A Phase 3 interventional study of Candin, Intradermal Solution and Placebo in Common Warts (Verruca Vulgaris), sponsored by Nielsen BioSciences, Inc.. Completed at 18 sites in United States. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2025-09-05.
Sponsored by Nielsen BioSciences, Inc. · Phase 3, Interventional, and Treatment
The goal of this clinical trial is to compare outcome in healthy subjects 12 years of age and older with at least 3, but no more than 20, common warts (Verruca vulgaris) following treatment with Candin or placebo. The main questions it aims to answer are:
This study involves a comparison of an equal volume injection of Candin with an injection of placebo (unpreserved normal saline solution) in common warts. Subjects will be randomized 2:1 to receive Candin or placebo. During the Treatment Period, 1 dose (0.5 mL) of investigational product (IP) will be injected every 2 weeks into a single treatment wart until either clinical clearance of the treatment wart is achieved or a total of 10 injections have been administered.
Subjects achieving clinical clearance of the treatment wart will receive a final injection at the site of the cleared wart and then immediately enter the Observational Period for 12 weeks. Complete resolution is achieved when a subject demonstrates clinical clearance for 12 weeks.
171 studies on the registry are indexed under Warts; 35 are open to participants now.
This study's enrollment of 330 is above the median of 70 across 155 interventional studies indexed under Warts.
Browse Warts studies →Nielsen BioSciences, Inc. is the lead sponsor of 5 studies on the registry; none are open to participants now.
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Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.
Read whether the line is about a condition or about medicines, and which medicines and doses it means.
Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.
Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Contraception
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hypersensitivity
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Immunosuppression
A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.
Read whether the line is about a condition or about medicines, and which medicines and doses it means.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Corticosteroids (steroids)
Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.
Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Candida albicans Skin Test Antigen for Cellular Hypersensitivity will be administered as a 0.5 mL injection at the region of the interdigitated base of the treatment wart (epidermal/dermal junction) every 2 weeks for up to 10 injections
Drug: Candin, Intradermal Solution
Matching placebo (sterile saline) will be administered as a 0.5 mL injection at the region of the interdigitated base of the treatment wart (epidermal/dermal junction) every 2 weeks for up to 10 injections
Drug: Placebo
Injection at the base of the selected wart
Injection at the base of the selected wart
Number of participants with complete resolution of the treatment wart
Absence of visual or measurable wart maintained through the entire Observational Period for injected wart
Time frame: Twelve weeks after last injection
Time to wart clearance
Time from first injection to achieving clinical clearance of the treatment wart. Clinical clearance is no evidence of the wart by visual inspection.
Time frame: Up to 27 weeks
Number of participants with clinical clearance of at least 50% of all measured warts
The injected wart and up to five other warts will be measured. Clinical clearance is no evidence of the wart by visual inspection.
Time frame: Up to 27 weeks
Number of participants with clinical clearance of all measured warts
The injected wart and up to five other warts will be measured. Clinical clearance is no evidence of the wart by visual inspection.
Time frame: Up to 27 weeks
Time to clinical clearance of all measured warts
The injected wart and up to five other warts will be measured. Clinical clearance is no evidence of the wart by visual inspection.
Time frame: Up to 27 weeks
Plan to share: No
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This study is completed, as verified in Aug 2025. You cannot join it, but the record below documents what was studied.
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Nielsen BioSciences, Inc.