- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02343393
Nitrates In Combination With Hydralazine in cardiorEnal Syndrome (NICHE) Study (NICHE)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Cardiorenal syndrome (CRS), where renal failure and heart failure (HF) co-exist in a vicious cycle, is a very common problem of great morbidity and mortality. The management of CRS is challenging as therapeutic options are mutually contradictory and largely empirical.
Endothelial dysfunction from oxidative injury has recently emerged as a common link between the failing heart and kidneys in CRS. The endothelium plays an obligatory role in cardiovascular homeostasis, and impaired endothelium-mediated nitric oxide (NO) bioavailability is the hallmark of endothelial dysfunction. There is a high prevalence of endothelial dysfunction in our Asian HF patients, with a greater degree of dysfunction seen in those with CRS. We hypothesise that targeting endothelial dysfunction may improve clinical status among Asian patients with CRS.
Isosorbide dinitrate (ISDN) increases NO bioavailability. Concomitant hydralazine (H) therapy prevents nitrate tolerance and protects NO from oxidative stress-induced degradation. The synergistic combination of H-ISDN is thought to exert beneficial effects on the endothelium.
We aim to perform a prospective randomised controlled trial to assess the effect of H-ISDN therapy for 6 months on exercise capacity, endothelial function, renal function, clinical outcomes and quality of life (QOL) in Asian patients with CRS. Specifically, we hypothesise that H-ISDN therapy will lead to improvement in exercise capacity (6 minute walk test (6MWT)), endothelial dysfunction (assessed by non-invasive peripheral arterial tonometry(PAT)), renal function, cardiac structure and function, clinical outcomes (all-cause mortality, HF hospitalisations) and QOL in Asian patients with CRS.
Study Type
Enrollment (Anticipated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Su Ping Carolyn Lam, MBBS, MRCP, MS
- Email: carolyn_lam@nuhs.edu.sg
Study Locations
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Singapore, Singapore, 529889
- Not yet recruiting
- Changi General Hospital
-
Contact:
- Kui Toh Gerard Leong, MBBS, MRCP, MS
- Email: gerard_leong@cgh.com.sg
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Principal Investigator:
- Kui Toh Gerard Leong, MBBS, MRCP, MS
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Singapore, Singapore, 169609
- Not yet recruiting
- National Heart Centre Singapore
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Contact:
- Kheng Leng David Sim, MBBS, MRCP, MS
- Email: david_sim@nhcs.com.sg
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Principal Investigator:
- Kheng Leng David Sim, MBBS, MRCP, MS
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Singapore, Singapore, 119228
- Recruiting
- National University Hospital, Singapore
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Contact:
- Shir Lynn Lim, MBBS, MRCP, MMed
- Email: shir_lynn_lim@nuhs.edu.sg
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Principal Investigator:
- Shir Lynn Lim, MBBS, MRCP, MMed
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- At least 21 years of age
- Asian patients with symptomatic HF (regardless of EF) and renal impairment (eGFR<60ml/min/1.73m2)
- At least one hospitalisation for HF during the preceeding year
- On stable (at least 1 month) optimal medical therapy (maximum tolerated doses of ACE inhibitors or ARBs, beta blockers and aldosterone antagonists for HFREF, and optimally managed cardiovascular risk factors for HFPEF)
- Able to complete 6 minute walk test (6MWT)
- Able to maintain a systolic blood pressure ≥100mmHg
- Able to provide written informed consent
Exclusion Criteria:
- On chronic therapy with hydralazine and/or nitrates.
- Known hypersensitivity to hydralazine and/or nitrates
- Concurrent use of phosphodiesterase type 5 (PDE5) inhibitors
- Females who are pregnant, nursing, or of childbearing potential and not practising effective contraception
- Have had acute myocardial infarction, unstable or stable angina pectoris, or a cerebrovascular accident within the last 3 months
- Have had cardiac revascularisation within the last 3 months or are likely to require coronary revascularisation within the study period
- Have had cardiac arrest or life-threatening ventricular arrhythmia requiring intervention within 3 months
- Rapidly deteriorating HF (2 admissions for acute decompensated HF, not due to non-compliance, within 6 months)
- eGFR< 15ml/min/1.73m2, or on regular dialysis, or planned dialysis within the study period
- Serious medical condition, emergency condition, uncontrolled systemic disease or any other medical condition that, in the judgement of the investigator, prohibits the patient from entering or potentially completing the study
- Planned participation in any other interventional study or having received trial medication in the last 4 weeks within a clinical trial
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: H-ISDN
Eligible patients randomised to treatment arm will be initiated on a starting dose of hydralazine 60mg and ISDN 30mg daily (20/10mg three times daily).
After 7 days following the first dose, if the starting medication is well-tolerated, the patient is instructed to double the dose of study medication to the target maintenance dose of hydralazine 120mg and ISDN 60mg daily for 24 weeks
|
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No Intervention: Standard Medical Therapy
Current standard HF therapy include the use of beta-blockers, ACE inhibitors/ARBs and diuretics.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Effort tolerance by assessing 6 Minute Walk Test (6MWT)
Time Frame: 24 weeks
|
24 weeks
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Endothelial function as measured via a reactive hyperaemic index (RHI) by Peripheral Arterial Tonometry (PAT)
Time Frame: 24 weeks
|
24 weeks
|
Renal function (eGFR, Cystatin C, markers of kidney injury (proteinuria as quantified by urine protein-creatinine ratio (uPCR), NGAL))
Time Frame: 24 weeks
|
24 weeks
|
Cardiac structure and function by 2D and Doppler echocardiography
Time Frame: 24 weeks
|
24 weeks
|
Quality of Life by self-reported 36-item Short Form Health Survey (SF-36)
Time Frame: 24 weeks
|
24 weeks
|
Clinical outcomes by recording deaths and HF hospitalisations
Time Frame: 24 weeks
|
24 weeks
|
Collaborators and Investigators
Collaborators
Investigators
- Study Chair: Su Ping Carolyn Lam, MBBS, MRCP, MS, National University Hospital, Singapore
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Heart Diseases
- Cardiovascular Diseases
- Kidney Diseases
- Urologic Diseases
- Disease
- Renal Insufficiency
- Heart Failure
- Syndrome
- Cardio-Renal Syndrome
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Vasodilator Agents
- Natriuretic Agents
- Diuretics, Osmotic
- Diuretics
- Nitric Oxide Donors
- Isosorbide
- Isosorbide Dinitrate
- Isosorbide-5-mononitrate
- Hydralazine
Other Study ID Numbers
- NICHE
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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