A Phase 2 in Adult Subjects With Hereditary Angioedema

NCT ID: NCT06846398

Last Updated: 2025-08-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-02-28

Study Completion Date

2028-03-30

Brief Summary

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A Phase 2 in Adult Subjects with Hereditary Angioedema

Detailed Description

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A Phase 2, Open-label, Multicenter Study to Assess the Efficacy and Safety of BW-20805 in Adult Subjects with Hereditary Angioedema

Conditions

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Hereditary Angioedema (HAE)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Cohort 1

BW-20805 600 mg Q24W\*2

Group Type EXPERIMENTAL

BW-20805

Intervention Type DRUG

SC administrations of BW-20805 600 mg on Day1 to Day673

Cohort 2

BW-20805 300 mg Q24W\*2

Group Type EXPERIMENTAL

BW-20805

Intervention Type DRUG

SC administrations of BW-20805 300 mg every 24 weeks on Day1 to Day169;Day337 to Day673

Cohort 3

BW-20805 300 mg Q12W\*2

Group Type EXPERIMENTAL

BW-20805

Intervention Type DRUG

SC administrations of BW-20805 300 mg every 12 weeks on Day 1 to Day 589

Interventions

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BW-20805

SC administrations of BW-20805 600 mg on Day1 to Day673

Intervention Type DRUG

BW-20805

SC administrations of BW-20805 300 mg every 24 weeks on Day1 to Day169;Day337 to Day673

Intervention Type DRUG

BW-20805

SC administrations of BW-20805 300 mg every 12 weeks on Day 1 to Day 589

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Must have given written informed consent and be able to comply with all study requirements.
* Males or females 18 to 70 years of age at the time of informed consent.
* Documented diagnosis of HAE-1/HAE-2.
* At least 2 HAE attacks within the 8-week run-in period, as confirmed by an investigator based on the protocol-specified definition
* Access to and ability to use ≥ 1 acute medication(s)
* Female subjects must be non-pregnant;non-lactating, and either surgically sterile
* Male subjects with WOCBP partners, dual contraception is required if no surgically sterile

Exclusion Criteria

* Any clinically significant medical or psychiatric condition or medical history that, in the opinion of the Investigator, makes the subject unsuitable for participation in the study
* Any concomitant diagnosis of another form of chronic angioedema, such as acquired angioedema, HAE with normal C1-INH, idiopathic angioedema, or recurrent angioedema associated with urticaria
* History or presence of carcinoma within 5 years prior to screening, except for basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix that has been successfully treated.
* Have undergone major surgery within 3 months prior to screening.
* History of clinically significant arterial or venous thrombosis, or current clinically significant prothrombotic or bleeding risk
* History of allergic reaction to an oligonucleotide or N-acetylgalactosamine
* Prior treatment with any oligonucleotides within 6 months if single dose or 12 months if multiple doses prior to screening.
* Exposure to another investigational drug or biological agent within 30 days or within at least 5 half-lives prior to screening.
* With ANY of the abnormalities in clinical laboratory tests at screening and run-in period
* Clinically significant findings on 12-lead electrocardiogram that would place the patient at risk or interfere with participation in the study at screening.
* Positive for Human immunodeficiency virus (HIV), HBsAg, Hepatitis C or syphilis infection
* Active infection requiring systemic antiviral or antimicrobial therapy that will not be completed prior to dosing.
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Shanghai Argo Biopharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Markus Magerl, Doctor

Role: PRINCIPAL_INVESTIGATOR

Charite-Universitaetsmedizin Berlin - Klinik fuer Dermatologie Venerologie und Allergologie

Locations

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Institute for Asthma and Allergy - Wheaton

Silver Spring, Maryland, United States

Site Status RECRUITING

Washington University School of Medicine

St Louis, Missouri, United States

Site Status RECRUITING

Duke University Medicine Center

Durham, North Carolina, United States

Site Status RECRUITING

Penn State Milton S. Hershey MC - Penn State

Hershey, Pennsylvania, United States

Site Status RECRUITING

Inova Clinical Trials and Research Center

Falls Church, Virginia, United States

Site Status RECRUITING

Peking Union Medical College Hospital

Beijing, Beijing Municipality, China

Site Status RECRUITING

The First Hospital of Lanzhou University

Lanzhou, Gansu, China

Site Status RECRUITING

Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology

Wuhan, Hubei, China

Site Status NOT_YET_RECRUITING

Yantai Yuhuangding Hospital

Yantai, Shandong, China

Site Status RECRUITING

West China Hospital, Sichuan University

Chengdu, Sichaun, China

Site Status RECRUITING

First Affiliated Hospital of Kunming Medical University

Kunming, Yunnan, China

Site Status RECRUITING

Universitätsmedizin der Johannes Gutenberg

Mainz, Rhineland-Palatinate, Germany

Site Status RECRUITING

Charité - Universitätsmedizin Berlin

Berlin, State of Berlin, Germany

Site Status RECRUITING

Azienda Ospedaliero Universitaria Policlinico G. Rodolico San Marco - Ospedale San Marco

Catania, Catania, Italy

Site Status RECRUITING

Azienda Ospedaliero-Universitaria Careggi

Florence, Florence, Italy

Site Status RECRUITING

Azienda Ospedale - Universita di Padova

Padua, PD, Italy

Site Status NOT_YET_RECRUITING

SP ZOZ Szpital Uniwersytecki w Krakowie

Krakow, Lesser Poland Voivodeship, Poland

Site Status NOT_YET_RECRUITING

Hospital Universitario Virgen del Rocío

Seville, Sevilla, Spain

Site Status RECRUITING

Countries

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United States China Germany Italy Poland Spain

Central Contacts

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Ying N/A Zhang, Master

Role: CONTACT

+8618806137286

Facility Contacts

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Huamin Henry Li

Role: primary

H. Wedner

Role: primary

Patricia Luger

Role: primary

Timothy Craig

Role: primary

Rabahuddin Syed

Role: primary

Yuxiang Zhi

Role: primary

Chunrui Shi

Role: primary

Rongfei Zhu

Role: primary

YueMei Sun

Role: primary

Juan Meng

Role: primary

Yongmei Yu

Role: primary

Petra Staubach-Renz

Role: primary

Markus Magerl

Role: primary

Francesco Giardino

Role: primary

Alessandra Vultaggio

Role: primary

Riccardo Senter

Role: primary

Marcin Stobiecki

Role: primary

Stefan Cimbollek

Role: primary

Other Identifiers

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BW-20805-2001

Identifier Type: -

Identifier Source: org_study_id

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