryotherapy Procedure
1 trials
carotenoids Dietary supplement
1 trials
Ambient Light Reduction Procedure
1 trials
Goggles Device
1 trials
iROP DL Device
1 trials
Non-Interventional Other
1 trials
retinal photographs Device
1 trials
Investigational ultracompact OCT and OCTA system Device
1 trials

US sites by state

Facility locations filed on Retinopathy of Prematurity trials. A trial with sites in several states counts in each.

Pennsylvania 4 trials
Oregon 4 trials
New York 4 trials
North Carolina 4 trials
Ohio 3 trials
Illinois 3 trials
California 3 trials
Utah 2 trials

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

What to do with this Retinopathy of Prematurity page

10 registered trials, 3 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 Retinopathy of Prematurity condition card totals 10 registered trials; most-linked intervention Trans-scleral Cryotherapy; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.