Table 5 Rat toxicity study design for once-a-day (QD) dosing of compounds 4 and 5

From: Potent Rifampicin derivatives can clear MRSA infections at single low doses when concomitantly dosed with Vancomycin

Group Number

Treatment

Dose Level (mg/kg/day)

Dose volume (mL/kg)

Dose concentration (mg/mL)

Tox Group (Main/Recovery)

Males

Females

1

Vehicle 1 (Compound 4)

0

5

0

5/3

--

2

Vehicle 2 (Compound 5)

0

5

0

5/3

--

3

Rifampicin

25

5

5

5/3

--

4

Vancomycin

110

5

22

5/3

--

5

Compound 4

0.1

5

0.02

5/3

--

6

Compound 4

1

5

0.2

5/3

5/3

7

Compound 4

10

5

2

5/3

--

8

Compound 4 + vancomycin

1 + 110

2.5; 2.5

0.4; 44

5/3

--

9

Compound 5

0.1

5

0.02

5/3

--

10

Compound 5

1

5

0.2

5/3

5/3

11

Compound 5

10

5

2

5/3

--

12

Compound 5 + vancomycin

1 + 110

2.5; 2.5

0.4; 44

5/3

--

  1. Vehicle 1: 5% dextrose/citrate buffer (2:1), 0.7% Tween 80, pH 5.4
  2. Vehicle 2: Captisol 30% (v/v) in Citrate buffer, pH 5 containing 0.5% (v/v) Tween 80