Clinical trial • Phase IV • Rare Disease

GARADACIMAB for Hereditary angioedema (HAE) | HAE-C1INH (type 1 or type 2) | HAE-nC1INH

Phase IV trial of GARADACIMAB for Hereditary angioedema (HAE) | HAE-C1INH (type 1 or type 2) | HAE-nC1INH. open-label, none/not specified-controlled.

Overview

Trial Therapeutic Area
Rare Disease
Trial Disease
Hereditary angioedema (HAE) | HAE-C1INH (type 1 or type 2) | HAE-nC1INH
Trial Stage
Phase IV
Drug Modality
Monoclonal antibody
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
16-05-2025
First CTIS Authorization Date
15-08-2025

Trial design

open-label, none/not specified-controlled Phase IV trial across 2 sites in Germany.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
25

Eligibility

Recruits 25 paediatric patients.

Vulnerable Population
Vulnerable population selected. The trial includes adolescents (subjects aged ≥ 12 years). Inclusion criterion 1 states: "Aged ≥ 12 years at the time of providing written informed consent / assent." Age-appropriate consent/assent documents are provided (documents listed in CTIS include L1_SIS and ICF_Adolescent and L1_SIS and ICF_Parent-LAR), indicating parental/legally authorised representative consent and adolescent assent handling for minors.

Inclusion criteria

  • {"criterion_text":"- 1. Aged ≥ 12 years at the time of providing written informed consent / assent."}
  • {"criterion_text":"- 2. Have a history of response to on-demand HAE treatment for the treatment of acute HAE attacks."}
  • {"criterion_text":"- 3. Documented laboratory diagnosis in medical records of HAE-C1INH type 1 or type 2: o Documented clinical history consistent with HAE (subcutaneous or mucosal, nonpruritic swelling episodes without accompanying urticaria), o C1INH antigen concentration or functional activity < 50% of normal as documented in the subject’s medical record, or o C4-antigen concentration below the lower limit of the reference range as documented in the subject’s medical record, or o For HAE-nC1INH: documented clinical history consistent with HAE (subcutaneous or mucosal, nonpruritic swelling episodes without accompanying urticaria); an HAE-associated FXII gene mutation (eg, FXII point mutation Thr328Lys or Thr328Arg, or deletion of 72 base pairs [c.971_1018 + 24del72], or duplication of 18 base pairs [c.892-909dup]), as documented in the subject’s medical record, OR an HAE-associated plasminogen gene mutation (PLG) gene mutation (eg, PLG point mutation Lys330Glu), as documented in the subject’s medical record; C1INH antigen concentration or functional activity 70 to 120% of the normal level, as documented in the subject’s medical record."}
  • {"criterion_text":"- 4. Use of lanadelumab, berotralstat, or pdC1INH for the prophylactic treatment of HAE and be on a stable (consistent) dose / regimen of such medication for at least 3 months prior to Screening."}

Exclusion criteria

  • {"criterion_text":"- 1. Concomitant diagnosis of another form of angioedema, such as idiopathic or acquired angioedema or recurrent angioedema associated with urticaria."}
  • {"criterion_text":"- 2. Use of androgens, antifibrinolytics, or investigational products (other than garadacimab) for routine prophylaxis against HAE attacks."}
  • {"criterion_text":"- 3. Known or suspected hypersensitivity to monoclonal antibody therapy or hypersensitivity to the active substance (garadacimab) or to any of the excipients."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- 1. Number of Participants with Treatment Emergent Adverse Events (TEAEs)","definition_or_measurement_approach":"Count of participants experiencing treatment-emergent adverse events as recorded during study follow-up (safety reporting)."}
  • {"endpoint_text":"- 2. Percentage of Participants with TEAEs","definition_or_measurement_approach":"Proportion (percentage) of enrolled participants who experienced TEAEs during the study period."}
  • {"endpoint_text":"- 3. Number of TEAEs","definition_or_measurement_approach":"Total count of treatment-emergent adverse events reported in the study."}
  • {"endpoint_text":"- 4. Rate of TEAEs per injection","definition_or_measurement_approach":"Number of TEAEs divided by number of injections administered (TEAEs per injection)."}
  • {"endpoint_text":"- 5. Rate of TEAEs per participant year","definition_or_measurement_approach":"Number of TEAEs normalized to participant-years of exposure (TEAEs per participant-year)."}

