Trial Outcomes & Findings for Study Evaluating the Safety and Efficacy of a Once-daily Dose of Tigecycline vs Ertapenem in Diabetic Foot Infections (DFI) With a Substudy in Patients With Diabetic Foot Infections Complicated by Osteomyelitis. (NCT NCT00366249)

NCT ID: NCT00366249

Last Updated: 2010-04-28

Results Overview

Cure: Recovery so no added antibiotic therapy. Failure: Added antibiotic therapy for no response or worsening after improvement, new purulence, \>120% doses, non-routine surgical treatment or death related to Diabetic Foot Infections (DFI) \> 48 hrs.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1061 participants

Primary outcome timeframe

Test of cure visit (TOC): Assessed at least 12 days post last dose

Results posted on

2010-04-28

Participant Flow

Patients were recruited worldwide from January 2007 to February 2009.

Patients were screened for up to 24 hours.

Participant milestones

Participant milestones
Measure
Tigecycline
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Overall Study
STARTED
553
508
Overall Study
COMPLETED
422
430
Overall Study
NOT COMPLETED
131
78

Reasons for withdrawal

Reasons for withdrawal
Measure
Tigecycline
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Overall Study
Adverse Event
53
28
Overall Study
Death
0
1
Overall Study
Physician Decision
5
2
Overall Study
Lost to Follow-up
2
0
Overall Study
Protocol Violation
1
2
Overall Study
Withdrawal by Subject
18
4
Overall Study
Lack of Efficacy
21
21
Overall Study
Most due to osteomylitis status
31
20

Baseline Characteristics

Study Evaluating the Safety and Efficacy of a Once-daily Dose of Tigecycline vs Ertapenem in Diabetic Foot Infections (DFI) With a Substudy in Patients With Diabetic Foot Infections Complicated by Osteomyelitis.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Tigecycline
n=553 Participants
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
n=508 Participants
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Total
n=1061 Participants
Total of all reporting groups
Age Continuous
59.36 years
STANDARD_DEVIATION 12.04 • n=5 Participants
58.75 years
STANDARD_DEVIATION 11.70 • n=7 Participants
59.07 years
STANDARD_DEVIATION 11.88 • n=5 Participants
Sex: Female, Male
Female
199 Participants
n=5 Participants
165 Participants
n=7 Participants
364 Participants
n=5 Participants
Sex: Female, Male
Male
354 Participants
n=5 Participants
343 Participants
n=7 Participants
697 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Test of cure visit (TOC): Assessed at least 12 days post last dose

Population: Clinically evaluable population without osteomyelitis.

Cure: Recovery so no added antibiotic therapy. Failure: Added antibiotic therapy for no response or worsening after improvement, new purulence, \>120% doses, non-routine surgical treatment or death related to Diabetic Foot Infections (DFI) \> 48 hrs.

Outcome measures

Outcome measures
Measure
Tigecycline
n=408 Participants
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
n=405 Participants
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Number of Patients With Clinical Response of Cure Vs. Failure.
Cure
316 patients
334 patients
Number of Patients With Clinical Response of Cure Vs. Failure.
Failure
92 patients
71 patients

PRIMARY outcome

Timeframe: Test of cure visit (TOC): Assessed at least 12 days post last dose

Population: Clinical modified intent to treat population without osteomyelitis.

Cure: Recovery so no added antibiotic therapy. Failure: Added antibiotic therapy for no response or worsening after improvement, new purulence, \>120% doses, non-routine surgical treatment or death related to DFI \> 48 hrs. Indeterminate: Lost to follow-up, death\<48 hours or noninfection related.

Outcome measures

Outcome measures
Measure
Tigecycline
n=476 Participants
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
n=466 Participants
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Number of Patients With Clinical Response of Cure Vs. Failure/Indeterminate.
Cure
340 patients
363 patients
Number of Patients With Clinical Response of Cure Vs. Failure/Indeterminate.
Failure
117 patients
86 patients
Number of Patients With Clinical Response of Cure Vs. Failure/Indeterminate.
Indeterminate
19 patients
17 patients

SECONDARY outcome

Timeframe: Test of cure visit (TOC): Assessed at least 25 - 27 weeks post last dose

Population: Clinically evaluable population with osteomyelitis.

