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Bleeding Reduction in Acute and Chronic Kidney Patients Having Surgery (BRACKETS) Pilot Trial

RecruitingPhase 3

Sponsor: Hamilton Health Sciences Corporation

Conditions: Chronic Kidney Diseases, Acute Kidney Injury, Bleeding, Surgery

Interventions: Desmopressin Injectable Solution, Tranexamic Acid Injectable Product, Placebo

Countries: Canada

The BRACKETS pilot study is a multicentre, prospective, randomized controlled trial of prophylactic preoperative tranexamic acid (TXA) versus placebo and, using a partial factorial design, of prophylactic preoperative desmopressin versus placebo.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Eligibility criteria specific to the tranexamic acid (TXA) factorial component of trial Inclusion Criteria:

1. One of either:

   1.1. eGFR \<25 ml/min/1.73m2 estimated using the CKD-Epi 2009 or 2021creatinine-based equation from the most recent serum creatinine measurement done in the previous 6 months; or 1.2. Receipt of dialysis (including hemodialysis, peritoneal dialysis, hemofiltration, or hemodiafiltration) within the last 7 days;
2. Planned noncardiac surgery (elective, urgent, or emergency surgery);
3. Expected to require at least an overnight hospital admission after surgery;
4. Age ≥18 years; and
5. Informed consent is obtained to participate in the BRACKETS-Pilot Trial.

Exclusion Criteria:

1. Undergoing cardiac surgery;
2. Undergoing intracranial neurosurgery;
3. Undergoing surgery for creation or revision of arteriovenous fistula or graft for dialysis access;
4. Planned use of prophylactic systemic TXA or ϵ-aminocaproic acid;
5. Hypersensitivity or known allergy to TXA;
6. History of seizure disorder;
7. Recent (within 90 days) stroke, myocardial infarction, acute arterial thrombosis, deep venous thrombosis, pulmonary embolism, or thrombosis of an arteriovenous fistula or graft;
8. History of thrombotic thrombocytopenic purpura, atypical hemolytic uremic syndrome, or antiphospholipid antibody syndrome;
9. Women who are known to be pregnant, breastfeeding, or who meet both of the following criteria: i) are of childbearing potential and do not have a negative pregnancy test documented in the 7 days before surgery, AND ii) are not using effective contraception; or
10. Previously enrolled in the BRACKETS-Pilot Trial.

Eligibility criteria specific to the desmopressin factorial component of trial

Inclusion criteria:

1\. Included in the TXA factorial.

Exclusion criteria:

1. The hospital does not have access to desmopressin;
2. Planned use of prophylactic desmopressin;
3. Most recent serum sodium concentration \< 130 mEq/L;
4. Known or suspected von Willebrand disease (any kind), hemophilia, or platelet function disorder; or
5. Hypersensitivity or known allergy to desmopressin.

Locations (3)

London, Ontario, Canada
Montreal, Quebec, Canada
Montreal, Quebec, Canada