CoMet: Intra-individual Comparison of Efficacy and Safety of Metvix® Natural Daylight Photodynamic Therapy Versus Conventional Metvix® Photodynamic Therapy in Subject With Mild Actinic Keratoses
Study Details
Study Description
Brief Summary
The main objective of this study is to compare efficacy and safety of Metvix® natural daylight photodynamic therapy with those of Metvix® conventional photodynamic therapy with Aktilite™ lamp in subjects with mild actinic keratoses (intra-individual comparison).
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
|
Phase 3 |
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Experimental: Metvix and daylight
|
Drug: Metvix and natural daylight PDT
Methyl aminolevulinate, cream 160mg/g.One session at baseline and a second session administration at week 12 for lesions showing non-complete response and new lesions on target area.
|
Active Comparator: Metvix and lamp
|
Drug: Metvix and conventional PDT
Methyl aminolevulinate, cream, 160mg/g. One session at baseline and a second session administration at week 12 for lesions showing non-complete response and new lesions on target area.
|
Outcome Measures
Primary Outcome Measures
- Lesion Response [Week12]
Percent of lesions treated at Baseline, in complete response at Week 12
- Pain Score [Baseline (during procedure), assessed after procedure]
Subject self assessment of pain on a scale from 0 (no pain ) to 10 (extreme pain)
Eligibility Criteria
Criteria
Inclusion Criteria:
-
Male or female above 18 years;
-
Subject with clinical diagnosis of mild AK on the face or the scalp with or without clinical diagnosis of moderate AK on the target areas (TAs);
Exclusion Criteria:
-
Subject with clinical diagnosis of at least one severe AK on TAs
-
Subject with clinical diagnosis of other skin disease (including non-melanoma skin cancer) on the TAs;
-
Subject with pigmented AK on the TAs
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Galderma Investigational site | Phillip | Australian Capital Territory | Australia | |
2 | Galderma Investigational Site | Kogarah | New South Wales | Australia | |
3 | Galderma Investigational site | Sydney | New South Wales | Australia | |
4 | Galderma Investigational site | Westmead | New South Wales | Australia | |
5 | Galderma Investigational site | Woolloongabba | Queensland | Australia | |
6 | Galderma Investigational site | Carlton | Victoria | Australia |
Sponsors and Collaborators
- Galderma R&D
Investigators
- Principal Investigator: Stephen Shumack, St George Dermatology and skin Cancer Center
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- RD.03.SPR.29102
Study Results
Participant Flow
Recruitment Details | 100 subjects recruited from March 2012 to May 2012 in private practice and clinic. |
---|---|
Pre-assignment Detail | No significant events |
Arm/Group Title | All Subjects Enrolled |
---|---|
Arm/Group Description | Intra-individual Comparison: all subjects have received Metvix and daylight photodynamic therapy on one side and Metvix and conventional photodynamic therapy on the other side |
Period Title: Overall Study | |
STARTED | 100 |
COMPLETED | 92 |
NOT COMPLETED | 8 |
Baseline Characteristics
Arm/Group Title | All Subjects Enrolled |
---|---|
Arm/Group Description | Intra-individual Comparison: all subjects have received Metvix and daylight photodynamic therapy on one side and Metvix and conventional photodynamic therapy on the other side |
Overall Participants | 100 |
Age (Count of Participants) | |
<=18 years |
0
0%
|
Between 18 and 65 years |
41
41%
|
>=65 years |
59
59%
|
Age (years) [Mean (Standard Deviation) ] | |
Mean (Standard Deviation) [years] |
66.9
(10.5)
|
Sex: Female, Male (Count of Participants) | |
Female |
25
25%
|
Male |
75
75%
|
Region of Enrollment (participants) [Number] | |
Australia |
100
100%
|
Outcome Measures
Title | Lesion Response |
---|---|
Description | Percent of lesions treated at Baseline, in complete response at Week 12 |
Time Frame | Week12 |
Outcome Measure Data
Analysis Population Description |
---|
Only Per Protocol subjects are included in this analysis |
Arm/Group Title | Metvix and Daylight | Metvix and Lamp |
---|---|---|
Arm/Group Description | Metvix and daylight Photodynamic Therapy | Metvix and conventional Phototodynamic Therapy |
Measure Participants | 90 | 90 |
Mean (Standard Deviation) [percentage of lesions complete response] |
89.2
(15.0)
|
92.8
(14.1)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | Metvix and Daylight, Metvix and Lamp |
