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CompletedNCT01095510Updated Jun 3, 2021Results posted

CINRYZE for the Treatment of Hereditary Angioedema Attacks in Children Under the Age of 12

A Phase 2 interventional study of CINRYZE in Hereditary Angioedema (HAE), sponsored by Shire. Completed at 11 sites in 3 countries. Open to participants aged 2 Years to 11 Years. Per ClinicalTrials.gov, last updated 2021-06-03.

Sponsored by Shire · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
9
Allocation
Non-randomized
Ages
2 Years to 11 Years
Sex
All
01

Study summary

The objectives of this study were to evaluate: (1) the dose response and (2) the pharmacokinetics (PK) and pharmacodynamics (PD) of intravenous (IV) administration of CINRYZE for the treatment of acute angioedema attacks in children above and below 25 kg and less than 12 years of age with hereditary angioedema (HAE); and (3) to determine the safety and tolerability following IV administration of CINRYZE in this study population.

Read the detailed description

Each subject received CINRYZE for treatment of a single acute angioedema attack.

02

Conditions studied

  • Hereditary Angioedema (HAE)

Keywords

  • CINRYZE
  • C1 INH
  • HAE
  • C1 inhibitor
  • Pediatric
  • PK/PD
03

In context

Angioedema

164 studies on the registry are indexed under Angioedema; 19 are open to participants now.

This study's enrollment of 9 is below the median of 44 across 111 interventional studies indexed under Angioedema.

Browse Angioedema studies →

Lead sponsor

Shire is the lead sponsor of 346 studies on the registry; 2 are open to participants now.

Of its 47 completed or terminated interventional studies of FDA-regulated products, 47 (100%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
2 Years to 11 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

To be eligible for this protocol, subjects must:

  1. Be at least 10 kg of body weight.
  2. Have a confirmed diagnosis of HAE.
  3. Have an acute HAE attack and be able to initiate treatment within 8 hours after onset of symptoms.

Exclusion criteria

Exclusion Criteria:

To be eligible for this protocol, subjects must not:

  1. Have any active infectious illness.
  2. Have had a prior HAE attack and/or received any C1 INH product within 7 days prior to dosing with study drug.
  3. Have received therapy with antifibrinolytics (e.g., tranexamic acid), androgens (e.g., danazol, oxandrolone, stanozolol, or testosterone), ecallantide (Kalbitor®), or icatibant (Firazyr®) within 7 days prior to dosing with study drug.
  4. Have a history of allergic reaction to C1 INH products, including CINRYZE (or any of the components of CINRYZE), or other blood products.
  5. Have participated in any other investigational drug evaluation within 30 days prior to dosing with study drug, or have previously received treatment with CINRYZE in this study at any time.
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
9 participants (actual)

Study arms

  • Experimental
    500 U CINRYZE (10-25 kg body weight)

    Single IV dose of 500 U CINRYZE

    Biological: CINRYZE

  • Experimental
    1000 U CINRYZE (10-25 kg body weight)

    Single IV dose of 1000 U CINRYZE

    Biological: CINRYZE

  • Experimental
    1000 U CINRYZE (>25 kg body weight)

    Single IV dose of 1000 U CINRYZE

    Biological: CINRYZE

  • Experimental
    1500 U CINRYZE (>25 kg body weight)

    Single IV dose of 1500 U CINRYZE

    Biological: CINRYZE

Interventions

  • BiologicalCINRYZE

    Also known as: C1 inhibitor [human]

06

What researchers measure

Primary outcomes

  1. Presence of Unequivocal Beginning of Relief of the Defining Attack Symptom

    Time frame: Within 4 hours following treatment

Secondary outcomes

  1. Time to Unequivocal Beginning of Relief of the Defining Attack Symptom

    Time frame: Within 4 hours following treatment

  2. Time to Complete Resolution of the Attack

    Time frame: Within 1 week following treatment

  3. Change in C1 Inhibitor (C1 INH) Antigen and Functional C1 INH Concentrations

    Data was not reported due to change in planned analysis.

    Time frame: Pre-dose, 2, 4, 8 hours post dose on Day 1; Day 2, 3, 5, 8

07

Results

Posted Jul 25, 2014
Limitations and caveats
Change in C1 INH antigen and functional C1 INH concentrations endpoint was not analyzed as no participants agreed to additional and optional blood sampling. As a result, no PK parameters were calculated for this study.

Participant flow

Participants were not enrolled in the lower body weight category (10-25 kilograms \[kg\]) 1000 Units (U) dose group despite substantial recruitment efforts.

