- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02664740
Standard Treatment Associated With Phage Therapy Versus Placebo for Diabetic Foot Ulcers Infected by S. Aureus (PhagoPied)
Comparison of the Efficacy of Standard Treatment Associated With Phage Therapy Versus Standard Treatment Plus Placebo for Diabetic Foot Ulcers Monoinfected by Staphylococcus Aureus: a Randomized, Multi-centre, Controlled, 2-parallel-group, Double-blind, Superiority Trial
Study Overview
Status
Conditions
Detailed Description
The secondary objectives of this study are:
A. To compare the two study arms in terms of treatment safety and tolerance throughout the study.
B. To compare the two study arms in terms of further changes in wound healing at weeks 2, 4, 6, 8, 10, 12.
C. To describe the changes in the resistance and virulence of S. aureus (if present in the wound) from baseline to week 4, at modification of the first-line treatment or new antibiotic prescription (if any) and at week 12 if the wound is still not healed.
D. To describe in the two study arms the antibiotic resistance status of other bacteria isolated from wounds at week 4, at modification of the first-line treatment or new antibiotic prescription (if any) and at week 12 if the wound is still not healed.
E. To describe in the two study arms changes in wound microbiota from baseline to week 4, at modification of the first-line treatment or new antibiotic prescription (if any) and at week 12 if the wound is still not healed.
F. To describe the production of anti-phage antibodies during the topical treatment: baseline and week 4, at modification of the first-line treatment or new antibiotic prescription (if any), and at week 12.
G. Creation of a biobank for future ancillary studies (including, but not limited to, cytokine levels and cellular immune responses): days 0 and week 4, as well as week 12.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Albert Sotto, MD, PhD
- Phone Number: +33.(0)6.09.56.66.55
- Email: albert.sotto@chu-nimes.fr
Study Locations
-
-
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Bordeaux, France, 33000
- CHU de Bordeaux - Hôpital Pellegrin
-
Principal Investigator:
- Michel Dupon, MD, PhD
-
Le Grau du Roi, France, 30240
- CHRU de Nîmes - Hôpital Universitaire de Réadaptation du Grau du Roi
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Principal Investigator:
- Sophie Schuldiner, MD
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Nantes Cedex 1, France, 44093
- CHU de Nantes - Hotel Dieu
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Principal Investigator:
- David Boutoille, MD, PhD
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Paris, France, 75010
- APHP - Hôpital Lariboisière
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Principal Investigator:
- Jean-François Gautier, MD,PhD
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Paris Cedex 13, France, 75651
- APHP - Groupe Hospitalier Pitié-Salpetrière
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Principal Investigator:
- Agnès Hartemann, MD, PhD
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Toulouse Cedex 9, France, 31059
- CHRU de Toulouse - Hôpital de Rangueil
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Principal Investigator:
- Jacques Martini, MD
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Tourcoing, France, 59200
- CH de Tourcoing
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Principal Investigator:
- Eric Senneville, MD, PhD
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Valenton, France, 94460
- Institut Robert Merle d'Aubigné
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Principal Investigator:
- Gérard Chiesa, MD
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Villeneuve-Saint-Georges, France, 94195
- CH Intercommunal de Villeneuve-Saint-Georges
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Principal Investigator:
- Olivier Patey, MD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Participant pre-inclusion criteria:
- The patient must have given his/her informed and signed consent
- The patient must be insured or beneficiary of a health insurance plan
- The patient is at least 18 years old
- The patient has type 1 or type 2 diabetes
- The patient is hospitalized/consulting in a participating centre
- The patient has a wound below the ankle that has be evolving for >2 weeks
- The target wound is classified as P (1 or 2), E (1-30 cm^2), D (2), I (2) and S (1 or 2) according to the PEDIS classification
Participant final inclusion criteria:
- The patient must have given his/her informed and signed consent
- The patient must be insured or beneficiary of a health insurance plan
- The patient is at least 18 years old
