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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01028560
Other study ID # 2007-280
Secondary ID
Status Completed
Phase Phase 1/Phase 2
First received
Last updated
Start date October 2008
Est. completion date April 2015

Study information

Verified date April 2019
Source Albert Einstein College of Medicine
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

In this clinical study we aim to determine the effect of allergy immunotherapy in decreasing asthma and allergy related disease in children who had multiple episodes of wheezing and who are at high risk for developing persisting asthma. These risks include a history of asthma in the parents, allergies to environmental allergens (such as dust mite, cockroach or mouse) and other allergic diseases such as eczema or food allergies. Allergy Immunotherapy is not new and has been practiced for many years to treat asthma and environmental allergies in older children and adults, but has not yet been systematically studied in young children.


Recruitment information / eligibility

Status Completed
Enrollment 58
Est. completion date April 2015
Est. primary completion date April 2015
Accepts healthy volunteers No
Gender All
Age group 18 Months to 3 Years
Eligibility Inclusion Criteria:

- Children between 18 months through 3 years who had at least 2 episodes of wheezing prior to enrolment.

- Positive skin tests or specific Immunoglobulin E (IgE) antibody titers to at least one of common airborne allergens: Dust Mite, cat, cockroach, mouse, dog, pollen (all allergy testing can be done at the screening visit at the study site).

- The child must also fulfill the criteria for high risk of developing persistent asthma by meeting at least one of the following major conditions OR 2 of the following minor conditions:

- Major criteria: History of atopic dermatitis and/or parental history of asthma.

- Minor criteria: MD-diagnosed allergic rhinitis, wheezing unrelated to colds, blood eosinophils above 4%.

Exclusion Criteria:

- The child has a severe systemic condition (other than allergy or asthma) including (but not limited to) seizures, major congenital anomalies, physical and intellectual delay, cerebral palsy, chest surgery, tuberculosis, primary or secondary immunodeficiency or cardiac disorder (except a hemodynamically insignificant atrial or ventricular septum defect or heart murmur).

- The child was born following 35 or less weeks of gestation.

- Parental report that the child received oxygen for more than 5 days in the neonatal period, or required mechanical ventilation at any time since birth.

- The child fails to thrive, defined as crossing of two major growth percentile lines during the last year.

- The child has chronic lung disease of prematurity (CLDP), cystic fibrosis or any other chronic lung disease.

- The child ever received immunotherapy.

- The child ever received i.v. gammaglobulins or immunosuppressants (other than corticosteroids for asthma).

- History of a life-threatening asthma exacerbation which required intubation and mechanical ventilation.

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Allergen extracts (subcutaneous injections)
Allergy immunotherapy consists of regular subcutaneous injections of an individualized mixture of allergen extracts according to the allergy sensitization profile of each child. Increasing doses of allergen extract are given in 1-2 injections until a predetermined maintenance dose is reached. This maintenance dose varies by extract and accords to the general practice guidelines of immunotherapy. To increase safety, the cumulative monthly maintenance doses are divided into biweekly visits during the maintenance phase (year 2-3)
Other:
Standard of care
standard of care asthma and allergy treatment

Locations

Country Name City State
United States Jacobi Medical Center Bronx New York

Sponsors (2)

Lead Sponsor Collaborator
Albert Einstein College of Medicine Jacobi Medical Center

Country where clinical trial is conducted

United States, 

References & Publications (3)

Abramson MJ, Puy RM, Weiner JM. Allergen immunotherapy for asthma. Cochrane Database Syst Rev. 2003;(4):CD001186. Review. Update in: Cochrane Database Syst Rev. 2010;(8):CD001186. — View Citation

Pifferi M, Baldini G, Marrazzini G, Baldini M, Ragazzo V, Pietrobelli A, Boner AL. Benefits of immunotherapy with a standardized Dermatophagoides pteronyssinus extract in asthmatic children: a three-year prospective study. Allergy. 2002 Sep;57(9):785-90. — View Citation

Roberts G, Hurley C, Turcanu V, Lack G. Grass pollen immunotherapy as an effective therapy for childhood seasonal allergic asthma. J Allergy Clin Immunol. 2006 Feb;117(2):263-8. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Asthma Severity as Measured by the Asthma Severity Score (Averaged up to 36 Months) The Asthma Severity Score is a customized score created for this study due to the lack of standardized instruments for this age group. It takes into account asthma symptom severity and frequency, as well as asthma medication dosing and potency. Data was collected at baseline and every 2 weeks through interviews conducted over the phone. If the caregiver could not be reached by the phone, the interview was conducted at the next face-to face opportunity (study or injection visit). The minimum score on this scale is 0 (no asthma symptoms and no asthma medicines used during the 14 day interview period). The maximum score is 224 (uncontrolled severe asthma with severe cough, shortness of breath and wheezing on 14 of 14 days, using Albuterol 2 puffs 4x/day, budesonide/formoterol 160ug/4.5ug 2 puffs twice daily and Montelukast 4mg daily on 14 of 14 days). Scores calculated from the collected data were averaged to produce one reported value at baseline and year 1, 2 and 3. baseline and every two weeks up to end of study (up to 36 months)
Secondary Number of Newly Gained Allergic Sensitizations as Assessed by Serum Specific Immunoglobulin E (IgE) Testing Young children with allergies tend to develop additional environmental allergies over time. This study investigated if allergy immunotherapy could be used to prevent the development of new allergic sensitizations. Participants were tested for sensitivity to a panel of 8 common environmental allergens. Testing was conducted via serum specific immunoglobulin E (IgE) testing. A test was considered negative (non-allergic) if the specific IgE level was <0.35 kIU/L (Kilo International Units/Liter) and positive (allergic) if the levels was >0.35 kIU/L. A "test pair" is the result of a serum IgE test, for a specific allergen, done at two different times. Test pairs can be negative-negative, negative-positive (newly gained allergic sensitization), positive-negative (lost sensitization) or positive-positive. Reported values indicate the total number of newly gained allergic sensitization (negative-positive) for the group. Baseline and end of treatment (36 months)
Secondary Peripheral Blood T Regulatory Cells as a Percentage of CD4+ (Cluster of Differentiation 4) Cells T regulatory cells are thought to play a role in mediating the effects of immunotherapy in increasing allergen tolerance and dampen the clinical expression of allergy. However, existing studies have not found clear relationship between numbers of T regulatory cells in blood and effect of immunotherapy. The aim of this analysis was to observe potential changes in T regulatory cell numbers in response to immunotherapy in this age group. Peripheral blood cells were acquired and analyzed for T regulatory (Treg) cell markers. In molecular biology, CD4+ (cluster of differentiation 4), a particular cell marker, is a glycoprotein found on the surface of immune cells such as T helper cells and certain groups of T regulatory cells. Testing was done at baseline and then every 12 months. Reported values represents the percentage of CD4+ that are Treg cells. Baseline and every 12 months until end of treatment (36 months)
Secondary Incidence Rate of Systemic Corticosteroid Bursts (CSB) Per Child Any reported use of consequent systemic corticosteroid use due to asthma exacerbation counted as one "corticosteroid burst" (CSB). For example, if a child used 5 days of prednisolone due to asthma exacerbation, this counted as one corticosteroid burst (CSB). An interval of at least 7 days was determined to be necessary to count 2 courses of systemic corticosteroids as separated bursts.
The presented data reflect the intention-to-treat analysis. The time between baseline and each participant's study end time was counted towards the "years in study". The incidence rate describes the number of CSB per child per "year in study".
From baseline through end of study (maximum 36 months)
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