Oral Cryotherapy to Decrease Taste Changes in Prostate Cancer Patients Receiving Taxane Chemotherapy

Recruiting now · Not applicable

Conditions studied: Prostate Carcinoma

In brief

This clinical trial studies whether cooling the mouth with popsicles (oral cryotherapy) decreases taste changes in prostate cancer patients receiving taxane chemotherapy. Patients receiving chemotherapy can experience a variety of side effects. Changes in the taste of food is a frequent complaint of patients receiving chemotherapy and is underreported as patients may think that it is unavoidable and not manageable. Taxane-based chemotherapy is thought to be associated with the most taste changes of any chemotherapy. Taste buds contain a specific type of cell, called gustatory cells, that are located on the surface of the tongue, the soft palate (back, muscular part of the roof of the mouth), and the upper part of the esophagus. These cells consist of five basic tastes: salty, sweet, sour, bitter, and umami (or savory). Oral cryotherapy involves cooling the mouth with ice chips, popsicles, or other cold drinks for several minutes before, during, and after chemotherapy causing the tiny blood vessels in the protective linings inside the mouth to narrow. It is thought that this narrowing will reduce blood flow to the cooled areas, thereby decreasing the amount of chemotherapy that is delivered to the fragile protective linings inside the mouth that causes the taste changes. This may be an effective way to decrease taste changes in prostate cancer patients receiving taxane chemotherapy.

Key facts

Study ID

NCT07218718

Run by

City of Hope Medical Center

People needed

60

Starts

2025-12-11

Expected to finish

2027-09-17

Last updated by the study team

2026-07-15

Who can join

Age: 18 and older. Sex: male. Healthy volunteers: not accepted.

You may qualify if…

• Patients undergoing taxane chemotherapy must be English speaking and have an Eastern Cooperative Oncology Group (ECOG) performance score < 2
• Documented written informed consent of the participant
• ONE of the following diagnoses:
• Prostate cancer
• Age: At least 18 years of age or older
• Undergoing initial single agent taxane chemotherapy
• Chemotherapy naïve
• Willingness to:
• Suck on popsicles during chemotherapy infusion
• Complete baseline and follow-up surveys

You may not qualify if…

• Patients with pre-existing taste alterations, oral surgery, or malformation that may interfere with the study procedure will be excluded. Patients receiving oxaliplatin will be excluded due to oral sensitivity of cold fluids during oxaliplatin administration
• Receiving oxaliplatin chemotherapy
• Pre-existing taste alterations
• Previous oral surgery
• Oral malformation

Where it is running

• City of Hope Medical Center — Duarte, California, United States (enrolling)

Full record on ClinicalTrials.gov

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