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A Double-blind, Placebo-controlled Study of OPC-41061 in the Treatment of Cardiac Edema (Congestive Heart Failure)

A Double-blind, Placebo-controlled Study of OPC-41061 in the Treatment of Cardiac Edema (Congestive Heart Failure)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00462670
Enrollment
110
Registered
2007-04-19
Start date
2007-04-30
Completion date
2008-10-31
Last updated
2014-02-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Edema, Cardiac

Keywords

Cardiac edema, OPC-41061, Vasopressin antagonist

Brief summary

To evaluate the efficacy and safety of 7-day repeated oral administration of OPC-41061 15 mg or placebo in congestive heart failure (CHF) patients with extracellular volume expansion despite the use of a conventional diuretic.

Interventions

0, 15mg of OPC-41061 per day for 7days p.o. administration

Sponsors

Otsuka Pharmaceutical Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
20 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

1. Subjects receiving one of the following diuretic treatments (including subjects scheduled to start treatment during the run-in observation period, 1)A loop diuretic at a daily dosage equivalent to 40 mg or more of furosemide, 2)Concomitant administration of a loop diuretic and a thiazide diuretic (at any doses), 3)Concomitant administration of a loop diuretic and an anti-aldosterone drug (at any doses) 2. CHF patients with lower limb edema, jugular venous distention, or pulmonary congestion due to extracellular volume expansion Patients with pulmonary congestion can be enrolled if pulmonary congestion is confirmed on chest x-ray taken within 14 days prior to the screening examination. 3. Male or female subjects age 20 or older and younger than 85 (at time of informed consent) 4. Subjects who are able to stay at the study site from the day before the start of the run-in observation period until completion of postdosing examination 2 (7 to 10 days after final study drug administration) 5. Subjects capable of giving informed consent to participate in the study of their own free will

Exclusion criteria

1. Subjects with acute heart failure 2. Subjects with an assisted circulation device 3. Subjects with any of the following complications or symptoms: (1)Suspected decrease in circulatory blood flow, (2)Hypertrophic cardiomyopathy (other than dilated phase), (3)Cardiac valve disease with significant heart valve stenosis, (4)Hepatic coma 4. Subjects who develop acute myocardial infarction within 30 days prior to the screening examination 5. Subjects with a definite diagnosis of active myocarditis or amyloid cardiomyopathy 6. Subjects with any of the following complications or symptoms: (1)Diabetes mellitus with poorly controlled blood glucose, (2)Anuria, (3)Urination impaired due to urinary tract stricture, urinary calculus, tumor in urinary tract, or other cause 7. Subjects with a history of any of the following diseases: (1)Sustained ventricular tachycardia or ventricular fibrillation within 30 days prior to the screening examination in patients without an implanted defibrillator, (2)Cerebrovascular disorder within 6 months prior to the screening examination (other than asymptomatic cerebral infarction), (3)Hypersensitivity or idiosyncratic reaction to benzazepine derivatives such as mozavaptan hydrochloride or benazepril hydrochloride. 8. Subjects who are obese \[body mass index (BMI, body weight (kg)/height (m)2 exceeding 35\] 9. Patients with supine systolic blood pressure exceeding 90 mmHg 10. Subjects with any of following abnormal laboratory values: (1)Total bilirubin exceeding 3.0 mg/dL, (2)serum creatinine exceeding 3.0 mg/dL, (3)serum sodium exceeding 147 mEq/L, (4)serum potassium exceeding 5.5 mEq/L 11. Patients who are unable to take oral medication 12. Female subjects who are pregnant, possibly pregnant, or lactating, or who plan to become pregnant 13. Subjects who received any investigational drug other than OPC-41061 within 30 days prior to the screening examination 14. Subjects who previously participated in this or any other study of OPC-41061 and received OPC-41061 15. Subjects otherwise judged by the investigator or subinvestigator to be inappropriate for inclusion in the study

Design outcomes

Primary

MeasureTime frameDescription
Body Weight (Amount of Change)baseline, Day 7 or at the time of final trial drug administrationChange in body weight from baseline at the time of final trial drug administration

Secondary

MeasureTime frameDescription
Body Weight (Percent Change)baseline, Day 7 or at the time of final trial drug administrationPercent change in body weight from baseline at the time of final trial drug administration

Countries

Japan

Participant flow

Participants by arm

ArmCount
Placebo
0 mg of OPC-41061 per day for 7days p.o. administration
57
OPC-41061
15mg of OPC-41061 per day for 7days p.o. administration
53
Total110

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event35
Overall StudyLack of Efficacy10
Overall StudyProtocol Violation10
Overall StudyResolution of signs and symptoms02

Baseline characteristics

CharacteristicOPC-41061PlaceboTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
41 Participants38 Participants79 Participants
Age, Categorical
Between 18 and 65 years
12 Participants19 Participants31 Participants
Age, Continuous71.3 years
STANDARD_DEVIATION 10.6
71.0 years
STANDARD_DEVIATION 10.9
71.2 years
STANDARD_DEVIATION 10.7
Region of Enrollment
Japan
53 participants57 participants110 participants
Sex: Female, Male
Female
18 Participants18 Participants36 Participants
Sex: Female, Male
Male
35 Participants39 Participants74 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
31 / 5728 / 53
serious
Total, serious adverse events
7 / 572 / 53

Outcome results

Primary

Body Weight (Amount of Change)

Change in body weight from baseline at the time of final trial drug administration

Time frame: baseline, Day 7 or at the time of final trial drug administration

ArmMeasureValue (MEAN)Dispersion
PlaceboBody Weight (Amount of Change)-0.45 KgStandard Deviation 0.93
OPC-41061 15mgBody Weight (Amount of Change)-1.54 KgStandard Deviation 1.61
p-value: <0.000195% CI: [-1.58, -0.6]t-test, 2 sided
Secondary

Body Weight (Percent Change)

Percent change in body weight from baseline at the time of final trial drug administration

Time frame: baseline, Day 7 or at the time of final trial drug administration

ArmMeasureValue (MEAN)Dispersion
PlaceboBody Weight (Percent Change)-0.77 percentage of body weight (Kg)Standard Deviation 1.65
OPC-41061 15mgBody Weight (Percent Change)-2.50 percentage of body weight (Kg)Standard Deviation 2.55
p-value: <0.000195% CI: [-2.54, -0.92]t-test, 2 sided

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026