跳至主要内容
临床试验/2024-515553-17-00
2024-515553-17-00进行中(未招募)1/2 期

Safety and efficacy of a bilateral single subretinal injection of rAAV.hCNGA3 in adult and minor patients with CNGA3-linked achromatopsia investigated in a randomized, wait list controlled, observer-masked trial (Colour Bridge)

Universitaetsklinikum Tuebingen AöR1 个研究点 分布在 1 个国家目标入组 14 人开始时间: 2024年7月16日最近更新:
相关药物

试验速览

阶段
1/2 期
状态
进行中(未招募)
发起方
入组人数
14
试验地点
1
主要终点
Contrast sensitivity (Pelli Robson 3 m) 6 months after treatment

研究概览

简要总结

To proof the safety and efficacy of rAAV.hCNGA3 in patients with achromatopsia if applied bilaterally in adults and minors.

研究设计

研究类型
Interventional clinical trial of medicinal product

入排标准

年龄范围
0 years 至 65+ years(18-64 Years, 0-17 Years, 65+ Years)
接受健康志愿者

入选标准

  • clinical diagnosis of achromatopsia
  • Female patients of childbearing potential must agree to use an effective method ofbirth control during the first 6 months post treatment.
  • negative pregnancy test in women with childbearing potential (a woman who istwo years post-menopausal or surgically sterile is not considered to be ofchildbearing potential)
  • 6-12 years of age
  • ≥ 18 years of age
  • bi-allelic pathogenic or likely pathogenic mutation in CNGA3
  • BCVA ≥ 20/400
  • a minimal outer nuclear layer thickness of 10μm at 3° eccentricity (normal =38±6μm)
  • ability to understand and willingness to consent to study protocol
  • no infection with Human Immundeficiency Virus (HIV)
  • Male patients must agree to use condoms during the first 6 months post treatment.

排除标准

  • any other retinopathy due to other diseases e.g. (but not limited to) arterialhypertension, trauma or acquired inflammatory diseases (uveitis serology) ,retinopathy of the premature
  • causal mutations in other genes for hereditary retinal diseases
  • contraindications in view of the planned surgery (e.g. anaemia Hb<8g/dl, severecoagulopathy, severe blood pressure fluctuations) including intolerance andcontraindications to general anaesthesia
  • ocular opacity and mature cataract
  • ocular infection with herpes simplex virus in medical history
  • history of ocular malignancies
  • disorders of the inner retina (e.g. retinal vascular occlusions in the patients history)
  • glaucoma defined as damage of the optic nerve
  • history of poorly controlled (HbA1c > 7%) Diabetes Mellitus type 1 or type 2
  • patients treated with systemic corticoids within 14 days prior inclusion
  • systemic illness or medically significant abnormal laboratory values >3 UNL in bloodanalysis including renal and hepatic functions at inclusion
  • systemic conditions (e.g. coronary heart disease, congenital/genetic conditions,autoimmune disorders) which may affect study participation or outcome measures
  • absence of vision on the contralateral eye
  • contraindication to pharmacological mydriasis (e.g. history of angle blockglaucoma)
  • current or recent participation in other study or administration of biologic agentwithin the last three months
  • recent (within the last 6 months) ocular surgery, intravitreal or subretinalimplantation of a medical device
  • known sensitivity to any compound used in the study
  • contraindications to systemic immunosuppression
  • subject/partner of childbearing potential unwilling to use adequate contraceptionfor six months after dosing
  • nursing or pregnant female subject
  • any other cause that, in the investigator‘s opinion, renders potential subjects notsuitable for the study

结局指标

主要结局

Contrast sensitivity (Pelli Robson 3 m) 6 months after treatment

Contrast sensitivity (Pelli Robson 3 m) 6 months after treatment

次要结局

  • FrACT (Freiburg Visual Acuity & Contrast Test)
  • Roth FM28 sat
  • Contrast sensitivity (Pelli Robson 3 m)
  • BCVA assessed using the ETDRS visual acuity protocol
  • VA-CAL (Visual acuity under different conditions of contrast and ambient light)
  • Patient reported outcomes (VFQ25/CVFQ, A3-PRO)
  • Electroretinography
  • Chromatic pupil campimetry (CPC) cone protocol – exploratory - functional

研究者

发起方
Universitaetsklinikum Tuebingen AöR
申办方类型
Hospital/Clinic/Other health care facility
责任方
Principal Investigator
主要研究者

Dr. med Tobias Peters

Scientific

Universitaetsklinikum Tuebingen AöR

研究点 (1)

Loading locations...

相似试验