1. Presence of bacteremia due solely to: 
S. aureus on at least 1 blood culture within 72 hours of beginning study drug (Cohort A) OR 
MRSA on a baseline blood culture and on at least 1 additional blood culture after at least 72 hours of vancomycin and/or daptomycin treatment (Cohort B). 
2. Male or female ≥ 18 years of age. 
3. If female of childbearing potential must be willing to practice sexual abstinence or dual methods of contraception during treatment and for at least 30 days after the last dose of study drug. 
4. Expectation of survival for at least 2 months. 

NCT01701219_inc_T1
Condition
bacteremia
NCT01701219_inc_T3
Procedure
blood culture
NCT01701219_inc_T4
Multiplier
at least 1
NCT01701219_inc_T5
Observation
S. aureus
NCT01701219_inc_T6
Temporal
within 72 hours of beginning study drug
NCT01701219_inc_T7
Reference_point
beginning study drug
NCT01701219_inc_T8
Observation
MRSA
NCT01701219_inc_T9
Procedure
blood culture
NCT01701219_inc_T10
Temporal
baseline
NCT01701219_inc_T11
Multiplier
at least 1 additional
NCT01701219_inc_T12
Procedure
blood culture
NCT01701219_inc_T13
Temporal
after at least 72 hours of vancomycin and/or daptomycin treatment
NCT01701219_inc_T14
Reference_point
vancomycin and/or daptomycin treatment
NCT01701219_inc_T15
Drug
vancomycin
NCT01701219_inc_T16
Drug
daptomycin
NCT01701219_inc_T17
Procedure
daptomycin treatment
NCT01701219_inc_T18
Procedure
vancomycin treatment
NCT01701219_inc_T19
Person
Male
NCT01701219_inc_T20
Person
female
NCT01701219_inc_T21
Value
≥ 18 years
NCT01701219_inc_T22
Person
age
NCT01701219_inc_T23
Person
female
NCT01701219_inc_T24
Condition
childbearing potential
NCT01701219_inc_T25
Observation
willing
NCT01701219_inc_T26
Procedure
practice sexual abstinence
NCT01701219_inc_T27
Multiplier
dual
NCT01701219_inc_T28
Procedure
methods of contraception
NCT01701219_inc_T29
Temporal
during treatment
NCT01701219_inc_T30
Temporal
for at least 30 days after the last dose of study drug
NCT01701219_inc_T31
Reference_point
the last dose of study drug
NCT01701219_inc_T32
Scope
practice sexual abstinence or dual methods of contraception
NCT01701219_inc_T33
Scope
female of childbearing potential
NCT01701219_inc_T34
Observation
Expectation
NCT01701219_inc_T35
Condition
survival
NCT01701219_inc_T36
Temporal
for at least 2 months