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Table 3 Summary of randomisation arms

From: Combined HIV Adolescent Prevention Study (CHAPS): comparison of HIV pre-exposure prophylaxis regimens for adolescents in sub-Saharan Africa—study protocol for a mixed-methods study including a randomised controlled trial

Randomised arm

Drug

Number

Dose 1

Dose 2 (24 h later) (± 1 h)

Interval between the last PrEP dose and surgery (h) (± 1 h)

Analysis group (Fig. 1)

1

Control

16

–

–

–

X

2

FTC-TDF

16

2 tablets

–

5

A

3

FTC-TDF

16

2 tablets

–

21

A

4

FTC-TDF

16

2 tablets

1 tablet

5

B

5

FTC-TDF

16

2 tablets

1 tablet

21

B

6

FTC-TAF

16

2 tablets

–

5

C

7

FTC-TAF

16

2 tablets

–

21

C

8

FTC-TAF

16

2 tablets

1 tablet

5

D

9

FTC-TAF

16

2 tablets

1 tablet

21

D

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Trials

ISSN: 1745-6215