Trial Outcomes & Findings for The Effect of Spironolactone on Blood Pressure in Type-2 Diabetics With Resistant Hypertension (NCT NCT01062763)

NCT ID: NCT01062763

Last Updated: 2014-05-08

Results Overview

Change of systolic blood pressure from baseline to study end at four months.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

119 participants

Primary outcome timeframe

4 months

Results posted on

2014-05-08

Participant Flow

Patients recruited from outpatient clinics of endocrinology at two university hospitals and two general hospitals in the period from May 2010 to March 2012.

163 patints screened. 44 screenfailures due to exclusion criteria as indicated. 119 randomized

Participant milestones

Participant milestones
Measure
Placebo
1tablet of matching placebo trated up to 2 if neccessary
Addition of Spironolactone
spironolactone is added to previous antihypertensive treatment placebo : addition of placebo 1 to 2 tablets daily spironolactone : 25 to 50 mg once daily
Overall Study
STARTED
58
61
Overall Study
COMPLETED
55
57
Overall Study
NOT COMPLETED
3
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo
1tablet of matching placebo trated up to 2 if neccessary
Addition of Spironolactone
spironolactone is added to previous antihypertensive treatment placebo : addition of placebo 1 to 2 tablets daily spironolactone : 25 to 50 mg once daily
Overall Study
Adverse Event
3
4

Baseline Characteristics

The Effect of Spironolactone on Blood Pressure in Type-2 Diabetics With Resistant Hypertension

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Addition of Spironolactone
n=61 Participants
spironolactone is added to previous antihypertensive treatment placebo : addition of placebo 1 to 2 tablets daily spironolactone : 25 to 50 mg once daily
Placebo
n=58 Participants
Total
n=119 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
34 Participants
n=5 Participants
28 Participants
n=7 Participants
62 Participants
n=5 Participants
Age, Categorical
>=65 years
27 Participants
n=5 Participants
30 Participants
n=7 Participants
57 Participants
n=5 Participants
Age, Continuous
62.9 years
STANDARD_DEVIATION 7.1 • n=5 Participants
63.9 years
STANDARD_DEVIATION 6.9 • n=7 Participants
63.4 years
STANDARD_DEVIATION 6.9 • n=5 Participants
Sex: Female, Male
Female
15 Participants
n=5 Participants
13 Participants
n=7 Participants
28 Participants
n=5 Participants
Sex: Female, Male
Male
46 Participants
n=5 Participants
45 Participants
n=7 Participants
91 Participants
n=5 Participants
Region of Enrollment
Denmark
61 participants
n=5 Participants
58 participants
n=7 Participants
119 participants
n=5 Participants

PRIMARY outcome

Timeframe: 4 months

Population: Analysis by intention to treat using LOCF

Change of systolic blood pressure from baseline to study end at four months.

Outcome measures

Outcome measures
Measure
Addition of Spironolactone
n=57 Participants
spironolactone is added to previous antihypertensive treatment spironolactone : 25 uptrated if necessary to 50 mg once daily
Placebo
n=55 Participants
1tablet of matching placebo uptrated to 2 if neccessary
Change of of Systolic Blood Pressure
-9.6 mm Hg
Interval -12.8 to -6.3
-0.7 mm Hg
Interval -3.3 to 2.0

PRIMARY outcome

Timeframe: 4 months

Population: Analyzed by intention to treat and last observation carried forward

Change of diastolic blood pressure from baseline to study end at four months.

Outcome measures

Outcome measures
Measure
Addition of Spironolactone
n=57 Participants
spironolactone is added to previous antihypertensive treatment spironolactone : 25 uptrated if necessary to 50 mg once daily
Placebo
n=55 Participants
1tablet of matching placebo uptrated to 2 if neccessary
Change of Diastolic Blood Pressure
-3.9 mm Hg
Interval -6.0 to -2.0
-0.3 mm Hg
Interval -1.8 to 1.3

SECONDARY outcome

Timeframe: 4 months

Population: Intention to treat

Outcome measures

Outcome measures
Measure
Addition of Spironolactone
n=61 Participants
spironolactone is added to previous antihypertensive treatment spironolactone : 25 uptrated if necessary to 50 mg once daily
Placebo
n=58 Participants
1tablet of matching placebo uptrated to 2 if neccessary
Adverse Effects
4 participants
0 participants

Adverse Events

Addition of Spironolactone

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

Placebo

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

Serious adverse events

Serious adverse events
Measure
Addition of Spironolactone
n=61 participants at risk
spironolactone is added to previous antihypertensive treatment spironolactone : 25 uptrated if necessary to 50 mg once daily
Placebo
n=58 participants at risk
1tablet of matching placebo uptrated to 2 if neccessary
Blood and lymphatic system disorders
Serious hyperkalemia
1.6%
1/61 • Number of events 1 • 4 months
0.00%
0/58 • 4 months

Other adverse events

Adverse event data not reported

Additional Information

Dr. Ib A. Jacobsen

Dept. of Endocrinology, Odense University Hospital

Phone: +45 27203135

Results disclosure agreements

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