Table 1 Characteristics of randomized, double-blind, placebo-controlled clinical trials included in the clinical test sample.

From: Polygenic heterogeneity in antidepressant treatment and placebo response

ClinicalTrials.gov Identifier

Treatment length, weeks

Vortioxetine dose, mg

Scales

N

Female, %

Age, mean (SD)

Baseline MADRS, mean (SD)

NCT01422213

8

10, 20

MADRS, PDQ

184

63.04

46.22 (11.98)

31.75 (3.77)

NCT00839423

6

5,10

MADRS, HAM-A

136

66.18

42.42 (12.04)

33.74 (2.57)

NCT00635219

8

2.5, 5, 10

MADRS, HAM-A

254

70.08

45.70 (12.20)

31.69 (3.60)

NCT01140906

8

15, 20

MADRS, HAM-A

233

64.81

46.79 (13.60)

31.23 (3.34)

NCT01153009

8

15, 20

MADRS, HAM-A

196

77.04

43.77 (12.71)

31.92 (4.20)

NCT01163266

8

10, 20

MADRS, HAM-A, CPFQ

178

74.72

43.42 (12.77)

32.05 (3.78)

NCT01179516

8

10, 15

MADRS, HAM-A, CPFQ

183

69.95

45.95 (12.30)

33.59 (4.03)

Total

6–8

2.5, 5, 10, 15, 20

MADRS, PDQ, HAM-A, CPFQ

1364

69.43

45.09 (12.62)

32.16 (3.76)

  1. The table only include patients who passed QC and was used in later analysis.
  2. MADRS Montgomery-Åsberg Depression Rating Scale, HAM-A Hamilton Anxiety Rating Scale, PDQ perceived deficits questionnaire, CPFQ Massachusetts General Hospital cognitive and physical functioning questionnaire, SD standard deviation, baseline MADRS Total MADRS score at baseline.