- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00491764
A Study to Evaluate Efficacy and Safety of Four Posaconazole Regimens With Placebo and Terbinafine in the Treatment of Toenail Onychomycosis (Study P05082AM2)(COMPLETED)
An Investigator-Blinded Study Evaluating the Efficacy and Safety of Four Posaconazole Treatment Regimens With Placebo and Terbinafine in the Treatment of Onychomycosis of the Toenail
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
The subject must meet ALL the criteria listed below for entry:
- Subject must be between 18 and 75 years of age inclusive, of either sex, and of any race;
- Subject must have distal subungual infection that affects approximately 25% to 75% of at least one great toenail, both clinically and mycologically diagnosed;
- Subject must have at least 2 mm of the proximal end of the target toenail free of infection;
- Subject must have a target toenail that is assessed as capable of growing approximately 1 mm/month, (eg, the subject needs to report cutting his or her toenails at least once per month);
- Subject must have liver function tests within 1.5 x the upper limit of normal (bilirubin and transaminases);
- Subject must have normal serum creatinine levels;
- Subject must be able to take study medication orally;
- Subject must have no history of current narcotic or alcohol addiction;
- Subject must be willing to give written informed consent and able to adhere to dose, procedures, and visit schedules;
- Woman of childbearing potential who is currently sexually active must agree to use a medically accepted method of contraception while receiving protocol-specified medication and for 30 days after stopping the medication. Methods include condoms (male or female) with or without a spermicidal agent, diaphragm or cervical cap with spermicide, medically prescribed intrauterine device, oral or systemic hormonal contraceptive (plus an additional reliable barrier method), and surgical sterilization (eg, hysterectomy or tubal ligation).
Woman of child-bearing potential who is not currently sexually active must agree to use a medically accepted method of contraception should she become sexually active while participating in the study.
- Woman of childbearing potential must have a negative serum pregnancy test within 72 hours prior to start of study drug.
Exclusion Criteria:
The subject will be excluded from entry if ANY of the criteria listed below are met:
Subject with one or more of the following conditions on the target toenail:
- proximal subungual onychomycosis,
- white superficial onychomycosis,
- dermatophytoma or "yellow spike/streak",
- exclusively lateral disease,
- inability to become normal in the opinion of the investigator.
- Subject with psoriasis, severe moccasin-type tinea pedis requiring treatment, symptomatic interdigital tinea pedis, lichen planus, or other abnormalities that could result in a clinically abnormal nail;
- Subject with peripheral vascular disease or peripheral circulatory impairment;
- Subject with history of uncontrolled diabetes mellitus;
- Subject with known chronic or active liver disease;
- Subject with any known immunodeficiency;
- Subject with a family history of long QT syndrome;
- Subject with an electrocardiogram with QTc interval prolongation greater than 450 msec for males and 470 msec for females;
- Subject with potassium or magnesium lower than the lower limit of normal;
- Subject with any clinically significant condition or situation, other than the condition being studied that, in the opinion of the investigator, would interfere with study evaluations or optimal participation in the study;
- Subject who has received systemic antifungal therapy within 3 months or topical antifungal therapy applied to the foot or toenails within 1 month of study entry;
- Subject who has received radiation therapy, chemotherapy, and/or immunosuppressive drugs within 6 months of Randomization, and/or oral corticosteroids for >1 month within the 6 months of Randomization (exception: inhaled steroids);
- Subject using medications known to interact with azoles such as terfenadine, pimozide, quinidine, halofantrine, astemizole, alfentanil, cisapride, HMG-Co A (3-hydroxy-3-methylglutaryl coenzyme A) reductase inhibitors that are metabolized by CYP3A4, and ebastine, within 7 days prior to Randomization; and pravastatin within 14 days prior to Randomization;
- Subject using medications known to lower the serum concentration/efficacy of azoles including rifampin, rifabutin, cimetidine, carbamazepine, phenytoin, barbiturates, and isoniazid, 3 doses or more within 7 days prior to Randomization;
- Subject with a known sensitivity to azoles, POS and/or its excipients, terbinafine and/or its excipients;
- Subject who has been previously enrolled in this study or any other POS investigational trial;
- Subject known to have received treatment with investigational drugs within 30 days prior to enrollment into this study;
- Woman who is breastfeeding, pregnant, or intends to become pregnant;
- Subject who is part of the staff personnel directly involved with this study;
- Subject who is a family member of the investigational study staff.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Posaconazole 100 mg QD for 24 weeks.
