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Eiger宣布在第二阶段给药的第一名患者在乙型肝炎病毒(HDV)   [复制链接]

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发表于 2016-10-20 11:23 |只看该作者 |倒序浏览 |打印

Eiger Announces First Patient Dosed in Phase 2 Study of Pegylated Interferon Lambda in Hepatitis D Virus (HDV) Infection

- LIMT HDV: Lambda Interferon MonoTherapy in HDV Study
Eiger BioPharmaceuticals (PRNewsFoto/Eiger BioPharmaceuticals, Inc.)

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Oct 19, 2016, 08:00 ET


PALO ALTO, Calif., Oct. 19, 2016 /PRNewswire/ -- Eiger BioPharmaceuticals, Inc. (Nasdaq: EIGR), focused on the development and commercialization of targeted therapies for rare diseases, announced today that the first patient was dosed in the Phase 2 LIMT HDV (Lambda Interferon MonoTherapy in HDV) study, a monotherapy trial of pegylated interferon lambda 1a ("Lambda") as a potential treatment for chronic hepatitis D virus (HDV) infection.  LIMT HDV is a 30-patient study designed to evaluate the safety, tolerability and efficacy of two dose levels of Lambda after 48 weeks of treatment.  LIMT HDV is an international study currently enrolling at University of Auckland in New Zealand with additional sites planned in Israel and Pakistan.

"We are excited to begin dosing HDV-infected patients with Lambda in the LIMT HDV study," said Eduardo Martins, MD, DPhil, Senior Vice President of Liver and Infectious Diseases Drug Development at Eiger.  "We plan to explore Lambda alone and in combination with lonafarnib, our lead compound in Phase 2 development to treat HDV.  Eiger now has multiple active anti-HDV agents in development, including an oral therapy and a subcutaneous injectable therapy to study alone and in combination toward the suppression or cure of HDV."

"Over recent years, patients with chronic hepatitis B and hepatitis C have benefited from huge advances in antiviral therapy for both diseases.  Unfortunately HDV remains a huge unmet medical need because of the lack of any effective therapy for this most aggressive form of viral hepatitis.  In many countries, HDV presents a real public health challenge," said Edward Gane, MD, Principal Investigator and Professor of Medicine at University of Auckland, New Zealand, and Chief Hepatologist, Transplant Physician and Deputy Director of the New Zealand Liver Transplant Unit, Auckland City Hospital.  "We are delighted to have enrolled the first patient in LIMT HDV, a study that may lay the groundwork for development of Lambda in HDV infection."

About the LIMT HDV Phase 2 Study
LIMT HDV is a 1:1 randomized, open-label study of Lambda 120 or 180 microgram subcutaneous injections administered weekly for 48 weeks in approximately 30 patients with chronic HDV.  End of treatment will be followed by a treatment-free 24-week observation period.  The primary objective of the phase 2 study is to evaluate the safety, tolerability, and efficacy of treatment with two dose levels of Lambda monotherapy in patients with chronic HDV infection.  All patients will also be administered an anti-hepatitis B virus nucleos(t)ide analog throughout the study.  The trial will be conducted at the University of Auckland in New Zealand with additional clinical trial sites planned in Israel and Pakistan.

About Pegylated Interferon Lambda 1a
Pegylated interferon lambda 1a ("Lambda") is a well-characterized, late-stage, first in class, type III interferon (IFN) that stimulates immune responses that are critical for the development of host protection during viral infections.  Lambda targets type III IFN receptors which are distinct from the type I IFN receptors targeted by IFN alfa.  These type III receptors are highly expressed on hepatocytes with limited expression on hematopoietic and central nervous system cells, which may reduce the off-target effects associated with other IFNs and improve the tolerability of Lambda.  Although Lambda does not use the IFN alfa receptor, signaling through either the IFN lambda or IFN alfa receptor complexes results in the activation of the same Jak-STAT signal transduction cascade.

Eiger licensed worldwide rights to Lambda from Bristol-Myers Squibb in April 2016.  Lambda has been administered in clinical trials involving over 3,000 subjects.  Lambda has not been approved for any indication.  

About Hepatitis Delta Virus (HDV)
Hepatitis Delta (or Hepatitis D) is caused by infection with HDV and is considered to be one of the most severe forms of viral hepatitis in humans.  Hepatitis delta occurs only as a co-infection in individuals harboring Hepatitis B Virus (HBV).  Hepatitis delta leads to more severe liver disease than HBV alone and is associated with accelerated liver fibrosis, liver cancer, and liver failure. Hepatitis delta is a disease with a significant impact on global health, which may affect up to approximately 15-20 million people worldwide.  The prevalence of HDV varies among different parts of the world.  Globally, HDV infection is reported to be present in approximately 4.3% to 5.7% of chronic Hepatitis B carriers.  The prevalence of HDV in patients infected with chronic HBV is even higher in certain regions, including certain parts of Mongolia, China, Russia, Central Asia, Pakistan, Turkey, Africa, and South America, with an HDV prevalence as high as 60% being reported in HBV-infected patients in Mongolia and Pakistan.

