Table 12.

Controlled Studies of Clomiphene Citrate

as Empiric Therapy

Author (Year) Clomiphene Dosage Control Drug Duration (Months) Subjects Pregnancy Rates (%)
Foss (1973)88 100 mg/day

Placebo
3

3
108

101
17**
Paulson (1979)89 25 mg/day

Cortisone, 10 mg/day
6

6
20

20
35

10
Ronnberg (1980)90 50 mg/day

Placebo
3

3
27

29
10

3
Abel (1982)91 50 mg/day

Vitamin C, 200 mg/day
9

9
98

89
17

13
Wang (1983)92 25 mg/day

50 mg/day

Placebo
6-9

6-9

6-9
11

18

7
36

22

0
Micic (1985)93 50 mg/day

No treatment
6-9

6-9
56

45
13

0
Sokol (1988)94 25 mg/day

Placebo
12

12
23

23
9

44
Check (1989)95 25 mg/day

Placebo
8

8
50

50
58

16
WHO (1992)96 25 mg/day

Placebo
6

6
94

96
8

12

* these studies did not report improvement in bulk seminal parameters in a consistant manner.

**Overall pregnancy rate for clomiphene and placebo groups combined

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