Trial Outcomes & Findings for Safety and Efficacy of Chlorthalidone + Amiloride to Elderly Patients Treatment With Arterial Hypertension (NCT NCT01191450)

NCT ID: NCT01191450

Last Updated: 2025-06-12

Results Overview

V0 (baseline) V1 (15 ± 3 days after V0) V2 (30 ± 3 days after V0) V3 (60 ± 3 days after V0) V4 (90 ± 3 days after V0)

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

246 participants

Primary outcome timeframe

Visit 4 (75 ± 3 days of V1)

Results posted on

2025-06-12

Participant Flow

Participant milestones

Participant milestones
Measure
Higroton®
Chlorthalidone 25mg - one oral tablet a day in the morning Higroton® Laboratório Novartis: Chlortalidone 25mg - oral tablet a day in the morning during approximately 12 weeks
Diupress®
Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning Chlorthalidone 25 mg + amiloride hydrochloride 5 mg: Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning during approximately 12 weeks
Overall Study
STARTED
121
122
Overall Study
ITT Population
121
122
Overall Study
COMPLETED
106
104
Overall Study
NOT COMPLETED
15
18

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Safety and Efficacy of Chlorthalidone + Amiloride to Elderly Patients Treatment With Arterial Hypertension

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Higroton®
n=121 Participants
Chlorthalidone 25mg - one oral tablet a day in the morning Higroton® Laboratório Novartis: Chlortalidone 25mg - oral tablet a day in the morning during approximately 12 weeks
Diupress®
n=122 Participants
Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning Chlorthalidone 25 mg + amiloride hydrochloride 5 mg: Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning during approximately 12 weeks
Total
n=243 Participants
Total of all reporting groups
Age, Continuous
62 years
STANDARD_DEVIATION 7 • n=5 Participants
61 years
STANDARD_DEVIATION 8 • n=7 Participants
62 years
STANDARD_DEVIATION 8 • n=5 Participants
Sex: Female, Male
Female
65 Participants
n=5 Participants
74 Participants
n=7 Participants
139 Participants
n=5 Participants
Sex: Female, Male
Male
56 Participants
n=5 Participants
48 Participants
n=7 Participants
104 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Visit 4 (75 ± 3 days of V1)

Population: Analysis of ITT. The number of participants differed across visits due to variations in attendance.

V0 (baseline) V1 (15 ± 3 days after V0) V2 (30 ± 3 days after V0) V3 (60 ± 3 days after V0) V4 (90 ± 3 days after V0)

Outcome measures

Outcome measures
Measure
Diupress®
n=122 Participants
Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning Chlorthalidone 25 mg + amiloride hydrochloride 5 mg: Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning during approximately 12 weeks
Higroton®
n=121 Participants
Chlorthalidone 25mg - one oral tablet a day in the morning Higroton® Laboratório Novartis: Chlortalidone 25mg - oral tablet a day in the morning during approximately 12 weeks
Number of Subjects With Serum Potassium Levels Below 4.0 mEq/l at Visit 4
V1 (15 ± 3 days after V0)
18 Participants
19 Participants
Number of Subjects With Serum Potassium Levels Below 4.0 mEq/l at Visit 4
V2 (30 ± 3 days after V0)
25 Participants
51 Participants
Number of Subjects With Serum Potassium Levels Below 4.0 mEq/l at Visit 4
V3 (60 ± 3 days after V0)
31 Participants
52 Participants
Number of Subjects With Serum Potassium Levels Below 4.0 mEq/l at Visit 4
V4 (90 ± 3 days after V0)
36 Participants
51 Participants

SECONDARY outcome

Timeframe: Visit 4 (75 ± 3 days of V1)

Population: ITT. The number of participants differed across visits due to variations in attendance.

