Safety and Preliminary Efficacy Study of WST11 (Stakel®)-Mediated VTP Therapy in Subjects With CNV Associated With AMD

Stopped early · Phase 2

Conditions studied: Macular Degeneration, Choroidal Neovascularization

In brief

The objectives of this study are to evaluate the safety(first objective) and efficacy(second objective)of an experimental drug product,Stakel®, in the treatment of neovascular Age related Macular Degeneration (AMD). The drug product is activated in patients by exposure to light at a specific wavelength ("Vascular Targeted Photodynamic therapy", "VTP"). The exploratory objective is to assess whether it is possible to delay or reduce the requirement for anti Vascular Endothelium Growth Factor (anti VEGF) intravitreal therapy in the first 12 weeks after VTP. All subjects will have a 52 weeks safety follow up telephone call (Not for Adverse Events (AEs) collection).

Key facts

Study ID

NCT01021956

Run by

Steba Biotech S.A.

People needed

10

Starts

2010-06-01

Expected to finish

2014-01-01

Last updated by the study team

2018-09-17

Who can join

Age: 50 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Twenty eight days or more after at least one ranibizumab injection, recurrent leakage on Fluorescein Angiography (FA) from subfoveal Choroidal NeoVessels (CNV) secondary to AMD.
• Total lesion size not exceeding 5400 μm in its greatest linear dimension.
• Best Corrected Visual Acuity (BCVA) letter score of 73 to 23 in the study eye at a starting distance of 4 meters.
• No contraindication to intravitreal ranibizumab injection.
• Postmenopausal for at least 12 months prior to enrollment or practicing medically acceptable form of birth control and not pregnant. Male subjects must be practicing a medically acceptable form of birth control.

You may not qualify if…

• Prior treatments:
• Previous subfoveal laser photocoagulation, external-beam radiation therapy, or transpupillary thermoTherapy (TTT) in the study eye at any time.
• Using anti-VEGF therapies for other indications (e.g., cancer) in the 30 days prior to the study and/or during the study
• Received anti-VEGF injection in study eye during less than 28 days prior to Day 1 of the study.
• More than three previous photodynamic therapy (PDT) treatments in the preceding 12 months.
• Laser photocoagulation (juxtafoveal or extrafoveal) in the study eye within the preceding month.
• History of vitrectomy,of glaucoma filtering surgery,submacular surgery or other surgical intervention in the study eye.
• History of corneal transplant in the study eye.
• Previous participation in any studies of investigational drugs within 1 month preceding Day 1 (excluding vitamins and minerals).
• Lesion Characteristics
• Permanent structural damage to the center of the fovea of the study eye, or a concurrent ocular or systemic condition that could contraindicate administration of an investigational drug, or render the subject at a high risk of treatment complications.
• Subretinal hemorrhage in the study eye that involves the center of the fovea, if the size of the hemorrhage is either ≥50% of the total lesion area or ≥1 disc area in size.
• Subfoveal fibrosis or atrophy in the study eye which is at least 50% of the lesion.
• CNV in either eye due to other causes.
• Retinal pigment epithelial tear involving the macula in the study eye.
• Concurrent Ocular Conditions
• Active intraocular inflammation (grade trace or above) or current vitreous hemorrhage or rhegmatogenous retinal detachment or macular hole (Stage 3 or 4) in the study eye.
• History of idiopathic or autoimmune-associated uveitis in either eye.
• Infectious conjunctivitis, keratitis, scleritis, or endophthalmitis in either eye.
• Aphakia or absence of the posterior capsule in the study eye.
• Spherical equivalent of the refractive error in the study eye demonstrating more-than eight diopters of myopia.
• Intraocular surgery (including cataract surgery) in the study eye within three months preceding Day 1.
• Uncontrolled glaucoma in the study eye.

Where it is running

• Johns Hopkins,Wilmer Eye Institute — Baltimore, Maryland, United States
• Palmetto Retina Center — West Columbia, South Carolina, United States
• Valley Retina Institute — Harlingen, Texas, United States
• Hotel Dieu de Paris Hospital — Paris, France

Full record on ClinicalTrials.gov

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