Cure: Recovery so no added antibiotic therapy. Failure: Added antibiotic therapy for no response or worsening after improvement, new purulence, \>120% doses, non-routine surgical treatment or death related to DFI \> 48 hrs.

Outcome measures

Outcome measures
Measure
Tigecycline
n=38 Participants
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
n=24 Participants
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Number of Patients With Clinical Response of Cure Vs. Failure Assessed at Least 25 - 27 Weeks Post Last Dose.
Cure
12 patients
13 patients
Number of Patients With Clinical Response of Cure Vs. Failure Assessed at Least 25 - 27 Weeks Post Last Dose.
Failure
26 patients
11 patients

SECONDARY outcome

Timeframe: Test of cure visit (TOC): Assessed at least 25 - 27 weeks post last dose

Population: Clinical modified intent to treat population with osteomyelitis.

Cure: Recovery so no added antibiotic therapy. Failure: Added antibiotic therapy for no response or worsening after improvement, new purulence, \>120% doses, non-routine surgical treatment or death related to DFI \> 48 hrs. Indeterminate: Lost to follow-up, death\<48 hours or noninfection related.

Outcome measures

Outcome measures
Measure
Tigecycline
n=53 Participants
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
n=33 Participants
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Number of Patients With Clinical Response of Cure Vs. Failure/Indeterminate Assessed at Least 25 - 27 Weeks Post Last Dose.
Cure
19 patients
21 patients
Number of Patients With Clinical Response of Cure Vs. Failure/Indeterminate Assessed at Least 25 - 27 Weeks Post Last Dose.
Failure
27 patients
12 patients
Number of Patients With Clinical Response of Cure Vs. Failure/Indeterminate Assessed at Least 25 - 27 Weeks Post Last Dose.
Indeterminate
7 patients
0 patients

SECONDARY outcome

Timeframe: Test of cure visit (TOC): Assessed at least 12 days post last dose

Population: Microbiologically evaluable population without osteomyelitis.

Eradication defined as: no pathogen is present in the repeat culture from the original site of infection, or a clinical response of the cure precludes the availability of a specimen for culture.

Outcome measures

Outcome measures
Measure
Tigecycline
n=316 Participants
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
n=317 Participants
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
Number of Patients With Microbiologic Response of Eradication.
209 patients
229 patients

Adverse Events

Tigecycline

Serious events: 79 serious events
Other events: 406 other events
Deaths: 0 deaths

