After Cardiac SurgeryrhBNPNCT07086287
Evaluation of the Efficacy of rhBNP in Patients With Diuretic Resistance After Cardiac Surgery
A study testing rhBNP and standard basic treatment in people with After Cardiac Surgery and Diuretic Resistance, run by The First Affiliated Hospital of Anhui Medical University at 1 site in China.
Trial summary
evaluation of the efficacy of recombinant human brain natriuretic peptide in patients with diuretic resistance after cardiac surgery: a prospective single-center single-blind randomized controlled study Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- After Cardiac Surgery, Diuretic Resistance
- What is being tested?
- rhBNP and standard basic treatment
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 120 participants
- Where
- 1 siteChina
- Study dates
- 1 Aug 2025to 30 Jun 2028
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- (1) Adult patients after cardiac surgery (age ≥ 18 years) (2) Fluid overload (3) Diuretic resistance Definition: Daily intravenous use of furosemide at a dose ≥ 80mg or equivalent doses of other diuretics, yet still unable to achieve an adequate urine output of 0.5~1.0mL/kg/h. Conversion formula for different loop diuretics: Oral furosemide 80mg = Intravenous furosemide 40mg = Oral/Intravenous torsemide 20mg = Oral/Intravenous bumetanide 1mg (4) Willing to participate in the trial and sign the informed consent form.
Who cannot join
- (1) Preoperative CKD patients undergo regular dialysis treatment; (2) Postoperative use of CRRT; (3) Drug allergies involved in this study; (4) Those with corrected systolic blood pressure still < 90 mmHg after vasopressor use.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
China1 site
the First Affiliated Hospital of Anhui Medical University
Hefei, Anhui, 230000
Gong qian, Doctor, +8618226616000, 54xiaoqian@sina.com
About this study
Official title: Evaluation of the Efficacy of Recombinant Human Brain Natriuretic Peptide in Patients With Diuretic Resistance After Cardiac Surgery: a Prospective Single-center Single-blind Randomized Controlled Study
evaluation of the efficacy of recombinant human brain natriuretic peptide in patients with diuretic resistance after cardiac surgery: a prospective single-center single-blind randomized controlled study
Read the detailed description
Postoperative adult patients (aged ≥18 years) with fluid overload were randomly assigned to groups, divided into the rhBNP group and the control group. The control group received positive inotropic agents, increased mean arterial pressure, restricted fluid intake, and increased the dosage of diuretics. The rhBNP group received conventional treatment in addition to a loading dose of 1.5-2 μg/kg intravenously, according to the instructions, to maintain a dosage of 0.0075-0.01 μg/kg/min continuously infused via intravenous pump for 72 hours, with dosage adjusted based on blood pressure. The grouping of subjects was concealed, and researchers were not allowed to access grouping information before the analysis was completed, with early unblinding prohibited. The primary research endpoint was the incidence of renal replacement therapy. Secondary research endpoints included the duration of tracheal intubation after cardiac surgery, CICU time after cardiac surgery, and length of hospitalization after cardiac surgery. Blood and urine samples were collected at the time of enrollment, 1 hour after maintaining the rhBNP dosage of 0.0075-0.01 μg/kg/min, and at 24 hours, 48 hours, and 72 hours after medication administration.
- Conditions
- After Cardiac Surgery, Diuretic Resistance
- Being tested
- rhBNP and standard basic treatment
- Keywords
- recombinant human brain natriuretic peptide, diuretic resistance, after cardiac surgery, the incidence of renal replacement therapy
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
rhBNP and standard basic treatmentDrug
After administering a bolus of rhBNP at 1.5-2 μg/kg intravenously, a maintenance dose of 0.0075-0.01 μg/kg/min is continuously infused intravenously for 72 hours, with the dosage adjusted based on blood pressure and heart rate; the control group receives standard basic treatment.
