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Not listed No phase listed Observational Accepts healthy volunteers

Epidemiology Study of Keloid

ClinicalTrials.gov ID: NCT01423383

Public ClinicalTrials.gov record NCT01423383. 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 Jul 23, 2026, 8:17 PM EDT

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

Study identification

NCT ID
NCT01423383
Recruitment status
Not listed
Study type
Observational
Phase
Not listed
Lead sponsor
Tirgan, Michael H., M.D.
Individual
Enrollment
100,000 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
Not listed
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Aug 31, 2011
Primary completion
May 31, 2020
Completion
Nov 30, 2021
Last update posted
Oct 17, 2016

2011 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Michael H. Tirgan, MD New York New York 10023 Recruiting

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 NCT01423383, 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 Oct 17, 2016 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01423383 live on ClinicalTrials.gov.

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