Trial Outcomes & Findings for DFA-02 in Patients Undergoing Colorectal Surgery (NCT NCT01496352)

NCT ID: NCT01496352

Last Updated: 2014-09-01

Results Overview

Safety and tolerability measured by number of patients with adverse events or changes in laboratory or physical examination findings from baseline (DFA-02 application during surgery on Day 1) to 30 days after surgery.

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

30 participants

Primary outcome timeframe

Baseline up to Day 30

Results posted on

2014-09-01

Participant Flow

Study Period: February 12, 2012 to June 27, 2013. Patients were enrolled at four hospital based sites in the US (Tampa, FL; Temple, Tx; Florence, AL; Houston, TX).

Participant milestones

Participant milestones
Measure
DFA-02
Progressive cohorts of 8 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02 DFA-02: Modified release product containing gentamicin and vancomycin for application at the conclusion of surgery after closure of the fascia and prior to skin closure
DFA-02 Placebo
Progressive cohorts of 2 patients per cohort receiving up to 10, 20 or 30 mL of DFA-02 placebo
Overall Study
STARTED
24
6
Overall Study
COMPLETED
24
6
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

DFA-02 in Patients Undergoing Colorectal Surgery

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 Participants
Progressive cohorts of 2 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02 placebo
Total
n=30 Participants
Total of all reporting groups
Age, Continuous
62.8 years
STANDARD_DEVIATION 14.91 • n=5 Participants
58.5 years
STANDARD_DEVIATION 16.7 • n=7 Participants
62.0 years
STANDARD_DEVIATION 15.04 • n=5 Participants
Sex: Female, Male
Female
14 Participants
n=5 Participants
4 Participants
n=7 Participants
18 Participants
n=5 Participants
Sex: Female, Male
Male
10 Participants
n=5 Participants
2 Participants
n=7 Participants
12 Participants
n=5 Participants
Race/Ethnicity, Customized
White
21 Participants
n=5 Participants
5 Participants
n=7 Participants
26 Participants
n=5 Participants
Race/Ethnicity, Customized
Black/African American
3 Participants
n=5 Participants
1 Participants
n=7 Participants
4 Participants
n=5 Participants
Region of Enrollment
United States
24 participants
n=5 Participants
6 participants
n=7 Participants
30 participants
n=5 Participants
Body Mass Index
29.8 kg/m2
STANDARD_DEVIATION 4.00 • n=5 Participants
27.8 kg/m2
STANDARD_DEVIATION 2.47 • n=7 Participants
29.4 kg/m2
STANDARD_DEVIATION 3.79 • n=5 Participants

PRIMARY outcome

Timeframe: Baseline up to Day 30

Population: As Treated

Safety and tolerability measured by number of patients with adverse events or changes in laboratory or physical examination findings from baseline (DFA-02 application during surgery on Day 1) to 30 days after surgery.

Outcome measures

Outcome measures
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 Participants
Progressive cohorts of 2 subjects receiving 10, 20 or 30 mL of DFA-02 placebo
Number of Patients With Adverse Events, Laboratory, Physical Examination Changes
Any Adverse Event
23 Participants
6 Participants
Number of Patients With Adverse Events, Laboratory, Physical Examination Changes
Any Serious Adverse Event
5 Participants
2 Participants
Number of Patients With Adverse Events, Laboratory, Physical Examination Changes
Related Adverse Event
3 Participants
0 Participants
Number of Patients With Adverse Events, Laboratory, Physical Examination Changes
Death
0 Participants
1 Participants

PRIMARY outcome

Timeframe: 1, 6, 24, 48 96 hours post-dose

Population: All Subjects Receiving Active Drug

Area under the curve (AUC) of plasma gentamicin and vancomycin levels using sparse sampling from baseline (DFA-02 application during surgery on Day 1) to 4 days after surgery

Outcome measures

Outcome measures
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
Progressive cohorts of 2 subjects receiving 10, 20 or 30 mL of DFA-02 placebo
Area Under Curve (AUC)
Gentamicin AUC (0-t)
14.2 mcg/h/mL
Standard Deviation 12.6
Area Under Curve (AUC)
Vancomycin AUC (0-t)
6.47 mcg/h/mL
Standard Deviation 8.12

SECONDARY outcome

Timeframe: 1, 6, 24, 48, 96 hours post-dose

Population: All subjects receiving DFA-02 active gel

Maximal plasma concentration (Cmax)of gentamicin and vancomycin using sparse sampling from baseline (DFA-02 application during surgery on Day 1) to 4 days after surgery

Outcome measures

Outcome measures
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
Progressive cohorts of 2 subjects receiving 10, 20 or 30 mL of DFA-02 placebo
Maximal Plasma Concentration (Cmax)
Gentamicin Cmax
0.642 mcg/mL
Standard Deviation 0.524
Maximal Plasma Concentration (Cmax)
Vancomycin Cmax
0.164 mcg/mL
Standard Deviation 0.150

SECONDARY outcome

Timeframe: Baseline up to Day 14

Population: As treated

Changes in serum creatinine from surgery on Day 1 until 14 days after surgery

Outcome measures

Outcome measures
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 Participants
Progressive cohorts of 2 subjects receiving 10, 20 or 30 mL of DFA-02 placebo
Renal Function
Moderate Elevated Serum Creatinine Day 5 or Day 14
1 Participants
0 Participants
Renal Function
Severe/LifeThreatening Elevated Serum Creatinine
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Baseline up to Day 5

Population: As Treated

Methicillin-resistant Staphylococcus aureus and vancomycin-resistant enterococcus presence at surgery on Day 1 and 5 days after surgery

Outcome measures

Outcome measures
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 Participants
Progressive cohorts of 2 subjects receiving 10, 20 or 30 mL of DFA-02 placebo
Antibiotic Resistance
Nasal MRSA Conversion
1 Participants
0 Participants
Antibiotic Resistance
Rectal Vancomycin Resistant Enterococcus Conversio
0 Participants
1 Participants

SECONDARY outcome

Timeframe: Up to 30 Days After Surgery

Population: As treated

The incidence of probable or definite surgical site infection as determined by the Investigator.

