Trial Outcomes & Findings for Photoactive Porphyrins (PAP) Levels After Topical Visonac Application in Acne Patients (NCT NCT01160848)

NCT ID: NCT01160848

Last Updated: 2014-05-20

Results Overview

Photoactive porphyrins levels on the skin surface of acne patients, part 1, measured by in vivo fluorescence spectroscopy

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

20 participants

Primary outcome timeframe

1.5 hours after cream application

Results posted on

2014-05-20

Participant Flow

The study was conducted in one center in the US: Michael Jarratt M.D. DermResearch Inc. 8140 N Mopac Building 3, Suite 120 Austin, TX 78759. First patient entered the study on the 8th of November 2010 Last patient last visit on the 9th January 2011

Participant milestones

Participant milestones
Measure
3 Areas Per Patient, 3 Hours
Visonac : MAL 80 mg/g Group 1: Alcohol wipe and Visonac without occlusion Group 2: Saline wipe and Visonac with occlusion Group 3: Saline wipe and Visonac without occlusion
3 Areas Per Patient, 24 Hours
Group 1: Visonac left on skin for 1 hour Group 2: Visonac left on skin for 24 hours, area 1 Group 3: Visonac left on skin for 24 hours, area 2
Overall Study
STARTED
12
8
Overall Study
COMPLETED
12
8
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Photoactive Porphyrins (PAP) Levels After Topical Visonac Application in Acne Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
3 Areas Per Patient, 3 Hours
n=12 Participants
3 Areas Per Patient, 24 Hours
n=8 Participants
Total
n=20 Participants
Total of all reporting groups
Age, Categorical
<=18 years
7 Participants
n=5 Participants
8 Participants
n=7 Participants
15 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
n=5 Participants
0 Participants
n=7 Participants
5 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
3 Participants
n=7 Participants
7 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
5 Participants
n=7 Participants
13 Participants
n=5 Participants
Region of Enrollment
United States
12 participants
n=5 Participants
8 participants
n=7 Participants
20 participants
n=5 Participants
Fluoresence intensity
Alcohol wipe and Visonac without occlusion
10.5 Fluoresence intensity unit
FULL_RANGE 5.0 • n=5 Participants
NA Fluoresence intensity unit
n=7 Participants
10.5 Fluoresence intensity unit
n=5 Participants
Fluoresence intensity
Saline wipe and Visonac with occlusion
11.2 Fluoresence intensity unit
n=5 Participants
NA Fluoresence intensity unit
n=7 Participants
11.2 Fluoresence intensity unit
n=5 Participants
Fluoresence intensity
Saline wipe and Visonac without occlusion
10.8 Fluoresence intensity unit
n=5 Participants
NA Fluoresence intensity unit
n=7 Participants
10.8 Fluoresence intensity unit
n=5 Participants
Fluoresence intensity
Visonac left on skin for 1 hour
NA Fluoresence intensity unit
n=5 Participants
9.3 Fluoresence intensity unit
n=7 Participants
9.3 Fluoresence intensity unit
n=5 Participants
Fluoresence intensity
Visonac left on skin for 24 hours, area 1
NA Fluoresence intensity unit
n=5 Participants
10.5 Fluoresence intensity unit
n=7 Participants
10.5 Fluoresence intensity unit
n=5 Participants
Fluoresence intensity
Visonac left on skin for 24 hours, area 2
NA Fluoresence intensity unit
n=5 Participants
10.6 Fluoresence intensity unit
n=7 Participants
10.6 Fluoresence intensity unit
n=5 Participants

PRIMARY outcome

Timeframe: 1.5 hours after cream application

Photoactive porphyrins levels on the skin surface of acne patients, part 1, measured by in vivo fluorescence spectroscopy

Outcome measures

Outcome measures
Measure
Part 1: Area Cleaned With Saline and Occluded With Tegaderm
n=12 Participants
Area Cleaned With Saline
n=12 Participants
Area Cleaned With Ethyl Alcohol Solution
n=12 Participants
Photoactive Porphyrins Level
33.0 Fluorescence intensity unit
Interval 24.8 to 41.3
24.8 Fluorescence intensity unit
Interval 20.4 to 29.1
19.7 Fluorescence intensity unit
Interval 15.2 to 24.1

