About Pricing FAQs Blog

Loading clinical trials...

Your health journey, clearly organized.

Find Clinical Trials →

Legal

Privacy Policy
Terms of Service

© 2026 Clareo Health. All rights reserved.

Back to clinical trial search

COMPLETEDPhase 1/2NCT03902925

Pain During Pars Plana Vitrectomy With Sub-tenon Anesthesia

Vitreoretinal surgery has evolved to less invasive procedures, and it is used to treat a wide range of diseases. So anesthesia for vitreoretinal procedures has evolved, promoting adequate analgesia wh...

Lead sponsor: University of Sao Paulo•1 locations•View source on ClinicalTrials.gov

Clareo plain-language summary

What this study is about

Generating AI summary...

Save this trial guide to your notes

Keep your clinical trial research organized — questions to ask, what to expect, and key details.

Sponsors

Lead Sponsor

University of Sao Paulo

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

Inclusion Criteria

•Patients that have the diagnosis of epiretinal membrane, macular hole, complication of diabetic retinopathy such as vitreous hemorrhage or traction retinal detachment or other vitreomacular diseases that require treatment by pars plana vitrectomy.

Exclusion Criteria

•Previous pars plana vitrectomy in the studied eye.
•Previous scleral buckle surgery
•Uncontrolled arterial hypertension
•Any ocular surgery performed in the studied eye in the previous three months
•Medical or psychological condition that preclude study adherence

Related studies

COmparison of Clarus and Optos Ultrawide Field Imaging Systems for Inherited Retinal Disease

NCT06380075 · Retinal Disease

Using Implementation Science to Adapt a Targeted Transportation Intervention for Patients With Diabetic Retinopathy (PRONTO-EYE)

NCT07296952 · Diabetic Retinopathy (DR)

RECRUITINGPhase 2

Single-site Pilot Study Evaluating the Effect of QLS-111 Ophthalmic Solution on Posterior Perfusion and Vessel Dilation

NCT07354477 · Non-proliferative Diabetic Retinopathy (NPDR), Open-angle Glaucoma (OAG), and more

Impact of the New Generation Anti-diabetic Drugs on Diabetic Retinopathy

NCT07351786 · Diabetes (DM), Retinopathy, Diabetic, and more

CRYSTALSIGHT Cohort 2.0

NCT07255859 · Maculopathy

View all related studies →

Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: November 4, 2019Terms

Trial snapshot

StatusCOMPLETED

PhasePHASE1/PHASE2

Enrollment56

Start dateJan 2019

Last updatedNov 4, 2019

Condition

Retinal Disease Diabetic Retinopathy Maculopathy

Locations shown

School of Medicine - Clinical Hospital

Ribeirão Preto, São Paulo

For caregivers

Use Clareo to keep notes, questions, trial details, and next steps organized before and after appointments.

Start free trial →

Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: November 4, 2019Data synced to Clareo: May 17, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions