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Surabgene Lomparvovec Administered in the Suprachoroidal Space in Adult Participants With Diabetic Retinopathy Without Center-Involved Diabetic Macular Edema (NAAVIGATE)

15. september 2026 oppdatert av: AbbVie

An Operationally Seamless Phase 2b/3, Multicenter, Randomized, Masked, Sham-controlled Study to Evaluate the Efficacy and Safety of Surabgene Lomparvovec (Sura-vec) Delivered Via Suprachoroidal Space (SCS) Injection Targeting Subjects With Diabetic Retinopathy Without Center Involved-Diabetic Macular Edema (CI-DME) (NAAVIGATE)

Diabetic Retinopathy (DR) is a common eye condition caused by diabetes, where high blood sugar levels damage the blood vessels in the back part of the eye (called the retina). Over time, this damage can lead to vision problems and even blindness if not treated. This study will assess surabgene lomparvovec (sura-vec) as a potential one-time gene therapy administered in the suprachoroidal space (SCS) for the treatment of diabetic retinopathy (DR) and prevention of vision-threatening events (VTEs) in participants with non-proliferative DR (NPDR) without center-involved diabetic macular edema (CI-DME).

This study will consist of 3 portions: a Phase 2b portion, a Phase 3 portion, and a bilateral treatment portion. Approximately 576 adult participants will be enrolled in the study across multiple sites in the United States and Puerto Rico.

In the Phase 2b and Phase 3 portions, participants will be randomized to different groups to receive sura-vec and prophylactic steroids or sham and artificial tears in their study eye. If assigned to sham, participants will be given an opportunity to cross over and receive treatment with sura-vec. In the bilateral treatment portion, participants will be enrolled to receive sura-vec and prophylactic steroids in both eyes. In all 3 portions, follow-up in the study will continue through 5 years following administration of sura-vec in each eye.

