NCT04044898

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
19

participants targeted

Target at P25-P50 for phase_1

Timeline
Completed

Started Jan 2021

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 1, 2019

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 5, 2019

Completed
1.4 years until next milestone

Study Start

First participant enrolled

January 12, 2021

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 30, 2021

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 6, 2021

Completed
Last Updated

March 17, 2022

Status Verified

March 1, 2022

Enrollment Period

7 months

First QC Date

August 1, 2019

Last Update Submit

March 15, 2022

Conditions

Keywords

Acne vulgaris

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

EXPERIMENTAL
Drug: ALA 5%

High dose

EXPERIMENTAL
Drug: ALA 10%

Interventions

ALA 5%DRUG

prepare 5% ALA solution, apply topically to the affected area for 1.5 hours, single dose

Low dose

prepare 10% ALA solution, apply topically to the affected area for 3 hours, single dose

High dose

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

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

Location

MeSH Terms

Conditions

Acne Vulgaris

Condition Hierarchy (Ancestors)

Acneiform EruptionsSkin DiseasesSkin and Connective Tissue DiseasesSebaceous Gland Diseases

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

Locations