Will be considered as secondary outcomes BP \<140 X 90 mmHg after Visit 4 (75 ± 3 days of V1). V0 (baseline) V1 (15 ± 3 days after V0) V2 (30 ± 3 days after V0) V3 (60 ± 3 days after V0) V4 (90 ± 3 days after V0)

Outcome measures

Outcome measures
Measure
Diupress®
n=119 Participants
Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning Chlorthalidone 25 mg + amiloride hydrochloride 5 mg: Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning during approximately 12 weeks
Higroton®
n=121 Participants
Chlorthalidone 25mg - one oral tablet a day in the morning Higroton® Laboratório Novartis: Chlortalidone 25mg - oral tablet a day in the morning during approximately 12 weeks
Blood Pressure
V1 delta systolic blood pressure
130.52 mmHg
Standard Deviation 15.70
131.06 mmHg
Standard Deviation 13.07
Blood Pressure
V4 delta systolic blood pressure
120.64 mmHg
Standard Deviation 11.73
124.05 mmHg
Standard Deviation 13.09
Blood Pressure
V1 Delta diastolic blood pressure
79.63 mmHg
Standard Deviation 10.46
79.08 mmHg
Standard Deviation 9.50
Blood Pressure
V4 delta diastolic blood pressure
74.63 mmHg
Standard Deviation 8.73
75.24 mmHg
Standard Deviation 9.68

Adverse Events

Higroton®

Serious events: 1 serious events
Other events: 41 other events
Deaths: 0 deaths

Diupress®

Serious events: 2 serious events
Other events: 55 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Higroton®
n=121 participants at risk
Chlorthalidone 25mg - one oral tablet a day in the morning Higroton® Laboratório Novartis: Chlortalidone 25mg - oral tablet a day in the morning during approximately 12 weeks
Diupress®
n=122 participants at risk
Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning Chlorthalidone 25 mg + amiloride hydrochloride 5 mg: Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning during approximately 12 weeks
Cardiac disorders
Myocardial ischaemia
0.00%
0/121
0.82%
1/122 • Number of events 1
Gastrointestinal disorders
Abdominal pain NOS
0.83%
1/121 • Number of events 3
0.00%
0/122
Psychiatric disorders
Innappetence
0.00%
0/121
0.82%
1/122 • Number of events 3

Other adverse events

Other adverse events
Measure
Higroton®
n=121 participants at risk
Chlorthalidone 25mg - one oral tablet a day in the morning Higroton® Laboratório Novartis: Chlortalidone 25mg - oral tablet a day in the morning during approximately 12 weeks
Diupress®
n=122 participants at risk
Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning Chlorthalidone 25 mg + amiloride hydrochloride 5 mg: Chlorthalidone 25 mg + amiloride hydrochloride 5 mg - one oral tablet a day in the morning during approximately 12 weeks
Musculoskeletal and connective tissue disorders
Musculoskeletal and Connective Tissue Disorders
1.7%
2/121 • Number of events 2
1.6%
2/122 • Number of events 2
General disorders
General Disorders and Administration Site Conditions
1.7%
2/121 • Number of events 2
2.5%
3/122 • Number of events 3
Metabolism and nutrition disorders
Metabolism and Nutrition Disorders
20.7%
25/121 • Number of events 25
25.4%
31/122 • Number of events 31
Investigations
Investigations
4.1%
5/121 • Number of events 5
5.7%
7/122 • Number of events 7
Nervous system disorders
Nervous System Disorders
0.83%
1/121 • Number of events 1
0.00%
0/122
Renal and urinary disorders
Renal and Urinary Disorders
1.7%
2/121 • Number of events 2
0.00%
0/122
Reproductive system and breast disorders
Reproductive System and Breast Disorders
0.83%
1/121 • Number of events 1
0.82%
1/122 • Number of events 1
Immune system disorders
Immune System Disorders
0.83%
1/121 • Number of events 1
0.00%
0/122
Vascular disorders
Vascular Disorders
0.83%
1/121 • Number of events 1
5.7%
7/122 • Number of events 7
Gastrointestinal disorders
Gastrointestinal Disorders
0.83%
1/121 • Number of events 1
3.3%
4/122 • Number of events 4

Additional Information

Eurofarma Laboratórios S.A

Eurofarma Laboratórios S.A

Phone: 50 11 5090-8415

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place