There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

576

Fase

  • Fase 2
  • Fase 3

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

  • Forente stater
    • Arizona
      • Phoenix, Arizona, Forente stater, 85053
        • Rekruttering
        • Retinal Consultants Of Arizona - Phoenix - North /ID# 283407
      • Scottsdale, Arizona, Forente stater, 85255-4134
        • Rekruttering
        • Retina Macula Institute of Arizona /ID# 282881
      • Sun City, Arizona, Forente stater, 85351
        • Rekruttering
        • Barnet Dulaney Perkins Eye Center - Sun City /ID# 283000
    • California
      • Bakersfield, California, Forente stater, 93309
        • Rekruttering
        • California Retina Consultants - Bakersfield /ID# 282990
      • Encino, California, Forente stater, 91436
        • Rekruttering
        • The Retina Partners /ID# 274741
      • Mountain View, California, Forente stater, 94040-4119
        • Rekruttering
        • Northern California Retina Vitreous Associates /ID# 282994
      • Pasadena, California, Forente stater, 91107
        • Rekruttering
        • California Eye Specialists Medical Group /ID# 274705
      • Poway, California, Forente stater, 92064
        • Rekruttering
        • Retina Consultants San Diego /ID# 274748
      • San Francisco, California, Forente stater, 94109
        • Rekruttering
        • West Coast Retinal Medical Group /ID# 283007
      • Torrance, California, Forente stater, 90503
        • Rekruttering
        • Macula Retina Vitreous Center - Torrance /ID# 282878
      • Walnut Creek, California, Forente stater, 94598-5910
        • Rekruttering
        • Bay Area Retina Associates /ID# 275032
    • Colorado
      • Durango, Colorado, Forente stater, 81303
        • Rekruttering
        • Southwest Retina Research Center /ID# 276094
      • Lakewood, Colorado, Forente stater, 80228
        • Rekruttering
        • Colorado Retina Associates /ID# 283006
      • Longmont, Colorado, Forente stater, 80503
        • Rekruttering
        • Advanced Vision Surgery Center /ID# 275017
    • Florida
      • Lakeland, Florida, Forente stater, 33805
        • Rekruttering
        • Florida Retina Consultants - Lakeland /ID# 275012
      • Orlando, Florida, Forente stater, 32806
        • Rekruttering
        • Florida Retina Institute - Orlando /ID# 283034
      • Pensacola, Florida, Forente stater, 32503
        • Rekruttering
        • Retina Speciality Institute /ID# 274996
    • Georgia
      • Augusta, Georgia, Forente stater, 30909
        • Rekruttering
        • Southeast Retina Center /ID# 274739
    • Illinois
      • Chicago, Illinois, Forente stater, 60657
        • Rekruttering
        • Illinois Retina Associates S.C /ID# 283048
      • Oak Forest, Illinois, Forente stater, 60452
        • Rekruttering
        • University Retina - Oak Forest /ID# 283021
      • Springfield, Illinois, Forente stater, 62702
        • Rekruttering
        • Springfield Clinic - First /ID# 283028
    • Kansas
      • Lenexa, Kansas, Forente stater, 66215
        • Rekruttering
        • Retina Associates - Lenexa /ID# 283004
    • Maine
      • Portland, Maine, Forente stater, 04101
        • Rekruttering
        • Maine Eye Center - Marginal Way Campus /ID# 275039
    • Maryland
      • Hagerstown, Maryland, Forente stater, 21740
        • Rekruttering
        • Mid Atlantic Retina Specialists - Hagerstown /ID# 274725
    • Nevada
      • Reno, Nevada, Forente stater, 89502
        • Rekruttering
        • Sierra Eye Associates /ID# 274737
    • New Jersey
      • Bloomfield, New Jersey, Forente stater, 07003
        • Rekruttering
        • Retina Center Of New Jersey /ID# 283088
    • Ohio
      • Beachwood, Ohio, Forente stater, 44122
        • Rekruttering
        • Retina Associates Of Cleveland - Beachwood /ID# 275985
    • South Carolina
      • Charleston, South Carolina, Forente stater, 29414
        • Rekruttering
        • Charleston Neuroscience Institute - Charleston /ID# 275047
    • Texas
      • Austin, Texas, Forente stater, 78705
        • Rekruttering
        • Austin Research Center for Retina /ID# 276101
      • Burleson, Texas, Forente stater, 76028
        • Rekruttering
        • Star Retina /ID# 276513
      • Dallas, Texas, Forente stater, 75231
        • Rekruttering
        • Texas Retina Associates - Dallas /ID# 276117
    • Virginia
      • Salem, Virginia, Forente stater, 24153
        • Rekruttering
        • Vistar Eye Center - Salem /ID# 282879
  • Puerto Rico
      • Arecibo, Puerto Rico, 00612
        • Rekruttering
        • Emanuelli Research & Development Center /ID# 275378

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

Ocular (Study Eye for Phase 2b and Phase 3 Portions; Both Eyes for Bilateral Portion)

  • Moderately severe or severe nonproliferative diabetic retinopathy (NPDR) (early treatment diabetic retinopathy study-diabetic retinopathy severity scale [DRSS] level 47 or 53) for which panretinal photocoagulation (PRP) or anti- vascular endothelial growth factor (VEGF) can be safely deferred for at least 6 months after Screening Visit 1.
  • Best-corrected visual acuity (BCVA) in the study eye of >= 69 Early treatment diabetic retinopathy study letters (approximate Snellen equivalent 20/40 or better) at Screening Visit 1.

Systemic

• Diabetic retinopathy (DR) secondary to diabetes mellitus Type 1 or 2 with a hemoglobin A1c (HbA1c)< 12% within 60 days prior to Screening Visit 1.

Exclusion Criteria:

Ocular (Study Eye for Phase 2b and Phase 3 Portions; Both Eyes for Bilateral Portion)

  • Presence of active center involved-diabetic macular edema (CI-DME) in the study eye as determined by spectral domain optical coherence tomography (SD-OCT) evaluated by the central reading center (CRC), using the following threshold:

Central retinal thickness (CRT) >= 320 μm as measured by Heidelberg Spectralis SD-OCT (conversion to equivalent measurement is required and performed by the CRC if imaging is done with another SD-OCT instrument).

  • Active ocular inflammation including scleral inflammation (including episcleritis) or ocular/ periocular infection present in either eye at Screening Visit 1 or Screening Visit 2
  • Neovascularization from a cause other than DR, per investigator
  • Evidence or documented history of panretinal photocoagulation (PRP) or retinal laser therapy
  • History of intravitreal therapy, including anti-VEGF and long- or short-acting steroid therapy, within the prior 6 months and documentation of more than 10 prior anti-VEGF or short acting steroid intravitreal injections within 36 months of Screening Visit 1
  • Pregnant and breastfeeding individuals are excluded from this clinical study.