| Study group | Role | What they receive |
|---|---|---|
| rhBNP group | Experimental | The rhBNP group was given positive inotropic agents, increased mean arterial pressure, restricted intake, and increased the dosage of diuretics. At the same time, rhBNP will be administered a venous loading dose of 1.5~2μg/kg, refer to the instructions for a maintenance dose of 0.0075-0.01μg/kg/min for continuous intravenous infusion for 72 hours. Receives: Drug: rhBNP and standard basic treatment |
| control group | No intervention | The control group was given positive inotropic agents, increased mean arterial pressure, restricted intake, and increased the dosage of diuretics without rhBNP. |
What is being measured
The primary outcome is the main question the study is designed to answer.
the incidence of renal replacement therapy
Indications for initiating renal replacement therapy (RRT): (1) Severe electrolyte disturbances, such as blood potassium >6.5 mmol/L with ECG abnormalities, or ineffective drug treatment; (2) Metabolic acidosis, pH <7.15 and HCO₃-<12 mmol/L, excluding respiratory factors; (3) Volume overload, pulmonary edema/persistent heart failure, and unresponsive to diuretics (e.g., urine output <200ml/2h during furosemide stress test positive); (4) Toxin removal, rhabdomyolysis (creatine kinase (CK) > 5000 U/L with acute kidney injury).
Measured: From enrollment to discharge: at enrollment, the maintenance dose of rhBNP is 0.0075-0.01ug/kg/min, after 1 hour, 24 hours, 48 hours, and 72 hours post-medication.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted25 Jul 2025
- Study start1 Aug 2025 (estimated)
- Primary completion30 Nov 2026 (estimated)
- Study completion30 Jun 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (6)Papers the sponsor has linked to this study.
- Other trials for After Cardiac SurgeryStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Participant
- Enrolment
- 120 participants (estimated)
Sponsor and investigators
- Lead sponsor
- The First Affiliated Hospital of Anhui Medical University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, GONG QIAN, The First Affiliated Hospital of Anhui Medical University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07086287
- Sponsor's protocol ID
- rhBNP with diuretic resistance
- Acronym
- rhBNP
- Status last verified
- Jul 2025
- First submitted
- 27 Jun 2025
- Last updated
- 25 Jul 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: 2030-01-01 Publication of academic papers
Publications
Kourek C, Briasoulis A, Giamouzis G, Skoularigis J, Xanthopoulos A. Lyophilized recombinant human brain natriuretic peptide: A promising therapy in patients with chronic heart failure. World J Clin Cases. 2023 Dec 26;11(36):8603-8605. doi: 10.12998/wjcc.v11.i36.8603.
PubMed 38188212Li X, Wang R, Sun D, Yao Y, Wang T, Luo G, Liu M, Xu J, Cheng Z, Gao Q, Wang Y, Wu C, Xu G, Lv T, Zou J, Yan M. Risk Factors for Hypocoagulability After Cardiac Surgery: A Retrospective Study. Clin Appl Thromb Hemost. 2023 Jan-Dec;29:10760296231209927. doi: 10.1177/10760296231209927.
PubMed 37933155Thanavaro J, Taylor J, Vitt L, Guignon MS. Predictors and Outcomes of Acute Kidney Injury after Cardiac Surgery. Nephrol Nurs J. 2019 Jan-Feb;46(1):31-40.
PubMed 30835094Gong B, Wu Z, Li Z. Efficacy and safety of nesiritide in patients with decompensated heart failure: a meta-analysis of randomised trials. BMJ Open. 2016 Jan 6;6(1):e008545. doi: 10.1136/bmjopen-2015-008545.
PubMed 26739721Yancy CW, Krum H, Massie BM, Silver MA, Stevenson LW, Cheng M, Kim SS, Evans R; FUSION II Investigators. Safety and efficacy of outpatient nesiritide in patients with advanced heart failure: results of the Second Follow-Up Serial Infusions of Nesiritide (FUSION II) trial. Circ Heart Fail. 2008 May;1(1):9-16. doi: 10.1161/CIRCHEARTFAILURE.108.767483.
PubMed 19808265Wang H, Li Y, Chai K, Long Z, Yang Z, Du M, Wang S, Zhan S, Liu Y, Wan Y, Wang F, Yin P, Li W, Liao Y, Dong Y, Li X, Zhou J, Yiu KH, Zhou M, Huo Y, Yang J. Mortality in patients admitted to hospital with heart failure in China: a nationwide Cardiovascular Association Database-Heart Failure Centre Registry cohort study. Lancet Glob Health. 2024 Apr;12(4):e611-e622. doi: 10.1016/S2214-109X(23)00605-8.
