Pharmacokinetics and Safety of ALA in Acne Vulgaris
A Pharmacokinetics and Safety Study of Aminolevulinic Acid Hydrochloride Topical Powder in Subjects With Moderate to Severe Facial Acne Vulgaris.
1 other identifier
interventional
19
1 country
1
Brief Summary
This study will evaluate the pharmacokinetics and safety of ALA in patients with moderate and severe acne vulgaris after single dose in different dosages.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Jan 2021
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 1, 2019
CompletedFirst Posted
Study publicly available on registry
August 5, 2019
CompletedStudy Start
First participant enrolled
January 12, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 30, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
December 6, 2021
CompletedMarch 17, 2022
March 1, 2022
7 months
August 1, 2019
March 15, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (13)
Maximum Plasma Concentration [Cmax]
pharmacokinetic parameter
24 hours postdose
Area Under the Curve [AUC]
pharmacokinetic parameter
24 hours postdose
Tmax
pharmacokinetic parameter
24 hours postdose
Half-life Time [T1/2]
pharmacokinetic parameter
24 hours postdose
Clearance [CL]
pharmacokinetic parameter
24 hours postdose
Apparent Volume of Distribution [Vd]
pharmacokinetic parameter
24 hours postdose
Maximum Plasma Concentration [Cmax](after deduction of background)
pharmacokinetic parameter
24 hours postdose
Area Under the Curve [AUC](after deduction of background)
pharmacokinetic parameter
24 hours postdose
Tmax(after deduction of background)
pharmacokinetic parameter
24 hours postdose
Half-life Time [T1/2](after deduction of background)
pharmacokinetic parameter
24 hours postdose
Clearance [CL](after deduction of background)
pharmacokinetic parameter
24 hours postdose
Apparent Volume of Distribution [Vd](after deduction of background)
pharmacokinetic parameter
24 hours postdose
Incidence of adverse events
Number of participants with treatment related adverse events as assessed by physical examination, vital signs, clinical laboratory values, local skin responses
2 days postdose
Study Arms (2)
Low dose
EXPERIMENTALHigh dose
EXPERIMENTALInterventions
Eligibility Criteria
You may qualify if:
- Male and female subjects between 18 and 45 years of age (all subjects are male in pilot study);
- Diagnosis of moderate to severe facial acne vulgaris by the clinician according to the Pillsbury International Improvement Classification III-IV criteria;
- Body weight≥50 kg, body mass index (BMI) ≥19 and ≤28 kg/m2;
- Subjects (including male subjects) voluntarily adopt effective physical contraception from 14 days prior to the use of the study drug to 1 month after the end of the study, and have no fertility or donation of sperm/egg plan;
- Subjects voluntarily sign informed consent forms after being informed of the study procedures,requirements and possible adverse reactions of the study drug.
You may not qualify if:
- Suffer from allergic diseases ,suspect or known to have porphyrin disease or known to be allergic to test medication and/or porphyrin, or allergic persons (such as allergies to two or more drugs, food or pollen);
- Allergies to visible light
- Secondary acne patients, such as acne caused by occupational acne and corticosteroids.
- Suffering from malignant tumors and suffering from diseases such as heart, endocrine, blood, liver, immunity, metabolism, urinary system, lungs, nervous system, rheumatism/joint, mental, kidney, etc led the researchers to believe that the subject is not suitable for participating in this study
- Have been treated with systemic Vitamin A acid drugs therapy within 2 months before the study and/or antibiotics or hormonal drugs within 4 weeks before the study
- Used local topical vitamin A acid drugs within the 4 weeks before the study or patients with topical antibiotics, glucocorticoid and other topical treatment of acne drugs within the 2 weeks before the study
- Vaccination within 4 weeks prior to the use of the study drug;
- Severe external injuries were suffered within the first 3 months (90 days) prior to the use of the study drug, or Patients who have undergone surgical treatment may significantly affect the process of studying drugs in vivo or safety assessment;
- Taked clinical trial drugs within 3 months (90 days) prior to the use of the study drug, or be participating in or plan to participate in other clinical trials during the study period.
- Drinking alcohol regularly within 3 months (90 days) prior to the use of the study drug (≥3 times a week, and the average drink is equivalent to 50° white wine ≥200 mL) or can not quit drinking during the study, or alcohol breath test positive
- Smoking cigarettes (more than 10 cigarettes or equivalent of tobacco per day) within 3 months (90 days) prior to the use of the study drug or those who cannot quit smoking during the study;
- Blood loss/blood donation more than 300 mL (except for female physiological blood loss), blood transfusion or blood product use within 3 months (90 days) prior to the use of the study drug, or plan to be blood donors during the study period or 1 month after the end of the study l (30 days) )
- Consumed excessively daily tea, coffee or caffeinated beverages (up to 8 cups per day, 200 mL per cup) within 1 month (30 days) prior to the use of the study drug;
- Drinks or food intake excessive of alcohol or caffeine (coffee, tea, cola, chocolate, etc.) within 48 hours prior to the use of the study drug ;
- Have a history of drug abuse or positive drug abuse screening;
- +6 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Huashan Hospital
Shanghai, Shanghai Municipality, 200040, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 1, 2019
First Posted
August 5, 2019
Study Start
January 12, 2021
Primary Completion
July 30, 2021
Study Completion
December 6, 2021
Last Updated
March 17, 2022
Record last verified: 2022-03
Data Sharing
- IPD Sharing
- Will not share