Phase 4 Efficacy and Safety Study of Cubicin® With and Without Combination Therapy in S. Aureus Infective Endocarditis (SAIE)



Status:Terminated
Conditions:Cardiology
Therapuetic Areas:Cardiology / Vascular Diseases
Healthy:No
Age Range:18 - Any
Updated:2/2/2018
Start Date:February 13, 2009
End Date:November 9, 2011

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A Phase 4 Multicenter, Randomized, Double Blind Study to Describe the Efficacy and Safety of Cubicin® (Daptomycin for Injection) With and Without Initial Gentamicin Combination Therapy in the Treatment of S. Aureus Infective Endocarditis

multicenter, randomized, double blind study to describe the safety and efficacy of daptomycin
(6 mg/kg q24h) with and without concomitant initial gentamicin combination therapy in the
treatment of SAIE

Patients will be randomized to either of the following two treatment arms:

- Arm 1: daptomycin

- Arm 2: daptomycin with initial i.v. gentamicin

Patients who meet all the inclusion criteria and exhibit none of the exclusion criteria may
be enrolled. Intravenous drug user (IVDU) patients may be randomized and study drug begun on
the basis of two separate peripheral blood cultures positive for S. aureus obtained within 96
hours prior to the first dose of study drug.

The recommended minimum duration of treatment for daptomycin will be 28 days. The duration of
treatment for gentamicin will be 3 days.

During study treatment, regular assessments (including weekly safety laboratory testing
including CPK) will be performed. An End-of-Therapy (EOT) evaluation will be performed on the
day of or 1-2 days after completion of daptomycin study drug or upon early termination (ET).
All patients will have a post-therapy visit for Test of Cure (TOC)/Safety performed 21-28
days following the last dose of daptomycin study drug.

Inclusion Criteria:

1. Written informed consent has been obtained;

2. Male or female ≥18 years of age;

3. IVDU (as confirmed by history of drug abuse within the past 3 months or recent needle
track marks);

4. Definite or possible IE according to the modified Duke Criteria (see Appendix A); [17
];

5. Two blood cultures positive for S. aureus obtained within 96 hours prior to first dose
of study medication acquired by fresh venipuncture using aseptic technique and
analyzed at the local laboratory (see Appendix B).

Exclusion Criteria:

1. Intravascular foreign material in place at the time that the positive blood culture
was drawn (e.g., intracardiac pacemaker wires, percutaneous or implanted venous
catheters, vascular grafts), (exception: vascular stents that have been in place for
>6 months or permanent pacemaker wires attached via epicardial leads are allowed);

2. High likelihood of LIE as indicated by:

1. Prior diagnosis of predisposing left-sided valvular pathology (e.g., rheumatic
heart disease, bicuspid aortic valve); or

2. Findings on screening examination of left-sided valvular pathology (e.g.,
diastolic murmur of aortic insufficiency); or

3. Findings on screening examination of major systemic emboli to visceral organs
(e.g. cerebral or splenic infarct). Patients may be included if their only
findings are consistent with microvascular phenomena due to immune complexes
(e.g., splinter hemorrhages, conjunctival petechiae, Roth's spots, Osler's nodes,
Janeway's lesions, microhematuria).

Note: Any patient enrolled in the study that is subsequently found to have LIE may be
continued in the trial if determined to be clinically improving by the Investigator.

3. Prosthetic heart valve;

4. Baseline Creatinine clearance of <30 mL/min (as calculated by the Cockcroft-Gault
equation using actual body weight);

5. Baseline CPK value 5 X upper limit of normal (ULN) in conjunction with symptoms of
myalgia or baseline CPK value 10 X ULN without symptoms;

6. Alanine aminotransferase (ALT) >5 X ULN;

7. Aspartate aminotransferase (AST) >5 X ULN;

8. Moribund clinical condition (i.e. high likelihood of death within 3 days after
randomization);

9. Shock or hypotension (supine systolic blood pressure <80 mm Hg) or oliguria (urine
output <20 mL/h) unresponsive to fluids or pressors within 4 hours;

10. Known pneumonia or osteomyelitis;

11. Polymicrobial infection or bacteremia due to a pathogen other than S. aureus;

12. Neutropenia (absolute neutrophil count < 0.5 X 103/μL) and/or lymphopenia (CD4
lymphocytes <0.2X 103/μL);

13. Anticipated to require non-study antibiotics that may be potentially effective against
S. aureus;

14. Prior gentamicin therapy > 1 day;

15. Documented history of significant allergy or intolerance to any of the study
medications;

16. Unlikely to comply with study procedures;

17. Pregnant or nursing. All females with childbearing potential will have a pregnancy
test performed at the local laboratory.

18. Female of childbearing potential and not willing to practice barrier methods of birth
control (e.g., condoms or diaphragms together with spermicidal foam or gel) during
treatment and for at least 28 days after treatment with study medication
We found this trial at
4
sites
5050 Anthony Wayne Dr
Detroit, Michigan 48201
(313) 577-2424
Wayne State University Founded in 1868, Wayne State University is a nationally recognized metropolitan research...
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777 Bannock St
Denver, Colorado 80204
(303) 436-6000
Denver Health Medical Center Denver Health is a comprehensive, integrated organization providing level one care...
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Detroit, Michigan 48202
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Philadelphia, Pennsylvania 19140
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Philadelphia, PA
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