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Blinded Safety & Efficacy Placebo Controlled Study of Icatibant for Angiotensin Converting Enzyme Inhibitor Induced Angioedema

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Shire

Status and phase

Completed
Phase 3

Conditions

Angiotensin Converting Enzyme Inhibitor Induced Angioedema

Treatments

Drug: Icatibant
Drug: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT01919801
2014-001213-12 (EudraCT Number)
HGT-FIR-096

Details and patient eligibility

About

This study is being conducted to compare the safety and efficacy of icatibant with placebo in the treatment for Angiotensin-Converting Enzyme Inhibitor (ACE-I)-Induced Angioedema in Adults.

Full description

Angiotensin-converting enzyme inhibitors (ACE-Is) are the class of medications prescribed most frequently for the treatment of hypertension. They are also used post myocardial infarction as well as in patients with heart failure, diabetes mellitus, and chronic kidney disease. Approximately 35 to 40 million patients are on ACE-Is worldwide.

Study HGT-FIR-096 is a multicenter, Phase III, randomized, double-blind, two-armed, placebo-controlled trial. The study population will consist of 118 adult patients, 18 years of age or older, who present with an acute ACE-I-induced angioedema attack. The primary aim of the study is to demonstrate that icatibant is significantly more effective than placebo in resolving attacks of angioedema caused by ACE-I based on the Time to Meeting Discharge Criteria (TMDC). Safety and tolerability, as well as the pharmacokinetics (PK), of icatibant will also be evaluated. Eligible patients will be randomized at a 1:1 ratio to receive a single sub-cutaneous injection of either 30 mg icatibant or placebo.

Enrollment

118 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Male or female, 18 years of age or older.
  2. Patient is currently being treated with an ACE inhibitor.
  3. Patient presenting with an ACE inhibitor-induced angioedema attack of the head and/or neck region within 12 hours of onset (must be sufficiently less than 12 hours to allow study drug to be given with 12 hours of attack onset).
  4. Angioedema must be considered at least moderate in severity for at least one of the four angioedema-associated airway symptoms (difficulty breathing, difficulty swallowing, voice changes, tongue swelling).
  5. Patient must have voluntarily signed an Institutional Review Board/Independent Ethics Committee-approved informed consent form after all relevant aspects of the study have been explained and discussed with the patient.
  6. Females must have a negative urine pregnancy test prior to administration of the study medication, with the exception of those females who have had a total hysterectomy or bilateral oophorectomy, or who are 2 years post-menopausal.

Exclusion criteria

  1. Patient has a diagnosis of angioedema of other etiology (eg, hereditary or acquired angioedema, allergic angioedema [eg, food, insect bite or sting, evident clinical response to antihistamines and/or corticosteroids], anaphylaxis, trauma, abscess or infection or associated disease, local inflammation, local tumor, post-operative or post-radiogenic edema, salivary gland disorders, other [non-ACE inhibitor] drug-induced angioedema).

  2. Patients with a family history of recurrent angioedema.

  3. Patients who have had a previous episode(s) of angioedema while not on ACE inhibitor therapy.

  4. Patients with acute urticaria (itchy, erythematous wheals).

  5. Patients who have an intervention to support the airway (eg, intubation, tracheotomy, cricothyrotomy) due to the current attack of angioedema.

  6. Patient has any of the following vascular conditions that, in the judgment of the investigator, would be a contraindication to participation in the study.

    • Unstable angina pectoris or acute myocardial ischemia
    • Hypertensive urgency or emergency (diastolic blood pressure [DBP] >120 mm Hg or systolic blood pressure [SBP] >180 mm Hg)
    • Within 1 month of a stroke or transient ischemic attack
    • New York Heart Association (NYHA) heart failure class IV
  7. Patient has a serious or acute condition or illness that, in the judgment of the investigator, would interfere with evaluating the safety and/or efficacy assessments of the study (eg, a condition or illness requiring hemodialysis).

  8. Patient is pregnant or breast feeding.

  9. Patient has participated in another investigational study in the past 30 days.

  10. Patient is unable to understand the nature, scope, and possible consequences of the protocol, or is unlikely or unable to comply with the protocol assessments, or is unlikely to complete the study for any reason.

  11. Patients who are not suitable for the study in the opinion of the investigator.

  12. Patient has experienced hypersensitivity to the active substance of the investigational product or to any of its excipients.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

118 participants in 2 patient groups, including a placebo group

Icatibant
Experimental group
Description:
Icatibant at a dose of 30 mg will be administered as a single subcutaneous injection
Treatment:
Drug: Icatibant
Placebo
Placebo Comparator group
Description:
Placebo will be administered as a single subcutaneous injection
Treatment:
Drug: Placebo

Trial contacts and locations

55

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Data sourced from clinicaltrials.gov

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