Systemic

  • Initiation of intensive insulin treatment (pump or multiple daily injections) within the past 6 months or plans to do so within 52 weeks after Day 1
  • Initiation of any treatment containing a GLP-1 receptor agonist within the 3 months prior to Screening Visit 1 or plans to do so within 52 weeks after Day 1
  • Pregnant and breastfeeding individuals are excluded from this clinical study

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Dobbelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Phase 2b: Surabgene Lomparvovec + Steroid-Regimen A
Participants will receive a single Suprachoroidal space (SCS) injection dose of surabgene lomparvovec (sura-vec) + steroid-Regimen A.
Legemiddel: Surabgene Lomparvovec
Solution Injection
Legemiddel: Topical Steroid
Topical Drops
Eksperimentell: Phase 2b: Surabgene Lomparvovec + Steroid-Regimen B
Participants will receive a single SCS injection dose of surabgene lomparvovec (sura-vec) + steroid-Regimen B.
Legemiddel: Surabgene Lomparvovec
Solution Injection
Legemiddel: Topical Steroid
Topical Drops
Placebo komparator: Phase 2b: Sham + Artificial Tears -Regimen A
Participants will receive a single injection of sham+ artificial tears -Regimen A.
Legemiddel: Sham
needleless injection without fluid
Legemiddel: Artificial Tears
Topical Drops
Placebo komparator: Phase 2b: Sham + Artificial Tears -Regimen B
Participants will receive a single injection of Sham+ artificial tears -Regimen B.
Legemiddel: Sham
needleless injection without fluid
Legemiddel: Artificial Tears
Topical Drops
Eksperimentell: Phase 3: Surabgene Lomparvovec + Steroid
Participants will receive a single SCS injection dose of Surabgene Lomparvovec + Steroid
Legemiddel: Surabgene Lomparvovec
Solution Injection
Legemiddel: Topical Steroid
Topical Drops
Placebo komparator: Phase 3: Sham + Artificial Tears
Participants will receive a single injection of Sham + artificial tears.
Legemiddel: Sham
needleless injection without fluid
Legemiddel: Artificial Tears
Topical Drops
Eksperimentell: Bilateral: B1-Surabgene Lomparvovec + Steroid
Participants will receive a single SCS injection dose of Surabgene Lomparvovec + Steroid eye drops in each eye.
Legemiddel: Surabgene Lomparvovec
Solution Injection
Legemiddel: Topical Steroid
Topical Drops
Eksperimentell: Bilateral: B2-Surabgene Lomparvovec + Steroid
Participants will receive a single SCS injection dose of Surabgene Lomparvovec +Steroid eye drops in each eye.
Legemiddel: Surabgene Lomparvovec
Solution Injection
Legemiddel: Topical Steroid
Topical Drops

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Phase 2B: Percentage of Participants Achieving >= 2-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 3: Percentage of Participants Achieving >= 2-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Bilateral Portion: Bilateral portion: Number of participants experiencing ocular Adverse Events (AEs), Serious Adverse Events (SAEs), or any Adverse Events of Special Interest (AESIs)
Tidsramme: Up to Approximately Week 104
Safety of bilateral administration with sura-vec will be assessed with Ocular AEs, SAEs, and AESIs. An AE is defined as any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product which does not necessarily have a causal relationship with this treatment.
Up to Approximately Week 104
Bilateral Portion: Participants Who Experience Intraocular Inflammation
Tidsramme: Up to Approximately Week 104
Percentage of participants who experience intraocular inflammation.
Up to Approximately Week 104
Bilateral Portion: Participants Who Experience Scleral Inflammation Including Episcleritis
Tidsramme: Up to Approximately Week 104
Percentage of participants who experience scleral inflammation including episcleritis.
Up to Approximately Week 104

