Serious infections caused by resistant bacteria are becoming more of a medical problem throughout the world. This study will measure how well TD-6424 (Telavancin) can control infections and whether the drug is safe to give to patients.

Inclusion Criteria:

• Patients must have a diagnosis of one of the following complicated skin and soft tissue infections and either a suspected or confirmed Gram positive organism

  • major abscess requiring surgical incision and drainage
  • infected burn (see exclusion criteria for important qualifications)
  • deep/extensive cellulitis
  • infected ulcer (see exclusion criteria for important qualifications)
  • wound infection

• Patients must be expected to require at least 4 days of intravenous (IV) antibiotic treatment

Exclusion Criteria:

• Previous systemic antibacterial therapy (with the exception of aztreonam and metronidazole) for > 24 hours within 7 days prior to the first dose of study drug unless the pathogen was resistant to prior treatment or the patient was a treatment failure (no clinical improvement after 3 days)
• Burns involving > 20% of body surface area or third degree/full thickness in nature, diabetic foot ulcers, ischemic ulcers/wounds, necrotizing fasciitis, gas gangrene, or mediastinitis