Preventing late swallowing problems after throat cancer radiation

Project 3: OPC-RAD

NIH-funded research University of Tx Md Anderson Can Ctr · NIH-11180365

This project is testing whether proton radiation and a drug combo (pentoxifylline plus vitamin E) can lower the chance of serious long-term swallowing problems in people treated for oropharyngeal (throat) cancer.

Quick facts

Grant typeP01 program project
Study typeNIH-funded research
Funding institutionUniversity of Tx Md Anderson Can Ctr NIH-funded
Lab location1 site (Houston, United States)
Project IDNIH-11180365 on NIH RePORTER

What this research studies

If you have oropharyngeal (throat) cancer treated with radiation, this project compares modern proton therapy to standard X-ray intensity-modulated radiation across many hospitals and tracks long-term swallowing outcomes. The team is also studying whether taking pentoxifylline with vitamin E can prevent or soften late radiation-related swallowing problems. The work follows survivors over time to see who develops late radiation-associated dysphagia and whether the different radiation type or the drug combo changes that risk. The effort involves multiple treatment centers so care is delivered where patients normally receive radiation.

Who could benefit from this research

Good fit: Adults with oropharyngeal squamous cell carcinoma who are scheduled to receive definitive radiation (often with chemotherapy) are the most likely candidates for participation.

Not a fit: People without oropharyngeal cancer, those who already have severe, irreversible swallowing loss, or those unable to receive the study treatments are unlikely to benefit directly.

Why it matters

Potential benefit: If successful, this work could reduce chronic swallowing disability, feeding-tube dependence, pneumonia risk, and improve long-term quality of life for throat cancer survivors.

How similar studies have performed: Smaller studies and dosimetry data suggest proton therapy can spare normal tissues compared with IMRT, but large randomized data on preventing late swallowing problems and the use of pentoxifylline plus vitamin E for this specific issue remain limited.

Where this research is happening

Houston, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Cancer CenterCancer Survivorship
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.