About Eiger
Eiger is a clinical-stage biopharmaceutical company committed to bringing to market novel products for the treatment of rare diseases.  The company has built a diverse portfolio of well-characterized product candidates with the potential to address diseases for which the unmet medical need is high, the biology for treatment is clear, and for which an effective therapy is urgently needed.

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发表于 2016-10-20 11:23 |只看该作者
Eiger宣布在第二阶段给药的第一名患者在乙型肝炎病毒(HDV)感染中聚乙二醇化干扰素λ的研究

- LIMT HDV:Lambda干扰素单一治疗在HDV研究
Eiger BioPharmaceuticals(PRNewsFoto / Eiger BioPharmaceuticals,Inc.)

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2016年10月19日,08:00

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帕罗阿尔托,加利福尼亚州,2016年10月19日/美通社/ - Eiger BioPharmaceuticals,Inc.(纳斯达克股票代码:EIGR),专注于罕见疾病的靶向治疗的开发和商业化,今天宣布第一个患者在Phase 2 LIMT HDV(Lambda Interferon MonoTherapy in HDV)研究,聚乙二醇干扰素λ1a(“Lambda”)的单一疗法试验作为慢性D型肝炎病毒(HDV)感染的潜在治疗。 LIMT HDV是一项30名患者的研究,旨在评估48周治疗后两种剂量水平的Lambda的安全性,耐受性和疗效。 LIMT HDV是一项国际性研究,目前在新西兰奥克兰大学招收,计划在以色列和巴基斯坦开设额外的网站。

“我们很高兴在LIMT HDV研究中开始给予HDL感染的Lambda患者,”Eiger的肝脏和传染病药物开发高级副总裁DPhil Eduardo Martins说。 “我们计划单独探索Lambda,并与lonafarnib联合使用,这是我们在II期开发中用于治疗HDV的主要化合物.Eiger现在有多种有效的抗HDV药物开发,包括口服治疗和皮下注射治疗,抑制或治愈HDV的组合“。

“近年来,慢性乙型肝炎和丙型肝炎患者受益于这两种疾病的抗病毒治疗的巨大进步。不幸的是,HDV仍然是一个巨大的未满足的医疗需要,因为缺乏对这种最具侵略性形式的病毒性肝炎的任何有效的治疗。在许多国家,HDV呈现出真正的公共卫生挑战,“新西兰奥克兰大学首席研究员和医学教授Edward Gane说,新西兰肝移植单位移植医师和副主任Hepatologist,奥克兰市医院。 “我们很高兴参加了LIMT HDV的第一个病人,这项研究可能为Lambda在HDV感染中的发展奠定了基础。

关于LIMT HDV Phase 2研究
LIMT HDV是一项1:1的随机,开放标签研究,Lambda 120或180微克皮下注射,每周给予约30名慢性HDV患者48周。治疗结束后将进行无治疗的24周观察期。第二阶段研究的主要目的是评估用两种剂量水平的Lambda单药治疗慢性HDV感染患者的安全性,耐受性和疗效。在整个研究中,所有患者还将施用抗乙型肝炎病毒核(t)ide类似物。试验将在新西兰奥克兰大学进行,计划在以色列和巴基斯坦设立额外的临床试验点。

关于聚乙二醇化干扰素Lambda 1a
聚乙二醇化干扰素λ1a(“λ”)是一种良好表征的晚期,第一类,III型干扰素(IFN),其刺激对病毒感染期间宿主保护的发展至关重要的免疫应答。 λ靶向与IFNα靶向的I型IFN受体不同的III型IFN受体。这些III型受体在肝细胞上高度表达,在造血细胞和中枢神经系统细胞上表达有限,这可以减少与其它IFN相关的脱靶效应并提高Lambda的耐受性。尽管λ不使用IFNα受体,但通过IFNλ或IFNα受体复合物的信号传导导致相同的Jak-STAT信号转导级联的活化。

Eiger在2016年4月授予Bristol-Myers Squibb的Lambda全球权利。Lambda已在涉及超过3,000个受试者的临床试验中被管理。 Lambda尚未被批准用于任何适应症。

关于丙型肝炎病毒(HDV)
甲型肝炎(或戊型肝炎)是由HDV感染引起的,被认为是人类最严重的病毒性肝炎之一。甲型肝炎仅发生在携带乙型肝炎病毒(HBV)的个体中作为共感染。丁型肝炎导致比单独的HBV更严重的肝病,并且与加速的肝纤维化,肝癌和肝衰竭有关。丁型肝炎是一种对全球健康有重大影响的疾病,可能影响全世界约1500万至2000万人。 HDV的患病率在世界不同地区不同。在全球,据报道HDV感染存在于约4.3%至5.7%的慢性乙型肝炎携带者中。在包括蒙古,中国,俄罗斯,中亚,巴基斯坦,土耳其,非洲和南美洲的某些地区的HDV患病率高达60%的某些地区,HDV在患有慢性HBV的患者中的患病率甚至更高报道在蒙古和巴基斯坦的HBV感染患者。

关于Eiger
艾格尔是一家临床阶段的生物制药公司,致力于推出用于治疗罕见疾病的新产品。该公司已经建立了一个多样化的产品组合,具有良好表征的产品候选人,有潜力解决疾病,未满足的医疗需求高,治疗的生物学是明确的,并且迫切需要有效的治疗。
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