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5,000 cancer patients enrolled to uncover proton Therapy's hidden risks

NCT ID NCT00991094

Knowledge-focused Sponsor: M.D. Anderson Cancer Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is collecting information on side effects from proton therapy in 5,000 adults with many types of cancer. Researchers will track both short-term and long-term side effects and link them to the details of each patient's treatment plan. The goal is to better predict who might have complications and improve future care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors predict which patients are at higher risk for side effects from proton therapy, leading to safer treatment plans.
What could go wrong
This is an observational data collection study, not a treatment trial. It will not directly test a new therapy or cure, and results may take years to influence clinical practice.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 5,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2005

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

All patients scheduled for radiation treatment with protons at University of Texas M. D. Anderson Cancer Center (UTMDACC)

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * All patients scheduled for radiation treatment with protons at UTMDACC are eligible for this protocol * Patients must sign a study-specific consent form prior to study entry Exclusion Criteria: * Patients who are unable or unwilling to attend the required periodic follow-ups either at M.D. Anderson or at a different site

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Conditions

The condition(s) this trial relates to.

breast carcinoma breast neoplasm cancer carcinoma of esophagus central nervous system cancer digestive system cancer digestive system neoplasm Esophageal Neoplasms head and neck carcinoma hematopoietic and lymphoid cell neoplasm hematopoietic and lymphoid system neoplasm lung carcinoma lung neoplasm malignant urinary system neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Breast carcinoma Esophageal carcinoma Genitourinary system carcinoma Head and neck carcinoma Hematopoietic and lymphoid cell neoplasm Lung carcinoma Malignant central nervous system neoplasm Malignant digestive system neoplasm Malignant solid neoplasm

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • M D Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030, United States

More trials for these conditions

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