Hydrogen Inhalation May Prevent Lung Damage from Cancer Radiation
- Authors
- Yunhai Chuai, Luqian Zhao, Jin Ni, Ding Sun, Jianguo Cui, Bailong Li, Liren Qian, Fu Gao, Jianming Cai
- Journal
- Medical Science Monitor
- Year
- 2011
- DOI
- 10.12659/msm.881698
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Radiation Pneumonitis
- Body System
- Respiratory
TL;DR
Scientists found that breathing in a special hydrogen-rich mist while getting radiation therapy for cancer might protect your lungs from getting damaged and inflamed. This could be a simple, safe way to help cancer patients tolerate stronger radiation treatments.
Key Finding
Researchers hypothesize that inhaling hydrogen-rich solution during radiotherapy may prevent radiation-induced lung damage by neutralizing specific harmful molecules produced by radiation.
Summary
This study proposes a new strategy to prevent radiation pneumonitis (lung damage caused by cancer radiation therapy) by combining radiotherapy with inhaled hydrogen-rich solution. The researchers suggest that hydrogen may protect lung cells by neutralizing harmful molecules called hydroxyl radicals and peroxynitrite that are created by radiation exposure.
Practical Takeaway
This is a theoretical proposal, not a completed study with results—no human trials have been conducted yet. While the mechanism is scientifically plausible, any clinical benefit remains unproven. Anyone undergoing radiotherapy should discuss this only with their oncology team, as it is not an established treatment.
Abstract
Radiotherapy is an important modality of cancer treatment. Radiation pneumonitis is a major obstacle to increasing the radiation dose in radiotherapy, and it is important to prevent this radiation-induced complication. Recent studies show that hydrogen has a potential as an effective and safe radioprotective agent by selectively reducing hydroxyl and peroxynitrite radicals. Since most of the ionizing radiation-induced cellular damage is caused by hydroxyl radicals, we hypothesize that a treatment combining radiotherapy with aerosol inhalation of a hydrogen-rich solution may be an effective and novel prevention strategy for radiation pneumonitis (hydrogen is explosive, while a hydrogen-rich solution such as physiological saline saturated with molecular hydrogen is safer).