Efficacy and Safety of Omalizumab in Children (6 - < 12 Years) With Moderate-severe, Inadequately Controlled Allergic Asthma

Novartis

Status and phase: Completed; Phase 3

Conditions: Asthma

Treatments: Drug: Fluticasone; Drug: Placebo; Drug: Omalizumab

Study type: Interventional

Funder types: Industry

Identifiers

NCT00079937

CIGE025AIA05

Details and patient eligibility

About

A substance called immunoglobulin E (IgE), which is naturally produced by our body, has a key role in generating asthma attacks. In patients with allergies, there is an exaggerated production of IgE in response to specific substances such as pollens. Omalizumab is a new drug that inactivates IgE. This study tested the safety and efficacy of omalizumab against asthma attacks in children with allergic asthma.

Full description

This study was designed to provide one year efficacy and safety data for subcutaneous (SC) omalizumab, compared to placebo in children (6 to < 12 years) with moderate to severe persistent asthma who have inadequate asthma control despite treatment according to National Heart, Lung and Blood Institute (NHLBI) step 3 or 4 (at least medium dose inhaled corticosteroids with or without other controller asthma medications).

Enrollment: 628 patients

Sex: All

Ages: 6 to 11 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Parent or legal guardian was informed of the study procedures and medications and gave written informed consent.
• Outpatient males and females aged 6 - < 12 years on study entry, with body weight between 20 and 150 kg.
• Total serum IgE level ≥ 30 to ≤ 1300 IU.
• Diagnosis of allergic asthma ≥ 1 year duration, according to American Thoracic Society (ATS) criteria, and a screening history consistent with clinical features of moderate or severe persistent asthma according to National Heart Lung and Blood Institute (NHLBI) guidelines.
• Positive prick skin test to at least one perennial allergen, documented within the past 2 years or taken at Screening. A radioallergosorbent test (RAST) could have been performed for patients with a borderline skin prick test result after consultation with Novartis clinical personnel.
• Patients with ≥ 12% increase in forced expiratory volume in 1 second (FEV1) over starting value within 30 minutes of taking up to 4 puffs (4x100 µg) salbutamol (albuterol) or nebulized salbutamol up to 5 mg (or equivalent of alternative B2-agonist) documented within the past year, at screening, during the run-in period, or prior to randomization. Patients were not to take their long acting B2-agonist (LABA) medication within 12 hours of reversibility testing.
• Clinical features of moderate or severe persistent asthma (at least step 3) despite therapy at step 3 or 4 (at least medium dose inhaled corticosteroid (ICS) - fluticasone dry-powder inhaler (DPI) ≥ 200 mg/day or equivalent with or without other controller medications).
• Documented history of experiencing asthma exacerbations and demonstrated inadequate symptom control during the last 4 weeks of run-in despite receiving an equivalent dose of fluticasone DPI ≥ 200 mg/day total daily ex-valve dose.

Exclusion criteria

• Patients who received systemic corticosteroids for reasons other than asthma, beta-adrenergic antagonists by any route, anticholinergics within 24 hours of Screening, methotrexate, gold salts, cyclosporin or troleandomycin, or had received desensitization therapy with less than 3 months of stable maintenance doses prior to Screening.
• Patients with a history of food or drug related severe anaphylactoid or anaphylactic reaction, a history of allergy to antibiotics, with aspirin or other non-steroidal anti-inflammatory drugs (NSAID)-related asthma (unless the NSAID could be avoided), with active lung disease or acute sinusitis/chest infection, elevated serum IgE levels for other reasons, presence/history of a clinically significant uncontrolled systemic disease, cancer, abnormal, electrocardiogram (ECG) in the previous month, or platelets ≤ 100 x 109/L or clinically significant laboratory abnormalities at Screening.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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628 participants in 2 patient groups, including a placebo group

Omalizumab

Experimental group

Description:

Participants received omalizumab administered by subcutaneous injection every 2 or 4 weeks for a duration of 52 weeks. The omalizumab dose was based on the patient's body weight and total serum IgE level at Screening. The first 24 weeks of the treatment period was a fixed steroid phase where the steroid dose was maintained constant; in the following 28 weeks the steroid dose was adjustable, depending on the patient's condition. Following the 52-week treatment period, patients were followed up for an additional 16 weeks.

Treatment:

Drug: Fluticasone

Drug: Omalizumab

Placebo

Placebo Comparator group

Description:

Placebo was administered by subcutaneous injection every 2 or 4 weeks depending on the dosing schedule in the protocol for a total of 52 weeks. The first 24 weeks of the treatment period was a fixed steroid phase where the steroid dose was maintained constant; in the following 28 weeks the steroid dose was adjustable, depending on the patient's condition. Following the 52-week treatment period, patients were followed up for an additional 16 weeks.

Treatment:

Drug: Fluticasone

Drug: Placebo