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Biomarker Guided Discharge of Heart Failure Patients

BiomarkeR cAndidates to Guide Discharge of Patients Admitted to Hospital With heARt Failure

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03103932
Acronym
RADAR
Enrollment
750
Registered
2017-04-07
Start date
2017-08-26
Completion date
2026-12-30
Last updated
2026-05-06

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

Conditions

Heart Failure; With Decompensation

Keywords

biomarkers, heart failure, hospital admission

Brief summary

This is a multi-centre, single blind, randomized study. Patients admitted to hospital with acute decompensated heart failure will be randomized to biomarker guided discharge algorithm vs usual care in a 2:1 ratio. NTproBNP and other biomarkers will be measured within 24 hours of admission. The NTproBNP results will be used to further stratify participants randomized to the biomarker guided group into lower and medium to higher risk pathways. Biomarkers will be repeated after 2-3 days and again prior to discharge. Specific care pathways will be followed for each of the lower risk and medium-higher risk groups. Biomarkers will be repeated 30 days post discharge. Participants will be followed with a phone call at 3 months and return for a follow up visit at 6 months post discharge for outcome evaluation.

Detailed description

Care Pathways: Usual care: Participants will be treated for their heart failure symptoms as is usual at each participating institution. NTproBNP results will not be revealed to the care providers. NTproBNP levels of participants randomized to the biomarker guided discharge algorithm will be posted on the participant's medical records. The results will be used by the care providers for decision making according to the predetermined care pathway. Lower risk group: Participants who's admission NTproBNP is below 3,000 pg/ml will be placed into the lower risk group. Discharge planning will start within 24 hours of hospital admission. Symptoms will be treated aggressively. If the NTproBNP level drops to 1,500 pg/ml or below on Day 2-3, the participant will be discharged home. If the NTproBNP level does not drop to below 1,500 pg/ml, the participant will continue on treatment for another day or two and be discharged home when medically stabilized. Medium-higher risk group: Participants who's admission NTproBNP is 3,000 pg/ml or above will be placed into the medium-higher risk group. Symptoms will be treated aggressively. If the NTproBNP level drops to below 3,000 pg/ml on Day 2-3, the participant will follow the lower risk pathway until discharge. If the NTproBNP level remains above 3,000 pg/ml, aggressive treatment of symptoms will continue. Biomarkers will be repeated on Day 6-7. If the NTproBNP level has dropped by at least 30% from admission and the participant is medically stabilized, the participant will be discharged home. If the NTproBNP level has not dropped by at least 30% from admission, treatment will continue until the participant is medically stabilized. This last group will be discharged home on telehealth with daily monitoring. All participants will complete a Quality of Life questionnaire at admission and at the 30 day post discharge follow up.

Interventions

OTHERBiomarker guided discharge algorithm

participants randomized to the biomarker guided discharge algorithm will follow a pre-determined care pathway for treatment of heart failure symptoms based on admission NTproBNP levels

Sponsors

Ottawa Heart Institute Research Corporation
Lead SponsorOTHER
Genome Canada
CollaboratorOTHER
Roche Diagnostics GmbH
CollaboratorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE (Subject, Caregiver)

Masking description

The assigned care pathway will not be revealed to the participant NTproBNP levels will not be revealed to care providers for the group randomized to usual care.

Intervention model description

single blind, strategy based, randomized trial consisting of two main study arms

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients admitted to hospital with a primary diagnosis of acute decompensated heart failure, compatible with the modified Framingham criteria

Exclusion criteria

* Patient unable to provide blood samples or cannot participate in follow-up * Patient with end stage organ failure * Kidney: creatinine \>350 μmol/L or Estimated GFR ≤15 ml/min * Liver dysfunction: liver function test \>2.5 times normal * Lungs: pulmonary FEV1\<50% predicted * Patient requiring intubation * Patient with an admission NTproBNP measurement of \>30,000 pg/ml * Patient listed for heart transplant, or admitted specifically for transplant workup * Patient in cardiogenic shock * Patient with life expectancy of less than 6 months, or has major co-morbidities such as new stroke, cancer, pneumonia, or other serious life threatening illness * Patient with conditions that will make it difficult to discharge from hospital such as a fall or waiting for a long term care bed * Any other significant disease or disorder which, in the opinion of the Investigator, may either put the patient at risk because of participation in the trial, or may bias the result of the trial, or the patient's ability to participate in the trial * Patient who has participated in another research trial involving an investigational product in the past 30 days

Design outcomes

Primary

MeasureTime frameDescription
the total number of days alive and out of hospital during the first 30 days of heart failure diagnosisRandomization to 30 days post randomizationThe investigator will measure te total number of days in hospital for each group

Secondary

MeasureTime frameDescription
the total number of days alive and out of hospital during the first 6 months of follow upRandomization to 6 months post randomizationThe investigator will measure the total number of days in hospital in each group

Countries

Canada

Contacts

CONTACTErmina Moga, MD
emoga@ottawaheart.ca613-696-7000
PRINCIPAL_INVESTIGATORPeter Liu, MD

Ottawa Heart Institute Research Corporation

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 7, 2026