Table 3 Adverse events considered drug-related observed during the double-blind treatment period in the safety analysis set, by primary system organ class

From: Nifedipine controlled-release 40 mg b.i.d. in Japanese patients with essential hypertension who responded insufficiently to nifedipine controlled-release 40 mg q.d.: a phase III, randomized, double-blind and parallel-group study

n (%)

Nifedipine CR 40 mg b.i.d. (N=177)

Nifedipine CR 40 mg q.d. (N=175)

Total (N=352)

Total

16 (9.0)

17 (9.7)

33 (9.4)

Cardiac disorders

1 (0.6)

1 (0.6)

2 (0.6)

 Palpitations

0

1 (0.6)

1 (0.3)

 Prinzmetal angina

1 (0.6)

0

1 (0.3)

Gastrointestinal disorders

3 (1.7)

3 (1.7)

6 (1.7)

 Constipation

2 (1.1)

2 (1.1)

4 (1.1)

 Dyspepsia

0

1 (0.6)

1 (0.3)

 Gingival hypertrophy

1 (0.6)

0

1 (0.3)

General disorders and administration site conditions

1 (0.6)

2 (1.1)

3 (0.9)

 Peripheral edema

1 (0.6)

2 (1.1)

3 (0.9)

Hepatobiliary disorders

1 (0.6)

1 (0.6)

2 (0.6)

 Abnormal hepatic function

1 (0.6)

1 (0.6)

2 (0.6)

Investigations

3 (1.7)

4 (2.3)

7 (2.0)

 Increased ALT

1 (0.6)

0

1 (0.3)

 Increased alkaline phosphatase

1 (0.6)

0

1 (0.3)

 Decreased BP

1 (0.6)

0

1 (0.3)

 Blood urine present

0

2 (1.1)

2 (0.6)

 Decreased hemoglobin

0

1 (0.6)

1 (0.3)

 Increased platelet count

0

1 (0.6)

1 (0.3)

Metabolism and nutrition disorders

1 (0.6)

2 (1.1)

3 (0.9)

 Hyperuricaemia

1 (0.6)

0

1 (0.3)

 Hypokalaemia

0

1 (0.6)

1 (0.3)

 Type 2 diabetes mellitus

0

1 (0.6)

1 (0.3)

Musculoskeletal and connective tissue disorders

2 (1.1)

0

2 (0.6)

 Arthralgia

1 (0.6)

0

1 (0.3)

 Muscle spasms

1 (0.6)

0

1 (0.3)

Nervous system disorders

4 (2.3)

1 (0.6)

5 (1.4)

 Dizziness

0

1 (0.6)

1 (0.3)

 Postural dizziness

1 (0.6)

0

1 (0.3)

 Headache

3 (1.7)

0

3 (0.9)

Reproductive system and breast disorders

1 (0.6)

0

1 (0.3)

 Prostatitis

1 (0.6)

0

1 (0.3)

Respiratory, thoracic and mediastinal disorders

0

1 (0.6)

1 (0.3)

 Allergic rhinitis

0

1 (0.6)

1 (0.3)

Vascular disorders

1 (0.6)

2 (1.1)

3 (0.9)

 Hot flush

1 (0.6)

1 (0.6)

2 (0.6)

 Hypotension

0

1 (0.6)

1 (0.3)

  1. Abbreviations: ALT, alanine aminotransferase; b.i.d., twice daily; BP, blood pressure; n, number of patients with event; N, total number of patients evaluated; q.d., once daily.