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LOWER NORMAL PRESSURE GLAUCOMA STUDY

LOWER NORMAL PRESSURE GLAUCOMA STUDY - LNPGS

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000001041
Enrollment
165
Registered
2008-02-23
Start date
2007-11-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Glaucoma

Interventions

None listed

Sponsors

Japan Glaucoma Society
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Primary open-angle glaucoma patients to fullfill the following criterias. The intraocular pressure (IOP) lowering drugs are not used or after four weeks or more have passed since the IOP drugs were discontinued, the IOP is 15 mmHg or less excluding one measurement at five times or more measured on different days within six months. The tonometry mesurements should be always less than 21 mmHg. The level of visual field defect: MD of both eyes is more excellent than that of -15 dB.

Exclusion criteria

Exclusion criteria: An equivalent sphered value is -9.0D less than or +9.0D or more. Best corrected visual acuity is less than 0.8. Anamnestic history of any eye surgerys including laser therapy. Eyes with cataract that influences the visual field. The patinets who have taken orally hypotensive agents or agents about protection of tissue damege. The patinets who have troubles such as hepertension (over 160/90) and diabetes mellitus.

Design outcomes

Primary

MeasureTime frame
Progression of visual field defect and/or optic disc damage

Secondary

MeasureTime frame
Campimetry results with Humphrey automated perimeter,disc hemorrhage and parameter of HRT II and GDx VCC

Countries

Japan

Contacts

Public ContactSakata Rei

The University of Tokyo Hospital Department of Ophthalmology

reisakata-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026