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Phase 2B: Percentage of Participants Who Develop a Vision-Threatening Event (VTE) due to Diabetic Retinopathy (DR)
Tidsramme: Up to Approximately Week 52
Participants will be assessed for the development of VTEs
Up to Approximately Week 52
Phase 2B: Percentage of Participants Who Develop a Vision-Threatening Event (VTE) due to Diabetic Retinopathy (DR)
Tidsramme: Up to Approximately Week 104
Participants will be assessed for the development of VTEs
Up to Approximately Week 104
Phase 2B: Percentage of Participants Who Experience Progression to Proliferative Diabetic Retinopathy (PDR) or Anterior Segment Neovascularization (ASNV) in the Study Eye
Tidsramme: Up to Approximately Week 52
Participants will be assessed for the progression to PDR or ASNV.
Up to Approximately Week 52
Phase 2B: Percentage of Participants Who Experience Progression to Proliferative Diabetic Retinopathy (PDR) or Anterior Segment Neovascularization (ASNV) in the Study Eye
Tidsramme: Up to Approximately Week 104
Participants will be assessed for the progression to PDR or ASNV.
Up to Approximately Week 104
Phase 2B: Percentage of Participants Who Develop Center Involved-Diabetic Macular Edema (CI-DME) in the Study Eye
Tidsramme: Up to Approximately Week 52
Participants will be assessed for the development of CI-DME.
Up to Approximately Week 52
Phase 2B: Percentage of Participants Who Develop Center Involved-Diabetic Macular Edema (CI-DME) in the Study Eye
Tidsramme: Up to Approximately Week 104
Participants will be assessed for the development of CI-DME.
Up to Approximately Week 104
Phase 2B: Percentage of Participants Achieving >= 2-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye.
Tidsramme: Up to approximately Week 14
Percentage of participants who develop treatment-emergent ocular inflammation.
Up to approximately Week 14
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye.
Tidsramme: Up to approximately Week 24
Percentage of participants who develop treatment-emergent ocular inflammation.
Up to approximately Week 24
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye.
Tidsramme: Up to approximately Week 38
Percentage of participants who develop treatment-emergent ocular inflammation.
Up to approximately Week 38
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye.
Tidsramme: Up to approximately Week 52
Percentage of participants who develop treatment-emergent ocular inflammation.
Up to approximately Week 52
Phase 2B: Percentage of Participants Achieving>= 2-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 2B: Percentage of Participants Achieving >= 2-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 2B: Percentage of Participants With No Change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 2B: Percentage of participants With No Change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 2B: Percentage of Participants Achieving >= 2-Step or >= 3-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye.
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 2B: Percentage of Participants Achieving >= 2-Step or >= 3-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye.
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 2B: Percentage of Participants Achieving >= 3-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 2B: Percentage of Participants Achieving >= 3-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 2B: Participants With Change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 2B: Percentage of Participants With Change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye, Comparing 2 Topical Corticosteroid Regimens for Ocular Inflammation Prophylaxis
Tidsramme: Up to approximately Week 14
Percentage of participants who develop treatment-emergent ocular inflammation, comparing 2 topical corticosteroid regimens for ocular inflammation prophylaxis.
Up to approximately Week 14
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye, Comparing 2 Topical Corticosteroid Regimens for Ocular Inflammation Prophylaxis
Tidsramme: Up to approximately Week 24
Percentage of participants who develop treatment-emergent ocular inflammation, comparing 2 topical corticosteroid regimens for ocular inflammation prophylaxis.
Up to approximately Week 24
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye, Comparing 2 Topical Corticosteroid Regimens for Ocular Inflammation Prophylaxis
Tidsramme: Up to approximately Week 38
Percentage of participants who develop treatment-emergent ocular inflammation, comparing 2 topical corticosteroid regimens for ocular inflammation prophylaxis.
Up to approximately Week 38
Phase 2B: Participants Who Develop Treatment-Emergent Ocular Inflammation in the Study Eye, Comparing 2 Topical Corticosteroid Regimens for Ocular Inflammation Prophylaxis
