- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00125541
C1-Esteraseremmer-N for the Treatment of Hereditary (and Acquired) Angioedema
Pharmacokinetics, Clinical Efficacy and Safety of C1 Inhibitor Concentrate (C1-Esteraseremmer-N) for the Treatment of Hereditary (and Acquired) Angioedema
A multicentre study to investigate the pharmacokinetics, clinical efficacy and safety of nanofiltered Cetor® (called C1-esteraseremmer-N during the development phase) for the treatment of hereditary angioedema (HAE) will be performed. This study (KB2003.01) consists of three parts: Part A - pharmacokinetics (phase II); Part B - treatment of attacks of angioedema (phase III); and Part C - prophylactic use of C1 inhibitor (phase III). Parts B + C will provide data on the efficacy of C1-esteraseremmer-N.
The changes within the manufacturing process of C1-esteraseremmer-N, compared to Cetor® nanofiltration and omission of hepatitis B immunoglobulin, most likely will not affect tolerability. The nanofiltration will provide more safety regarding viruses.
In part C of the study, a number of HAE patients will be treated prophylactically with open-label C1-esteraseremmer-N for a period of 16 weeks. The number of attacks occurring will be compared with historical data. If possible, also some patients treated prophylactically with C1 inhibitor for acquired angioedema will be included.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A multicentre study to investigate the pharmacokinetics, clinical efficacy and safety of nanofiltered Cetor® (called C1-esteraseremmer-N during the development phase) for the treatment of hereditary angioedema (HAE) will be performed. This study (KB2003.01) consists of three parts: Part A - pharmacokinetics (phase II); Part B - treatment of attacks of angioedema (phase III); and Part C - prophylactic use of C1 inhibitor (phase III). Parts B + C will provide data on the efficacy of C1-esteraseremmer-N.
The changes within the manufacturing process of C1-esteraseremmer-N, compared to Cetor® nanofiltration and omission of hepatitis B immunoglobulin, most likely will not affect tolerability. The nanofiltration will provide more safety regarding viruses.
In part C of the study, a number of HAE patients will be treated prophylactically with open-label C1-esteraseremmer-N for a period of 16 weeks. The number of attacks occurring will be compared with historical data. If possible, also some patients treated prophylactically with C1 inhibitor for acquired angioedema will be included.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
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Amsterdam, Netherlands, 1100 DD
- Academic Medical Centre
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Inclusion criteria for hereditary angioedema patients:
- Established diagnosis of hereditary angioedema type I or II: markedly decreased C1 inhibitor activity; decreased (type I), normal or elevated (type II) level of C1 inhibitor antigen; decreased level of C4.
- Patients already using C1 inhibitor concentrate for prophylaxis of angioedema attacks.
- Age ≥ 16 years
- Signed informed consent by patient and patient's legal representative if under 18 years old
Inclusion criteria for acquired angioedema patients:
- Established diagnosis of acquired angioedema: recurrent attacks of angioedema without urticaria; no family history; decreased functional C1 inhibitor; decreased level of C4.
- Autoantibodies to C1 inhibitor or decreased C1q or onset after the third decade of life.
- Age ≥ 16 years
- Patient already using C1 inhibitor concentrate for prophylaxis of angioedema attacks
- Signed informed consent by patient and patient's legal representative if under 18 years old
Exclusion Criteria:
Exclusion criteria for hereditary angioedema patients:
- Use of angioedema prophylactic medication during the study, other than C1-esteraseremmer-N.
- Change in oral contraceptives starting from the last two months before the start of the trial until the end of the study period.
- Presence of clinically relevant C1 inhibitor auto antibodies
- Participation in another pharmaceutical clinical study, which can interfere with this study, in the last 3 months prior to the study, other than in part A of this protocol.
- Usage of heparin starting from the last two days prior to the study until the end of the study period.
- B-cell malignancy
- Pregnancy or lactation
- History of allergic reaction to C1 inhibitor concentrate or other blood products
Exclusion criteria for acquired angioedema patients:
- Participation in another pharmaceutical clinical study, which can interfere with this study, in the last 3 months prior to the study
- Usage of heparin within the last two days prior to the study
- Pregnancy or lactation
- History of allergic reaction to C1 inhibitor concentrate or other blood products
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The primary objective in this clinical study is to evaluate the prevention of angioedema attacks in patients prophylactically treated with C1-esteraseremmer-N.
Time Frame: 16 weeks
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16 weeks
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The secondary objective of this study is to evaluate the safety and clinical activity of C1-esteraseremmer-N.
Time Frame: 16 weeks
|
16 weeks
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: M. M. Levi, Prof. Dr., Academic Medical Centre Amsterdam
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Skin Diseases
- Immune System Diseases
- Hypersensitivity, Immediate
- Skin Diseases, Vascular
- Hypersensitivity
- Urticaria
- Angioedema
- Physiological Effects of Drugs
- Immunosuppressive Agents
- Immunologic Factors
- Complement Inactivating Agents
- Complement C1 Inhibitor Protein
Other Study ID Numbers
- KB2003.01C
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