New York, New York 10023

  • Keloid


Although keloid is a very common condition; there are no statistics as to its true incidence and prevalence, neither in United States, nor elsewhere in the world. This trial intends to capture epidemiological data about this disease in a large population sample.

Study summary:

The purpose of current trial is to establish a robust database of incidence and prevalence of keloid, as well as prevalence of familial keloid, in various ethnic groups. Study sample size is 100,000 random individuals who will fill out either a web survery or a paper questionnaire.


Inclusion Criteria: 1. Informed consent 2. Age above 18 to answer the survey questions 3. Parents shall respond on behalf of their minor children Exclusion Criteria:



Primary Contact:

Study Chair
Michael H. Tirgan, MD
St. Luke's-Roosevelt Hospital Center

Michael H. Tirgan, MD
Phone: (212) 874 4200

Backup Contact:


Location Contact:

New York, New York 10023
United States

Michael H. Tirgan, MD
Phone: 212-874-4200

Site Status: Recruiting

Data Source:

Date Processed: December 08, 2022

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