- The patient has type 1 or type 2 diabetes
- The patient is hospitalized/consulting in a participating centre
- The patient has a wound below the ankle that has be evolving for >2 weeks
- The target wound is classified as P (1 or 2), E (1-30 cm^2), D (2), I (2) and S (1 or 2) according to the PEDIS classification
- The patient's wound is mono-infected with Staphylococcus aureus (MRSA or MSSA)
Participant pre-exclusion criteria:
- The patient is participating in, or has participated in over the past three months, another trial
- The patient is participating in, or has participated in over the past three months, another study that may interfere with the results or conclusions of this study
- The patient is in an exclusion period determined by a previous study
- The patient is under judicial protection, or is an adult under guardianship
- It is impossible to correctly inform the patient
- The patient refuses to sign the consent
- The patient is pregnant, parturient or breastfeeding
Participant final exclusion criteria:
- The patient is participating in, or has participated in over the past three months, another trial
- The patient is participating in, or has participated in over the past three months, another study that may interfere with the results or conclusions of this study
- The patient is in an exclusion period determined by a previous study
- The patient is under judicial protection, or is an adult under guardianship
- It is impossible to correctly inform the patient
- The patient refuses to sign the consent
- The patient is pregnant, parturient or breastfeeding
- Patients who have received antibiotics within the 7 days preceding inclusion
- Patients with diabetic foot wounds associated with clinical or radiographic signs of arthritis or osteomyelitis*
- Patients with diabetic foot wounds associated with critical limb ischemia according to P = grade 3 in the PEDIS classification
- Patients whose wound is infected by a pathogen other than S. aureus (includes multi-infections) according to bacteriological sampling performed at the pre-inclusion visit
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Phage therapy
Patients randomized to this arm will have phage therapy. Intervention: Topical anti-Staphylococcus bacteriophage therapy |
Patients randomized to the experimental arm will receive sterile compress dressings impregnated with a phage solution of 10^7 PFU/ml on days 0, 7 and 14 (unless the wound is already healed, i.e. phage solutions are not applied to healed wounds).
|
Placebo Comparator: Placebo
Patients randomized to this arm will have placebo therapy anologous to that of the experimental arm. Intervention: Topical placebo corresponding to anti-Staphylococcus bacteriophage therapy |
Patients randomized to the placebo arm will receive sterile compress dressings impregnated with a placebo solution on days 0, 7 and 14 (unless the wound is already healed, i.e. placebo solutions are not applied to healed wounds).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The relative reduction in wound surface area (%)
Time Frame: 12 weeks
|
12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Wound surface area
Time Frame: 8 weeks
|
8 weeks
|
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Immediate Safety
Time Frame: Day 0, 1 hour after application of experimental dressing
|
The presence/absence of the following symptoms during each 1 hour observation periods following the application of each experimental wound dressing: local side effects (local rash onset or worsening of local inflammatory signs) and general symptoms (vital signs, fever, rash, arthralgia, gastro-intestinal symptoms...) will be performed.
|
Day 0, 1 hour after application of experimental dressing
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Immediate Safety
Time Frame: Day 7, 1 hour after application of experimental dressing
|
The presence/absence of the following symptoms during each 1 hour observation periods following the application of each experimental wound dressing: local side effects (local rash onset or worsening of local inflammatory signs) and general symptoms (vital signs, fever, rash, arthralgia, gastro-intestinal symptoms...) will be performed.
|
Day 7, 1 hour after application of experimental dressing
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Immediate Safety
Time Frame: Day 14, 1 hour after application of experimental dressing
|
The presence/absence of the following symptoms during each 1 hour observation periods following the application of each experimental wound dressing: local side effects (local rash onset or worsening of local inflammatory signs) and general symptoms (vital signs, fever, rash, arthralgia, gastro-intestinal symptoms...) will be performed.
