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Evaluation of CLP With and Without Spironolactone in Heart Failure Patients With Chronic Kidney Disease

This study has been completed.
Information provided by (Responsible Party):
Sorbent Therapeutics Identifier:
First received: May 11, 2012
Last updated: July 12, 2013
Last verified: July 2013
The purpose of this study is to determine the effects of CLP, with and without spironolactone, on serum, urine, and fecal contents in heart failure patients with chronic kidney disease.

Condition Intervention Phase
Heart Failure Drug: CLP Drug: Spironolactone Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1, Open-label, Randomized, Crossover Study to Assess the Safety, Tolerability, and Efficacy of CLP With and Without Spironolactone in Adults With Heart Failure

Resource links provided by NLM:

Further study details as provided by Sorbent Therapeutics:

Primary Outcome Measures:
  • Change in Fecal Sodium Content [ Time Frame: baseline average (days 3-6 or days 22-25) and treatment average (days 10-13 or 29-32) ]
    Change =(Days 10-13/29-32 Daily Average)-(Days 3-6/22-25 Daily Average)

Secondary Outcome Measures:
  • Change in Fecal Weight [ Time Frame: baseline average (days 3-6 or 22-25) and treatment average (days 10-13 or 29-32) ]
    Change = (Days 10-13/29-32 Daily Average) - (Days 3-6/22-25 Daily Average)

Enrollment: 18
Study Start Date: June 2012
Study Completion Date: September 2012
Primary Completion Date: September 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: CLP with spironolactone Drug: CLP
Oral administration
Drug: Spironolactone
oral administration
Experimental: CLP without spironolactone Drug: CLP
Oral administration


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Heart failure with New York Heart Association (NYHA) Classification II or III
  • Chronic kidney disease
  • Cardiac ejection fraction <40%
  • On heart failure therapy including an ACEI or ARB, and a BB
  • Willing to understand and comply with study procedures and provide written informed consent.

Exclusion Criteria:

  • Hospitalization within 4 weeks of baseline visit
  • History or presence of gastrointestinal conditions such as severe constipation or gastrointestinal tract strictures
  • Current or anticipated dialysis during study
  • In the investigator's judgment, any cardiovascular, renal, hepatic, endocrine, gastrointestinal, neurological, or other disease or condition that makes the subject's study participation unsafe
  • Drug or alcohol abuse
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01598740

United States, California
Orange Country Research Center
Tustin, California, United States, 92780
Sponsors and Collaborators
Sorbent Therapeutics
Study Chair: Howard Dittrich, MD Sorbent Therapeutics, Study Sponsor
Principal Investigator: Joel Neutel, MD Orange County Research Center
  More Information

Responsible Party: Sorbent Therapeutics Identifier: NCT01598740     History of Changes
Other Study ID Numbers: CTST-25
Study First Received: May 11, 2012
Results First Received: March 22, 2013
Last Updated: July 12, 2013

Additional relevant MeSH terms:
Heart Failure
Heart Diseases
Cardiovascular Diseases
Mineralocorticoid Receptor Antagonists
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Diuretics, Potassium Sparing
Natriuretic Agents processed this record on September 21, 2017