Trial Outcomes & Findings for Safety and Efficacy of IV CXA-101 and IV Ceftazidime in Patients With Complicated Urinary Tract Infections (NCT NCT00921024)

NCT ID: NCT00921024

Last Updated: 2018-10-18

Results Overview

Microbiological response is eradication for each baseline pathogen

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

129 participants

Primary outcome timeframe

TOC; 6-9 days after last study drug administration

Results posted on

2018-10-18

Participant Flow

Two subjects, one in each arm, did not receive treatment.

Participant milestones

Participant milestones
Measure
CXA-101
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
Ceftazidime: intravenous 1000 mg every 8 hours
Overall Study
STARTED
85
42
Overall Study
COMPLETED
81
39
Overall Study
NOT COMPLETED
4
3

Reasons for withdrawal

Reasons for withdrawal
Measure
CXA-101
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
Ceftazidime: intravenous 1000 mg every 8 hours
Overall Study
Lost to Follow-up
2
0
Overall Study
Received concomittant therapy
2
0
Overall Study
Withdrawal by Subject
0
3

Baseline Characteristics

Safety and Efficacy of IV CXA-101 and IV Ceftazidime in Patients With Complicated Urinary Tract Infections

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
CXA-101
n=85 Participants
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
n=42 Participants
Ceftazidime: intravenous 1000 mg every 8 hours
Total
n=127 Participants
Total of all reporting groups
Age, Continuous
56.8 years
STANDARD_DEVIATION 19.78 • n=5 Participants
62.7 years
STANDARD_DEVIATION 19.74 • n=7 Participants
58.8 years
STANDARD_DEVIATION 19.88 • n=5 Participants
Sex: Female, Male
Female
42 Participants
n=5 Participants
16 Participants
n=7 Participants
58 Participants
n=5 Participants
Sex: Female, Male
Male
43 Participants
n=5 Participants
26 Participants
n=7 Participants
69 Participants
n=5 Participants

PRIMARY outcome

Timeframe: TOC; 6-9 days after last study drug administration

Population: mMITT: Treated patients, with baseline pathogen.

Microbiological response is eradication for each baseline pathogen

Outcome measures

Outcome measures
Measure
CXA-101
n=65 Participants
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
n=38 Participants
Ceftazidime: intravenous 1000 mg every 8 hours
Microbiological Response at the Test of Cure (TOC) Visit in the Microbiological Modified Intent-to-Treat (mMITT) Population
83.1 percentage of patients
Interval 71.7 to 91.2
76.3 percentage of patients
Interval 59.8 to 88.6

PRIMARY outcome

Timeframe: TOC; 6-9 days after last study drug administration

Population: ME: Treated patients, with baseline pathogen, complied with protocol.

Microbiological response is eradication for each baseline pathogen

Outcome measures

Outcome measures
Measure
CXA-101
n=55 Participants
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
n=27 Participants
Ceftazidime: intravenous 1000 mg every 8 hours
Microbiological Response at the TOC Visit in the Microbiologically Evaluable (ME) Population.
85.5 percentage of patients
Interval 73.3 to 93.5
92.6 percentage of patients
Interval 75.7 to 99.1

Adverse Events

CXA-101

Serious events: 1 serious events
Other events: 33 other events
Deaths: 0 deaths

Ceftazidime

Serious events: 0 serious events
Other events: 16 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
CXA-101
n=85 participants at risk
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
n=42 participants at risk
Ceftazidime: intravenous 1000 mg every 8 hours
Infections and infestations
Pyelonephritis
1.2%
1/85 • Number of events 1
0.00%
0/42