Tidsramme: Up to approximately Week 52
Percentage of participants who develop treatment-emergent ocular inflammation, comparing 2 topical corticosteroid regimens for ocular inflammation prophylaxis.
Up to approximately Week 52
Phase 2B: Participants Who Receive Treatments for Diabetic Retinopathy (DR) Complications in the Study Eye
Tidsramme: Up to Approximately Week 52
Percentage of participants who receive treatments for DR complications in the study eye.
Up to Approximately Week 52
Phase 2B: Participants Who Receive Treatments for Diabetic Retinopathy (DR) Complications in the Study Eye
Tidsramme: Up to Approximately Week 104
Percentage of participants who receive treatments for DR complications in the study eye.
Up to Approximately Week 104
Phase 3 (key secondary): Percentage of Participants who develop a Vision-Threatening Event (VTE) due to Diabetic Retinopathy (DR)
Tidsramme: Up to Approximately Week 52
Participants will be assessed for the development of VTEs
Up to Approximately Week 52
Phase 3 (key secondary): Percentage of Participants who develop a Vision-Threatening Event (VTE) due to Diabetic Retinopathy (DR)
Tidsramme: Up to Approximately Week 104
Participants will be assessed for the development of VTEs
Up to Approximately Week 104
Phase 3 (key secondary): Percentage of Participants Who Experience Progression to Proliferative Diabetic Retinopathy (PDR) or Anterior Segment Neovascularization (ASNV) in the Study Eye
Tidsramme: Up to Approximately Week 52
Participants will be assessed for the progression to PDR or ASNV.
Up to Approximately Week 52
Phase 3 (key secondary): Percentage of Participants Who Experience Progression to Proliferative Diabetic Retinopathy (PDR) or Anterior Segment Neovascularization (ASNV) in the Study Eye
Tidsramme: Up to Approximately Week104
Participants will be assessed for the progression to PDR or ASNV.
Up to Approximately Week104
Phase 3 (key secondary): Percentage of Participants Who Develop Center Involved-Diabetic Macular Edema (CI-DME) in the Study Eye
Tidsramme: Up to Approximately Week 52
Participants will be assessed for the development of CI-DME.
Up to Approximately Week 52
Phase 3 (key secondary): Percentage of Participants Who Develop Center Involved-Diabetic Macular Edema (CI-DME) in the Study Eye
Tidsramme: Up to Approximately Week 104
Participants will be assessed for the development of CI-DME.
Up to Approximately Week 104
Phase 3 (key secondary):Percentage of Participants Achieving >= 2-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 3: Percentage of Participants Achieving >= 2-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 3: Percentage of Participants With No change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 3: Percentage of Participants With Change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 3: Percentage of Participants Achieving >= 2-Step or >= 3-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye.
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 3: Percentage of Participants Achieving >= 2-Step or >= 3-Step Improvement from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye.
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 3: Percentage of Participants Achieving >= 3-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 52
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 52
Phase 3: Percentage of Participants Achieving >= 3-Step Worsening from Baseline in Diabetic Retinopathy Severity Scale (DRSS) in the Study Eye
Tidsramme: At Week 104
The DRSS is a scale the measures the severity of DR with a higher score indicating greater severity.
At Week 104
Phase 3: Percentage of Participants Who Receive Treatments for Diabetic Retinopathy (DR) Complications in the Study Eye
Tidsramme: Up to approximately Week 52
Percentage of participants who receive treatments for DR complications in the study eye.
Up to approximately Week 52
Phase 3: Percentage of Participants Who Receive Treatments for Diabetic Retinopathy (DR) Complications in the Study Eye
Tidsramme: Up to approximately Week 104
Percentage of participants who receive treatments for DR complications in the study eye.
Up to approximately Week 104
Bilateral Portion: Percentage of Participants Experiencing Nonocular Adverse Events (AE)s
Tidsramme: Up to Approximately Week 104
An AE is defined as any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product which does not necessarily have a causal relationship with this treatment.
Up to Approximately Week 104
Bilateral Portion: Percentage of Participants Experiencing Nonocular Serious Adverse Events (SAE)s
Tidsramme: Up to Approximately Week 104
