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. 2015 Feb 5;25(2):172–177. doi: 10.2188/jea.JE20140070

Table 2. Top 20 compounds having an inverse association with amyotrophic lateral sclerosis (ALS).

ATC-code Compound name P value Odds-ratio
(95% CI)
Number of drug use patients (%)


Raw FDR ALS Non-ALS
N02BA01 Acetylsalicylate (Aspirin) 0.0004 0.0173* 0.67 (0.54, 0.84) 111 (15.23%) 1369 (18.78%)
R06AA02 Diphenhydramine 0.0013 0.0323* 0.68 (0.54, 0.86) 94 (12.89%) 1150 (15.78%)
M01AG01 Mefenamic Acid 0.0016 0.0358* 0.77 (0.66, 0.91) 384 (52.67%) 4134 (56.71%)
R05DB24 Tipepidine Hibenzate 0.0027 0.0517 0.66 (0.50, 0.87) 64 (8.78%) 857 (11.76%)
A02BA01 Cimetidine 0.0029 0.0521 0.77 (0.65, 0.92) 234 (32.1%) 2564 (35.17%)
R03CC03 Terbutaline Sulfate 0.0038 0.0630 0.62 (0.45, 0.86) 42 (5.76%) 599 (8.22%)
R03DA05 Aminophylline 0.0044 0.0682 0.73 (0.59, 0.91) 124 (17.01%) 1383 (18.97%)
C09AA02 Enalapril Maleate 0.0052 0.0726 0.64 (0.46, 0.87) 46 (6.31%) 643 (8.82%)
R06AX15 Mebhydroline 0.0059 0.0748 0.73 (0.58, 0.91) 97 (13.31%) 1155 (15.84%)
R06AB04 Chlorpheniramine Mal 0.0058 0.0748 0.75 (0.61, 0.92) 128 (17.56%) 1455 (19.96%)
C09AA01 Captopril 0.0070 0.0810 0.63 (0.45, 0.88) 41 (5.62%) 560 (7.68%)
R06AA07 Piprinhydrinate 0.0080 0.0862 0.70 (0.54, 0.91) 70 (9.6%) 868 (11.91%)
A02AF02 Simethicone Emulsion 0.0086 0.0862 0.77 (0.63, 0.94) 562 (77.09%) 5762 (79.04%)
N02BE01 Acetaminophen 0.0108 0.0992 0.76 (0.61, 0.94) 605 (82.99%) 6183 (84.81%)
R06AX12 Terfenadine 0.0120 0.1068 0.78 (0.65, 0.95) 153 (20.99%) 1716 (23.54%)
J01CA04 Amoxycillin 0.0127 0.1091 0.82 (0.70, 0.96) 392 (53.77%) 4099 (56.23%)
R05DB01 Benzonatate 0.0136 0.1097 0.67 (0.49, 0.92) 46 (6.31%) 591 (8.11%)
G04BX06 Phenazopyridine 0.0145 0.1104 0.65 (0.46, 0.92) 38 (5.21%) 524 (7.19%)
R05CA10 Glycyrrhiza Fluid Ext 0.0173 0.1214 0.74 (0.58, 0.95) 83 (11.39%) 973 (13.35%)
C01DA08 Isosorbide Dinitrate 0.0190 0.1294 0.63 (0.43, 0.93) 30 (4.12%) 413 (5.67%)

ATC-code, Anatomical Therapeutic Chemical code; CI, confidence interval; FDR, false discovery rate.

*FDR-adjusted P < 0.05.