Effect of intralesional zinc sulfate versus cryotherapy on treatment of extragenital warts

Effect of intralesional zinc sulfate versus cryotherapy on treatment of extragenital warts: a single-blind randomized clinical trial

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20120215009014N577

Enrollment

Registered

2025-09-20

Start date

2025-10-02

Completion date

Unknown

Last updated

2025-10-13

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

Conditions

Extragenital warts. Anogenital (venereal) warts

Interventions

Intervention 1: Intervention group: Intralesional injection of 1 ml of 2% zinc sulfate using a 27-gauge insulin syringe diagonally once a week for 8 weeks. Intervention 2: Control group: Placing liqui

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: Age of 18 to 50 years Extragenital warts

Exclusion criteria

Exclusion criteria: Pregnancy Breastfeeding Active skin disease or condition Coagulation disorder Wart treatment in the past two months

Design outcomes

Primary

Measure	Time frame
Response to treatment. Timepoint: Before treatment and at the second, fourth, and eighth weeks after treatment. Method of measurement: By clinical examination and measurement of genital wart diameter.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Maryam Hamidi

Hamedan University of Medical Sciences

maryam_hamidi1370@yahoo.com+98 81 3838 0572

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026