Ertapenem

Serious events: 62 serious events
Other events: 292 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Tigecycline
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
General disorders
Abdominal pain
0.18%
1/553
0.00%
0/508
General disorders
Abscess
0.90%
5/553
0.00%
0/508
General disorders
Accidental injury
0.00%
0/553
0.20%
1/508
General disorders
Allergic reaction
0.18%
1/553
0.00%
0/508
General disorders
Asthenia
0.00%
0/553
0.20%
1/508
General disorders
Carcinoma
0.00%
0/553
0.20%
1/508
General disorders
Cellulitis
0.18%
1/553
0.00%
0/508
General disorders
Chest pain
0.36%
2/553
0.20%
1/508
General disorders
Fever
0.72%
4/553
0.00%
0/508
General disorders
Gangrene
0.54%
3/553
0.39%
2/508
General disorders
Infection
1.6%
9/553
3.1%
16/508
General disorders
Pain
0.00%
0/553
0.20%
1/508
General disorders
Sepsis
0.18%
1/553
0.20%
1/508
General disorders
Septic shock
0.18%
1/553
0.00%
0/508
General disorders
Sudden death
0.18%
1/553
0.00%
0/508
Vascular disorders
Arterial thrombosis
0.18%
1/553
0.20%
1/508
Cardiac disorders
Atrial fibrillation
0.36%
2/553
0.00%
0/508
Cardiac disorders
Bundle branch block
0.00%
0/553
0.20%
1/508
Cardiac disorders
Cardiomegaly
0.00%
0/553
0.20%
1/508
Cardiac disorders
Cerebral ischemia
0.18%
1/553
0.00%
0/508
Cardiac disorders
Cerebrovascular accident
0.00%
0/553
0.39%
2/508
Cardiac disorders
Congestive heart failure
0.18%
1/553
0.39%
2/508
Cardiac disorders
Coronary artery disorder
0.18%
1/553
0.00%
0/508
Vascular disorders
Deep vein thrombosis
0.18%
1/553
0.00%
0/508
Cardiac disorders
Heart arrest
0.18%
1/553
0.00%
0/508
Cardiac disorders
Heart failure
0.00%
0/553
0.20%
1/508
Vascular disorders
Hemorrhage
0.00%
0/553
0.20%
1/508
Cardiac disorders
Myocardial infarct
0.72%
4/553
0.00%
0/508
Cardiac disorders
Occlusion
0.18%
1/553
0.39%
2/508
Vascular disorders
Peripheral gangrene
0.36%
2/553
0.00%
0/508
Vascular disorders
Peripheral vascular disorder
0.18%
1/553
0.39%
2/508
Vascular disorders
Pulmonary embolus
0.18%
1/553
0.00%
0/508
Cardiac disorders
Shock
0.36%
2/553
0.00%
0/508
Cardiac disorders
Syncope
0.18%
1/553
0.39%
2/508
Cardiac disorders
Tachycardia
0.18%
1/553
0.00%
0/508
Vascular disorders
Thrombophlebitis
0.00%
0/553
0.20%
1/508
Vascular disorders
Thrombosis
0.00%
0/553
0.20%
1/508
Vascular disorders
Vasculitis
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Cholelithiasis
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Cirrhosis of liver
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Diarrhea
0.18%
1/553
0.20%
1/508
Gastrointestinal disorders
Gastritis
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Gastroenteritis
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Gastrointestinal hemorrhage
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Ileus
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Liver damage
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Nausea
1.1%
6/553
0.00%
0/508
Gastrointestinal disorders
Stomach atony
0.18%
1/553
0.00%
0/508
Gastrointestinal disorders
Vomiting
1.1%
6/553
0.00%
0/508
Blood and lymphatic system disorders
Leukocytosis
0.18%
1/553
0.00%
0/508
Blood and lymphatic system disorders
Neutropenia
0.00%
0/553
0.20%
1/508
Metabolism and nutrition disorders
Acidosis
0.18%
1/553
0.00%
0/508
Metabolism and nutrition disorders
Alkaline phosphatase increased
0.00%
0/553
0.20%
1/508
Metabolism and nutrition disorders
Dehydration
0.18%
1/553
0.00%
0/508
Metabolism and nutrition disorders
Diabetic ketoacidosis
0.00%
0/553
0.20%
1/508
Metabolism and nutrition disorders
Healing abnormal
0.18%
1/553
0.20%
1/508
Metabolism and nutrition disorders
Hypoglycemia
0.54%
3/553
0.00%
0/508
Metabolism and nutrition disorders
Hypoglycemic reaction
0.00%
0/553
0.20%
1/508
Metabolism and nutrition disorders
Lipase increased
0.18%
1/553
0.00%
0/508
Musculoskeletal and connective tissue disorders
Arthrosis
0.18%
1/553
0.20%
1/508
Musculoskeletal and connective tissue disorders
Osteomyelitis
3.1%
17/553
0.98%
5/508
Musculoskeletal and connective tissue disorders
Pyogenic arthritis
0.18%
1/553
0.00%
0/508
Nervous system disorders
Convulsion
0.36%
2/553
0.79%
4/508
Nervous system disorders
Hallucinations
0.00%
0/553
0.20%
1/508
Nervous system disorders
Hypesthesia
0.00%
0/553
0.20%
1/508
Nervous system disorders
Mental status changes
0.18%
1/553
0.20%
1/508
Nervous system disorders
Neuropathy
0.00%
0/553
0.20%
1/508
Nervous system disorders
Somnolence
0.18%
1/553
0.00%
0/508
Nervous system disorders
Stupor
0.00%
0/553
0.20%
1/508
Respiratory, thoracic and mediastinal disorders
Aspiration
0.00%
0/553
0.20%
1/508
Respiratory, thoracic and mediastinal disorders
Aspiration pneumonia
0.00%
0/553
0.20%
1/508
Respiratory, thoracic and mediastinal disorders
Cough increased
0.18%
1/553
0.00%
0/508
Respiratory, thoracic and mediastinal disorders
Dyspnea
0.36%
2/553
0.00%
0/508
Respiratory, thoracic and mediastinal disorders
Lung edema
0.18%
1/553
0.00%
0/508
Respiratory, thoracic and mediastinal disorders
Pleuritic pain
0.00%
0/553
0.20%
1/508
Respiratory, thoracic and mediastinal disorders
Pneumonia
0.36%
2/553
0.20%
1/508
Respiratory, thoracic and mediastinal disorders
Respiratory failure
0.18%
1/553
0.20%
1/508
Skin and subcutaneous tissue disorders
Skin necrosis
0.72%
4/553
0.59%
3/508
Skin and subcutaneous tissue disorders
Skin ulcer
0.36%
2/553
0.39%
2/508
Skin and subcutaneous tissue disorders
Vesiculobullous rash
0.00%
0/553
0.20%
1/508
Renal and urinary disorders
Acute kidney failure
0.18%
1/553
0.00%
0/508
Renal and urinary disorders
Kidney function abnormal
0.00%
0/553
0.39%
2/508
Renal and urinary disorders
Urinary tract infection
0.18%
1/553
0.00%
0/508
General disorders
Local reaction to procedure
0.00%
0/553
0.20%
1/508
Cardiac disorders
Left heart failure
0.36%
2/553
0.00%
0/508
Vascular disorders
Vascular disorder general
0.18%
1/553
0.20%
1/508

