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Comparison of intralesional acyclovir injection versus cryotherapy for the treatment of extragenital warts

Comparison of the efficacy and safety of intralesional acyclovir injection versus cryotherapy in the treatment of extragenital cutaneous warts: a randomized controlled tria

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20160523028008N37
Enrollment
72
Registered
2026-01-02
Start date
2026-01-10
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Extragenital cutaneous warts. Plantar wart

Interventions

Intervention 1: Intervention group: Patients in the intervention group receive intralesional injections of acyclovir at a concentration of 70 mg/mL (prepared by diluting a 250 mg vial with 3.5 mL norm
for lesions larger than 10 mm, injections are spaced 5 mm apart). Treatment sessions are repeated every 2 weeks until complete clearance or for a maximum of 4 sessions. Intervention 2: Control group:

Sponsors

Hamedan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Age over 18 years. No systemic treatments received in the past 3 months and no topical treatments in the past 4 weeks. Not pregnant or breastfeeding. No open wounds, active infection, or other active skin diseases at the treatment site No active coagulation disorders. No history of cold sensitivity or cold urticaria.

Exclusion criteria

Exclusion criteria: Abnormal kidney function tests. History of seizures. Tendency to keloid formation.

Design outcomes

Primary

MeasureTime frame
Complete clearance rate of extragenital cutaneous warts (proportion of patients achieving complete resolution of all treated warts). Timepoint: Assessed at 2 weeks after the final treatment session (up to a maximum of 4 sessions, with sessions spaced 2 weeks apart). Method of measurement: Clinical examination combined with photographic documentation; complete clearance defined as the absence of any visible wart lesions with restoration of normal skin lines and color.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactNiloofar Taherloo

Hamedan University of Medical Sciences

niloofartaherloo@gmail.com+98 930 543 8269

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026