Outcome measures

Outcome measures
Measure
DFA-02
n=24 Participants
Progressive cohorts of 8 subjects receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 Participants
Progressive cohorts of 2 subjects receiving 10, 20 or 30 mL of DFA-02 placebo
Incidence of Surgical Site Infection
6 Participants
1 Participants

Adverse Events

DFA-02

Serious events: 5 serious events
Other events: 23 other events
Deaths: 0 deaths

DFA-02 Placebo

Serious events: 2 serious events
Other events: 6 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
DFA-02
n=24 participants at risk
Progressive cohorts of 8 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 participants at risk
Progressive cohorts of 2 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02 placebo
Gastrointestinal disorders
Bowel Obstruction
4.2%
1/24 • Number of events 1 • From Informed Consent to 30 Days After Surgery
0.00%
0/6 • From Informed Consent to 30 Days After Surgery
Injury, poisoning and procedural complications
Anastomotic Leak
4.2%
1/24 • Number of events 1 • From Informed Consent to 30 Days After Surgery
0.00%
0/6 • From Informed Consent to 30 Days After Surgery
Injury, poisoning and procedural complications
Surgical Site Infection
4.2%
1/24 • Number of events 1 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Injury, poisoning and procedural complications
Post-operative Bleeding
4.2%
1/24 • Number of events 1 • From Informed Consent to 30 Days After Surgery
0.00%
0/6 • From Informed Consent to 30 Days After Surgery
Injury, poisoning and procedural complications
Anastomotic Dehiscence
4.2%
1/24 • Number of events 1 • From Informed Consent to 30 Days After Surgery
0.00%
0/6 • From Informed Consent to 30 Days After Surgery
Injury, poisoning and procedural complications
Death
0.00%
0/24 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery

Other adverse events

Other adverse events
Measure
DFA-02
n=24 participants at risk
Progressive cohorts of 8 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02
DFA-02 Placebo
n=6 participants at risk
Progressive cohorts of 2 subjects per cohort receiving up to 10, 20 or 30 mL of DFA-02 placebo
Blood and lymphatic system disorders
Blood and Lymphatic System Disorders
33.3%
8/24 • Number of events 8 • From Informed Consent to 30 Days After Surgery
33.3%
2/6 • Number of events 2 • From Informed Consent to 30 Days After Surgery
Cardiac disorders
Cardiac Disorders
37.5%
9/24 • Number of events 9 • From Informed Consent to 30 Days After Surgery
33.3%
2/6 • Number of events 2 • From Informed Consent to 30 Days After Surgery
Gastrointestinal disorders
Gastrointestinal Disorders
87.5%
21/24 • Number of events 21 • From Informed Consent to 30 Days After Surgery
83.3%
5/6 • Number of events 5 • From Informed Consent to 30 Days After Surgery
General disorders
General Disorders and Administration Site Conditions
16.7%
4/24 • Number of events 4 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Hepatobiliary disorders
Hepatobiliary Disorders
4.2%
1/24 • Number of events 1 • From Informed Consent to 30 Days After Surgery
0.00%
0/6 • From Informed Consent to 30 Days After Surgery
Infections and infestations
Infections and Infestations
41.7%
10/24 • Number of events 10 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Injury, poisoning and procedural complications
Injury, Poisoning and Procedural Complications
37.5%
9/24 • Number of events 9 • From Informed Consent to 30 Days After Surgery
33.3%
2/6 • Number of events 2 • From Informed Consent to 30 Days After Surgery
Investigations
Investigations
50.0%
12/24 • Number of events 12 • From Informed Consent to 30 Days After Surgery
50.0%
3/6 • Number of events 3 • From Informed Consent to 30 Days After Surgery
Metabolism and nutrition disorders
Metabolism and Nutritional Disorders
45.8%
11/24 • Number of events 11 • From Informed Consent to 30 Days After Surgery
33.3%
2/6 • Number of events 2 • From Informed Consent to 30 Days After Surgery
Musculoskeletal and connective tissue disorders
Musculoskeletal and Connective Tissue Disorders
8.3%
2/24 • Number of events 2 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Nervous system disorders
Nervous System Disorders
12.5%
3/24 • Number of events 3 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Psychiatric disorders
Psychiatric Disorders
20.8%
5/24 • Number of events 5 • From Informed Consent to 30 Days After Surgery
0.00%
0/6 • From Informed Consent to 30 Days After Surgery
Renal and urinary disorders
Renal and Urinary Disorders
16.7%
4/24 • Number of events 4 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Respiratory, thoracic and mediastinal disorders
Respiratory, Thoracic and Mediastinal Disorders
20.8%
5/24 • Number of events 5 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Skin and subcutaneous tissue disorders
Skin and Subcutaneous Disorders
12.5%
3/24 • Number of events 3 • From Informed Consent to 30 Days After Surgery
16.7%
1/6 • Number of events 1 • From Informed Consent to 30 Days After Surgery
Vascular disorders
Vascular Disorders
54.2%
13/24 • Number of events 13 • From Informed Consent to 30 Days After Surgery
33.3%
2/6 • Number of events 2 • From Informed Consent to 30 Days After Surgery

Additional Information

Kent Allenby, MD, VP, Drug Development

Dr. Reddy's Laboratories, Inc.

Phone: 609-375-9855

Results disclosure agreements

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

Restriction type: LTE60