Phase 1 Cardiomyopathy Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have been diagnosed with heart failure
- Your doctors are not planning to change your heart failure medications or devices during the study
- You have not had an unplanned hospital stay in the last 2 months
- Your fluid levels are considered stable and well-controlled by your medical team
- Your blood potassium level is 5.0 or below (confirm with trial site)
- Your blood sodium level is 130 or above (confirm with trial site)
- Your blood count (hemoglobin) is at or above a minimum level showing you are not severely anaemic (confirm with trial site)
- You are over 18 years old
- Testing shows that your water tablet (diuretic) medication is not working as well as it should, based on a specific urine test done during a screening visit
Who may not be able to join:
- Your kidneys are functioning at a very low level (confirm with trial site)
- You have taken certain types of water tablets (non-loop diuretics, except for low-dose spironolactone) in the last 7 days
- You have a history of sudden severe fluid build-up in the lungs, or a type of heart failure that is very sensitive to fluid changes, such as amyloid heart disease
- Your blood count (hemoglobin) is below the minimum required level
- You are currently pregnant or breastfeeding
- You have cirrhosis or any known liver disease or liver failure
- You have had a blood acid-balance problem (acidosis) in the last 30 days
- You are taking metformin, acetazolamide, or any other medication that could affect your blood's acid balance (unless metformin can be safely stopped during the study and your blood sugar is well-controlled)
- Your blood bicarbonate or blood pH levels are below the required range at your screening visit (confirm with trial site)
- You are unable to give written consent or are unable to follow the study schedule and visits
- You are taking lithium
- You are taking pimozide or thioridazine
- You have a known allergy or medical reason that prevents you from taking sulfonamide-based medicines or thiazide diuretics (a type of water tablet)
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Jeffrey Testani, MD, Yale University
Phone: 2037373571
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Change of distal sodium reabsorption(ADRNa) between NH4Cl vs. placebo study visits; Change of distal sodium reabsorption(ADRNa) between NH4Cl vs. placebo study visits
Can't join this trial?
Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.