跳至主要内容
临床试验/NCT07212426
NCT07212426进行中(未招募)2 期

A Phase II, Multicenter, Randomized, Open-Label Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of LP-005 Injection in Patients With Paroxysmal Nocturnal Hemoglobinuria.

Longbio Pharma1 个研究点 分布在 1 个国家目标入组 30 人开始时间: 2024年11月14日最近更新:
干预措施

试验速览

阶段
2 期
状态
进行中(未招募)
发起方
入组人数
30
试验地点
1
主要终点
Change from Baseline in serum lactate dehydrogenase (LDH) levels.

研究概览

简要总结

This is a multicenter, randomized, open-label, Phase II clinical study to evaluate the efficacy, safety, and pharmacokinetics of LP-005 injection in adult patients with paroxysmal nocturnal hemoglobinuria (PNH).

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
None

入排标准

年龄范围
18 Years 至 65 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Male or female, aged 18 to 65 years.
  • Diagnosis of PNH based on flow cytometry with clone size > 10% by granulocytes.
  • Presence of one or more PNH-related signs or symptoms within 3 months prior to screening or a history of transfusion due to PNH.
  • LDH level ≥2.0×upper limit of the normal range(ULN).
  • Hemoglobin level <100 g/L at screening.

排除标准

  • Active or suspected active viral, bacterial, fungal, or parasitic infection within 14 days prior to screening.
  • History of meningococcal infection.
  • History of splenectomy or congenital asplenia.
  • History of systemic autoimmune disease or known/suspected immunodeficiency.
  • History of hematopoietic stem cell transplantation.
  • Use of any complement inhibitor within 3 months prior to screening or within 5 drug half-lives (whichever is longer).
  • Pregnant or breastfeeding women, or women planning to become pregnant during the study or follow-up period.

研究组 & 干预措施

LP-005 900 mg

Experimental

Patients will receive intravenous infusion of LP-005 Injection at a dose of 900 mg once every 4 weeks.

干预措施: LP-005 Injection (Biological)

LP-005 1200 mg

Experimental

Patients will receive intravenous infusion of LP-005 Injection at a dose of 1200 mg once every 4 weeks.

干预措施: LP-005 Injection (Biological)

LP-005 1500 mg

Experimental

Patients will receive intravenous infusion of LP-005 Injection at a dose of 1500 mg once every 4 weeks.

干预措施: LP-005 Injection (Biological)

结局指标

主要结局

Change from Baseline in serum lactate dehydrogenase (LDH) levels.

时间窗: Baseline and at Week 12.

Proportion of participants with ≥2 g/dL increase in hemoglobin level from Baseline in the absence of transfusion.

时间窗: Baseline and at Week 24.

次要结局

  • Changes in serum complement hemolytic activity.(Observation from Predose on Day 1 through 337 days post-administration.)
  • Percentage of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs).(Baseline up to approximately 13 months.)
  • Serum concentrations of LP-005.(Observation from Predose on Day 1 through 337 days post-administration.)
  • Number of Participants with Treatment-emergent Anti-Drug Antibodies (ADA) and neutralizing antibodies (Nab) Response to LP-005.(Observation from Predose on Day 1 through 337 days post-administration.)
  • Proportion of participants with ≥2 g/dL increase in hemoglobin level from Baseline in the absence of transfusion.(Baseline and at Week 12 and 48)
  • Proportion of participants who are transfusion-free.(Baseline to Week 12, 24 and 48)
  • Change from Baseline in the number of red blood cell (RBC) transfusions.(Baseline to Week 24 and 48.)
  • Change from Baseline in hemoglobin levels.(Baseline, Week 12, 24 and 48)
  • Proportion of participants achieving hemoglobin levels ≥100 g/L in the absence of transfusion.(Baseline, Week 12, 24 and 48)
  • Proportion of participants with LDH levels normalized.(Baseline, Week 12, 24 and 48)
  • Change From Baseline in Fatigue as Measured by Functional Assessment of Chronic Illness Therapy - Fatigue (FACIT-F)(Baseline and at Week 12, 36, and 48.)

研究者

发起方
Longbio Pharma
申办方类型
Industry
责任方
Sponsor

研究点 (1)

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