Other adverse events

Other adverse events
Measure
CXA-101
n=85 participants at risk
CXA-101: intravenous 1000 mg every 8 hours
Ceftazidime
n=42 participants at risk
Ceftazidime: intravenous 1000 mg every 8 hours
Blood and lymphatic system disorders
Anaemia
1.2%
1/85
2.4%
1/42
Ear and labyrinth disorders
Vertigo
0.00%
0/85
2.4%
1/42
Eye disorders
Arteriosclerotic retinopathy
0.00%
0/85
2.4%
1/42
Eye disorders
Retinal degeneration
0.00%
0/85
2.4%
1/42
Eye disorders
Vision blurred
0.00%
0/85
2.4%
1/42
Eye disorders
Visual impairment
0.00%
0/85
2.4%
1/42
Gastrointestinal disorders
Abdominal pain
2.4%
2/85
2.4%
1/42
Gastrointestinal disorders
Abdominal pain upper
1.2%
1/85
2.4%
1/42
Gastrointestinal disorders
Constipation
9.4%
8/85
4.8%
2/42
Gastrointestinal disorders
Diarrhoea
3.5%
3/85
7.1%
3/42
Gastrointestinal disorders
Gingival pain
0.00%
0/85
2.4%
1/42
Gastrointestinal disorders
Mouth ulceration
0.00%
0/85
2.4%
1/42
Gastrointestinal disorders
Nausea
5.9%
5/85
0.00%
0/42
Gastrointestinal disorders
Oral pain
0.00%
0/85
2.4%
1/42
Gastrointestinal disorders
Vomiting
1.2%
1/85
2.4%
1/42
General disorders
Chest pain
0.00%
0/85
2.4%
1/42
General disorders
Chills
0.00%
0/85
2.4%
1/42
General disorders
Feeling abnormal
0.00%
0/85
2.4%
1/42
General disorders
Infusion site erythema
2.4%
2/85
0.00%
0/42
General disorders
Infusion site extravasation
2.4%
2/85
0.00%
0/42
General disorders
Infustion site irritation
3.5%
3/85
0.00%
0/42
General disorders
Infusion site reaction
1.2%
1/85
2.4%
1/42
General disorders
Infustion site swelling
2.4%
2/85
0.00%
0/42
General disorders
Pyrexia
3.5%
3/85
2.4%
1/42
Infections and infestations
Urinary tract infection
2.4%
2/85
0.00%
0/42
Metabolism and nutrition disorders
Hypokalaemia
1.2%
1/85
2.4%
1/42
Musculoskeletal and connective tissue disorders
Back pain
2.4%
2/85
2.4%
1/42
Musculoskeletal and connective tissue disorders
Flank pain
2.4%
2/85
0.00%
0/42
Nervous system disorders
Headache
5.9%
5/85
0.00%
0/42
Psychiatric disorders
Agression
0.00%
0/85
2.4%
1/42
Psychiatric disorders
Depression
0.00%
0/85
2.4%
1/42
Psychiatric disorders
Insomnia
4.7%
4/85
0.00%
0/42
Psychiatric disorders
Sleep disorder
7.1%
6/85
4.8%
2/42
Renal and urinary disorders
Haematuria
0.00%
0/85
2.4%
1/42
Renal and urinary disorders
Renal cyst
1.2%
1/85
2.4%
1/42
Respiratory, thoracic and mediastinal disorders
Cough
2.4%
2/85
0.00%
0/42
Respiratory, thoracic and mediastinal disorders
Dyspnoea
1.2%
1/85
2.4%
1/42
Skin and subcutaneous tissue disorders
Blister
1.2%
1/85
2.4%
1/42
Vascular disorders
Hypertension
2.4%
2/85
0.00%
0/42
Vascular disorders
Hypotension
1.2%
1/85
2.4%
1/42
Vascular disorders
Phlebitis
2.4%
2/85
0.00%
0/42

Additional Information

Dr. Obi Umeh, Vice President Global Medical Sciences

Cubist Pharmaceuticals, Inc.

Phone: 781-860-8415

Results disclosure agreements

  • Principal investigator is a sponsor employee The data generated in this clinical study are the exclusive property of the Sponsor and are confidential. Authorship on any primary publication of the results from this study will be based on contributions to study design, enrollment, data analysis, and interpretation of results.
  • Publication restrictions are in place

Restriction type: OTHER