Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT03397264 · ClinicalTrials.gov registry record · Phase 1

A Dose Ranging Study of OPT-302 With Aflibercept for Persistent Diabetic Macular Edema

A Phase 1 study of Diabetic Macular Edema, sponsored by Opthea Limited.

Completed
Registry status
Phase 1
Development phase
153
Enrollment target
20
Study locations

NCT03397264: Completed Phase 1 study of Diabetic Macular Edema, sponsored by Opthea Limited.

NCT03397264 is a Phase 1 study of Diabetic Macular Edema that has completed, run by Opthea Limited. The registered enrollment target is 153 participants, below the 3,792-participant average among 63 other Diabetic Macular Edema trials with a reported enrollment target (96% lower). The trial reports 20 study locations across 11 states. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT03397264, a Phase 1 study of Diabetic Macular Edema, has completed, sponsored by Opthea Limited.

COMPLETED
Registry status
Phase 1
Development phase
153 participants
Enrollment target
20
Study locations

Study Summary

A two part, multi-center study consisting of a Phase 1b open label, sequential dose escalation followed by a Phase 2a randomized, double-masked, dose expansion evaluating OPT-302 in combination with aflibercept in participants with persistent central-involved Diabetic Macular Edema.

Primary Outcome

Safety and Tolerability will be assessed using the National Cancer Institute Common Terminology Criteria for Adverse Events and CTC v4.0 (if available, otherwise protocol defined grading were used)

Conditions Studied

Interventions

  • BIOLOGICAL Aflibercept
  • BIOLOGICAL OPT-302
  • OTHER Sham intravitreal injection

Study Locations (20)

California

  • Opthea Investigational Site - Bakersfield
  • Opthea Investigational Site - Beverly Hills
  • Opthea Investigational Site - Redlands
  • Opthea Investigational Site - Sacramento
  • Opthea Investigational Site - Santa Ana

Florida

  • Opthea Investigational Site - Boynton Beach
  • Opthea Investigational Site - Fort Myers
  • Opthea Investigational Site - Melbourne
  • Opthea Investigational Site - Pensacola
  • Opthea Investigational Site - St. Petersburg

Nevada

  • Opthea Investigational Site - Las Vegas
  • Opthea Investigational Site - Reno

Arizona

  • Opthea Investigational Site - Phoenix

Colorado

  • Opthea Investigational Site - Colorado Springs

Georgia

  • Opthea Investigational Site - Augusta

Indiana

  • Opthea Investigational Site - Indianapolis

Iowa

  • Opthea Investigational Site - Des Moines

Trial Details

FieldValue
Enrollment Target 153 participants
Start Date 2018-01-16
Est. Completion 2020-06-11
Phase Phase 1
Opthea Limited

5 total trials

What the finished NCT03397264 record still lists

NCT03397264 is an interventional study that assigns participants to a tested intervention. The registered 153 participants enrollment target is mid-sized for trials with a published cap, below the 3,792-participant average among 63 other Diabetic Macular Edema trials with a reported enrollment target (96% lower).

The record links to 1 condition, with Diabetic Macular Edema appearing as the primary indexed condition, and to 3 interventions - of which Aflibercept is the first listed.

NCT03397264 names 20 study sites across 11 states, led by California, Florida, Nevada.

Frequently Asked Questions

What is clinical trial NCT03397264 about?

NCT03397264 is a clinical study titled "A Dose Ranging Study of OPT-302 With Aflibercept for Persistent Diabetic Macular Edema". A two part, multi-center study consisting of a Phase 1b open label, sequential dose escalation followed by a Phase 2a randomized, double-masked, dose expansion evaluating OPT-302 in combination with aflibercept in participants with persistent central-involved Diabetic Macular Edema.

What is the current status of trial NCT03397264?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 153 participants. The study started on 2018-01-16. Estimated completion is 2020-06-11.

What conditions does trial NCT03397264 study?

This clinical trial studies the following conditions: Diabetic Macular Edema.

What interventions are being tested in trial NCT03397264?

The interventions under investigation include: Aflibercept (BIOLOGICAL), OPT-302 (BIOLOGICAL), Sham intravitreal injection (OTHER).

Who is sponsoring clinical trial NCT03397264?

This trial is sponsored by Opthea Limited, which has 5 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03397264 being conducted?

This trial has 20 study locations across Arizona, California, Colorado, Florida, Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Diabetic Macular Edema

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT03397264's enrollment target sits among peer trials

153 24th of 63 higher than 40 of 63 other Diabetic Macular Edema trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Diabetic Macular Edema trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05283265 · 153 participants · NA

    Neurophysiological Mechanisms of Language Comprehension

  • NCT05554393 · 153 participants · Phase 2

    Comparing Cytarabine + Daunorubicin Therapy Versus Cytarabine + Daunorubicin + Venetoclax Versus Venetoclax + Azacitidine in Younger Patients With Intermediate Risk AML (A MyeloMATCH Treatment Trial)

  • NCT05584501 · 153 participants · NA

    ETE Interventions in the Dental Setting

  • NCT05714839 · 153 participants · Phase 1

    A Study to Investigate the Safety and Efficacy of Belantamab for the Treatment of Multiple Myeloma When Used as Monotherapy and in Combination Treatments

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT03397264, the US trial registry maintained by the National Library of Medicine. NCT03397264 (mid enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.