Weeding Out the Problem: The Impact of Preoperative Cannabinoid Use on Pain in the Perioperative Period.
Christopher W Liu, Anuj Bhatia, Arlene Buzon-Tan...
https://pubmed.ncbi.nlm.nih.gov/31425232/Actively Recruiting
Led by University of Michigan · Updated on 2026-02-20
242
Participants Needed
1
Research Sites
52 weeks
Total Duration
Researchers are studying how recreational marijuana or cannabis use affects people undergoing wisdom tooth removal surgery. The study compares two groups those who use marijuanaTHCcannabis and those who do not. The purpose is to observe differences during the procedure, including sedation needs and vital signs, to better understand how cannabis use may relate to sedation and analgesia during this type of surgery. Participants will receive sedation through an IV during their wisdom tooth removal. Researchers will monitor how much sedative medicine is needed and track vital signs such as heart rate, blood pressure, breathing rate, oxygen levels, and carbon dioxide levels from the start of surgery to thirty minutes afterward. Users of marijuanaTHCcannabis will provide a hair or fingernail sample to measure cannabis levels, while non-users will provide a urine sample to confirm no cannabis use. Questionnaires about pain and cannabis use will also be completed. Participants will be asked health questions and provide biological samples before surgery. Vital signs and medication doses will be recorded during and shortly after surgery. Researchers will also assess any complications and sedation depth during the procedure. The study will continue until the end of the surgery with follow-up assessments to understand sedation effects. Participation involves monitoring during the surgery and data collection before and after, with the total involvement lasting through the surgical appointment.
CONDITIONS
Impact of Cannabis Use During Third Molar Surgery
J
Jennifer A Lay-Luskin, MPhil, CCRC
B
Bradley Blitstein, DDS
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University of Michigan
Lead Sponsor
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Day of surgery
Participants undergo third molar (wisdom tooth) removal surgery. During surgery, researchers monitor vital signs and sedation levels, and collect samples for cannabis testing based on self-reported cannabis use.
1 visit (in-person, surgery appointment)
Duration - Until study completion
Participants complete questionnaires about pain levels and cannabis use after surgery, and researchers monitor for any complications until the end of the study.
Visits as needed for follow-up and assessments
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
2
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Lead Sponsor