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. 2020 Dec 10;24(3):171–180. doi: 10.1093/ijnp/pyaa064

Table 4.

Secondary PD Outcome Measures: Individual Maximum or Minimum

Comparison Overall drug-likinga Take drug againb Good effectsb Higha ARCI MBGa Bad effectsa ARCI LSDGa Alertness/ drowsinessb,c ARCI PCAGb Any effectsa Dizzinessa
Silexan 80 mg vs placebo 0.0 2.5 1.7 0.0 0.0 0.0 0.0 −3.4 0.4 1.5 0.0
Silexan 640 mg vs placebo 0.0 11.5 13.9* 1.0* 0.0 0.0 0.0 −1.4 −0.7 0.5* 0.0
Lorazepam 2 mg vs placebo 25.0*** 52.3*** 45.5*** 44.0*** 2.0*** 1.0 0.5*** −19.2*** 4.0*** 55.0*** 4.5***
Lorazepam 4 mg vs placebo 31.0*** 60.0*** 52.9*** 51.5*** 5.0*** 6.0*** 2.0*** −23.7*** 5.6*** 60.0*** 22.5***
Silexan 80 mg vs lorazepam 2 mg −24.5*** −49.9*** −43.8*** −30.0*** −1.0*** 0.0 0.0*** 15.8*** −3.5*** −43.5*** −3.5***
Silexan 640 mg vs lorazepam 2 mg −14.0*** −40.8*** −31.6*** −27.0*** −1.0* 0.0 0.0** 17.8*** −4.7*** −30.5*** −3.0***
Silexan 80 mg vs lorazepam 4 mg −29.0*** −57.5*** −51.2*** −45.5*** −4.0*** −2.5** −2.0*** 20.3*** −5.2*** −46.0*** −23.5***
Silexan 640 mg vs lorazepam 4 mg −23.5*** −48.5*** −39.0*** −45.5*** −2.0*** −4.0** −2.0*** 22.3*** −6.4*** −32.5*** −17.0***

Abbreviations: ARCI, Addiction Research Center Inventory; LSDG, LSD Group; MBG, Morphine-Benzedrine Group; PCAG, Pentobarbital-Chlorpromazine-Alcohol Group; PD, pharmacodynamic.

Adjusted mean or median of intraindividual differences and P value; PD population, n = 34. Positive values denote higher values on applicable scale for the drug named first.

* P ≤ .05; ** P ≤ .01; *** P ≤ .001.

aMedian differences, Wilcoxon signed rank test P values; bAdjusted mean differences, analysis of covariance P values.

cMinimum effect is analyzed.