A Trial Examining the Treatment of Common Warts With Combination Liquid Nitrogen (LN2) and Cantharidin

NCT ID: NCT01084824

Last Updated: 2010-03-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-06-30

Study Completion Date

2008-09-30

Brief Summary

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The purpose of the study was to see if liquid nitrogen, a commonly used treatment for warts, is more effective if it is used alone, or if it is more effective if combined with cantharidin, a topical treatment also commonly used for warts (verruca vulgaris).

Detailed Description

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Conditions

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Verruca Vulgaris

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Liquid nitrogen and canthardin

Liquid nitrogen applied to wart(s), then cantharidin 1% topical applied afterwards.

Group Type ACTIVE_COMPARATOR

Liquid nitrogen and cantharidin

Intervention Type DRUG

Liquid nitrogen applied to wart(s), then cantharidin 1% topical applied afterward.

Liquid nitrogen and placebo

Liquid nitrogen applied to wart(s) then placebo vehicle afterwards.

Group Type PLACEBO_COMPARATOR

Liquid nitrogen and topical placebo

Intervention Type DRUG

Liquid nitrogen applied to wart(s), then placebo vehicle applied thereafter.

Interventions

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Liquid nitrogen and cantharidin

Liquid nitrogen applied to wart(s), then cantharidin 1% topical applied afterward.

Intervention Type DRUG

Liquid nitrogen and topical placebo

Liquid nitrogen applied to wart(s), then placebo vehicle applied thereafter.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. common warts on non-genital, non-facial skin
2. otherwise healthy
3. between 18-65 and able to give informed consent
4. capable of tolerating treatment

Exclusion Criteria

1. Ill-health
2. Poor tolerance or sensitivity to treatments in study
3. \<18 years old; \>65 years old
4. verruca plana or condyloma acuminata
5. immunosuppression or immune dysfunction
6. significant peripheral vascular disease
7. significant sensitivity to cold
8. epidermodysplasia verruciformis
9. mosaiform warts or periungual warts
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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North Idaho Dermatology

OTHER

Sponsor Role lead

Responsible Party

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North Idaho Dermatology, TUI University

Principal Investigators

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Richard A Flygare, PhD

Role: PRINCIPAL_INVESTIGATOR

TUI University; North Idaho Dermatology

Locations

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North Idaho Dermatology

Coeur d'Alene, Idaho, United States

Site Status

Countries

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United States

References

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Berth-Jones J, Bourke J, Eglitis H, Harper C, Kirk P, Pavord S, Rajapakse R, Weston P, Wiggins T, Hutchinson PE. Value of a second freeze-thaw cycle in cryotherapy of common warts. Br J Dermatol. 1994 Dec;131(6):883-6. doi: 10.1111/j.1365-2133.1994.tb08594.x.

Reference Type BACKGROUND
PMID: 7857844 (View on PubMed)

Guidelines of care for cryosurgery. American Academy of Dermatology Committee on Guidelines of Care. J Am Acad Dermatol. 1994 Oct;31(4):648-53. No abstract available.

Reference Type BACKGROUND
PMID: 8089292 (View on PubMed)

Moed L, Shwayder TA, Chang MW. Cantharidin revisited: a blistering defense of an ancient medicine. Arch Dermatol. 2001 Oct;137(10):1357-60. doi: 10.1001/archderm.137.10.1357.

Reference Type BACKGROUND
PMID: 11594862 (View on PubMed)

Other Identifiers

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NID-001

Identifier Type: -

Identifier Source: org_study_id

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