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
COMPLETED
PHASE2
20 participants
1.5 hours after cream application
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
| 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
| 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 applicationPhotoactive porphyrins levels on the skin surface of acne patients, part 1, measured by in vivo fluorescence spectroscopy
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 applicationPhotoactive porphyrins levels on the skin surface of acne patients, part 1, measured by in vivo fluorescence spectroscopy
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 applicationPhotoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy
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 applicationPhotoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy
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 applicationPhotoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy
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 applicationPhotoactive porphyrins levels on the skin surface of acne patients, part 2, measured by in vivo fluorescence spectroscopy
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
3 Areas Per Patient, 24 Hours
Serious adverse events
Adverse event data not reported
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
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place