| Compared with | beginning of Period | Conclusion of Period | No. C.T. | No. Pt
| Placebo | 1973 | 1988 | 15 | 1916
 | calcium hopantenate | 1984 | 1986 | 9 | 1413
 | ifenprodil tartrate | 1979 | 1982 | 8 | 1049
 | nicardipine hydrochloride | 1983 | 1991 | 5 | 818
 | pentoxifylline | 1978 | 1979 | 4 | 744
 | dihydroergotoxine mesilate | 1978 | 1987 | 3 | 598
 | pyrithioxine dihydrochloride | 1974 | 1978 | 3 | 413
 | dilazep dihydrochloride | 1984 | 1984 | 2 | 323
 | idebenone | 1990 | 1990 | 2 | 296
 | others |       |         | 3 | 384
 |  | 
|---|
| Compared with | beginning of Period | Conclusion of Period | No. C.T. | No. Pt
| propanolol hydrochloride | 1979 | 1986 | 14 | 1617
 | nicardipine hydrochloride | 1985 | 1989 | 8 | 1005
 | pindolol | 1978 | 1983 | 9 | 848
 | captopril | 1983 | 1986 | 6 | 831
 | enalapril malrate | 1988 | 1989 | 4 | 497
 | bunitrolol hydrochloride | 1985 | 1985 | 4 | 408
 | hydralazine hydrochloride | 1979 | 1980 | 4 | 319
 | labetalol hydrochloride | 1984 | 1984 | 2 | 182
 | placebo | 1973 | 1979 | 2 | 131
 | others |      |     11 | 1364
 |  | 
|---|
| Compared with | beginning of Period | Conclusion of Period | No. C.T. | No. Pt
| gefarnate | 1974 | 1981 | 7 | 1223
 | cetraxate hydrochloride | 1982 | 1987 | 7 | 1073
 | proglumide | 1981 | 1983 | 3 | 413
 | placebo | 1974 | 1978 | 2 | 235
 | cimetidine | 1985 | 1985 | 1 | 141
 |  | 
|---|
| Compared with | No. C.T. | No. Pt| haloperidol | 10 | 847
 | sulpiride | 4 | 266
 | placebo | 2 | 247
 | clorpromazine dihydrochloride | 3 | 220
 | perphenazine | 1 | 116
 | chlomazinei1985j | 1 | 35
 |  | 
|---|
| Compared with | No. C.T. | No. Pt| haloperidol | 10 | 847
 | dizepam | 17 | 1296
 | placebo | 12 | 855
 | mexazolam | 1 | 71
 |  | 
|---|
| Compared with | No. C.T. | No. Pt| haloperidol | 10 | 847
 | imiprmine hydrochloride | 13 | 903
 | amitriptyline hydrochloride | 7 | 488
 | mianserin hydrochloride | 1 | 51
 |  | 
|---|
| Compared with | No. C.T. | No. Pt| haloperidol | 10 | 847
 | disopyramide | 13 | 686
 | others | 3 | 176
 |  | 
|---|
| Compared with | No. C.T. | No. Pt| haloperidol | 10 | 847
 | placebo | 7 | 860
 | alfacalcidol | 3 | 703
 |  | 
|---|
| Compared with | No. C.T. | No. Pt| haloperidol | 10 | 847
 | placebo | 7 | 996
 | others | 2 | 231
 |  | 
|---|