Managing Heart Failure and Kidney Disease Together: Challenges and Evidence Gaps | Research

The takeaway

A review highlights the bidirectional harm between heart failure and CKD, noting major evidence gaps because kidney disease patients are systematically excluded from heart failure trials.

Systematic exclusion from trials
Advanced CKD patients underrepresented in pivotal heart failure studies

What the researchers found

Systematic exclusion of CKD patients from heart failure trials creates major evidence gaps for co-management of these frequently coexisting conditions.

Why it matters

Millions of patients have both heart failure and CKD, yet clinicians must make treatment decisions with limited evidence specifically tested in this combined population.

How the study worked

Narrative review of pathophysiology, clinical trial evidence, and management challenges for coexisting heart failure and CKD.

What this study cannot tell us

Narrative review — selective literature coverage; does not generate new evidence to fill the identified gaps.

How to read the evidence

Narrative review — identifies knowledge gaps rather than providing new evidence.

When this study was published

Published 2026 in Cureus. Reflects ongoing challenges in cardio-renal research.

The bigger picture

The persistent exclusion of complex patients from clinical trials is a systemic problem that leaves real-world clinicians without adequate evidence for their most challenging cases.

Questions still open

Will ongoing trials address CKD patient inclusion in heart failure research?
Should dedicated heart-kidney outcome trials become mandatory for new cardiac therapies?

Common questions

Why do heart failure and kidney disease make each other worse?

The heart and kidneys share regulatory systems. When one fails, fluid overload, neurohormonal activation, and inflammation cascade to damage the other organ.

Why are kidney patients left out of heart failure trials?

Researchers often exclude advanced CKD patients due to safety concerns and complexity, but this means treatments are approved without evidence in the very patients who need them most.

Read the original research

The Intersection of Heart Failure and Chronic Kidney Disease: Challenges in Co-management.

Cureus, 18(1), e100993

View on PubMed ↗Publisher’s paper ↗

Citation

Alvi, Amaan; Singamala, Hithyshi; Gadde, Sai Surya Vamsi; Javvaji, Chaitanya Kumar. (2026). The Intersection of Heart Failure and Chronic Kidney Disease: Challenges in Co-management.. Cureus, 18(1), e100993. https://doi.org/10.7759/cureus.100993