Quantification of Endo- and Phytocannabinoids and Comparison to Pain Medication Requirements for Patients Undergoing Surgery for Cancer

Study category: Surgical and Wound Care

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To determine how daily cannabis use affects surgical outcomes.




Inclusion Criteria: -Patients > 21 years old -Undergoing abdominal surgery for the treatment of cancer -Report no cannabis use in the last year or daily cannabis use Exclusion Criteria: -Patients with chronic pain, chronic pain syndrome on opioids -Female patients who are pregnant or lactating -Patients who report use of illicit substances

Type of Study

Basic Science


University of Colorado Hospital

Principal Investigator
Camille Stewart,  MD

Camille Stewart, MD

Study ID

Protocol Number: 21-3544

More information available at ClinicalTrials.gov: NCT04988490

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