A Safety and Efficacy Trial of a Treat and Extend Protocol Using Ranibizumab With and Without Laser Photocoagulation for Diabetic Macular Edema
Public ClinicalTrials.gov record NCT01934556. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase I/II, Open Label, Multicenter, Randomized, Controlled Study of the Safety, Tolerability and Efficacy of Intravitreal Injections of 0.3 mg Ranibizumab Given Monthly Compared to a TReat and EXtend Protocol in Patients With Diabetic Macular Edema
Study identification
- NCT ID
- NCT01934556
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Lead sponsor
- Palmetto Retina Center, LLC
- Other
- Enrollment
- 150 participants
Conditions and interventions
Conditions
Interventions
- Guided Laser Photocoagulation Device
- Ranibizumab 0.3 mg intravitreal injection Drug
Device · Drug
Eligibility (public fields only)
- Age range
- 18 Years to 100 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 31, 2013
- Primary completion
- Mar 31, 2017
- Completion
- Mar 31, 2018
- Last update posted
- Nov 16, 2020
2013 – 2018
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Retina-Vitreous Associates Medical Group | Beverly Hills | California | 90211 | — |
| Palmetto Retina Center | West Columbia | South Carolina | 29169 | — |
| Retina Consultants of Houston | Houston | Texas | 77030 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01934556, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 16, 2020 · Synced May 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01934556 live on ClinicalTrials.gov.