Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Not applicable Interventional

Cryotherapy for Retinopathy of Prematurity (CRYO-ROP) - Outcome Study of Cryotherapy for Retinopathy of Prematurity

ClinicalTrials.gov ID: NCT00000133

Public ClinicalTrials.gov record NCT00000133. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 26, 2026, 7:51 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To determine the safety and efficacy of trans-scleral cryotherapy of the peripheral retina in certain low birth-weight infants with retinopathy of prematurity (ROP) for reducing blindness from ROP. To determine the long-term outcome for eyes that had severe ("threshold") ROP, both with and without cryotherapy.

Study identification

NCT ID
NCT00000133
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Enrollment
Not listed

Conditions and interventions

Interventions

Procedure

Eligibility (public fields only)

Age range
Up to 1 Year
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 1986 (Type not available)
Primary completion
Not listed
Completion
Aug 2003 (Actual)
Last update posted
Feb 4, 2014

1986 – 2003

United States locations

U.S. sites
24
U.S. states
19
U.S. cities
23
Facility City State ZIP Site status
Alabama Ophthalmology Associates, P.C. Birmingham Alabama — —
Private practice of David Plotsky, MD Washington D.C. District of Columbia — —
Retina Group of Washington Washington D.C. District of Columbia — —
Bascom Palmer Eye Institute, University of Miami School of Medicine Miami Florida — —
University of Illinois Eye and Ear Infirmary Chicago Illinois — —
Department of Ophthalmology, Indiana University School of Medicine Indianapolis Indiana — —
Kentucky Lions Eye Research Institute, University of Louisville Louisville Kentucky — —
Department of Ophthalmology, Tulane University School of Medicine New Orleans Louisiana — —
Wilmer Eye Institute, The Johns Hopkins Medical Institutions Baltimore Maryland — —
Private practice of John D. Baker, MD Dearborn Michigan — —
Associated Retinal Consultants, P.C. Royal Oak Michigan — —
Department of Ophthalmology, University of Minnesota Minneapolis Minnesota — —
Strong Children's Hospital, University of Rochester Medical Center Rochester New York — —
Duke University Medical Center Durham North Carolina — —
Private Practice of Miles J. Burke, MD Cincinnati Ohio — —
Columbus Children's Hospital Columbus Ohio — —
Oregon Health & Science University, Casey Eye Institute Portland Oregon — —
Children's Hospital of Philadelphia, Division of Pediatric Ophthalmology Philadelphia Pennsylvania — —
Pediatric Ophthalmology and Strabismus, Inc. Pittsburgh Pennsylvania — —
Storm Eye Institute, Medical University of South Carolina Charleston South Carolina — —
Department of Ophthalmology, Vanderbilt University Medical Center Nashville Tennessee — —
Private practice of Rand Spencer, M.D. Dallas Texas — —
University of Texas Health Science Center, San Antonio, Department of Ophthalmology San Antonio Texas — —
John Moran Eye Center Salt Lake City Utah — —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00000133, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 4, 2014 · Synced Oct 26, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00000133 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →