Substance / Medication

Ecallantide

Overview

Active Ingredient
ecallantide
RxNorm CUI
658708

Indications

® KALBITOR(ecallantide) is indicated for treatment of acute attacks of hereditary angioedema (HAE) in patients 12 years of age and older.

Labeler: Takeda Pharmaceuticals America, Inc.Updated: 2025-07-01T00:00:00.000ZFull label on DailyMed

Boxed Warning

FDA Black Box Warning

Contraindications (4) Warnings and Precautions (5.1) Adverse Reactions (6) see,, and Anaphylaxis has been reported after administration of KALBITOR. Because of the risk of anaphylaxis, KALBITOR should only be administered by a healthcare professional with appropriate medical support to manage anaphy

Contraindications

When this intervention should not be used

Warnings and Precautions (5.1) see Do not administer KALBITOR to a patient who has known clinical hypersensitivity to KALBITOR. [].

Indications & Related Conditions

Conditions associated via SNOMED clinical relationships

Administration & Protocol

Dosing, route, and treatment protocol

Detailed dosage and administration information is available in the full FDA drug label.

View full prescribing information on DailyMed

Monitoring & Follow-Up

Biomarkers relevant to this intervention via related conditions

No monitoring biomarkers have been mapped yet. Biomarker-intervention linkages are derived through related conditions and will expand as the knowledge graph grows.

Research Evidence

Published studies and systematic reviews

Sort:
Assessment of rebound and relapse following ecallantide treatment for acute attacks of hereditary angioedema.
Bernstein J A, Shea E P, Koester J et al. · Allergy · 2012
PMID: 22765833RCT
Critical role of kallikrein in hereditary angioedema pathogenesis: a clinical trial of ecallantide, a novel kallikrein inhibitor.
Schneider Lynda, Lumry William, Vegh Arthur et al. · J Allergy Clin Immunol · 2007
PMID: 17559913Observational
Resolution of an acute attack of idiopathic angioedema with ecallantide.
Dy Tiffany Biason, Rasheed Mariam, Parikh Purvi et al. · Ann Allergy Asthma Immunol · 2013
PMID: 23987203Case Report
Treatment of an acute attack of type III hereditary angioedema with ecallantide.
Cronin Julia A, Maples Kelly M · Ann Allergy Asthma Immunol · 2012
PMID: 22192969Case Report
Successful use of ecallantide to treat a hereditary angioedema attack after failure of C1 inhibitor prophylaxis.
Burke Shayna, Petrov Andrej, Johnson Jonas et al. · Ann Allergy Asthma Immunol · 2011
PMID: 21802029Case Report
Management of acute attacks of hereditary angioedema: role of ecallantide.
Duffey Hannah, Firszt Rafael · J Blood Med · 2015
PMID: 25931832ReviewFull text (PMC)
Ecallantide: An alternative treatment of refractory angioedema in adolescents with systemic lupus erythematosus.
Kanchongkittiphon Watcharoot, Kabil Nora, Bacharier Leonard B et al. · J Allergy Clin Immunol Pract · 2020
PMID: 31541765Other
Extension of the circulatory half-life of recombinant ecallantide via albumin fusion without loss of anti-kallikrein activity.
Al-Adimi Ghofran, Bhakta Varsha, Eltringham-Smith Louise J et al. · J Biotechnol · 2024
PMID: 38844246Preclinical
Effectiveness of ecallantide in treating angiotensin-converting enzyme inhibitor-induced angioedema in the emergency department.
Bernstein Jonathan A, Moellman Joseph J, Collins Sean P et al. · Ann Allergy Asthma Immunol · 2015
PMID: 25601538Trial

Research data from MEDLINE/PubMed

Benefits & Expected Outcomes

Benefits, expected outcomes, efficacy data, and NNT (Number Needed to Treat) are pending physician authorship and evidence review.

Risks & Side Effects

Adverse reaction and safety data for this drug is sourced from the FDA-approved label.

View adverse reactions & drug interactions on DailyMed

Related Symptoms

Symptoms associated with conditions this intervention addresses

No related symptoms have been mapped yet. Symptom linkages are derived through associated conditions.

Alternatives & Comparisons

Alternative treatments, comparison data, and clinical decision support are pending physician authorship.

Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.

Do not start, stop, or change any treatment without consulting your healthcare provider.

Quick Facts

Type
Substance / Medication
Fully Specified Name
Ecallantide (substance)
SNOMED CT
445569008
UMLS CUI
C1722685
RxNorm CUI
658708
Labeler
Takeda Pharmaceuticals America, Inc.

Clinical Data

This intervention maps to 1 entities in the Ltrl knowledge graph.

1
Conditions
0
Biomarkers
0
Specialists
0
Symptoms

Data is sourced from SNOMED CT, UMLS, and the Ltrl clinical knowledge graph. Content sections marked as pending require physician authorship. Consult a healthcare provider before starting any treatment.