Study Using Curcumin and Piperine in Reducing Inflammation for Ureteral Stent-Induced Symptoms


About this study

This pilot phase I trial studies the side effects and best dose of curcumin when given together with piperine (piperine extract [standardized]) in reducing inflammation for ureteral stent-induced symptoms in patients with cancer. Curcumin is a spice similar to turmeric and works by decreasing the chemical moderators that produce inflammation in the body. Piperine is pepper and works by increasing the amount of curcumin available in the body when taken with curcumin. Giving curcumin together with piperine may reduce inflammation and discomfort from a ureteric stent in older patients with cancer.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Age 18 ≥ years at the time of study registration.
  • Ureteral stent in place at study registration.
  • Patient reports pain, spasms, or urgency symptoms after stent placement, which are thought to be unrelated to other causes as per the patient or healthcare provider or both (documentation in the medical record is unnecessary).
  • Ability to complete English language questionnaires by themselves or with assistance.
  • Willingness to provide mandatory 24 hour urine collection samples for research purposes.
  • Able to swallow supplements.
  • Registration ≥ 3 days after placement of a new stent or ≥ 1 days after a stent exchange.
  • Willingness to refrain from grapefruit juice for 7 days prior to and for 7 days during the study.

Exclusion Criteria:

  • Receiving warfarin at registration.
  • Active cholecystitis.
  • Taking any of the following drugs at the time of study participation: epidermal growth factor receptor inhibitor, topoisomerase 1 inhibitor (camptothecin, irinotecan); buspirone, benzodiazepines, zolpidem, calcium channel blockers (such as felopidine, nifedipine, verapamil); digoxin or quinidine; codeine or fentanyl; phenytoin, propranolol, rifampin, or theophylline.
  • History of alcohol abuse.



Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Aminah Jatoi, M.D.

Closed for enrollment

Contact information:

Cancer Center Clinical Trials Referral Office

(855) 776-0015

More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

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