Trial reportJapanese journal of ophthalmology2025
Outcomes of a randomised trial comparing 360° and 180° schlemm's canal incisions in suture trabeculotomy ab interno for primary open-angle glaucoma and exfoliation glaucoma: a 5-year analysis.
Trial report in Japanese journal of ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Possible Effects of Topical Rho-Kinase Inhibitor on Schlemm's Canal Morphology Parameters.Biomedicines · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeWe aimed to report the 5-year efficacy and safety data of suture trabeculotomy ab interno (SLOT ab interno) in patients with primary open-angle glaucoma and exfoliation glaucoma. STUDY
designSingle-centre, three-arm randomised trial.
methodsNinety-nine eyes of 99 patients were randomly assigned to one of three groups: the 360° (n = 34), upper-180° (n = 34), and lower-180° (n = 31) groups. We evaluated intraocular pressure (IOP), medication use, and visual field progression. Surgical success (with or without medication) was defined as IOP ≤21 mmHg with a ≥20% reduction (criterion A) or IOP ≤15 mmHg with a ≥ 20% reduction (criterion B). Visual field progression was assessed by MD values at fixed postoperative time points and by the MD slope (dB/year).
resultsFifty-six of 99 eyes (56.5%) completed 5 years of follow-up. At 5 years, the mean IOP decreased from 18.8 ± 5.7 to 13.5 ± 3.1 mmHg (28% reduction, p<0.001), with medication use decreasing from 3.3 ± 1.1 to 2.0 ± 1.7 (p=0.005) and a mean MD slope of -0.2 dB/year. No significant differences in surgical success rates (criteria A and B), MD values, or MD slopes were observed among the groups.
conclusionThe extent of Schlemm's canal incisions (360°, upper-180°, or lower-180°) during SLOT ab interno has no significant effect on IOP reduction or medication use over 5 years.
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Registered trials
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