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Double-blind, randomised clinical study comparing efficacy and safety of Clindamycin/Tretinoin Gel (10 mg/g + 0.25 mg/g) (Test) vs. Acnatac(R) 10 mg/g + 0.25 mg/g Gel (Reference) vs. Vehicle in patients with papulopustular acne

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504552-10-01
Acronym
23-01/ClindaTret-G
Enrollment
675
Registered
2024-04-11
Start date
2024-05-14
Completion date
Unknown
Last updated
2026-01-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Papulopustular acne

Brief summary

Primary efficacy endpoints to be analysed are the percent change in inflammatory lesion count from baseline (Day 0) to week 12 (Day 84) as well as the percent change in total lesion count from baseline (Day 0) to week 12 (Day 84)

Detailed description

Percent change from baseline (Visit 1) to Visit 8 (EoT) assessed by the non-inflammatory lesion count as well as the total lesion count, Percent change in inflammatory lesion count, non-inflammatory lesion count and total lesion count between baseline (Visit 1) and Visit 2, Visit 3, Visit 4, Visit 5, Visit 6 and Visit 7, respectively, Absolute changes in inflammatory lesion count, non-inflammatory lesion count and total lesion count between baseline (Visit 1) and Visit 2, Visit 3, Visit 4, Visit 5, Visit 6, Visit 7 and Visit 8, respectively, Proportion of subjects with a clinical response of “success”, i.e. an IGA score of at least 2 grades less than the baseline assessment, at Visit 8., Change of the Investigator`s Global Assessment (IGA) between baseline (Visit 1) and Visit 2, Visit 3, Visit 4, Visit 5, Visit 6, Visit 7 and Visit 8, respectively. Changes will be calculated as baseline- follow-up., Evaluation of the overall therapeutic success by the investigator and patient at Visit 8, Incidence of adverse events (AEs) during the course of the study, Evaluation of tolerability by the investigator and by the patient from Visit 2 to Visit 8 (EoT)

Interventions

DRUGAcnatac 10mg/g + 0
DRUG25mg/g Gel
DRUGClindamycin Tretinoin Gel
DRUGVehicle to Clindamycin Tretinoin Gel

Sponsors

Dermapharm AG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
Primary efficacy endpoints to be analysed are the percent change in inflammatory lesion count from baseline (Day 0) to week 12 (Day 84) as well as the percent change in total lesion count from baseline (Day 0) to week 12 (Day 84)

Secondary

MeasureTime frame
Percent change from baseline (Visit 1) to Visit 8 (EoT) assessed by the non-inflammatory lesion count as well as the total lesion count, Percent change in inflammatory lesion count, non-inflammatory lesion count and total lesion count between baseline (Visit 1) and Visit 2, Visit 3, Visit 4, Visit 5, Visit 6 and Visit 7, respectively, Absolute changes in inflammatory lesion count, non-inflammatory lesion count and total lesion count between baseline (Visit 1) and Visit 2, Visit 3, Visit 4, Visit 5, Visit 6, Visit 7 and Visit 8, respectively, Proportion of subjects with a clinical response of “success”, i.e. an IGA score of at least 2 grades less than the baseline assessment, at Visit 8., Change of the Investigator`s Global Assessment (IGA) between baseline (Visit 1) and Visit 2, Visit 3, Visit 4, Visit 5, Visit 6, Visit 7 and Visit 8, respectively. Changes will be calculated as baseline- follow-up., Evaluation of the overall therapeutic success by the investigator and patient at Visit

Countries

Germany

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026