Table 2 Other secondary endpoints

From: Acute hemodynamic effects of TPN171H in pulmonary arterial hypertension: a randomized, controlled, phase 2a trial

Variable

Placebo (N = 10)

TPN171H 5 mg (N = 10)

Tadalafil 20 mg (N = 10)

Tadalafil 40 mg (N = 10)

Systemic vascular resistance

Maximum change (%) ± SD from baseline to 24 h

−27.5 ± 11.1

−37.3 ± 12.0

−45.4 ± 15.8

−38.1 ± 10.9

LSMD compared to placebo (95% CI)

 

−8.7 (−19.4 to 2.0)

−14.2 (−25.3 to −3.1)

−12.1 (−22.8 to −1.4)

Mean pulmonary arterial pressure

Maximum change (%) ± SD from baseline to 24 h

−9.2 ± 9.4

−19.4 ± 4.8

−13.5 ± 6.4

−16.3 ± 5.1

LSMD compared to placebo (95% CI)

 

−10.2 (−17.8 to −2.5)

−4.3 (−12.0 to 3.4)

−6.8 (−14.6 to 0.9)

Mixed venous oxygen saturation

Maximum change (%) ± SD from baseline to 24 h

0.6 ± 7.5

7.4 ± 14.7

12.3 ± 18.5

11.7 ± 8.2

LSMD compared to placebo (95% CI)

 

10.5 (0.9 to 20.2)

12.9 (3.4 to 22.4)

7.9 (−1.7 to 17.4)

Cardiac index

Maximum change (%) ± SD from baseline to 24 h

36.7 ± 27.1

49.3 ± 23.4

87.3 ± 64.1

47.6 ± 40.4

LSMD compared to placebo (95% CI)

 

9.7 (−16.6 to 36.1)

37.8 (10.4 to 65.2)

21.6 (−5.0 to 48.2)

  1. An analysis of covariance model was used, with the maximum change in the study variable as a percentage change from baseline as the dependent variable, treatment as a fixed effect, and the baseline value as a covariate
  2. LSMD least-squares mean difference