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The purpose of this study was to assess the effect of ranibizumab in reducing intraoperative vitreous haemorrhage during pars plana vitrectomy, thus facilitating surgery and improving its anatomical and functional results in patients with advanced proliferative diabetic retinopathy and traction retinal detachment.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| RANI/PPV | Experimental | Preoperative intravitreal ranibizumab and pars plana vitrectomy |
|
| PPV | Placebo Comparator | Sham injection and pars plana vitrectomy |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ranibizumab | Drug | Intravitreal injection of ranibizumab 0.05 ml (0.5 mg) one week before pars plana vitrectomy |
|
| Measure | Description | Time Frame |
|---|---|---|
| amount of intraoperative intra-ocular bleeding | amount of intra-ocular bleeding that occurred during pars plana vitrectomy | one week |
| Measure | Description | Time Frame |
|---|---|---|
| visual acuity | ETDRS best corrected visual acuity at 12 weeks after pars plana vitrectomy | 12 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Rodrigo Jorge, MD, PhD | University of Sao Paulo | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of São Paulo | Ribeirão Preto | São Paulo | 14048-900 | Brazil |
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| ID | Term |
|---|---|
| D003930 | Diabetic Retinopathy |
| D012163 | Retinal Detachment |
| D014823 | Vitreous Hemorrhage |
| ID | Term |
|---|---|
| D012164 | Retinal Diseases |
| D005128 | Eye Diseases |
| D003925 | Diabetic Angiopathies |
| D014652 | Vascular Diseases |
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| ID | Term |
|---|---|
| D000069579 | Ranibizumab |
| C005703 | salicylhydroxamic acid |
| ID | Term |
|---|---|
| D061067 | Antibodies, Monoclonal, Humanized |
| D000911 | Antibodies, Monoclonal |
| D000906 | Antibodies |
| D007136 | Immunoglobulins |
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| Sham injection | Other | Simulation of intravitreal injection one week before pars plana vitrectomy |
|
| D002318 |
| Cardiovascular Diseases |
| D048909 | Diabetes Complications |
| D003920 | Diabetes Mellitus |
| D004700 | Endocrine System Diseases |
| D005130 | Eye Hemorrhage |
| D006470 | Hemorrhage |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D007162 |
| Immunoproteins |
| D001798 | Blood Proteins |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
| D012712 | Serum Globulins |
| D005916 | Globulins |