Other adverse events

Other adverse events
Measure
Tigecycline
Tigecycline 150 mg IV infusion every 24 hours
Ertapenem
Ertapenem 1g IV infusion every 24 hours +/- vancomycin depending on culture results and at the discretion of investigator (for coverage of Methicillin-resistant Staphylococcus aureus (MRSA), coagulase-negative staphylococci (CNS) or enterococci coverage).
General disorders
Abdominal pain
3.6%
20/553
2.2%
11/508
General disorders
Asthenia
3.4%
19/553
1.6%
8/508
Respiratory, thoracic and mediastinal disorders
Respiratory system general
5.8%
32/553
5.7%
29/508
General disorders
Fever
4.9%
27/553
3.7%
19/508
General disorders
Headache
4.7%
26/553
3.9%
20/508
Skin and subcutaneous tissue disorders
Skin and appendages general
7.8%
43/553
5.5%
28/508
General disorders
Pain
4.5%
25/553
3.3%
17/508
Renal and urinary disorders
Urogenital general
4.3%
24/553
5.3%
27/508
Cardiac disorders
Hypertension
6.5%
36/553
7.9%
40/508
Gastrointestinal disorders
Diarrhea
13.6%
75/553
10.0%
51/508
Gastrointestinal disorders
Dyspepsia
3.4%
19/553
1.2%
6/508
Gastrointestinal disorders
Nausea
41.0%
227/553
9.1%
46/508
Gastrointestinal disorders
Vomiting
27.3%
151/553
4.9%
25/508
Blood and lymphatic system disorders
Anemia
2.5%
14/553
3.5%
18/508
Metabolism and nutrition disorders
Hypoglycemia
9.0%
50/553
4.7%
24/508
Metabolism and nutrition disorders
Serum glutamic oxaloacetic transaminase (SGOT) increased
3.6%
20/553
4.1%
21/508
Metabolism and nutrition disorders
Serum glutamic pyruvic transaminase (SGPT) increased
3.4%
19/553
3.9%
20/508
Musculoskeletal and connective tissue disorders
Osteomyelitis
4.5%
25/553
2.4%
12/508
Nervous system disorders
Dizziness
3.1%
17/553
2.0%
10/508
Nervous system disorders
Insomnia
3.3%
18/553
0.98%
5/508
General disorders
Infection
2.2%
12/553
3.7%
19/508

Additional Information

U. S. Contact Center

Wyeth

Results disclosure agreements

  • Principal investigator is a sponsor employee The PIs agreed to allow the sponsor 60 days to review and require changes to presentations or publications but only to protect confidential information and intellectual property, and for the sponsor to file a patent application, as applicable. The PIs also agreed for data to be presented first as a joint, multi-center publication.
  • Publication restrictions are in place

Restriction type: OTHER