Optimizing the Use of Ketamine to Reduce Chronic Postsurgical Pain (KALPAS)
Chronic Postsurgical Pain
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