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

Sponsor
Galderma R&D (Industry)
Overall Status
Completed
CT.gov ID
NCT01475071
Collaborator
(none)
100
6
2
12
16.7
1.4

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
  • Drug: Metvix and natural daylight PDT
  • Drug: Metvix and conventional PDT
Phase 3

Study Design

Study Type:
Interventional
Actual Enrollment :
100 participants
Allocation:
Randomized
Intervention Model:
Single Group Assignment
Masking:
Single (Investigator)
Primary Purpose:
Treatment
Official Title:
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 Start Date :
Mar 1, 2012
Actual Primary Completion Date :
Nov 1, 2012
Actual Study Completion Date :
Mar 1, 2013

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

  1. Lesion Response [Week12]

    Percent of lesions treated at Baseline, in complete response at Week 12

  2. 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

Ages Eligible for Study:
18 Years and Older
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  1. Male or female above 18 years;

  2. 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:
  1. Subject with clinical diagnosis of at least one severe AK on TAs

  2. Subject with clinical diagnosis of other skin disease (including non-melanoma skin cancer) on the TAs;

  3. 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.
Responsible Party:
Galderma R&D
ClinicalTrials.gov Identifier:
NCT01475071
Other Study ID Numbers:
  • RD.03.SPR.29102
First Posted:
Nov 21, 2011
Last Update Posted:
Feb 18, 2021
Last Verified:
Mar 1, 2016

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

1. Primary Outcome
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
2. Primary Outcome
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

[Not Specified]

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
Email cyril.moulin@galderma.com
Responsible Party:
Galderma R&D
ClinicalTrials.gov Identifier:
NCT01475071
Other Study ID Numbers:
  • RD.03.SPR.29102
First Posted:
Nov 21, 2011
Last Update Posted:
Feb 18, 2021
Last Verified:
Mar 1, 2016