Trial Outcomes & Findings for Safety and Efficacy of an Antibiotic Sponge in Diabetic Patients With a Mild Infection of a Foot Ulcer (NCT NCT00593567)

NCT ID: NCT00593567

Last Updated: 2022-05-31

Results Overview

Number of Participants with a clinical outcome of "clinical cure" at final visit. Clinical Cure is defined as positive clinical response and with pathogen eradication.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

70 participants

Primary outcome timeframe

Final Study Visit (Day 21 [or 28 or 35])

Results posted on

2022-05-31

Participant Flow

Participant milestones

Participant milestones
Measure
Gentamicin Sponge
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Overall Study
STARTED
48
22
Overall Study
COMPLETED
28
12
Overall Study
NOT COMPLETED
20
10

Reasons for withdrawal

Reasons for withdrawal
Measure
Gentamicin Sponge
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Overall Study
Adverse Event
2
0
Overall Study
Physician Decision
2
0
Overall Study
Protocol Violation
13
7
Overall Study
Lack of Efficacy
2
1
Overall Study
Withdrawal by Subject
1
2

Baseline Characteristics

Safety and Efficacy of an Antibiotic Sponge in Diabetic Patients With a Mild Infection of a Foot Ulcer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Gentamicin Sponge
n=47 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=22 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Total
n=69 Participants
Total of all reporting groups
Age, Continuous
59.6 Years
STANDARD_DEVIATION 10.54 • n=5 Participants
58.9 Years
STANDARD_DEVIATION 14.04 • n=7 Participants
59.4 Years
STANDARD_DEVIATION 11.57 • n=5 Participants
Sex: Female, Male
Female
29 Participants
n=5 Participants
12 Participants
n=7 Participants
41 Participants
n=5 Participants
Sex: Female, Male
Male
18 Participants
n=5 Participants
10 Participants
n=7 Participants
28 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
6 Participants
n=5 Participants
4 Participants
n=7 Participants
10 Participants
n=5 Participants
Race (NIH/OMB)
White
40 Participants
n=5 Participants
17 Participants
n=7 Participants
57 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Final Study Visit (Day 21 [or 28 or 35])

Population: Modified Intent-to-Treat Population

Number of Participants with a clinical outcome of "clinical cure" at final visit. Clinical Cure is defined as positive clinical response and with pathogen eradication.

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=34 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=15 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Number of Participants With a Clinical Outcome of "Clinical Cure"
14 Participants
7 Participants

SECONDARY outcome

Timeframe: Each time point (Day 3, 7 [14 and 21 if necessary])

Population: Modified intent to treat population.

Number of participants with a clinical outcome of "clinical cure" in each treatment group at/by each time point (except the Final Study Visit). Clinical Cure is defined as positive clinical response and with pathogen eradication.

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=34 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=15 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Number of Participants With a Clinical Outcome of "Clinical Cure" in Each Treatment Group
Visit 2 Day 3
0 Participants
0 Participants
Number of Participants With a Clinical Outcome of "Clinical Cure" in Each Treatment Group
Visit 3 Day 7
4 Participants
0 Participants
Number of Participants With a Clinical Outcome of "Clinical Cure" in Each Treatment Group
Visit 4 Day 14
4 Participants
6 Participants
Number of Participants With a Clinical Outcome of "Clinical Cure" in Each Treatment Group
Visit 5 Day 21
8 Participants
0 Participants
Number of Participants With a Clinical Outcome of "Clinical Cure" in Each Treatment Group
Final Study Visit
14 Participants
7 Participants

SECONDARY outcome

Timeframe: assessed at each time point on days 7, 14, 21, time to pathogen eradication from baseline up to day 21 reported

Population: mITT

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=31 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=14 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Time to Baseline Pathogen Eradication
7.0 Days
Interval 7.0 to 8.0
14.5 Days
Interval 7.0 to
Upper boundary not reached

SECONDARY outcome

Timeframe: At each timepoint Day 3, 7, 14 & 21

Population: mITT

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=34 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=15 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Number of Participants With Complete Wound Closure by Each Visit
Visit 2 Day 3
0 Participants
0 Participants
Number of Participants With Complete Wound Closure by Each Visit
Visit 3 Day 7
2 Participants
0 Participants
Number of Participants With Complete Wound Closure by Each Visit
Visit 4 Day 14
3 Participants
2 Participants
Number of Participants With Complete Wound Closure by Each Visit
Visit 5 Day 21
4 Participants
2 Participants

SECONDARY outcome

Timeframe: Actual time assessed (Day 1, 3, 7 [14 and 21 if necessary] and Day 21 [or 28 or 35])

Population: Modified ITT

Time to Clinical Cure is measured by days to the first observed cure. Clinical Cure is defined as positive clinical response and with pathogen eradication.

