# Photobiomodulation to prevent oral mucositis available in every head and neck radiotherapy centre

Source: https://onco.cc/ideas/idea-pu-photobiomodulation-every-head-neck-centre/  
OnCo record `idea-pu-photobiomodulation-every-head-neck-centre` (Idea). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Radiotherapy to the head and neck usually makes the mouth and throat raw and painful. Shining low-level laser light inside the mouth during treatment reduces this, and the international supportive care guideline has recommended it since 2020, with its highest level of evidence for people also having chemotherapy. In a survey of 25 Italian radiotherapy centres, one used it.

## Summary

The guideline. The MASCC/ISOO mucositis guideline (2020) recommends intraoral photobiomodulation with low-level laser to prevent oral mucositis in adults having chemoradiotherapy for head and neck cancer (level of evidence I) and in those having radiotherapy alone (level II), using the parameters of one of the tested protocols in its Table 2. It asks clinicians to tell patients about the conflicting animal evidence on whether light can affect tumour behaviour, and to consider safety in people with oral cancer.

The measured gap. A 2023 survey of 25 Italian radiation oncology centres found that, although low-energy laser is included in published recommendations and guidelines, "only one center involved in the present survey uses LEL in its clinical practice"; products without supporting evidence, such as mucoadhesive agents, were used more often. No national figure for the UK or the United States was found.

What stands in the way. Equipment, trained staff and treatment time each day of radiotherapy, and the unresolved tumour-safety question, which is why the guideline pairs the recommendation with a conversation.

## Fields

- Kind: Idea
- Last checked: 2026-11-11
- Tags: protocol-upgrade; upgrade:proven-unevenly-used; evidence:strong
- Hypothesis: Offering guideline-protocol intraoral photobiomodulation to every adult having radical head and neck radiotherapy reduces severe oral mucositis, feeding-tube use and unplanned treatment breaks at the population level, with no detectable effect on locoregional control.
- Rationale: The benefit has the highest guideline grade available in supportive care for one of the most painful effects of cancer treatment, and the one survey measuring use found it in one centre in twenty-five.
- Proposed test: A network-level implementation study with severe mucositis, feeding-tube placement and treatment interruption as outcomes, and locoregional control followed through cancer registries to address the tumour-safety question.
- Maturity: being-tested-at-scale
- Actor: clinic

## Sources

- Elad et al., MASCC/ISOO clinical practice guidelines for the management of mucositis secondary to cancer therapy (Cancer 2020): https://doi.org/10.1002/cncr.33100
- Bergamaschi et al., Management of radiation-induced oral mucositis in head and neck cancer patients: a real-life survey among 25 Italian radiation oncology centers (Supportive Care in Cancer 2023): https://doi.org/10.1007/s00520-023-08185-5

## Connected records

- ideas: [Photobiomodulation and a taste and swallowing programme for mouth and throat toxicity](https://onco.cc/ideas/idea-moon-mucositis-taste-programme/)
- cancers: [Head and neck squamous cell carcinoma](https://onco.cc/cancers/head-and-neck/), [Oral cavity cancer (mouth and tongue)](https://onco.cc/cancers/oral-cavity-cancer/), [Oropharyngeal cancer (tonsil and base of tongue)](https://onco.cc/cancers/oropharyngeal-cancer/)
- fronts: [Radiation Therapy](https://onco.cc/fronts/radiation/), [Supportive Care & Survivorship](https://onco.cc/fronts/supportive-care/)
- technologies: [Photobiomodulation (low-level laser) for oral mucositis](https://onco.cc/technologies/photobiomodulation-mucositis/)
- institutions: [Multinational Association of Supportive Care in Cancer](https://onco.cc/institutions/mascc/)
- terms: [Mucositis and stomatitis](https://onco.cc/terms/mucositis/)
- bottlenecks: [Knowledge reaches practice too slowly](https://onco.cc/bottlenecks/b-knowledge-diffusion/), [Toxicity and quality of life are undervalued](https://onco.cc/bottlenecks/b-toxicity-qol/)
- protocols: [Mouth care and oral mucositis prevention during head and neck radiotherapy](https://onco.cc/protocols/head-and-neck-radiotherapy-oral-mucositis/)

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