A Study to Evaluate the Safety of THR-149 in Subjects With Diabetic Macular Edema (DME)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT03511898 |
Recruitment Status :
Completed
First Posted : April 30, 2018
Last Update Posted : June 13, 2019
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Diabetes Mellitus Diabetic Retinopathy Diabetic Macular Edema | Drug: THR-149 dose level 1 Drug: THR-149 dose level 2 Drug: THR-149 dose level 3 | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 12 participants |
Allocation: | Non-Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 1, Open-label, Multicenter, Dose Escalation Study to Evaluate the Safety of a Single Intravitreal Injection of THR-149 for the Treatment of Diabetic Macular Edema (DME) |
Actual Study Start Date : | May 18, 2018 |
Actual Primary Completion Date : | May 22, 2019 |
Actual Study Completion Date : | May 22, 2019 |
Arm | Intervention/treatment |
---|---|
Experimental: THR-149 dose level 1 |
Drug: THR-149 dose level 1
single intravitreal injection of THR-149 dose level 1 |
Experimental: THR-149 dose level 2 |
Drug: THR-149 dose level 2
single intravitreal injection of THR-149 dose level 2 |
Experimental: THR-149 dose level 3 |
Drug: THR-149 dose level 3
single intravitreal injection of THR-149 dose level 3 |
- Incidence of dose-limiting toxicities up to the Day 14 visit [ Time Frame: up to Day 14 ]
- Incidence of systemic and ocular adverse events including serious adverse events up to the end of the study [ Time Frame: From Day 0 up to Day 84 ]
- Occurrence of laboratory abnormalities up to the end of the study [ Time Frame: At Screening, Day 1, Day 7, Day 28 and Day 84 ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Male or female aged 18 years or older
- Type 1 or type 2 Diabetes Mellitus
- Central-involved DME with central subfield thickness of ≥ 320µm on Spectralis® spectral domain optical coherence tomography (SD-OCT) or ≥ 305µm on non-Spectralis SD-OCT, in the study eye
- Best-corrected visual acuity (BCVA) ≤ 62 and ≥ 23 ETDRS letter score in the study eye
- Written informed consent obtained from the subject prior to screening procedures
Exclusion Criteria:
- Macular edema due to causes other than DME
- Concurrent disease in the study eye, other than central-involved DME, that could compromise BCVA, require medical or surgical intervention during the study period or could confound interpretation of the results
- Any condition that could confound the ability to detect a change in central subfield thickness in the study eye
- Previous confounding treatments / procedures, or their planned / expected use during the study period
- Presence of neovascularization at the disc (NVD) in the study eye
- Uncontrolled glaucoma in the study eye
- Any active ocular / intra-ocular infection or inflammation in either eye
- Poorly controlled Diabetes Mellitus
- Uncontrolled hypertension

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03511898
United States, Arizona | |
Retina Consultants of Arizona | |
Phoenix, Arizona, United States, 85053 | |
United States, Massachusetts | |
Ophthalmic Consultants of Boston | |
Boston, Massachusetts, United States, 02114 | |
United States, Nevada | |
Sierra Eye Associates | |
Reno, Nevada, United States, 89502 | |
United States, Pennsylvania | |
Mid Atlantic Retina | |
Huntingdon Valley, Pennsylvania, United States, 19006 | |
United States, Texas | |
Retina Research Institute of Texas | |
Abilene, Texas, United States, 79606 | |
Retinal Research Center, PLLC | |
Austin, Texas, United States, 78705 | |
Retina Consultants of Houston | |
Houston, Texas, United States, 77030 |
Study Director: | Clinical Department | ThromboGenics |
Responsible Party: | ThromboGenics |
ClinicalTrials.gov Identifier: | NCT03511898 |
Other Study ID Numbers: |
THR-149-001 |
First Posted: | April 30, 2018 Key Record Dates |
Last Update Posted: | June 13, 2019 |
Last Verified: | June 2019 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Macular Edema Diabetic Retinopathy Edema Macular Degeneration Retinal Degeneration Retinal Diseases Eye Diseases |
Diabetic Angiopathies Vascular Diseases Cardiovascular Diseases Diabetes Complications Diabetes Mellitus Endocrine System Diseases |