Ketamine for Post-operative Analgesia in Hemorrhoidectomy
Recruiting
Phase 4Interventional Study
Hemorrhoids
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Prior Safety Data
This treatment has already been tested in at least one earlier human trial.
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At a Glance
Age
18 – 100
Sex
Any
Trial phase
Phase 4
Study type
Interventional
Purpose
Treatment
Participants needed
100 (estimated)
Sponsor
University of Oklahoma · Other
Who this trial is looking for
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This is a prospective, randomized study of ketamine versus no ketamine in approximately 100 patients undergoing hemorrhoidectomy for Grade III or IV hemorrhoids. The participants will be blinded to which treatment arm they are assigned, because participants will be under anesthesia when the ketamine is administered. The investigators will know whether the participant receives ketamine or not.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Adults aged 18-100
* Undergoing a hemorrhoidectomy for Grade III or IV hemorrhoids.
Exclusion Criteria:
* Inability to undergo general anesthesia
* Contraindications to hemorrhoidectomy
* History of schizophrenia or other hallucinatory psychiatric illnesses
* History of psyc…
Inclusion Criteria:
* Adults aged 18-100
* Undergoing a hemorrhoidectomy for Grade III or IV hemorrhoids.
Exclusion Criteria:
* Inability to undergo general anesthesia
* Contraindications to hemorrhoidectomy
* History of schizophrenia or other hallucinatory psychiatric illnesses
* History of psychosis
* Chronic narcotic usage defined as either having a pain contract with a pain management specialist and no narcotic usage for one month prior to hemorrhoidectomy.
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