Hydrogen Inhalation Protects against Ototoxicity Induced by Intravenous Cisplatin in the Guinea Pig.
Anette E Fransson, Marta Kisiel, Kristian Pirttilä, Curt Pettersson, Pernilla Videhult Pierre, Göran F E Laurell · Frontiers in cellular neuroscience · 2017
Research-use notice
Independent study record
Each H2HUBB study page organizes source-linked research details for educational use. Interpretation should remain proportional to the study design, population, controls, and limitations.
H2HUBB TAKEAWAY
In guinea pigs, post-hoc analysis showed that the threshold shift differed significantly ( p < 0.05) between different frequencies in the Cispt group but not the Cispt+H₂ group (Figure 3 ). These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.
What the Findings Mean
H2HUBB reviewed how inhaled hydrogen gas affected the outcomes measured in guinea pigs. Post-hoc analysis showed that the threshold shift differed significantly ( p < 0.05) between different frequencies in the Cispt group but not the Cispt+H₂ group (Figure 3 ).
What the Researchers Studied
The researchers studied guinea pigs. The study used a preclinical animal experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
Source-reported hydrogen concentration: 2% source-reported H₂ gas concentration; Source-reported hydrogen exposure: 2% source-reported H₂ gas concentration. Post-hoc analysis showed that the threshold shift differed significantly ( p < 0.05) between different frequencies in the Cispt group but not the Cispt+H₂ group (Figure 3 ). The authors concluded that H₂ inhalation can reduce cisplatin-induced ototoxicity on functional, cellular, and subcellular levels.
Why These Findings Matter
These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.
How Strong Is This Evidence?
This is preclinical animal evidence from a preclinical animal experiment. It is most informative for the disease model, mechanisms, biomarkers, and outcomes directly measured in the study.
Technical Study Details
H2HUBB classifies this publication as animal study with preclinical animal evidence. The research population or model was guinea pigs. The study used a preclinical animal experiment. The hydrogen delivery method was inhaled hydrogen gas. The source-reported hydrogen concentration was 2% source-reported H₂ gas concentration.
Limitations and Safety
Reported limitations: A major limitation of the study is the focus on the cochlear effects of H₂ administration without an oncologic perspective. Using a guinea pig model for an otoprotective study has some obvious limitations as they cannot be compared with cancer patients.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.