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Table 2 Subject disposition by treatment sequence

From: Randomized, double-blind, placebo-controlled, crossover study of the efficacy and safety of lisdexamfetamine dimesylate in adults with attention-deficit/hyperactivity disorder: novel findings using a simulated adult workplace environment design

  

Randomization Sequence

 

n (%)

Discontinued Prior to Randomization

(n = 15)

LDX/Placebo

(n = 63)

Placebo/LDX

(n = 64)

All Subjects

(N = 142)

Safety population

15 (100.0)

63 (100.0)

64 (100.0)

142 (100.0)

Randomized safety population

-

63 (100.0)

64 (100.0)

127 (89.4)

Intention-to-treat population

-

53 (84.1)

52 (81.3)

105 (73.9)

Per protocol population

-

49 (77.8)

49 (76.6)

98 (69.0)

Completed study

-

52 (82.5)

51 (79.7)

103 (72.5)

Discontinuations

15 (100.0)

11 (17.5)

13 (20.3)

39 (27.5)

Reasons for discontinuations

Total

15 (100.0)

11 (17.5)

13 (20.3)

39 (27.5)

   AE

4 (26.7)

0

2 (3.1)

6 (4.2)

   Lack of efficacy

0

0

0

0

   Refused further participation

5 (33.3)

3 (4.8)

2 (3.1)

10 (7.0)

   Protocol nonadherence/subject noncompliant

0

0

0

0

   Lost to follow-up

2 (13.3)

0

0

2 (1.4)

   Other

4 (26.7)

8 (12.7)a

9 (14.1)a

21 (14.8)

  1. aSeventeen subjects withdrew from the study during the double-blind crossover phase due to a natural disaster-related study site closure (ie, hurricane).
  2. AE = adverse event; LDX = lisdexamfetamine dimesylate.