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A Study to Evaluate Efficacy, Safety, Tolerability and Exposure After a Repeat-dose of Sepofarsen (QR-110) in LCA10 (ILLUMINATE)

Phase 2
Active, not recruiting
Conditions
Neurologic Manifestations
Blindness
Leber Congenital Amaurosis
Eye Diseases
Eye Disorders Congenital
Vision Disorders
Leber Congenital Amaurosis 10
Sensation Disorders
Retinal Disease
Eye Diseases, Hereditary
Interventions
Other: Sham
Registration Number
NCT03913143
Lead Sponsor
ProQR Therapeutics
Brief Summary

The purpose of this double-masked, randomized, controlled, multiple-dose study is to evaluate the efficacy, safety, tolerability and systemic exposure of sepofarsen (QR-110) administered via intravitreal injection in subjects with Leber's Congenital Amaurosis (LCA) due to the CEP290 p.Cys998X mutation after 24 months of treatment

Detailed Description

The purpose of this double-masked, randomized, controlled, multiple-dose study is to evaluate the efficacy, safety, tolerability and systemic exposure of sepofarsen (QR-110) administered via intravitreal injection in subjects with Leber's Congenital Amaurosis (LCA) due to the CEP290 p.Cys998X mutation after 24 months of treatment.

At study start subjects will be randomized to one of 3 treatment groups with either active study drug or sham treatment.

Sepofarsen (QR-110) will be administered via intravitreal (IVT) injection into the subject's treatment eye (the subject's worse eye).

Subjects in the sham-procedure group will undergo a procedure that will closely mimic the active injection.

After each dosing subjects will be assessed for safety and tolerability at follow up visits.

After the first eye has been treated for at least 12 months, treatment of the contralateral eye and cross-over of subjects assigned to sham procedure may be initiated in eligible eyes (in a masked manner) based on assessment of benefit/risk (including review of data from all clinical trials), and with concurrence of the Medical Monitor.

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
36
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Group 3: ShamShamSham procedure (no experimental drug administered), Day 1, month 3 and every six months there after. After 12 months cross over to active study drug may be initiated
Group 1: Dose 1 sepofarsen (QR-110)sepofarsenInitial loading dose, followed by maintenance doses at month 3 and every 6 months there after, administered by intravitreal injection (24 months duration of treatment). After 12 months treatment of the contralateral eye may be initiated
Group 2: Dose 2 sepofarsen (QR-110)sepofarsenInitial loading dose, followed by maintenance doses at month 3 and every 6 months there after, administered by intravitreal injection (24 months duration of treatment). After 12 months treatment of the contralateral eye may be initiated
Primary Outcome Measures
NameTimeMethod
Change in BCVA12 months

Change in Best-corrected visual acuity (BCVA) relative to baseline after 12 months of treatment versus sham-procedure

Secondary Outcome Measures
NameTimeMethod
Change in FST light sensitivity12 and 24 months

Change from baseline in light sensitivity Full-field light sensitivity threshold (FST) testing (white, red, blue)

Change from baseline in BCVA ≤ -0.3 LogMAR12 and 24 months

Change from baseline in BCVA in subjects with BCVA better than 1.7 Logarithm of the minimum angle of resolution (LogMAR) at baseline

Change in oculomotor instability (OCI)12 and 24 months

Change in oculomotor instability from baseline

Change in LLVA12 and 24 months

Change from baseline in low luminance visual acuity (LLVA)

Change in FAF12 and 24 months

Change from baseline as determined by fundus autofluorescence (FAF) imaging

Change in mobility course score12 and 24 months

Change from baseline in mobility course score

Change in BCVA based on FrACT12 and 24 months

Change from baseline in BCVA based on Freiburg visual acuity and contrast test (FrACT)

Ocular and non-ocular AEs12 and 24 months

Frequency and severity of ocular and non-ocular AEs

Clinical meaningful improvement in subjects with BCVA ≤ 1.7 LogMAR12 and 24 months

Change from baseline in BCVA by a clinically meaningful improvement in subjects with BCVA equal to or worse than 1.7 LogMAR at baseline.

Change in patient reported visual function via VFQ-25 (adults)12 and 24 months

Change in patient reported visual function, as measured by the Visual Function Questionnaire-25 (VFQ-25) score for adult subjects relative to baseline

Systemic exposure to QR-11012 and 24 months

Systemic exposure to QR-110

Change in ellipsoid zone (EZ) width/area assessed by SD-OCT12 and 24 months

Change from baseline in ellipsoid zone (EZ) width/area assessed by SD-OCT

Changes in microperimetry12 and 24 months

Change from baseline as determined by microperimetry

Change in patient reported visual function via CVAQC (pediatrics)12 and 24 months

Change in patient reported visual function, as measured by the Cardiff Visual Ability Questionnaire for Children (CVAQC) for pediatric subjects relative to baseline

Change in the Patient Global Impressions of Severity (PGI-S)12 and 24 months

Change in the patient-reported outcome (PRO) Patient Global Impressions of Severity (PGI-S)

Change in the Patient Global Impressions of Change (PGI-C)12 and 24 months

Change in the PRO Patient Global Impressions of Change (PGI-C)

Trial Locations

Locations (14)

University of Iowa

🇺🇸

Iowa City, Iowa, United States

Universitair Ziekenhuis Gent (UZ)

🇧🇪

Ghent, Belgium

Moorfields Eye Hospital - NHS Foundation Trust

🇬🇧

London, United Kingdom

McGill University Health Centre - Centre for Innovative Medicine

🇨🇦

Montréal, Quebec, Canada

Federal University of São Paulo - Hospital São Paulo (UNIFESP-HSP)

🇧🇷

São Paulo, SP, Brazil

Hospital Civil de Strasbourg

🇫🇷

Strasbourg, France

Justus-Liebig Universität - Department of Ophthalmology

🇩🇪

Gießen, Germany

University of Tuebingen - Inst. for Ophthalmic Research

🇩🇪

Tuebingen, Germany

Eye Clinic University of Campania Luigi Vanvitelli

🇮🇹

Naples, Italy

Amsterdam University Medica Center - Locatie AMC

🇳🇱

Amsterdam, Netherlands

Het Oogziekenhuis Rotterdam

🇳🇱

Rotterdam, Netherlands

INRET Clínica/ Santa Casa de Misericórdia de Belo Horizonte

🇧🇷

Belo Horizonte, MG, Brazil

The Hospital for Sick Children - SickKids

🇨🇦

Toronto, Ontario, Canada

Centre de maladies rares CHNO des Quinze Vingt

🇫🇷

Paris, France

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