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临床试验/NCT04176653
NCT04176653撤回1 期

Phase 1b Single Ascending and Multiple Dose First-in-man Study in Adult Patients With Non-transfusion-dependent Beta-thalassaemia or Low Risk Myelodysplastic Syndrome to Investigate the Safety, Tolerability, Pharmacokinetic and Pharmacodynamic Response of SLN124

Silence Therapeutics plc5 个研究点 分布在 2 个国家开始时间: 2019年8月20日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
1 期
状态
撤回
试验地点
5
主要终点
clinical chemistry, haematology, urinalysis, liver function tests (included ALT, AST, GGT) will be measured from baseline to post dose follow up

研究概览

简要总结

The primary purpose of this study is to determine the safety and tolerability of SLN124 for the treatment of non-transfusion-dependent (NTD) β-thalassaemia and low risk myelodysplastic syndrome.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Double (Participant, Investigator)

入排标准

年龄范围
18 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Age ≥ 18yrs; BMI 18-35 kg/m2
  • β-thalassaemia intermedia or compound heterozygous HbE/β-thalassaemia
  • Non-transfusion dependent: ≤ 5 units red cells in last 6 months and transfusion-free for ≥8 weeks
  • Hb between 5 & 11 g/dL
  • Ferritin > 250 µg/L and /or liver iron ≥ 3mg Fe/g dry weight and TSAT >40%

排除标准

  • Haemoglobin S/β-thalassaemia, homozygous β-0 thalassaemia or α thalassaemia
  • ALT/AST > 1.5 x upper limit normal or cirrhosis
  • eGFR < 60 mL/min/1.73m2
  • Platelets <100 or > 1000 x 109/L
  • Untreated B12/folate deficiency
  • Iron chelation therapy unless stable for ≥8 weeks
  • Daily NSAID, therapeutic dose anticoagulant, ESA ≤12 weeks or stable dosing of hydroxyurea ≤ 6 months
  • Significant cardiac disease (MI in 6 months, NYHA class III-IV heart failure, long QT)
  • HIV or active hepatitis B/C or malignancy within 5 year

研究组 & 干预措施

Placebo

Placebo Comparator

干预措施: SLN124 is a GalNAc conjugated double stranded fully modified siRNA. Sodium chloride 0.9% w/v is used as Placebo (Drug)

0.3 mg/kg

Experimental

干预措施: SLN124 is a GalNAc conjugated double stranded fully modified siRNA. Sodium chloride 0.9% w/v is used as Placebo (Drug)

1.0 mg/kg

Experimental

干预措施: SLN124 is a GalNAc conjugated double stranded fully modified siRNA. Sodium chloride 0.9% w/v is used as Placebo (Drug)

3.0 mg/kg

Experimental

干预措施: SLN124 is a GalNAc conjugated double stranded fully modified siRNA. Sodium chloride 0.9% w/v is used as Placebo (Drug)

10.0 mg/kg

Experimental

干预措施: SLN124 is a GalNAc conjugated double stranded fully modified siRNA. Sodium chloride 0.9% w/v is used as Placebo (Drug)

结局指标

主要结局

clinical chemistry, haematology, urinalysis, liver function tests (included ALT, AST, GGT) will be measured from baseline to post dose follow up

时间窗: Up to two months

# of participants with all AEs as assessed by CTCAE V4.0 included injection site reaction, will be measured from baseline to post dose follow up

时间窗: Up to two months

12 lead electrocardiogram parameters included PR, QTcF and QTcB will be measured from baseline to post dose follow up

时间窗: Up to two months

height, weight, blood pressure, heart rate, respiration rate and temperature will be measured from baseline to post dose follow up

时间窗: Up to two months

次要结局

  • Biomarkers will be measured from baseline to post dose follow up(Up to two months)
  • Pharmacokinetic of SLN124 in plasma from baseline to post dose follow up(Up to two months)

研究者

申办方类型
Industry
责任方
Sponsor

研究点 (5)

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