Oral cavity carcinoma

Researchers are testing a shorter radiation schedule for people with head and neck cancer who have had surgery. Standard radiation after surgery often takes several weeks, but this trial gives five treatments over five days. The study enrolls 50 adults with high-risk features, su…

This trial tests whether adding weekly thermotherapy, a treatment that heats the tumor and lymph nodes, to standard radiotherapy can help people with head and neck cancer who cannot receive chemotherapy. The goal is to find a safe dose of thermotherapy that does not cause severe …

This study is testing whether a precise form of radiation called proton therapy can control head and neck cancer after surgery as well as standard X-ray radiation, but with fewer side effects. About 174 adults with newly diagnosed head and neck cancer will receive either proton t…

This phase 2 trial is testing a combination of two immunotherapy drugs, nivolumab and ipilimumab, in 798 people with over 50 types of rare cancers. The goal is to see if these drugs can shrink tumors by helping the immune system attack cancer cells. Participants receive the drugs…

This phase 2 trial tests whether metformin, a widely used diabetes drug, can prevent oral cancer in 26 people with precancerous mouth lesions (leukoplakia or erythroplakia). Participants take metformin by mouth, and researchers check if the lesions shrink or disappear. The goal i…

This study follows over 8,600 women in Costa Rica who received the HPV vaccine (types 16 and 18) years ago, plus unvaccinated controls, to see how well the vaccine protects over time. Researchers are checking for cervical lesions, immune markers, and any increase in infections fr…