|
Day 14, 1 hour after application of experimental dressing
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The number of MedDRA coded Adverse Events per patient
Time Frame: throughout the study; 12 weeks
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throughout the study; 12 weeks
|
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The presence/absence of abnormal laboratory results
Time Frame: throughout the study; 12 weeks
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throughout the study; 12 weeks
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Wound surface area
Time Frame: 2 weeks
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2 weeks
|
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Wound surface area
Time Frame: 4 weeks
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4 weeks
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Wound surface area
Time Frame: 6 weeks
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6 weeks
|
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Wound surface area
Time Frame: 10 weeks
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10 weeks
|
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Wound surface area
Time Frame: 12 weeks
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12 weeks
|
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Wound depth
Time Frame: 2 weeks
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2 weeks
|
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Wound depth
Time Frame: 4 weeks
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4 weeks
|
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Wound depth
Time Frame: 6 weeks
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6 weeks
|
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Wound depth
Time Frame: 8 weeks
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8 weeks
|
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Wound depth
Time Frame: 10 weeks
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10 weeks
|
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Wound depth
Time Frame: 12 weeks
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12 weeks
|
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Time to healing
Time Frame: censored at 12 weeks
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censored at 12 weeks
|
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The % of completely healed wounds
Time Frame: 12 weeks
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12 weeks
|
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Classification of Staphylococcus isolates as MSSA or MRSA resistant
Time Frame: 4 weeks
|
MSSA: Methicillin-susceptible Staphylococcus aureus MRSA: Methicillin-resistant Staphylococcus aureus What is reported is a binary result: isolates are classified as either "MSSA" or "MRSA" |
4 weeks
|
Classification of Staphylococcus isolates as MSSA or MRSA resistant
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
MSSA: Methicillin-susceptible Staphylococcus aureus MRSA: Methicillin-resistant Staphylococcus aureus What is reported is a binary result: isolates are classified as either "MSSA" or "MRSA" |
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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Classification of Staphylococcus isolates as MSSA or MRSA resistant
Time Frame: at week 12 if the wound is still not healed
|
MSSA: Methicillin-susceptible Staphylococcus aureus MRSA: Methicillin-resistant Staphylococcus aureus What is reported is a binary result: isolates are classified as either "MSSA" or "MRSA" |
at week 12 if the wound is still not healed
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Classification of Staphylococcus isolates according to clonal complexes (virulence classification)
Time Frame: 4 weeks
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4 weeks
|
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Classification of Staphylococcus isolates according to clonal complexes (virulence classification)
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
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Classification of Staphylococcus isolates according to clonal complexes (virulence classification)
Time Frame: at week 12 if the wound is still not healed
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at week 12 if the wound is still not healed
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Presence/absence of non-Staphylococcus aureus bacteria that are antibiotic-resistant
Time Frame: week 0
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week 0
|
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Presence/absence of non-Staphylococcus aureus bacteria that are antibiotic-resistant
Time Frame: week 4
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week 4
|
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Presence/absence of non-Staphylococcus aureus bacteria that are antibiotic-resistant
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
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Presence/absence of non-Staphylococcus aureus bacteria that are antibiotic-resistant
Time Frame: at week 12 if the wound is still not healed
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at week 12 if the wound is still not healed
|
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Wound microbiota: OTU richness
Time Frame: week 0
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OTU: Operational Taxonomic Unit
|
week 0
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Wound microbiota: OTU richness
Time Frame: week 4
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OTU: Operational Taxonomic Unit
|
week 4
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Wound microbiota: OTU richness
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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OTU: Operational Taxonomic Unit
|
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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Wound microbiota: OTU richness
Time Frame: at week 12 if the wound is still not healed
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OTU: Operational Taxonomic Unit
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at week 12 if the wound is still not healed
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Wound microbiota: Shannon's Diversity
Time Frame: week 0
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week 0
|
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Wound microbiota: Shannon's Diversity
Time Frame: week 4
