ZVS101e in Patients With Bietti's Crystalline Dystrophy (ZVS101e-BCD)
Clinical Translation and Application Protocol for ZVS101e in the Gene Therapy of Bietti Crystalline Corneoretinal Dystrophy
The goal of this clinical trial is to evaluate the safety and early effectiveness of ZVS101e in patients with Bietti crystalline dystrophy who meet the eligibility criteria for treatment under the translational application program in the Hainan Boao Lecheng International Medical Tourism Pilot Zone.
Participants will:
undergo screening and baseline assessments to confirm eligibility; receive a single subretinal injection of ZVS101e in the study eye; complete follow-up visits over 4 weeks after treatment for safety monitoring and assessment of early effectiveness.
Studieoversikt
Status
Status
Forhold
Forhold
Intervensjon / Behandling
Intervensjon / Behandling
Studietype
Studietype
Registrering (Antatt)
Registrering
Fase
Fase
- Ikke aktuelt
Kontakter og plasseringer
Studiekontakt
Studiekontakt
- Navn: Jinlu Zhang, MD
- Telefonnummer: +86-15810570898
- E-post: zhangjinlu@chinagene.cc
Studer Kontakt Backup
- Navn: Tingting Wu, BS
- Telefonnummer: +86-18500191916
- E-post: wutingting@chinagene.cc
Studiesteder
-
-
Hainan
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Qionghai, Hainan, Kina
- Boao Super Hospital
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Qionghai, Hainan, Kina
- Hainan Boao Ophthalmology Center, Zhongshan Ophthalmic Center, Sun Yat-sen University
-
-
Deltakelseskriterier
Kvalifikasjonskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Voksen
- Eldre voksen
Tar imot friske frivillige
Beskrivelse
Inclusion Criteria:
- Voluntarily participate in the research and sign the informed consent form, and be willing to complete the entire process according to the protocol requirements;
- Clinically diagnosed with Bietti's Crystalline Dystrophy (BCD), age ≥ 18 years;
- Confirmed by genetic testing to carry homozygous or compound heterozygous mutations in CYP4V2, and not complicated with other ophthalmic genetic diseases;
- Target eye BCVA ≤ 60 ETDRS letters.
Exclusion Criteria:
Subjects will be excluded if they meet any 1 of the following exclusion criteria:
- The target eye currently has or has a history of macular lesions; suffers from ocular diseases that may hinder surgery or interfere with the interpretation of study endpoints;
- The target eye has previously undergone retinal reattachment surgery, vitrectomy, or any intraocular surgery within 3 months before enrollment;
- Within 1 month before enrollment, suffered from viral infectious diseases that may affect the evaluation of the efficacy and safety of the investigational drug, or received antiviral vaccines;
- The target eye has previously received gene therapy or stem cell therapy for BCD or other ocular diseases;
- Known allergy to the drugs planned for use in the study;
- The laboratory abnormalities are considered clinically significant;
- Pregnant or lactating females.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: N/A
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Antall våpen
Våpen og intervensjoner
Deltakergruppe / ArmDeltakergruppe / Arm |
Intervensjon / BehandlingIntervensjon / Behandling |
|---|---|
|
Eksperimentell: ZVS101e Treatment Arm
|
ZVS101e injection contains a recombinant adeno-associated virus serotype 8 (rAAV8) vector that expresses human CYP4V2 protein.
|
Hva måler studien?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Change from baseline in Best corrected visual acuity (BCVA)
Tidsramme: From enrollment to the end of treatment at 52 weeks
|
From enrollment to the end of treatment at 52 weeks
|
|
The incidence and severity of adverse events and serious adverse events
Tidsramme: From enrollment to the end of treatment at 52 weeks
|
From enrollment to the end of treatment at 52 weeks
|
Samarbeidspartnere og etterforskere
Sponsor
Sponsor
Publikasjoner og nyttige lenker
Generelle publikasjoner
- Jia R, Meng X, Chen S, Zhang F, Du J, Liu X, Yang L. AAV-mediated gene-replacement therapy restores viability of BCD patient iPSC derived RPE cells and vision of Cyp4v3 knockout mice. Hum Mol Genet. 2023 Jan 1;32(1):122-138. doi: 10.1093/hmg/ddac181.
- Wang J, Zhang J, Yu S, Li H, Chen S, Luo J, Wang H, Guan Y, Zhang H, Yin S, Wang H, Li H, Liu J, Zhu J, Yang Q, Sha Y, Zhang C, Yang Y, Yang X, Zhang X, Zhao X, Wang L, Yang L, Wei W. Gene replacement therapy in Bietti crystalline corneoretinal dystrophy: an open-label, single-arm, exploratory trial. Signal Transduct Target Ther. 2024 Apr 24;9(1):95. doi: 10.1038/s41392-024-01806-3.
- Jia R, Chen S, Li W, Zhang J, Qu B, Qiao J, Meng X, Yu S, Liu X, Xu B, Chen T, Shen X, Sun W, Dou H, Mahajan VB, Zhang Q, Yang L. Unravelling CYP4V2: Clinical features, genetic insights, pathogenic mechanisms and therapeutic strategies in Bietti crystalline corneoretinal dystrophy. Prog Retin Eye Res. 2025 Jul;107:101377. doi: 10.1016/j.preteyeres.2025.101377. Epub 2025 Jun 5.
- Yang L, Xing D, Zhang J, Liu B, Jiang X, Chen S, Li W, Qu B, Qiao J, Feng X, Jia H, Hu X, Yu S, Jia R, Wang L, Mahajan VB, Dou H, Lu F, Li X. Gene therapy for Bietti crystalline corneoretinal dystrophy: A phase 1/2 clinical trial. Mol Ther. 2026 Mar 4;34(3):1743-1755. doi: 10.1016/j.ymthe.2026.01.005. Epub 2026 Jan 10.
Studierekorddatoer
Studer hoveddatoer
Studiestart (Antatt)
Studiestart
Primær fullføring (Antatt)
Primær fullføring
Studiet fullført (Antatt)
Studiet fullført
Datoer for studieregistrering
Først innsendt
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Først lagt ut
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Sist oppdatering lagt ut
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
Andre studie-ID-numre
- ZYA-2025-003
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
Legemiddel- og utstyrsinformasjon, studiedokumenter
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