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=34 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=15 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Time to Clinical Cure
22.0 Days
Interval 21.0 to
17 patients censored
NA Days
Interval 14.0 to
8 out of 15 patients censored

SECONDARY outcome

Timeframe: Actual time assessed (Day 1-21

Population: Micro Modified Intent-to-Treat Population

Time to Baseline Pathogen Eradication summed

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=30 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=14 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Time to Pathogen Eradication
7.0 Days
Interval 7.0 to 8.0
14.5 Days
Interval 7.0 to
not able to calculate high boundary

SECONDARY outcome

Timeframe: (Day 1, 3, 7 [14 and 21 if necessary] and Day 21 [or 28 or 35])

Population: mITT

Outcome measures

Outcome measures
Measure
Gentamicin Sponge
n=34 Participants
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=15 Participants
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Time to Positive Clinical Response
2.0 Days
Interval 2.0 to 3.0
3.0 Days
Interval 2.0 to 3.0

Adverse Events

Gentamicin Sponge

Serious events: 0 serious events
Other events: 15 other events
Deaths: 0 deaths

Levofloxacin

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Gentamicin Sponge
n=47 participants at risk
Daily topical gentamicin sponge and standard daily wound care gentamicin-collagen sponge: Inserted daily into open ulcer
Levofloxacin
n=22 participants at risk
Daily oral levofloxacin 750 mg and standard daily wound care Levofloxacin: 750mg oral levofloxacin daily
Gastrointestinal disorders
Diarrhoea
4.3%
2/47 • Number of events 2 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Gastrointestinal disorders
Vomiting
2.1%
1/47 • Number of events 1 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Gastrointestinal disorders
Abdominal pain
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Gastrointestinal disorders
Nausea
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Gastrointestinal disorders
Stomach discomfort
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Gastrointestinal disorders
Toothache
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
General disorders
Chills
4.3%
2/47 • Number of events 2 • about 35 days.
0.00%
0/22 • about 35 days.
General disorders
Odema peripheral
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
General disorders
Pitting oedema
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Infections and infestations
Naspoharygitis
2.1%
1/47 • Number of events 1 • about 35 days.
9.1%
2/22 • Number of events 2 • about 35 days.
Infections and infestations
Bacterial infections
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Infections and infestations
Cellulitis
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Infections and infestations
Urinary Tract infections
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Injury, poisoning and procedural complications
Arthropod sting
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Injury, poisoning and procedural complications
Excoriatiosn
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Injury, poisoning and procedural complications
Fall
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Injury, poisoning and procedural complications
Road Traffic Accident
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Injury, poisoning and procedural complications
Skin lacerations
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Injury, poisoning and procedural complications
Would complication
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Investigations
Neutrophil count decreased
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Investigations
Red blood cell urine positive
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Investigations
white blood cell count decreased
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Investigations
white blood cells urine positive
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Metabolism and nutrition disorders
Hypoglycaemia
2.1%
1/47 • Number of events 1 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Musculoskeletal and connective tissue disorders
Arthritis
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Musculoskeletal and connective tissue disorders
Pain in extremity
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Musculoskeletal and connective tissue disorders
Tendonitis
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Nervous system disorders
Dizziness
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Nervous system disorders
Headache
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Nervous system disorders
Transient
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Psychiatric disorders
Insomnia
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Respiratory, thoracic and mediastinal disorders
Cough
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
2.1%
1/47 • Number of events 1 • about 35 days.
0.00%
0/22 • about 35 days.
Skin and subcutaneous tissue disorders
Blister
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.
Skin and subcutaneous tissue disorders
Periorbital oedema
0.00%
0/47 • about 35 days.
4.5%
1/22 • Number of events 1 • about 35 days.

Additional Information

Charlene A. Tucker, MS Executive Director, Medical Writing and Document Management

Innocoll

Phone: 484-406-5211

Results disclosure agreements

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