Participant flow — Overall Study
Milestone500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)
Started3033
Completed3033
Not completed0000

Outcome measures

PrimaryPresence of Unequivocal Beginning of Relief of the Defining Attack Symptom
Time frame:
Within 4 hours following treatment
Reported as:
Number · participants
Presence of Unequivocal Beginning of Relief of the Defining Attack Symptom
participants500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)
Yes333
No000
SecondaryTime to Unequivocal Beginning of Relief of the Defining Attack Symptom
Time frame:
Within 4 hours following treatment
Reported as:
Median · hours
Time to Unequivocal Beginning of Relief of the Defining Attack Symptom
hours500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)
Time to Unequivocal Beginning of Relief of the Defining Attack Symptom1.25 (0.25 to 1.75)0.25 (0.25 to 0.50)0.50 (0.25 to 2.50)
SecondaryTime to Complete Resolution of the Attack
Time frame:
Within 1 week following treatment
Reported as:
Median · hours
Time to Complete Resolution of the Attack
hours500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)
Time to Complete Resolution of the Attack13.58 (11.48 to 37.35)10.00 (1.57 to 22.33)29.07 (1.58 to 102.33)
SecondaryChange in C1 Inhibitor (C1 INH) Antigen and Functional C1 INH Concentrations

Data was not reported due to change in planned analysis.

Time frame:
Pre-dose, 2, 4, 8 hours post dose on Day 1; Day 2, 3, 5, 8

No measurements were reported for this outcome.

Adverse events

Collected over Adverse events were collected through 1 week following the dose of study drug.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
500 U CINRYZE (10-25 kg Body Weight)—0/3 (0%)1/3 (33.3%)
1000 U CINRYZE (>25 kg Body Weight)—0/3 (0%)0/3 (0%)
1500 U CINRYZE (>25 kg Body Weight)—0/3 (0%)0/3 (0%)
Most frequent other events
Most frequent other events
Event500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)
DiarrheaGastrointestinal disorders1/30/30/3
NauseaGastrointestinal disorders1/30/30/3

Baseline characteristics

Age, Continuous
Age, Continuous(years)500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)Total
Median7 (6 to 9)9 (7 to 9)10 (8 to 11)9 (6 to 11)
Sex: Female, Male
Sex: Female, Male(Participants)500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)Total
Female3328
Male0011
Region of Enrollment
Region of Enrollment(Participants)500 U CINRYZE (10-25 kg Body Weight)1000 U CINRYZE (>25 kg Body Weight)1500 U CINRYZE (>25 kg Body Weight)Total
United States3339
08

Study locations

11 sites
  • Asthma & Allergy Associates, P.C.
    Colorado Springs, Colorado 80907, United States
  • University of South Florida Asthma, Allergy and Immunology Clinical Research Unit
    Tampa, Florida 33613, United States
  • Institute for Asthma and Allergy, PC
    Chevy Chase, Maryland 20815, United States
  • Allergy & Asthma Research Group
    Eugene, Oregon 97401, United States
  • Baker Allergy, Asthma and Dermatology Research Center, LLC
    Lake Oswego, Oregon 97035, United States
  • AARA Research Center
    Dallas, Texas 75231, United States
  • Allergy and Asthma Research Center, P.A.
    San Antonio, Texas 78229, United States
  • Marycliff Allergy Specialists
    Spokane, Washington 99204, United States
  • Charité Universitätsmedizin Berlin, Dept. of Dermatology and Allergy
    Berlin, Germany
  • Klinikum rechts der Isar, Technical University Munich, ENT Clinic
    Munich, Germany
  • Semmelweis University, Allergy and Angioedema Outpatients Clinic, Kútvölgyi Clinical Center
    Budapest, Hungary
09

References and documents

Publications

  • Lumry W, Soteres D, Gower R, Jacobson KW, Li HH, Chen H, Schranz J. Safety and efficacy of C1 esterase inhibitor for acute attacks in children with hereditary angioedema. Pediatr Allergy Immunol. 2015 Nov;26(7):674-80. doi: 10.1111/pai.12444. Epub 2015 Aug 11. PubMed 26171584 ↗
10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 3, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT01095510
Lead sponsor
Shire
Responsible party
Sponsor
First posted
Mar 30, 2010
Start date
Jun 2, 2010
Primary completion
Apr 17, 2012
Completion
Apr 17, 2012
Results posted
Jul 25, 2014
Last update
Jun 3, 2021

Study contacts

Study Director
study director · Takeda

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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