PubMed 38485428
Study at a glance
From the registry record, last updated by the sponsor on 25 Jul 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Evaluation of the Efficacy of Recombinant Human Brain Natriuretic Peptide in Patients With Diuretic Resistance After Cardiac Surgery: a Prospective Single-center Single-blind Randomized Controlled Study
- ClinicalTrials.gov ID
- NCT07086287
- Acronym / sponsor ID
- rhBNP / rhBNP with diuretic resistance
- Conditions
- After Cardiac Surgery, Diuretic Resistance
- Keywords
- recombinant human brain natriuretic peptide, diuretic resistance, after cardiac surgery, the incidence of renal replacement therapy
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 120 participants (estimated)
- Lead sponsor
- The First Affiliated Hospital of Anhui Medical UniversityUniversity, hospital or other
- Study start
- 1 Aug 2025 (estimated)
- Primary completion
- 30 Nov 2026 (estimated)
- Study completion
- 30 Jun 2028 (estimated)
- First posted
- 25 Jul 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
evaluation of the efficacy of recombinant human brain natriuretic peptide in patients with diuretic resistance after cardiac surgery: a prospective single-center single-blind randomized controlled study
Detailed description
Postoperative adult patients (aged ≥18 years) with fluid overload were randomly assigned to groups, divided into the rhBNP group and the control group. The control group received positive inotropic agents, increased mean arterial pressure, restricted fluid intake, and increased the dosage of diuretics. The rhBNP group received conventional treatment in addition to a loading dose of 1.5-2 μg/kg intravenously, according to the instructions, to maintain a dosage of 0.0075-0.01 μg/kg/min continuously infused via intravenous pump for 72 hours, with dosage adjusted based on blood pressure. The grouping of subjects was concealed, and researchers were not allowed to access grouping information before the analysis was completed, with early unblinding prohibited. The primary research endpoint was the incidence of renal replacement therapy. Secondary research endpoints included the duration of tracheal intubation after cardiac surgery, CICU time after cardiac surgery, and length of hospitalization after cardiac surgery. Blood and urine samples were collected at the time of enrollment, 1 hour after maintaining the rhBNP dosage of 0.0075-0.01 μg/kg/min, and at 24 hours, 48 hours, and 72 hours after medication administration.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (participant)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| rhBNP group | Experimental | Drug: rhBNP and standard basic treatmentThe rhBNP group was given positive inotropic agents, increased mean arterial pressure, restricted intake, and increased the dosage of diuretics. At the same time, rhBNP will be administered a venous loading dose of 1.5~2μg/kg, refer to the instructions for a maintenance dose of 0.0075-0.01μg/kg/min for continuous intravenous infusion for 72 hours. |
| control group | No intervention | –The control group was given positive inotropic agents, increased mean arterial pressure, restricted intake, and increased the dosage of diuretics without rhBNP. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- (1) Adult patients after cardiac surgery (age ≥ 18 years) (2) Fluid overload (3) Diuretic resistance Definition: Daily intravenous use of furosemide at a dose ≥ 80mg or equivalent doses of other diuretics, yet still unable to achieve an adequate urine output of 0.5~1.0mL/kg/h. Conversion formula for different loop diuretics: Oral furosemide 80mg = Intravenous furosemide 40mg = Oral/Intravenous torsemide 20mg = Oral/Intravenous bumetanide 1mg (4) Willing to participate in the trial and sign the informed consent form.
Key exclusion criteria (1 listed)
- (1) Preoperative CKD patients undergo regular dialysis treatment; (2) Postoperative use of CRRT; (3) Drug allergies involved in this study; (4) Those with corrected systolic blood pressure still < 90 mmHg after vasopressor use.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| rhBNP and standard basic treatmentAfter administering a bolus of rhBNP at 1.5-2 μg/kg intravenously, a maintenance dose of 0.0075-0.01 μg/kg/min is continuously infused intravenously for 72 hours, with the dosage adjusted based on blood pressure and heart rate; the control group receives standard basic treatment. | Drug | rhBNP group |
Primary outcome
the incidence of renal replacement therapy
Time frame: From enrollment to discharge: at enrollment, the maintenance dose of rhBNP is 0.0075-0.01ug/kg/min, after 1 hour, 24 hours, 48 hours, and 72 hours post-medication.