PRIMARY outcome

Timeframe: 3 hours after cream application

Photoactive porphyrins levels on the skin surface of acne patients, part 1, measured by in vivo fluorescence spectroscopy

Outcome measures

Outcome measures
Measure
Part 1: Area Cleaned With Saline and Occluded With Tegaderm
n=12 Participants
Area Cleaned With Saline
n=12 Participants
Area Cleaned With Ethyl Alcohol Solution
n=12 Participants
Photoactive Porphyrins Level
59.3 Fluorescence intensity unit
Interval 45.4 to 73.2
38.3 Fluorescence intensity unit
Interval 31.6 to 45.1
30.1 Fluorescence intensity unit
Interval 23.2 to 37.0

PRIMARY outcome

Timeframe: 3 hours after cream application

Photoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy

Outcome measures

Outcome measures
Measure
Part 1: Area Cleaned With Saline and Occluded With Tegaderm
n=8 Participants
Area Cleaned With Saline
n=8 Participants
Area Cleaned With Ethyl Alcohol Solution
n=8 Participants
Photoactive Porphyrins Level
35.3 Fluorescence intensity unit
Interval 16.4 to 54.1
33.5 Fluorescence intensity unit
Interval 20.4 to 46.6
37.3 Fluorescence intensity unit
Interval 21.4 to 53.1

PRIMARY outcome

Timeframe: 8 hours after cream application

Photoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy

Outcome measures

Outcome measures
Measure
Part 1: Area Cleaned With Saline and Occluded With Tegaderm
n=8 Participants
Area Cleaned With Saline
n=8 Participants
Area Cleaned With Ethyl Alcohol Solution
n=8 Participants
Photoactive Porphyrins Level
21.6 Fluorescence intensity unit
Interval 12.4 to 30.8
38.2 Fluorescence intensity unit
Interval 23.1 to 53.3
44.3 Fluorescence intensity unit
Interval 24.6 to 64.1

PRIMARY outcome

Timeframe: 12 hours after cream application

Photoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy

Outcome measures

Outcome measures
Measure
Part 1: Area Cleaned With Saline and Occluded With Tegaderm
n=8 Participants
Area Cleaned With Saline
n=8 Participants
Area Cleaned With Ethyl Alcohol Solution
n=8 Participants
Photoactive Porphyrins Level
16.8 Fluorescence intensity unit
Interval 11.8 to 21.8
33.9 Fluorescence intensity unit
Interval 23.5 to 44.4
38.1 Fluorescence intensity unit
Interval 21.8 to 54.5

PRIMARY outcome

Timeframe: 24 hours after cream application

Photoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy

Outcome measures

Outcome measures
Measure
Part 1: Area Cleaned With Saline and Occluded With Tegaderm
n=8 Participants
Area Cleaned With Saline
n=8 Participants
Area Cleaned With Ethyl Alcohol Solution
n=8 Participants
Photoactive Porphyrins Level
13.1 Fluorescence intensity unit
Interval 8.5 to 17.7
25.8 Fluorescence intensity unit
Interval 17.0 to 34.6
25.9 Fluorescence intensity unit
Interval 17.6 to 34.2

Adverse Events

3 Areas Per Patient, 3 Hours

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

3 Areas Per Patient, 24 Hours

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
3 Areas Per Patient, 3 Hours
n=12 participants at risk
3 Areas Per Patient, 24 Hours
n=8 participants at risk
Skin and subcutaneous tissue disorders
Itching
25.0%
3/12 • Number of events 3
50.0%
4/8 • Number of events 4
Skin and subcutaneous tissue disorders
Erythema
33.3%
4/12 • Number of events 5
25.0%
2/8 • Number of events 4
Skin and subcutaneous tissue disorders
Increased number of pimples
8.3%
1/12 • Number of events 1
12.5%
1/8 • Number of events 1
Skin and subcutaneous tissue disorders
Burning
0.00%
0/12
12.5%
1/8 • Number of events 1

Additional Information

Project Director

Photocure ASA

Phone: +47 22062210

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place