The study is a two part study, designed to validate safety results from the Phase 1 PP405-001 trial while also characterizing longer term safety and PK. Part 1 of the trial is the randomized controlled portion that will focus on safety and PK following 28 days of blinded treatment administration with either PP405 or vehicle control. Part 2 of the trial is an open-label extension that will validate the results of Part 1 with 3 months of treatment administration.
Safety, Pharmacokinetics, and Efficacy Study of PP405 in subjects with Androgenetic Alopecia.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
78
Medicated topical gel containing PP405 0.05%, applied once daily to the scalp
Vehicle = placebo topical gel
California Dermatology & Clinical Research Institute
Encinitas, California, United States
Clinical Trials Research Institute
Thousand Oaks, California, United States
Dawes Fretzin Clinical Research Group, LLC
Indianapolis, Indiana, United States
Minnesota Clinical Study Center
Percentage of Subjects With Adverse Events
An adverse event that was not present when the active phase of the study began and was not a chronic condition that was part of the subject's medical history; or, it was present at the start of the active phase of the study or as part of the subject's medical history, but the severity or frequency increased during the active phase
Time frame: Baseline to Day 84 of the randomized portion of the study
Percentage of Subjects With Adverse Events
An adverse event that was not present when the active phase of the study began and was not a chronic condition that was part of the subject's medical history; or, it was present at the start of the active phase of the study or as part of the subject's medical history, but the severity or frequency increased during the active phase
Time frame: Baseline to Day 84 of the open label extension portion of the study
Change in Local Dermal Tolerability as Assessed by Subject and Investigator
Local skin reaction treatment emergent adverse events such as burning, pruritis, erythema
Time frame: Post-dose at day 28 of the randomized portion of the study
Change in Local Dermal Tolerability as Assessed by Subject and Investigator
Local skin reaction treatment emergent adverse events such as burning, pruritis, erythema
Time frame: Post-dose at day 84 of the open label extension portion of the study
Change From Baseline in Blood Pressure
Change from baseline in blood pressure in the safety analysis population (day 84 minus baseline)
Time frame: Baseline to Day 84 of the randomized portion of the study
Change From Baseline in Pulse Rate
Change from baseline in pulse rate in the safety analysis population (day 84 minus baseline)
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New Brighton, Minnesota, United States
DermResearch
Austin, Texas, United States
Stride Clinical Research LLC
Sugar Land, Texas, United States
Jordan Valley Dermatology Center
South Jordan, Utah, United States
Virginia Clinical Research, Inc.
Norfolk, Virginia, United States
Time frame: Baseline to Day 84 of the randomized portion of the study
Change From Baseline in Temperature
Change from baseline in temperature in the safety analysis population (day 84 minus baseline)
Time frame: Baseline to Day 84 of the randomized portion of the study
Change From Baseline in Respiratory Rate
Change from baseline in respiratory rate in the safety analysis population (day 84 minus baseline)
Time frame: Baseline to Day 84 of the randomized portion of the study
Change From Baseline in Weight
Change from baseline in weight in the safety analysis population (day 84 minus baseline)
Time frame: Baseline to Day 84 of the randomized portion of the study
Change From Baseline in Blood Pressure
Change from baseline in blood pressure in the safety analysis population (open label extension day 84 minus open label extension baseline)
Time frame: Baseline to Day 84 of the open label extension portion of the study
Change From Baseline in Pulse Rate
Change from baseline in pulse rate in the safety analysis population (open label extension day 84 minus open label extension baseline)
Time frame: Baseline to Day 84 of the open label extension portion of the study
Change From Baseline in Temperature
Change from baseline in temperature in the safety analysis population (open label extension day 84 minus open label extension baseline)
Time frame: Baseline to Day 84 of the open label extension portion of the study
Change From Baseline in Respiratory Rate
Change from baseline in respiratory rate in the safety analysis population (open label extension day 84 minus open label extension baseline)
Time frame: Baseline to Day 84 of the open label extension portion of the study
Change From Baseline in Weight
Change from baseline in weight in the safety analysis population (open label extension day 84 minus open label extension baseline)
Time frame: Baseline to Day 84 of the open label extension portion of the study
Change From Baseline in Mean Electrocardiogram Heart Rate
Electrocardiogram mean heart rate was compared to baseline (day 28 minus baseline)
Time frame: Baseline to day 28 of the randomized portion of the study
Change From Baseline in Electrocardiogram (ECG) Results
Electrocardiograms results were compared to baseline (day 28 minus baseline)
Time frame: Baseline to day 28 of the randomized portion of the study
Change From Baseline in Mean Electrocardiogram Heart Rate
Mean Electrocardiogram Heart Rate was compared to baseline of the open label extension study (day 84 minus baseline)
Time frame: Baseline to day 84 of the open label extension portion of the study
Change From Baseline in Electrocardiograms (ECGs)
Electrocardiograms results were compared to baseline of the open label extension study (day 84 minus baseline)
Time frame: Baseline to day 84 of the open label extension portion of the study
Abnormal Laboratory Values
Chemistry and hematology laboratory values were recorded as normal or abnormal (low or high)
Time frame: Day 28 post baseline in the randomized portion of the study
Abnormal Laboratory Values
Chemistry and hematology laboratory values were recorded as normal or abnormal (low or high)
Time frame: Day 84 post baseline in the open label extension portion of the study
Pharmacokinetics of PP405
To assess the concentration of PP405 in plasma at 2 hours (±10 minutes) post-dose on day 1, day 14, and day 28
Time frame: Baseline to Day 28 of the randomized portion of the study
Pharmacokinetics of PP405
To assess the concentration of PP405 in plasma at 2 hours (±10 minutes) post-dose on day 1, day 28, day 56, and day 84 of the open label extension
Time frame: Baseline to Day 84 of the open label extension portion of the study