The Comparative Efficiency of Intraperitoneal and Intravitreous Injection of Hydrogen Rich Saline against N -Methyl- N -Nitrosourea Induced Retinal Degeneration: A Topographic Study
Tao Y, Chen T, Fang W, Yan Z, Yang Q, Huang Y, Yu L, Fan L. · Frontiers in pharmacology. 2017;8:587.
Study at a glance
Preclinical
rats, tissue, rabbit used to study eye health.
Full text reports H₂ dissolved in saline. Detected intervention quantities or schedules: 0.1%. · H₂-related quantities reported in the intervention passages: 0.1%. Values are not combined across different experimental arms.
Multiple article-specific time points; see the linked full methods.
Article-reported result excerpt (24 words maximum): “In contrast with the disproportionate gradient found in the IP treated group, field potential responses in the IV treated group were much more uniformly…” This excerpt is not a complete result summary; consult the linked full text for all positive and null findings.
Preclinical evidence only; findings do not establish a treatment effect in people. No funding statement was identified in the machine-readable full article; absence is not inferred. The article declares no conflicts of interest.
What kind of evidence is this?
Preclinical
Controlled preclinical study
Eye health
Other forms
Information not yet classified
Some editorial classification fields are still pending. The source-reported outcomes and result are shown below; Hydrogenology does not infer a positive or negative signal from prose automatically.
Methods
rats, tissue, rabbit used to study eye health.
Preclinical study; group or assay counts reported in the full text include n=10.
Multiple article-specific time points; see the linked full methods.
Full text reports H₂ dissolved in saline. Detected intervention quantities or schedules: 0.1%.
H₂ dissolved in saline — H₂ only unless the full text explicitly reports oxygen co-delivery.
H₂-related quantities reported in the intervention passages: 0.1%. Values are not combined across different experimental arms.
Control or comparison condition reported in the full article; see the linked methods for arm-specific details.
Outcomes and reported result
survival or mortality, clinical symptoms or functional scores, oxidative-stress and antioxidant markers, apoptosis or cell injury, metabolic laboratory measures, neurological or behavioral measures
Article-reported result excerpt (24 words maximum): “In contrast with the disproportionate gradient found in the IP treated group, field potential responses in the IV treated group were much more uniformly…” This excerpt is not a complete result summary; consult the linked full text for all positive and null findings.
The complete machine-readable article was checked for source identity, methods, intervention quantities, results, tables, funding and conflict declarations. This public record is based on the full article.
A reported association, difference or mechanism is not automatically a clinical benefit.
Limitations and applicability
Preclinical evidence only; findings do not establish a treatment effect in people. No funding statement was identified in the machine-readable full article; absence is not inferred. The article declares no conflicts of interest.
Applies to the reported animal, cell or tissue model, not directly to patients.
No single-study GRADE certainty rating is assigned. Read how records and evidence assessments are prepared.
Sources and record status
PMID: 28900397 · DOI: 10.3389/fphar.2017.00587
A free full article is available through PubMed Central.
Official PubMed/PMC full article; source identity, intervention data and declarations re-audited 25 August 2026.
25 August 2026
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