An SAE is defined as any AE, whether or not associated with study treatment that meets any of the following criteria: death of a participant, hospitalization or prolonged hospitalization, congenital anomaly, persistent or significant disability/incapacity, and important medical event requiring medical or surgical intervention to prevent serious outcome.
Up to Approximately Week 104
Bilateral Portion: Percentage of Participants With Vector Shedding in Urine
Tidsramme: Up to Approximately Week 12
Vector shedding in urine is defined as measurement of vector Deoxyribonucleic Acid (DNA) concentrations in urine.
Up to Approximately Week 12
Bilateral Portion: Percentage of Participants With Vector Shedding in Tears
Tidsramme: Up to Approximately Week 12
Vector shedding in tears is defined as measurement of vector DNA concentrations in tears.
Up to Approximately Week 12
Bilateral Portion: Percentage of Participants With Vector DNA Concentrations in Serum
Tidsramme: Up to Approximately Week 104
Vector shedding in urine is defined as measurement of vector DNA concentrations in serum.
Up to Approximately Week 104
Bilateral Portion: Percentage of Participants With Change from Baseline in Diabetic Retinopathy Severity Scale (DRSS) Level
Tidsramme: Up to Approximately Week 104
Change from baseline in DRSS level is defined as 0-step (no change), a ≥ 1-step, a ≥ 2-step, or a ≥ 3-step change.
Up to Approximately Week 104
Bilateral Portion: Maintenance of Visual Acuity From Baseline
Tidsramme: Up to Approximately Week 104
Maintenance of visual acuity is defined as not losing 15 or more Early Treatment Diabetic Retinopathy Study (ETDRS) letters from baseline.
Up to Approximately Week 104
Bilateral portion: Change from baseline in serum anti-sura-vec Transgene product (TP) antibodies
Tidsramme: Up to Approximately Week 104
Change from baseline in serum anti-sura-vec antibodies
Up to Approximately Week 104
Bilateral Portion: Change from Baseline in Central Retinal Thickness (CRT) on Spectral Domain-Optical Coherence Tomography (SD-OCT)
Tidsramme: Up to Approximately Week 104
Change from baseline in CRT on SD-OCT.
Up to Approximately Week 104
Bilateral Portion: Change from Baseline in Aqueous Humor Surabgene Lomparvovec (Sura-vec) Transgene product (TP) Concentration
Tidsramme: Up to Approximately Week 104
Change from baseline in aqueous humor sura-vec TP concentration.
Up to Approximately Week 104
Bilateral Portion: Change from Baseline in Serum Sura-vec Transgene product (TP) concentration
Tidsramme: Up to Approximately Week 104
Change from baseline in serum sura-vec TP concentration.
Up to Approximately Week 104
Bilateral Portion: Change from Baseline in Anti- Associated Virus Serotype 8 (AAV8) Transgene product (TP) antibodies
Tidsramme: Up to Approximately Week 104
Change from baseline in serum anti-AAV8 TP antibodies.
Up to Approximately Week 104
Bilateral Portion: Percentage of Participants who develop a Vision-Threatening Event (VTE) due to Diabetic Retinopathy (DR)
Tidsramme: Up to Approximately Week 104
Participants will be assessed for the development of VTEs
Up to Approximately Week 104
Bilateral Portion: Change from Baseline in Enzyme-linked ImmunoSpot (ELISpot to capsid or transgene)
Tidsramme: Up to Approximately Week 104
Change from baseline in ELISpot comparing (whole blood) to capsid or transgene.
Up to Approximately Week 104

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

AbbVie

Etterforskere

  • Studieleder: ABBVIE INC., AbbVie

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Hjelpsomme linker

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. juni 2026

Primær fullføring (Antatt)

1. juni 2028

Studiet fullført (Antatt)

1. januar 2036

Datoer for studieregistrering

Først innsendt

24. april 2026

Først innsendt som oppfylte QC-kriteriene

11. mai 2026

Først lagt ut (Faktiske)

18. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

17. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

15. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • M23-415

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

AbbVie is committed to responsible clinical trial data sharing. This includes access to anonymized, individual and trial-level data (analysis data sets), as well as other information.

IPD-delingstidsramme

For details on when studies are available for sharing, visit https://vivli.org/ourmember/abbvie/

Tilgangskriterier for IPD-deling

To learn more about the process, or to submit a request, visit the following link https://www.abbvieclinicaltrials.com/hcp/data-sharing/

IPD-deling Støtteinformasjonstype

  • STUDY_PROTOCOL
  • SEVJE

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

produkt produsert i og eksportert fra USA

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

Abonnere