Studying the safety and effectiveness of ultrathin 34G needles in intravitreal injections.

Studying the safety and effectiveness of ultrathin 34G needles in intravitreal injections. - Studying the safety and effectiveness of ultrathin 34G needles in intravitreal injections.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024903

Enrollment

140

Registered

2016-11-21

Start date

2016-10-12

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

age-related macular degeneration, macular edema

Interventions

comparison of intravitreal injections between using 30G needles vs 34G needles. comparison of intravitreal injections between using 30G needles vs 34G needles.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 20 years of age or older Patients with age-related macular degeneration or macular edema who needed two consecutive intravitreal injections.

Exclusion criteria

Exclusion criteria: none in particular

Design outcomes

Primary

Measure	Time frame
Pain	—

Secondary

Measure	Time frame
intraocular pressure, puncture resistance,vitreal reflux,subconjunctival hemorrhage	—

Countries

Japan

Contacts

Public ContactSasajima Hirofumi

Aichi Medical University Hospital Department of Ophthalmology, Aichi Medical University

sasajima.hirofumi.044@mail.aichi-med-u.ac.jp0561-62-3311

Outcome results

None listed

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