Indications for initiating renal replacement therapy (RRT): (1) Severe electrolyte disturbances, such as blood potassium >6.5 mmol/L with ECG abnormalities, or ineffective drug treatment; (2) Metabolic acidosis, pH <7.15 and HCO₃-<12 mmol/L, excluding respiratory factors; (3) Volume overload, pulmonary edema/persistent heart failure, and unresponsive to diuretics (e.g., urine output <200ml/2h during furosemide stress test positive); (4) Toxin removal, rhabdomyolysis (creatine kinase (CK) > 5000 U/L with acute kidney injury).
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 Jul 2025.
- Results publication: PubMed 38188212Kourek C, Briasoulis A, Giamouzis G, Skoularigis J, Xanthopoulos A. Lyophilized recombinant human brain natriuretic peptide: A promising therapy in patients with chronic heart failure. World J Clin Cases. 2023 Dec 26;11(36):8603-8605. doi: 10.12998/wjcc.v11.i36.8603.
- Results publication: PubMed 37933155Li X, Wang R, Sun D, Yao Y, Wang T, Luo G, Liu M, Xu J, Cheng Z, Gao Q, Wang Y, Wu C, Xu G, Lv T, Zou J, Yan M. Risk Factors for Hypocoagulability After Cardiac Surgery: A Retrospective Study. Clin Appl Thromb Hemost. 2023 Jan-Dec;29:10760296231209927. doi: 10.1177/10760296231209927.
- Results publication: PubMed 30835094Thanavaro J, Taylor J, Vitt L, Guignon MS. Predictors and Outcomes of Acute Kidney Injury after Cardiac Surgery. Nephrol Nurs J. 2019 Jan-Feb;46(1):31-40.
- Results publication: PubMed 26739721Gong B, Wu Z, Li Z. Efficacy and safety of nesiritide in patients with decompensated heart failure: a meta-analysis of randomised trials. BMJ Open. 2016 Jan 6;6(1):e008545. doi: 10.1136/bmjopen-2015-008545.
- Results publication: PubMed 19808265Yancy CW, Krum H, Massie BM, Silver MA, Stevenson LW, Cheng M, Kim SS, Evans R; FUSION II Investigators. Safety and efficacy of outpatient nesiritide in patients with advanced heart failure: results of the Second Follow-Up Serial Infusions of Nesiritide (FUSION II) trial. Circ Heart Fail. 2008 May;1(1):9-16. doi: 10.1161/CIRCHEARTFAILURE.108.767483.
- Results publication: PubMed 38485428Wang H, Li Y, Chai K, Long Z, Yang Z, Du M, Wang S, Zhan S, Liu Y, Wan Y, Wang F, Yin P, Li W, Liao Y, Dong Y, Li X, Zhou J, Yiu KH, Zhou M, Huo Y, Yang J. Mortality in patients admitted to hospital with heart failure in China: a nationwide Cardiovascular Association Database-Heart Failure Centre Registry cohort study. Lancet Glob Health. 2024 Apr;12(4):e611-e622. doi: 10.1016/S2214-109X(23)00605-8.
- China Clinical Trial Registration CenterLink provided by the sponsor.
- Individual participant dataSharing planned: Yes. 2030-01-01 Publication of academic papers
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing rhBNP and standard basic treatment in people with After Cardiac Surgery and Diuretic Resistance, run by The First Affiliated Hospital of Anhui Medical University at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: opening soon, as of the sponsor's last update on 25 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact qian gong (+86-18226616000, 54xiaoqian@sina.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
the incidence of renal replacement therapy (time frame: From enrollment to discharge: at enrollment, the maintenance dose of rhBNP is 0.0075-0.01ug/kg/min, after 1 hour, 24 hours, 48 hours, and 72 hours post-medication.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT07086287, which also lists 6 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Jul 2025.