Secondary endpoints

  • {"endpoint_text":"- 1. Number of Participants With: Serious Adverse Events (SAEs), Deaths, Related TEAEs, TEAEs leading to study discontinuation, TEAEs by severity, Laboratory Findings Reported as an AE, and Adverse Events of Special Interest (AESI)","definition_or_measurement_approach":"Counts of participants with each listed safety outcome as recorded during study follow-up."}
  • {"endpoint_text":"- 2. Percentage of Participants With: SAEs, Deaths, Treatment Related TEAEs, TEAEs leading to study discontinuation, TEAEs by severity, Laboratory Findings Reported as an AE, and AESI","definition_or_measurement_approach":"Proportions (percentages) of participants with each listed safety outcome."}
  • {"endpoint_text":"- 3. Number of SAEs, Deaths, Treatment Related TEAEs, TEAEs leading to study discontinuation, TEAEs by severity, AESI and Laboratory Findings Reported as an AE, and AESI","definition_or_measurement_approach":"Counts of events for each listed category (event-level counts)."}
  • {"endpoint_text":"- 4. Rate per injection of: SAEs, Deaths, Treatment Related TEAEs, TEAEs leading to study discontinuation, TEAEs by severity, Laboratory Findings Reported as an AE, and AESI","definition_or_measurement_approach":"Event counts normalized per injection administered (rates per injection) for each listed category."}
  • {"endpoint_text":"- 5. Rate per participant year of: SAEs, Deaths, Treatment Related TEAEs, TEAEs leading to study discontinuation, TEAEs by severity, Laboratory Findings Reported as an AE, and AESI","definition_or_measurement_approach":"Event counts normalized to participant-years for each listed category."}
  • {"endpoint_text":"- 6. Number of Participants with Anti-garadacimab Antibodies","definition_or_measurement_approach":"Count of participants with detected anti-garadacimab antibodies (immunogenicity testing results)."}
  • {"endpoint_text":"- 7. Percentage of Participants with Anti-garadacimab Antibodies","definition_or_measurement_approach":"Proportion (percentage) of participants with detected anti-garadacimab antibodies."}
  • {"endpoint_text":"- 8. Plasma Concentrations of Garadacimab","definition_or_measurement_approach":"Measured plasma concentration levels of garadacimab (pharmacokinetic sampling)."}
  • {"endpoint_text":"- 9. Percentage of Participants who Indicated Their Preference for Garadacimab","definition_or_measurement_approach":"Proportion (percentage) of participants reporting a stated preference for garadacimab (patient-reported preference measure)."}

Recruitment

Planned Sample Size
25
Recruitment Window Months
10
Consent Approach
Written informed consent and assent required. Inclusion criterion: "Aged ≥ 12 years at the time of providing written informed consent / assent." Age-specific information and consent/assent documents are provided (documents listed include L1_SIS and ICF_Main_Redacted, L1_SIS and ICF_Parent-LAR_Redacted, L1_SIS and ICF_Adolescent). Parental/legally authorised representative consent and adolescent assent procedures are available for minors.

Geography

Total Number Of Sites
2
Total Number Of Participants
25

Germany

Earliest CTIS Part Ii Submission Date
24-07-2025
Latest Decision Or Authorization Date
06-10-2025
Processing Time Days
74
Number Of Sites
2
Number Of Participants
5

Sites

Site Name
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz KöR
Department Name
Clinical Research Center (CRC) der Hautklinik und Poliklinik
Contact Person Name
Petra Staubach-Renz
Site Name
HZRM Haemophilie-Zentrum Rhein Main GmbH
Contact Person Name
Carmen Escuriola Ettingshausen
Contact Person Email
carmen.escuriola@hzrm.de

Sponsor

Primary sponsor

Full Name
CSL Behring LLC
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
PAREXEL International GmbH
Responsibilities
sponsorDuties codes: 10 (id 748042)
Name
Syneos Health Inc.
Responsibilities
sponsorDuties codes: 1, 12, 5, 8 (ids 748036-748039)
Name
Fortrea Inc.
Responsibilities
sponsorDuties codes: 6, 7 (ids 748044, 748045)
Name
MEDPACE LABORATORIES
Responsibilities
sponsorDuties code: 4 (id 748040) - laboratory services
Name
Suvoda LLC
Responsibilities
sponsorDuties code: 3 (id 748043) - eClinical services

Third parties

  • {"country":"United States","full_name":"Fisher Clinical Services Inc.","duties_or_roles":"Clinical Trial Supplies (sponsorDuties id 748041, value: Clinical Trial Supplies)","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"PAREXEL International GmbH","duties_or_roles":"sponsorDuties codes: 10 (id 748042)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Syneos Health Inc.","duties_or_roles":"sponsorDuties codes: 1, 12, 5, 8 (ids 748036-748039)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Kcas LLC","duties_or_roles":"sponsorDuties code: 4 (id 748047)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"sponsorDuties code: 3 (id 748043)","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"sponsorDuties code: 7 (id 748035)","organisation_type":"Pharmaceutical company"}
  • {"country":"Belgium","full_name":"MEDPACE LABORATORIES","duties_or_roles":"sponsorDuties code: 4 (id 748040)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Fortrea Inc.","duties_or_roles":"sponsorDuties codes: 6, 7 (ids 748044, 748045)","organisation_type":"Pharmaceutical company"}
  • {"country":"Switzerland","full_name":"Fisher Clinical Services GmbH","duties_or_roles":"Clinical Trial Supplies (sponsorDuties id 748046, value: Clinical Trial Supplies)","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
garadacimab
Active Substance
GARADACIMAB
Modality
Monoclonal antibody
Routes Of Administration
SUBCUTANEOUS USE
Route
Subcutaneous
Dose Levels
Max daily dose 400 mg; max total dose 800 mg (as listed: maxDailyDoseAmount: 400; maxTotalDoseAmount: 800)
Maximum Dose
800 mg

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