Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Photobiomodulation to reduce lymphedema and fibrosis after head and neck radiation

Official title: PBM-LEF Study: The Impact of PBM on Biomarkers of Radiation Lymphedema and Fibrosis in Head and Neck Cancer Patients: A Feasibility Study

Run by NYU Langone Health · NCT06708754 · Data updated 2026-11-12

We will try photobiomodulation (low‑level light) therapy to reduce lymphedema and fibrosis in people who finished head and neck radiation.

More Head and Neck Cancer trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment60 (estimated)
SponsorNYU Langone Health
Academic / other
Drugs / interventionsradiation
Locations1 site (New York, New York)
StatusRecruiting
StartedFebruary 13, 2025
Main results expectedFebruary 13, 2028
Study endsFebruary 13, 2030
Registry record updatedMarch 30, 2026
Trial IDNCT06708754 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are head and neck cancer survivors 3–36 months after completing bilateral neck radiation of at least 50 Gy, with no evidence of disease and a CTCAE fibrosis score ≥2 who can attend study visits.

Probably not a fit

Patients who are pregnant or breastfeeding, enrolled in another investigational LEF trial, have unclear fibrotic targets due to high BMI, have active disease, or cannot travel to the study site may not benefit or be eligible.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized, sham‑controlled study will enroll up to 60 head and neck cancer survivors 3–36 months after completing radiation who have at least grade 2 radiation fibrosis. Participants will be randomly assigned to active photobiomodulation (PBM) therapy or a sham PBM device with equal allocation. The trial will collect biological markers and measure clinical signs of lymphedema, fibrosis, pain, mouth opening, neck mobility, and swallowing over time to see if PBM produces measurable biological and functional improvements. Regular treatment sessions and follow-up visits will track both short‑term and longer‑term changes.

Why it matters

Potential benefit: If successful, PBM could lessen lymphedema and fibrosis, reduce pain, and improve mouth opening, neck mobility, swallowing, and overall quality of life for survivors.

How similar studies have gone: High‑quality evidence shows PBM prevents acute mucositis in head and neck radiation patients, but evidence for treating chronic radiation fibrosis and lymphedema is limited and largely exploratory.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients treated with radiation for head and neck cancer who are ≥ 3 months \< 36 months post-RT (last RT).
* Patients who received at least 50Gy of bilateral neck RT. Subjects who received RT or concurrent chemoradiation (chemoRT) therapy for HNC are eligible.
* No evidence of disease as documented by imaging 3 months after completion of RT.
* Common Terminology Criteria for Adverse Events (CTCAE) fibrosis score ≥ 2 at enrollment.
* Patient who has body mass index (BMI) \>30 at the time of enrollment may be excluded at a discretion of the principal investigator if fibrotic areas cannot be identified by clinical objective assessment of fibrosis.
* Willing to comply with all study procedures and be available for the duration of the study.

Exclusion Criteria:

* Woman who are pregnant or planning to become pregnant or breast-feeding.
* Patients enrolled on another drug or device investigational trial for prevention or treatment of LEF.
* Patients deprived of freedom, under supervision or guardianship.
* Patients unable to attend to scheduled visits due to geographical, social or mental reasons.
* Patients who received prior PBM therapy for RT toxicities in the last year;
* Patients who report being photosensitive.
* Patients who have chronic immunosuppression or are on current immunosuppressive therapies.
* Any patient who, in the opinion of the investigator, is unable or unlikely to comply fully with the study requirements or procedures for any reason.

Where it's running

  • NYU Langone Health
    New York, New York, United States
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.