---|---|---|
Comments | The primary purpose of this study is to demonstrate the non-inferiority of Metvix and daylight compared to Metvix and the lamp in terms of lesion complete response rate. | |
Type of Statistical Test | Non-Inferiority or Equivalence (legacy) | |
Comments | Non inferiority margin of -10% | |
Statistical Test of Hypothesis | p-Value | 0.0345 |
Comments | ||
Method | paired Student's t statistic | |
Comments | ||
Method of Estimation | Estimation Parameter | Mean Difference (Final Values) |
Estimated Value | -3.5 | |
Confidence Interval |
(1-Sided) 95% -6.8 to |
|
Parameter Dispersion |
Type: Standard Deviation Value: 15.6 |
|
Estimation Comments |
Title | Pain Score |
---|---|
Description | Subject self assessment of pain on a scale from 0 (no pain ) to 10 (extreme pain) |
Time Frame | Baseline (during procedure), assessed after procedure |
Outcome Measure Data
Analysis Population Description |
---|
ITT population |
Arm/Group Title | Metvix and Daylight | Metvix and Lamp |
---|---|---|
Arm/Group Description | Metvix and daylight Photodynamic Therapy | Metvix and conventional Phototodynamic Therapy |
Measure Participants | 99 | 99 |
Mean (Standard Deviation) [units on a scale] |
0.8
(1.2)
|
5.7
(2.3)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | Metvix and Daylight, Metvix and Lamp |
---|---|---|
Comments | superiority of Metvix adaylight and Metvix Lamp in term of pain | |
Type of Statistical Test | Superiority or Other (legacy) | |
Comments | ||
Statistical Test of Hypothesis | p-Value | <0.001 |
Comments | ||
Method | Wilcoxon (Mann-Whitney) | |
Comments | two-sided Wilcoxon rank signed | |
Method of Estimation | Estimation Parameter | Mean Difference (Final Values) |
Estimated Value | -4.9 | |
Confidence Interval |
(2-Sided) % to |
|
Parameter Dispersion |
Type: Standard Deviation Value: 2.7 |
|
Estimation Comments |
Adverse Events
Time Frame | From baseline to study end. | |||
---|---|---|---|---|
Adverse Event Reporting Description | ||||
Arm/Group Title | Metvix and Daylight | Metvix and Lamp | ||
Arm/Group Description | Metvix and daylight Photodynamic Therapy | Metvix and conventional Phototodynamic Therapy | ||
All Cause Mortality |
||||
Metvix and Daylight | Metvix and Lamp | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | / (NaN) | / (NaN) | ||
Serious Adverse Events |
||||
Metvix and Daylight | Metvix and Lamp | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 9/100 (9%) | 9/100 (9%) | ||
Cardiac disorders | ||||
acute coronary syndrome | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
coronary artery disease | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Gastrointestinal disorders | ||||
inguinal hernia | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
haemorrhoids | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Infections and infestations | ||||
diverticulitis | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Musculoskeletal and connective tissue disorders | ||||
rotator cuff syndrome | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Neoplasms benign, malignant and unspecified (incl cysts and polyps) | ||||
gastroinstestinal carcinoma | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
prostate cancer | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Respiratory, thoracic and mediastinal disorders | ||||
pulmonary embolism | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Vascular disorders | ||||
deep vein thrombosis | 1/100 (1%) | 1 | 1/100 (1%) | 1 |
Other (Not Including Serious) Adverse Events |
||||
Metvix and Daylight | Metvix and Lamp | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 39/100 (39%) | 59/100 (59%) | ||
Neoplasms benign, malignant and unspecified (incl cysts and polyps) | ||||
squamous cell carcinoma | 6/100 (6%) | 8 | 6/100 (6%) | 8 |
Skin and subcutaneous tissue disorders | ||||
erythema | 2/100 (2%) | 2 | 5/100 (5%) | 5 |
pain of skin | 4/100 (4%) | 4 | 6/100 (6%) | 6 |
photosensitivity reaction | 5/100 (5%) | 5 | 10/100 (10%) | 10 |
scab | 9/100 (9%) | 9 | 9/100 (9%) | 9 |
skin reaction | 24/100 (24%) | 39 | 30/100 (30%) | 41 |
Limitations/Caveats
More Information
Certain Agreements
Principal Investigators are NOT employed by the organization sponsoring the study.
Disclosure agreement covered by contract.
Results Point of Contact
Name/Title | Cyril Moulin |
---|---|
Organization | Galderma |
Phone | +33 4 92 38 30 14 |
cyril.moulin@galderma.com |
- RD.03.SPR.29102