A Study to Evaluate the Safety and Efficacy of CB-03-01 Cream, 1% in Subjects With Facial Acne Vulgaris (25)
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT02608450 |
Recruitment Status :
Completed
First Posted : November 18, 2015
Results First Posted : November 20, 2020
Last Update Posted : November 20, 2020
|
- Study Details
- Tabular View
- Study Results
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Acne Vulgaris | Drug: CB-03-01 cream, 1% Drug: Vehicle cream | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 708 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Phase 3, Multicenter, Randomized, Double-Blind, Vehicle-Controlled Study to Evaluate the Safety and Efficacy of Cortexolone 17α-Propionate (CB-03-01) Cream, 1% Applied Twice Daily for 12 Weeks in Subjects With Facial Acne Vulgaris |
Actual Study Start Date : | January 21, 2016 |
Actual Primary Completion Date : | April 11, 2018 |
Actual Study Completion Date : | April 11, 2018 |

Arm | Intervention/treatment |
---|---|
Experimental: CB-03-01 cream
CB-03-01 cream, 1% applied twice daily for 12 weeks
|
Drug: CB-03-01 cream, 1%
CB-03-01 (cortexolone 17α-propionate) is a steroidal antiandrogen that is being developed as a 1% cream for the topical treatment of acne vulgaris.
Other Names:
|
Placebo Comparator: Vehicle cream
Vehicle cream applied twice daily for 12 weeks
|
Drug: Vehicle cream
Vehicle cream manufactured to mimic look and feel of CB-03-01 but without the active ingredient cortexolone 17α-propionate. |
- Percentage of Participants Achieving Success in Investigator's Global Assessment (IGA) [ Time Frame: Week 12 ]Percentage of subjects in each treatment group achieving "success" at Week 12, with "success" defined as an IGA score of "clear (score=0)" or "almost clear (score=1)" and at least a two-point reduction in IGA compared to Baseline.
- Change From Baseline in Non-inflammatory Lesion Counts [ Time Frame: Baseline and Week 12 ]Absolute change from Baseline in non-inflammatory lesion counts in each treatment group at Week 12.
- Change From Baseline in Inflammatory Lesion Counts [ Time Frame: Baseline and Week 12 ]Absolute change from Baseline in inflammatory lesion counts in each treatment group at Week 12.
- Change From Baseline in Total Lesion Counts [ Time Frame: Baseline and Week 12 ]Absolute change from Baseline in total lesions counts in each treatment group at Week 12.
- Percent Change From Baseline in Total Lesion Counts [ Time Frame: Baseline and Week 12 ]Percent change from Baseline in total lesions counts in each treatment group at Week 12.
- Percent Change From Baseline in Non-inflammatory Lesion (NIL) Counts [ Time Frame: Baseline and Week 12 ]Percent change from Baseline in non-inflammatory lesions count in each treatment group at Week 12.
- Percent Change From Baseline in Inflammatory Lesion (IL) Counts [ Time Frame: Baseline and Week 12 ]Percent change from Baseline in inflammatory lesions count in each treatment group at Week 12.
- Local Site Reactions [ Time Frame: Baseline, Weeks 4, 8, and 12 ]Local Site Reactions (LSRs) including telangiectasia, skin atrophy, striae rubrae, erythema, edema, scaling/dryness, stinging/burning, and pruritus scored by frequency and severity at every visit (Baseline, Weeks 4, 8, and 12).

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 9 Years and older (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Subject is male or non-pregnant female, 9 years of age or older. Females must be post-menopausal, surgically sterile, or using highly effective birth control methods. Women of child-bearing potential must have a negative urine pregnancy test (UPT) at the Screening/Baseline Visit.
- Subject has provided written and verbal informed consent/assent. A subject under 18 years of age must provide written informed assent and be accompanied by the parent or legal guardian at the time of assent/consent signing.
- Subject has an Investigator's Global Assessment (IGA) score of 3 (moderate) or 4 (severe) [0 (clear) to 4 (severe) scale].
- Subject has facial acne vulgaris with at least 30 to a maximum of 75 inflammatory lesions (papules, pustules, and nodules) and 30 to a maximum of 100 non-inflammatory lesions (open and closed comedones).
- Subject and parent/guardian (if applicable) are willing to comply with study instructions and return to the clinic for required visits.
- Subject has used the same type and brand of make-up, other facial products (exclusive of RX/OTC acne cleansers) and hair products (e.g., shampoo, gel, hair spray, mousse, etc.) for at least one (1) month prior to the Baseline Visit and agrees to continue his/her other general skin and hair care products and regimen for the entire study.
Exclusion Criteria:
- Subject is pregnant, lactating, or is planning to become pregnant during the study.
- Subject has any skin pathology or condition that could interfere with the evaluation of the test products or requires the use of interfering topical or systemic therapy.
- Subject has greater than two (2) facial nodules.
- Subject has nodulocystic acne.
- Subject has any condition which, in the investigator's opinion, would make it unsafe for the subject to participate in this research study.
- Subject is currently enrolled in an investigational drug or device study.
- Subject has received an investigational drug or has been treated with an investigational device within 30 days prior to the initiation of treatment (Baseline).
- Subject has facial hair that could interfere with the study assessments in the opinion of the investigator.
- Subject and parent/guardian (if applicable) are unable to communicate or cooperate with the investigator due to language problems, poor mental development, or impaired cerebral function.
- Subject may be unreliable for the study including subjects who engage in excessive alcohol intake or drug abuse, or subjects who are unable to return for scheduled follow-up visits.
- Subject has known hypersensitivity or previous allergic reaction to any of the active or inactive components of the test articles.
- Subject has the need or plans to be exposed to artificial tanning devices or excessive sunlight during the trial.
- Subject has used any of the prohibited topical anti-acne treatments or procedures prior to the study unless appropriate washout period is documented.
- Subject has used used any of the prohibited systemic anti-acne medications prior to the study unless appropriate washout period is documented.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02608450

Study Director: | R&D Cassiopea | Cassiopea S.p.A. |
Documents provided by Cassiopea SpA:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Cassiopea SpA |
ClinicalTrials.gov Identifier: | NCT02608450 |
Other Study ID Numbers: |
CB-03-01/25 |
First Posted: | November 18, 2015 Key Record Dates |
Results First Posted: | November 20, 2020 |
Last Update Posted: | November 20, 2020 |
Last Verified: | October 2020 |
acne clascoterone anti-androgen |
Acne Vulgaris Acneiform Eruptions Skin Diseases Sebaceous Gland Diseases |