A Systematic Review of Molecular Hydrogen Therapy in Cancer Management
Research hubs: Immune System

- Evidence type
- Systematic review or meta-analysis
- Authors
- Muhammad Nooraiman Zufayri Mohd Noor, Adlin Sofea Alauddin, Yin How Wong, Chung Yeng Looi, Eng Hwa Wong, Priya Madhavan, Chai Hong Yeong
- Journal
- Asian Pacific Journal of Cancer Prevention
- Year
- 2023
- PMID
- 36708550
- Study Type
- clinical
- Delivery
- mixed
- Outcome
- positive
- Peer Reviewed
- Yes
- Cited by
- 34 (OpenAlex, as of November 2026)
- Country
- Malaysia
TL;DR
Scientists looked at studies about a gas called molecular hydrogen (H2) and found it might help cancer patients feel better and live longer when used alongside regular cancer treatments. While the results look really promising, doctors need to do more research before they can officially recommend it as part of cancer care.
Key Finding
Multiple studies suggest molecular hydrogen may help improve survival, quality of life, and tumor reduction when used alongside or as a complement to conventional cancer treatments, though comprehensive clinical trials are still needed.
Summary
This review examined 27 studies on molecular hydrogen (H2), a gas that has been tested as a potential helper treatment alongside standard cancer therapies. Researchers found that across different types of cancer and ways of delivering hydrogen, the studies consistently reported improvements in survival rates, quality of life, blood markers, and tumor shrinkage. However, the authors note that larger, more rigorous studies are needed before hydrogen can be recommended as a standard cancer treatment.
Practical Takeaway
While this review identifies encouraging patterns across existing research, most studies appear to be small or conducted in laboratory or animal settings rather than large human trials. Anyone with cancer interested in hydrogen therapy should discuss it with their oncologist, as the evidence is still preliminary and not yet strong enough to replace standard treatments.
Abstract (excerpt)
Background: Cancer remains a challenging target to cure, with present therapeutic methods unable to exhibit restorative outcomes without causing severe negative effects. Molecular hydrogen (H2) has been reported to be a promising adjunctive therapy for cancer treatment, having the capability…