Recombinant Human C1 Inhibitor for the Treatment of Acute Attacks in Patients With Hereditary Angioedema

This study has been completed.
Information provided by:
Pharming Technologies B.V. Identifier:
First received: December 1, 2005
Last updated: April 24, 2013
Last verified: April 2013
The purpose of this single-center study is to explore the efficacy, safety, tolerability and pharmacokinetics/pharmacodynamics of recombinant human C1 inhibitor in the treatment of acute attacks in patients with hereditary angioedema.

Condition Intervention Phase
Genetic Disorders
Drug: i.v. recombinant human C1 inhibitor
Phase 2

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: A Phase II Exploratory, Open-label Study of the Safety and Efficacy of Recombinant Human C1 Inhibitor for the Treatment of Acute Attacks in Patients With Hereditary Angioedema

Resource links provided by NLM:

Further study details as provided by Pharming Technologies B.V.:

Primary Outcome Measures:
  • Primary outcomes: Relief of angioedema symptoms

Secondary Outcome Measures:
  • Secondary outcomes: Safety and tolerability; pharmacokinetics/pharmacodynamics

Enrollment: 14
Study Start Date: June 2003
Study Completion Date: December 2005
Primary Completion Date: September 2005 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Open-label i.v. administration of 100 U/kg rhC1INH
Drug: i.v. recombinant human C1 inhibitor


Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Main inclusion Criteria:

  • Clinical and laboratory diagnosis of HAE
  • Plasma level of functional C1INH of less than 50% of normal
  • Severe attack of abdominal, facial-oro-pharyngeal, genito-urinary and/or peripheral HAE.

Main exclusion Criteria:

  • Acquired angioedema
  • Pregnancy or breastfeeding
  • Participation in another clinical study within prior 3 months
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00261053

For information contact Sonja Visscher
Leiden, Netherlands, 2333 CN
Sponsors and Collaborators
Pharming Technologies B.V.
Study Chair: Jan Nuijens, MD, PhD Pharming Technologies B.V.
  More Information Identifier: NCT00261053     History of Changes
Other Study ID Numbers: C1 1202-01 
Study First Received: December 1, 2005
Last Updated: April 24, 2013
Health Authority: Netherlands: The Central Committee on Research Involving Human Subjects (CCMO)

Additional relevant MeSH terms:
Angioedemas, Hereditary
Cardiovascular Diseases
Genetic Diseases, Inborn
Hypersensitivity, Immediate
Immune System Diseases
Skin Diseases
Skin Diseases, Vascular
Vascular Diseases
Complement C1 Inactivator Proteins
Complement Inactivating Agents
Immunologic Factors
Immunosuppressive Agents
Pharmacologic Actions
Physiological Effects of Drugs processed this record on May 02, 2016