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Oritavancin Versus IV Vancomycin for the Treatment of Patients With Acute Bacterial Skin and Skin Structure Infection (SOLO I)Sponsor: The Medicines Company


Purpose


The purpose of this Phase 3 trial is to evaluate the efficacy, safety, and tolerability of oritavancin in ABSSSIs, including those caused by MRSA and to evaluate the potential economic benefit of oritavancin administered as a single 1200 mg IV dose.

ConditionInterventionPhase
Wound Infection
Abscess
Systemic Inflammation
Cellulitis
Drug: Single-Dose IV Oritavancin DiphosphatePhase III

 
Estimated Enrollment:

Study Start Date:

Estimated Study Completion Date:

Estimated Primary Completion Date:
 
960

December 2010

January 2013


September 2012 (Final data collection date for primary outcome measure)

ArmsAssigned Interventions
Single-Dose IV Oritavancin Diphosphate: Experimental Intervention: Drug: Single-Dose IV Oritavancin Diphosphate

IV Vancomycin: Active Comparator Intervention: Drug: Single-Dose IV Oritavancin Diphosphate
Drug: Single-Dose IV Oritavancin Diphosphate Intravenous oritavancin and IV placebo or IV vancomycin will be administered for a minimum of 7 days up to a maximum of 10 days.

Drug: Single-Dose IV Oritavancin Diphosphate Intravenous oritavancin and IV placebo or IV vancomycin will be administered for a minimum of 7 days up to a maximum of 10 days.

Detailed Description:
This is a Phase 3, multicenter, randomized, double-blind, parallel, comparative efficacy and safety study of single-dose IV oritavancin/IV placebo versus IV vancomycin for 7 to 10 days in adults with acute bacterial skin and skin structure infection (ABSSSI) suspected or proven to be caused by Gram-positive pathogens. Approximately 960 patients will be randomized at 100 centers globally.

In addition, this study will characterize the PK and PK/PD properties of a single 1200 mg IV dose of oritavancin and evaluate the potential health economic benefits offered by this dosing strategy.

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Eligibility


Ages Eligible for Study:
Genders Eligible for Study:
Accepts Healthy Volunteers:
18 Years and older
Both
No

Criteria

Inclusion Criteria:
Subjects may be included in the study if they meet all of the following inclusion criteria:
  1. Males or females ≥18 years old
  2. Diagnosis of ABSSSI suspected or confirmed to be caused by a Gram-positive pathogen requiring at least 7 days of IV therapy
  3. An ABSSSI includes one of the following infections Wound infections, Cellulitis/erysipelas, Major cutaneous abscess
  4. ABSSSI must present with at least 2 signs and symptoms
  5. Able to give informed consent and willing to comply with all required study procedures
Exclusion Criteria:
Subjects will be excluded from the study if any of the following exclusion criteria apply prior to randomization:
  1. Prior systemic or topical antibacterial therapy with activity against suspected or proven Gram-positive pathogens within the preceding 14 days
    • The causative Gram-positive pathogen(s)isolated from the ABSSSI site is resistant in vitro to the antibacterial(s) that was administered with documented clinical progression, or
    • Documented failure to previous ABSSSI antibiotic therapy is available. Documentation of treatment failure must be recorded
    • Patient received a single dose of a short- acting antibacterial therapy three or more days before randomization
  2. Infections associated with, or in close proximity to, a prosthetic device
  3. Severe sepsis or refractory shock
  4. Known or suspected bacteremia at time of screening
  5. ABSSSI due to or associated with any of the following:
    • Infections suspected or documented to be caused by Gram-negative pathogens -- Wound infections (surgical or traumatic) and abscesses with only Gram-negative pathogens
    • Diabetic foot infections
    • Concomitant infection at another site not including a secondary ABSSSI lesion
    • Infected burns
    • A primary infection secondary to a pre-existing skin disease with associated inflammatory changes
    • Decubitus or chronic skin ulcer, or ischemic ulcer due to peripheral vascular disease
    • Any evolving necrotizing process gangrene or infection suspected or proven to be caused by Clostridium species
    • Infections known to be caused by a Gram-positive organism with a vancomycin MIC >2 μg/mL or clinically failing prior therapy with glycopeptides
    • Catheter site infections
  6. Allergy or intolerance to aztreonam or metronidazole in a patient with suspected or proven polymicrobial wound infection involving Gram-negative and/or anaerobic bacteria
  7. Currently receiving chronic systemic immunosuppressive therapy
  8. AIDS with CD4 count < 200 cells/mm3
  9. Neutropenia
  10. Significant or life-threatening condition that would confound or interfere with the assessment of the ABSSSI
  11. Women who are pregnant or nursing
  12. History of immune-related hypersensitivity reaction to glycopeptides
  13. Patients that require anticoagulant monitoring with an aPTT
  14. Contraindication to vancomycin
  15. Patients unwilling to forego blood and/or blood product donation
  16. Treatment with investigational medicinal product within 30 days before enrollment and for the duration of the study
  17. Investigational device present, or removed <30 days before enrollment, or presence of device-related infection
  18. Patients unlikely to adhere to the protocol, comply with study drug administration, or complete the clinical study
  19. Severe hepatic disease
  20. Presence of hyperuricemia
  21. Unwilling to refrain from chronic use of any medication with antipyretic properties
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Contacts and Locations


Physicians:
Luis Jauregui, MD
Arlette Aouad, MD
Tanyanyiwa Chinyadza, MD
Nelson Nicholasora, MD 
David Miramontes, MD

Research Nurses:
Tina Steinhauser, RN, BSN, CCRC
Pamela Beavers, RN, CCRC
Dee Tilley, RN, CCRC
Lisa Graham, RN, CCRC

PHONE:  (419) 251-4919
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