# Retrospective Study of Keloid Disorder

> **NCT02923596** · — · UNKNOWN · sponsor: **Tirgan, Michael H., M.D.** · enrollment: 5000 (estimated)

## Conditions studied

- Keloid

## Interventions

- **PROCEDURE:** History of prior Surgery
- **RADIATION:** History of Radiation Therapy

## Key facts

- **NCT ID:** NCT02923596
- **Lead sponsor:** Tirgan, Michael H., M.D.
- **Sponsor class:** INDIV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2016-09
- **Primary completion:** 2022-09
- **Final completion:** 2023-09
- **Target enrollment:** 5000 (ESTIMATED)
- **Last updated:** 2016-10-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02923596

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02923596, "Retrospective Study of Keloid Disorder". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT02923596. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
