Efficacy and Safety of CIP-Isotretinoin in Patients With Severe Recalcitrant Nodular Acne
Public ClinicalTrials.gov record NCT00975143. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Double-Blind, Randomized, Phase III, Parallel Group Study Evaluating the Efficacy and Safety of CIP-Isotretinoin in Patients With Severe Recalcitrant Nodular Acne
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to compare the efficacy and safety of CIP-Isotretinoin and a marketed (generic) formulation of isotretinoin when both are administered twice daily with meals.
Study identification
- NCT ID
- NCT00975143
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 925 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 12 Years to 54 Years
- 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
- Aug 31, 2009
- Primary completion
- Apr 30, 2011
- Completion
- Apr 30, 2011
- Last update posted
- Jul 3, 2014
2009 – 2011
United States locations
- U.S. sites
- 37
- U.S. states
- 22
- U.S. cities
- 35
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Total Skin & Beauty Dermatology Center | Birmingham | Alabama | 35205 | — |
| Burke Pharmaceutical Research | Hot Springs | Arkansas | 71913 | — |
| Center for Dermatology Clinical Research | Fremont | California | 94538 | — |
| Dermatology Research Associates | Los Angeles | California | 90045 | — |
| Dermatology Specialists | Oceanside | California | 92056 | — |
| Skin Surgery Medical Group, Inc. | San Diego | California | 92117 | — |
| Horizons Clinical Research Center | Denver | Colorado | 80220 | — |
| North Florida Dermatology Associates, PA | Jacksonville | Florida | 32204 | — |
| Ameriderm Research | Jacksonville | Florida | 32216 | — |
| Park Avenue Dermatology | Orange Park | Florida | 32073 | — |
| Ameriderm Research | Ormond Beach | Florida | 32174 | — |
| Peachtree Dermatology Associates, PC | Atlanta | Georgia | 30327 | — |
| MedaPhase Inc. | Newnan | Georgia | 30263 | — |
| Northwest Clinical Trials | Boise | Idaho | 83704 | — |
| Northwest Clinical Trials | Nampa | Idaho | 83687 | — |
| Dawes Fretzin Clinical Research | Indianapolis | Indiana | 46256 | — |
| The Indiana Clinical Trials Center, PC | Plainfield | Indiana | 46168 | — |
| The South Bend Clinic, LLP | South Bend | Indiana | 46617 | — |
| Dermatology and Skin Cancer Specialists / Pediaresearch, LLC | Owensboro | Kentucky | 42303 | — |
| ActivMed Practices & Research | Haverhill | Massachusetts | 01830 | — |
| Great Lakes Research Group | Bay City | Michigan | 48706 | — |
| Hamzavi Dermatology | Fort Gratiot | Michigan | 48059 | — |
| Minnesota Clinical Study Center | Fridley | Minnesota | 55432 | — |
| Skin Specialists, PC | Omaha | Nebraska | 68144 | — |
| Comprehensive Clinical Research | Berlin | New Jersey | 08009 | — |
| Haber Dermatology, Clinical Research Center | South Euclid | Ohio | 44118 | — |
| Oregon Dermatology and Research Center | Portland | Oregon | 97210 | — |
| Paddington Testing Company Inc. | Philadelphia | Pennsylvania | 19103 | — |
| Radiant Research, Inc. | Greer | South Carolina | 29651 | — |
| Dermatology Associates of Knoxville | Knoxville | Tennessee | 37934 | — |
| Tennessee Clinical Research Center | Nashville | Tennessee | 37215 | — |
| Arlington Center for Dermatology | Arlington | Texas | 76011 | — |
| Suzanne Bruce and Associates - The Center for Skin Research | Houston | Texas | 77056 | — |
| Progressive Clinical Research | San Antonio | Texas | 78229 | — |
| Stephen Miller, MD, PA Dermatology | San Antonio | Texas | 78229 | — |
| Dermatology Research Center | Salt Lake City | Utah | 84117 | — |
| Premier Clinical Research | Spokane | Washington | 99204 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 12 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00975143, 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 Jul 3, 2014 · Synced Sep 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00975143 live on ClinicalTrials.gov.