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A study of Spironolactone in patients with moderate- most severe Acne vulgaris on the face

An open-label, randomized, parallel group study, evaluating the efficacy and safety of Spironolactone in patients with moderate- most severe Acne vulgaris on the face

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs041250218
Enrollment
100
Registered
2026-03-27
Start date
2026-04-21
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Acne vulgaris Acne vulgaris

Interventions

Spironolactone 100mg once daily in the morning

Sponsors

Iwai Atsuko
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1) Patients with acne vulgaris, with at least 12 inflammatory lesions on the face 2) Patients aged between 18 and 59 years at the time of consent 3) Female patients 4) Patients who have not responded to treatment with at least one oral antibiotic for 4 weeks or more 5) Patients who provide written consent to participate in the clinical study.

Exclusion criteria

Exclusion criteria: 1) Patients taking Eplerenone, Esaxerenone 2) Patients taking Tacrolimus 3) Patient with anuria, acute or chronic renal failure 4) Patient with hyperkalaemia. 5) Patient with Addison's disease. 6) Patients with severe liver disease 7) Women who are pregnant, lactating, women who may be pregnant or intend to be pregnant. 8) Patients who are scheduled for local treatment such as peeling, comedone extraction, or laser during the study period. 9) Patients deemed inappropriate by the principal investigator or co-investigator.

Design outcomes

Primary

MeasureTime frame
Change from baseline in inflammatory lesion count at Week 12 on the face

Secondary

MeasureTime frame
Change from baseline in inflammatory lesion count at Week 24 or at discontinuation on the face Changes in inflammatory lesion count at baseline, 12 weeks, and 24 weeks on the face Change from baseline in DLQI at Week 12 and 24 or at discontinuation Change in DLQI from baseline at Week 12 and 24 Change in IGA score from baseline at Week 12 and 24 or at discontinuation Changes in IGA score at baseline, 12 weeks, and 24 weeks Changes and rates of change in serum estradiol from baseline at Week 12 and 24

Contacts

Public ContactAtsuko Iwai

Nagoya City University East Medical Center

atsukoonoa@yahoo.co.jp+81-52-721-7171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026