Optimizing the Use of Ketamine to Reduce Chronic Postsurgical Pain (KALPAS)
Chronic Postsurgical Pain
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About this trial
This is an interventional supportive care trial for Chronic Postsurgical Pain focused on measuring Mastectomy, Post-Mastectomy, Ketamine
Eligibility Criteria
Inclusion Criteria:
- Woman 18 years of age or older
- Undergoing elective breast surgery for oncologic indication as follows: unilateral or bilateral mastectomy, prophylacticmastectomy, +/- lymph node dissection, +/- immediate or delayed reconstruction.
- No distant metastases
Exclusion Criteria:
- History of cognitive impairment or clinical signs of altered mental status (AMS) that may interfere with adherence to study procedures and/or participant safety. Clinical signs of AMS may include but are not limited to: confusion, amnesia, disorientation, fluctuating levels of alertness, etc.
- Past ketamine or phencyclidine misuse or abuse
- Schizophrenia or history of psychosis
- History of post-traumatic stress disorder
- Known sensitivity or allergy to ketamine
- Liver or renal insufficiency
- History of uncontrolled hypertension, chest pain, cardiac arrhythmia, stroke, head trauma, intracranial mass or hemorrhage, glaucoma, porphyria, uncontrolled thyroid disease, or other contraindication to ketamine
- Lamotrigine, alfentanil, physostigmine, or 4-aminopyridine use
- Currently Pregnant
- Body mass index (BMI) greater than 35
- Non-English or non-Spanish speaker
- Currently participating in another pain interventional trial
- Unwilling to comply with all study procedures and be available for the duration of the study
- Patient is American Society of Anesthesiologists (ASA) physical status 4, 5, or 6
- Patient has started or undergone hormone therapy for gender transition into male.
- Patient scheduled for any bilateral (or greater) flap reconstruction
Sites / Locations
- University of Alabama at BirminghamRecruiting
- University of ArkansasRecruiting
- Rush University Medical CenterRecruiting
- Brigham and Women's Hospital - Harvard UniversityRecruiting
- Mayo ClinicRecruiting
- Washington University at St. Louis Medical CenterRecruiting
- Montefiore Medical Center - Albert Einstein College of MedicineRecruiting
- NYU Langone Health (Tisch Hospital, Kimmel Pavilion)Recruiting
- New York Presbyterian Columbia University Irving Medical CenterRecruiting
- Memorial Sloan Kettering Cancer CenterRecruiting
- University of Pittsburgh - Magee Women's HospitalRecruiting
- University of Texas - Southwestern Medical CenterRecruiting
- University of Texas - MD Anderson Cancer CenterRecruiting
- University of Washington Medical CenterRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Active Comparator
Active Comparator
Placebo Comparator
Arm 1 Continuous ketamine infusion group
Arm 2 Ketamine + Saline group
Arm 3 Placebo group
Continuous ketamine infusion (0.35 mg/kg after induction, followed by 0.25 mg/kg/hr until 2 hours after surgery) plus saline IV dose in post-anesthesia care unit
Saline dose and infusion intraoperatively, then single-dose IV ketamine (0.60 mg/kg) in post-anesthesia care unit plus 2 hours of saline administration after surgery
Placebo, Saline dose and infusion intraoperatively, then saline IV dose in post-anesthesia care unit plus 2 hours of saline administration after surgery