Posaconazole oral suspension (40 mg/mL) 100 mg QD for 24 weeks.
|
Posaconazole oral suspension (40 mg/mL) 100 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 200 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 12 weeks.
Other Names:
|
Experimental: Posaconazole 200 mg QD for 24 weeks.
Posaconazole oral suspension (40 mg/mL) 200 mg QD for 24 weeks.
|
Posaconazole oral suspension (40 mg/mL) 100 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 200 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 12 weeks.
Other Names:
|
Experimental: Posaconazole 400 mg QD for 24 weeks.
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 24 weeks.
|
Posaconazole oral suspension (40 mg/mL) 100 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 200 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 12 weeks.
Other Names:
|
Experimental: Posaconazole 400 mg QD for 12 weeks.
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 12 weeks.
|
Posaconazole oral suspension (40 mg/mL) 100 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 200 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 24 weeks.
Other Names:
Posaconazole oral suspension (40 mg/mL) 400 mg QD for 12 weeks.
Other Names:
|
Active Comparator: Terbinafine
Terbinafine 250 mg QD for 12 weeks.
|
Terbinafine 250 mg QD for 12 weeks.
|
Placebo Comparator: Placebo
Placebo for 24 weeks.
|
Placebo for 24 weeks.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Complete Cure of Onychomycosis at Week 48.
Time Frame: Measured at Day 1, Week 2, Week 4, and Every 4 Weeks Thereafter Until Week 48
|
Complete cure is defined as negative mycology (negative culture and KOH [potassium hydroxide]) and 0% nail involvement (defined as absence of onycholysis and subungual hyperkeratosis).
|
Measured at Day 1, Week 2, Week 4, and Every 4 Weeks Thereafter Until Week 48
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Effective Treatment of Onychomycosis at Week 48.
Time Frame: Measured at Day 1, Week 2, Week 4, and Every 4 Weeks Thereafter Until Week 48
|
Effective treatment is defined as negative mycology (negative culture and KOH) and either 0% nail involvement or >5 mm growth of unaffected nail
|
Measured at Day 1, Week 2, Week 4, and Every 4 Weeks Thereafter Until Week 48
|
Treatment Success of Onychomycosis at Week 48
Time Frame: Measured at Day 1, Week 2, Week 4, and Every 4 Weeks Thereafter Until Week 48
|
Treatment success was defined as negative mycology (negative culture and negative KOH) and =<10% nail involvement.
|
Measured at Day 1, Week 2, Week 4, and Every 4 Weeks Thereafter Until Week 48
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Skin Diseases
- Infections
- Bacterial Infections and Mycoses
- Skin Diseases, Infectious
- Mycoses
- Tinea
- Dermatomycoses
- Nail Diseases
- Onychomycosis
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Enzyme Inhibitors
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Cytochrome P-450 Enzyme Inhibitors
- Hormone Antagonists
- Antifungal Agents
- Steroid Synthesis Inhibitors
- Antiprotozoal Agents
- Antiparasitic Agents
- 14-alpha Demethylase Inhibitors
- Trypanocidal Agents
- Posaconazole
- Terbinafine
Other Study ID Numbers
- P05082
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
http://www.merck.com/clinical-trials/pdf/Merck%20Procedure%20on%20Clinical%20Trial%20Data%20Access%20Final_Updated%20July_9_2014.pdf
http://engagezone.msd.com/ds_documentation.php
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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