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week 4
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Wound microbiota: Shannon's Diversity
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
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Wound microbiota: Shannon's Diversity
Time Frame: at week 12 if the wound is still not healed
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at week 12 if the wound is still not healed
|
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Wound microbiota: Functional richness
Time Frame: week 0
|
week 0
|
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Wound microbiota: Functional richness
Time Frame: week 4
|
week 4
|
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Wound microbiota: Functional richness
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
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Wound microbiota: Functional richness
Time Frame: at week 12 if the wound is still not healed
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at week 12 if the wound is still not healed
|
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Wound microbiota: Functional diversity
Time Frame: week 0
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week 0
|
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Wound microbiota: Functional diversity
Time Frame: week 4
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week 4
|
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Wound microbiota: Functional diversity
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
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Wound microbiota: Functional diversity
Time Frame: at week 12 if the wound is still not healed
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at week 12 if the wound is still not healed
|
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Wound microbiota: the relative abundance of Staphylococcus relative to other bacteria in the wound
Time Frame: week 0
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week 0
|
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Wound microbiota: the relative abundance of Staphylococcus relative to other bacteria in the wound
Time Frame: week 4
|
week 4
|
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Wound microbiota: the relative abundance of Staphylococcus relative to other bacteria in the wound
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
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at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
|
Wound microbiota: the relative abundance of Staphylococcus relative to other bacteria in the wound
Time Frame: at week 12 if the wound is still not healed
|
at week 12 if the wound is still not healed
|
|
Wound microbiota: the number of Staphylococcus strains in a wound
Time Frame: week 0
|
week 0
|
|
Wound microbiota: the number of Staphylococcus strains in a wound
Time Frame: week 4
|
week 4
|
|
Wound microbiota: the number of Staphylococcus strains in a wound
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
|
Wound microbiota: the number of Staphylococcus strains in a wound
Time Frame: at week 12 if the wound is still not healed
|
at week 12 if the wound is still not healed
|
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Wound microbiota: the relative abundance of Staphylococcus aureus relative to other bacteria in the wound
Time Frame: week 0
|
week 0
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other bacteria in the wound
Time Frame: week 4
|
week 4
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other bacteria in the wound
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other bacteria in the wound
Time Frame: at week 12 if the wound is still not healed
|
at week 12 if the wound is still not healed
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other Staphylococcus in the wound
Time Frame: week 0
|
week 0
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other Staphylococcus in the wound
Time Frame: week 4
|
week 4
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other Staphylococcus in the wound
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
|
Wound microbiota: the relative abundance of Staphylococcus aureus relative to other Staphylococcus in the wound
Time Frame: at week 12 if the wound is still not healed
|
at week 12 if the wound is still not healed
|
|
Wound microbiota: ordination scores on each of two principal components extracted from UniFrac distances between all bacterial samples taken during the study
Time Frame: week 0
|
week 0
|
|
Wound microbiota: ordination scores on each of two principal components extracted from UniFrac distances between all bacterial samples taken during the study
Time Frame: week 4
|
week 4
|
|
Wound microbiota: ordination scores on each of two principal components extracted from UniFrac distances between all bacterial samples taken during the study
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
|
Wound microbiota: ordination scores on each of two principal components extracted from UniFrac distances between all bacterial samples taken during the study
Time Frame: at week 12 if the wound is still not healed
|
at week 12 if the wound is still not healed
|
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The presence/absence of anti-phage antibodies in plasma samples
Time Frame: week 0
|
week 0
|
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The presence/absence of anti-phage antibodies in plasma samples
Time Frame: week 4
|
week 4
|
|
The presence/absence of anti-phage antibodies in plasma samples
Time Frame: at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
at modification of the first-line treatment or new antibiotic prescription (if any; most likey at 14 days and before 12 weeks)
|
|
The presence/absence of anti-phage antibodies in plasma samples
Time Frame: at week 12 if the wound is still not healed
|
at week 12 if the wound is still not healed
|
Collaborators and Investigators
Collaborators
Investigators
- Study Director: Albert Sotto, MD, PhD, Centre Hospitalier Universitaire de Nîmes
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Skin Diseases
- Infections
- Endocrine System Diseases
- Diabetic Angiopathies
- Leg Ulcer
- Skin Ulcer
- Diabetes Complications
- Diabetes Mellitus
- Diabetic Neuropathies
- Foot Diseases
- Bacterial Infections
- Bacterial Infections and Mycoses
- Gram-Positive Bacterial Infections
- Diabetic Foot
- Foot Ulcer
- Staphylococcal Infections
Other Study ID Numbers
- PHRC-N/2015/AS-01
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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