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Ranibizumab to Treat Type 2 Idiopathic Macular Telangiectasia (RAMA-Trial)
This study is currently recruiting participants.
Verified by University Hospital, Bonn, September 2007
Sponsors and Collaborators: University Hospital, Bonn
Novartis
Information provided by: University Hospital, Bonn
ClinicalTrials.gov Identifier: NCT00504400
  Purpose

The purpose of this study is to investigate if a new drug called ranibizumab is effective to treat a rare bilateral disease of the macula: type 2 idiopathic macular telangiectasia (type 2 IMT). 10 patients will receive monthly injections of the drug into one eye over a period of one year.


Condition Intervention Phase
Type 2 Idiopathic Macular Telangiectasia
Drug: Intravitreal injection ranibizumab
Phase II

Drug Information available for: Ranibizumab
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Open Label, Uncontrolled, Single Group Assignment, Safety/Efficacy Study
Official Title: Ranibizumab in Idiopathic Macular Telangiectasia, Type 2. A Prospective Interventional Non-Randomized Study Comparing the Efficacy and Safety of Intravitreal Ranibizumab in Type 2 Idiopathic Macular Telangiectasia.

Further study details as provided by University Hospital, Bonn:

Primary Outcome Measures:
  • Best corrected visual acuity [ Time Frame: one year ]

Secondary Outcome Measures:
  • Reading ability [ Time Frame: one year ]
  • Scotomas measured by means of microperimetry [ Time Frame: one year ]
  • Changes in retinal thickness assessed by optical coherence tomography (OCT) imaging [ Time Frame: one year ]
  • Changes in parafoeal leakage assessed by fluorescein angiography [ Time Frame: one year ]
  • Quality of life [ Time Frame: one year ]

Estimated Enrollment: 10
Study Start Date: August 2007
Estimated Study Completion Date: October 2008
Arms Assigned Interventions
A: Experimental Drug: Intravitreal injection ranibizumab
Monthly intravitreal injection of of 0.5mg ranibizumab in one eye over one year

Detailed Description:

Type 2 idiopathic macular telangiectasia (type 2 IMT) is a retinal disease of unknown etiology that commonly presents with a slow decrease in visual acuity, reading difficulties and metamorphopsia in the fifth to seventh decade. Diagnosis is based on fluorescein angiography which typically reveals parafoveal leakage in the late phase and may show telangiectatic capillaries in the early phase. In a subset of patients, a proliferative stage with secondary neovascularizations may develop late in the disease course. In the past, there has been no effective treatment for the disease stages without neovascularization.

Recent studies in a limited number of patients with nonproliferative disease have shown promising results after intravitreal injection of bevacizumab, an antagonist targeting vascular endothelial growth factor (VEGF). Bevacizumab resulted in a decrease of parafoveal leakage in fluorescein angiography and a decrease in retinal thickness. An increase in visual acuity was reported in a subset of patients.

The RAMA-Trial is initiated in order to investigate the effect of a ranibizumab. The safety and tolerability of this VEGF-antagonist has been extensively studied in large cohorts of patients suffering from age-related macular degeneration.

Patients with type 2 IMT will receive monthly injections over a period of one year. The above mentioned outcome measures will be assessed.

  Eligibility

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Diagnosis of type 2 idiopathic macular telangiectasia
  • minimum of 18 years
  • patient must be able to follow protocol
  • written informed consent
  • best corrected visual acuity between 20/200 - 20/32 in the treated eye

Exclusion Criteria:

  • patients who do not fulfill the inclusion criteria
  • patients with other retinal vascular disesase such as diabetic retinopathy or venous occlusive diseases
  • ocular surgery 3 months before study enrolement
  • history of uncontrolled glaucoma
  • active intraocular inflammation or inflammation of the ocular adnexa
  • subfoveal fibrosis in the study eye
  • inability to follow study protocol
  • major surgery one month before study enrolement
  • history of severe cardiovascular disease or history of stroke 6 months before study enrolement
  • allergies against substances or components of the study medication
  • low anticipated compliance
  • patients who participate(d) in clinical trials simultaneously or within the last 60 days
  • pregnancy, lactation, women that may become pregnant and don't use safe contraception
  • chronic alcohol- or drug abuse within the last year
  • lacking legal competence or language ability
  • neurologic diseases such as multiple sclerosis
  • need of concomitant medication that is not allowed in combination with ranibizumab
  • previous intravitreal therapy with anti-angiogenic substances in the study eye within the last 6 months
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00504400

Contacts
Contact: Zentrum für klinische Studien +49 / 228 2871 4748

Locations
Germany
Department of Ophthalmology, University of Bonn Recruiting
Bonn, Germany
Contact: Frank G. Holz, MD     +49 / 228 2871 5647     Frank.Holz@ukb.uni-bonn.de    
Contact: Hendrik PN Scholl, MD, MA     +49 / 228 2871 5505     Hendrik.Scholl@ukb.uni-bonn.de    
Principal Investigator: Frank G. Holz, MD            
Sub-Investigator: Peter Charbel Issa, MD            
Principal Investigator: Hendrik PN Scholl, MD, MA            
Sponsors and Collaborators
University Hospital, Bonn
Novartis
Investigators
Principal Investigator: Frank Holz, MD University of Bonn, Department of Ophthalmology
Principal Investigator: Hendrik PN Scholl, MD, MA University Hospital, Bonn
  More Information

Related Info  This link exits the ClinicalTrials.gov site

Study ID Numbers: CRFB002ADE04, EudraCT number 2006-006233-40
Study First Received: July 18, 2007
Last Updated: September 14, 2007
ClinicalTrials.gov Identifier: NCT00504400  
Health Authority: Germany: Paul-Ehrlich-Institut

Keywords provided by University Hospital, Bonn:
macular telangiectasia
parafoveolar telangiectasis
nonproliferative
therapy
intravitreal injection
ranibizumab
lucentis

Study placed in the following topic categories:
Telangiectasis
Vascular Diseases

Additional relevant MeSH terms:
Cardiovascular Diseases

ClinicalTrials.gov processed this record on January 16, 2009