Hydrogen gas restores exhausted CD8+ T cells in patients with advanced colorectal cancer to improve prognosis.

The publication “Hydrogen gas restores exhausted CD8+ T cells in patients with advanced colorectal cancer to improve prognosis.” is organized in H2HUBB under the research focus hydrogen inhalation cancer supportive study 2019. The publication is cited as Akagi J, Baba H, Oncology reports, 2019. This uncontrolled human study examined Hydrogen gas restores exhausted CD8+ T cells in patients with advanced colorectal cancer to improve prognosis. The abstract describes Human participants; sample size 55; hydrogen delivered as hydrogen inhalation. The abstract reports: Exhausted cluster of differentiation (CD)8+ T cells lose immunological activity due to mitochondrial dysfunction caused by peroxisome proliferator‑activated receptor γ coactivator 1α (PGC‑1α) inactivation, resulting in…. This is an automated editorial draft based on the abstract and requires source review before publication.

Hydrogen inhalation cancer supportive study 2019 overview

As hydrogen gas was recently reported to activate PGC‑1α, the present study investigated whether it restores exhausted CD8+ T cells to improve prognosis in patients… Because this is human clinical evidence, relevance depends on participant selection, controls, sample size, treatment duration, adherence, outcome measures, and replication.

Study design and hydrogen intervention

Publication type: Uncontrolled human study. Evidence type: Human clinical evidence. Research model or population: Human participants. Sample size: 55. Blinding: Unknown. Control status: Unknown.

Delivery method: Hydrogen inhalation.

Reported findings and scientific interpretation

For this hydrogen inhalation cancer supportive study 2019, the study record reports the following: The abstract reports: Exhausted cluster of differentiation (CD)8+ T cells lose immunological activity due to mitochondrial dysfunction caused by peroxisome proliferator‑activated receptor γ coactivator 1α (PGC‑1α) inactivation, resulting in…

These findings should be interpreted as one piece of evidence rather than as a stand-alone medical conclusion. Results can be influenced by the research model, study design, treatment protocol, sample size, outcome selection, statistical methods, and whether the findings have been independently reproduced.

How this research record was prepared

H2HUBB organizes bibliographic details, study design information, intervention data, outcomes, limitations, and safety notes from the available scientific source. Automated classification supports database organization, but it does not replace critical reading of the complete paper. Source identifiers, evidence labels, and delivery-method fields are retained so readers can verify the record and compare it with related publications. A missing field means the information was unavailable or not reported in the structured source; it should not be treated as a negative finding.

Limitations, safety, and original source

Limitations: The abstract alone may not report all methodological limitations; full-text review is required.

Safety: The abstract did not provide detailed safety or adverse-event information.

This H2HUBB page is an educational research record, not medical advice. Review the original scientific source for the complete methods and results. Continue exploring the H2HUBB Molecular Hydrogen Research Library to compare evidence types, delivery methods, and related topics.