A Study to Assess the Pharmacokinetics (PK), Pharmacodynamics (PD) and Safety of 2-Week Treatment With Inhaled AZD7594 in Adolescents (12 to 17 Years) With Asthma

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-07-24

Study Completion Date

2020-07-09

Brief Summary

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This is an open-label, multi-centre, Phase I study to assess the PK, PD and safety of 2 week treatment with inhaled AZD7594 in adolescent patients with asthma.

The study is planned to be conducted at 4-10 study sites in the United States. The study intends to include 24 patients (12 to 17-year-old patients). For each patient, the duration of participation in the study will be approximately 5 to 7 weeks (37 to 52 days).

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Detailed Description

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This is an open-label, multi-centre, Phase I study to assess the PK, PD and safety of 2 week treatment with inhaled AZD7594 in adolescent patients with asthma.

The study is planned to be conducted at 4-10 study sites in the United States. Eligible 12 to 17-year-old patients with asthma controlled on Global Initiative for Asthma (GINA) step 2 medication (ie, low dose inhaled corticosteroid \[ICS\] or leukotriene receptor antagonist \[LTRA\]), as evidenced by an asthma control questionnaire (ACQ-5) score ≤1.5, will be asked to stop their ongoing asthma maintenance treatment. After a washout period (14 to 21 days), all patients with confirmed reversibility will start study treatment, consisting of inhalations of AZD7594 (360 µg, delivered dose, via dry powder inhaler \[DPI\]) once daily for 15 to 16 days.

The study intends to include 24 patients in order to have 18 evaluable patients, enrolled in equal proportion in the age group of 12 to 14 years (inclusive), and the age group of 15 to 17 years (inclusive), with at least 7 patients in each subgroup.

For each patient, the duration of participation in the study will be approximately 5 to 7 weeks (37 to 52 days)

Conditions

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Asthma

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Cohort 1

The study will include adolescent patients of 12 to 17 years of age, with subgroups of 12-14 years age and 15-17 years age.

Group Type EXPERIMENTAL

AZD7594

Intervention Type DRUG

During treatment period, AZD7594 (360 µg per day) will be administered as oral inhalation via dry powder inhaler or DPI (SD3FL inhaler).

Interventions

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AZD7594

During treatment period, AZD7594 (360 µg per day) will be administered as oral inhalation via dry powder inhaler or DPI (SD3FL inhaler).

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Provision of signed and dated informed consent form (ICF) prior to any study-specific procedures from patient's parents/legal guardians is required and signed and dated informed assent from the patient.
2. Patient must be 12 to 17 years of age inclusive, at the time of signing the ICF/assent.
3. A minimum of 6-month documented history of asthma treated (daily or intermittently) for at least 3 months before screening (Visit 1) with either low dose inhaled corticosteroid (ICS) monotherapy or leukotriene receptor antagonist (LTRA) monotherapy.
4. Pre-bronchodilator FEV1 ≥70% of the predicted normal value at screening (Visit 1).
5. An ACQ-5 score \<1.5 at screening (Visit 1).
6. Be non-smoker or ex-smoker who has stopped smoking (or using other nicotine products) for \>6 months prior to screening (Visit 1).
7. Body mass index (BMI) above the 5th percentile for the patient's age and gender and a minimum weight of 30 kg at screening (Visit 1).
8. Male or female
9. Negative pregnancy test (urine or serum) for post-menarcheal female patients at screening (Visit 1).
10. Post-menarcheal female patients must be willing to use a highly effective method of contraception which results in a low failure rate (ie, less than 1% per year). Sexual abstinence will be accepted as an effective method of contraception, provided a discussion occurred between the subject and investigator to confirm this lifestyle.

11. Negative pregnancy test (urine or serum) for post-menarcheal female patients at baseline (Visit 4).
12. FEV1 increase of at least 12% and 200 mL from baseline 15 to 30 minutes after 400 μg salbutamol (or albuterol equivalent of 360 µg) documented in the patient's medical history within 6 months of Visit 1, or confirmed at Visit 1 or Visit 2. In 12 to 14-year-old patients (who are likely to have a smaller forced vital capacity), positive reversibility testing could be based solely on the relative post bronchodilator response (at least 12%).

Exclusion Criteria

Medical conditions

1. Any clinically significant disease or disorder (eg, cardiovascular, pulmonary other than asthma, gastrointestinal, liver, renal, neurological, musculoskeletal including bone fractures, endocrine including adrenal insufficiency, metabolic, malignant, psychiatric, major physical impairment, severe obesity including weight-related health problems) which, in the opinion of the Investigator, may either put the patient at risk because of participation in the study, or influence the result of the study, or the patient's ability to participate in the study.
2. Any clinically relevant abnormal findings in physical examination, clinical chemistry, haematology, urinalysis, vital signs, at screening (Visit 1), which, in the opinion of the Investigator, may put the patient at risk because of his/her participation in the study.
3. Prolonged QT interval corrected using Fridericia's formula (QTcF) ≥440 msec based on ECG at screening (Visit 1) or pre-dose at Visit 4, or family history of long QT syndrome.
4. Prolonged PR interval (\>180 msec for ≤16-year-old patients and \>200 msec for \>16 year old patients) at screening (Visit 1) or pre-dose at Visit 4.
5. Heart rate \<50 beats per minute (bpm) or \>110 bpm.
6. History of or current alcohol or drug abuse (including marijuana), as judged by the Investigator.
7. Patients who are positive for hepatitis B surface antigen (HBsAg), hepatitis C virus (HCV) antibody or human immunodeficiency virus (HIV) at screening (Visit 1).
8. Hospitalisation due to asthma exacerbation or asthma exacerbation within 1 month prior to screening (Visit 1).
9. Lower respiratory tract infection within 1 month prior to screening (Visit 1).

Prior/concomitant therapy
10. Patient who, in the opinion of the Investigator, is unable to abstain from protocol-defined prohibited medications during the study.

Prior/concurrent clinical study experience
11. Participation in another clinical study with an investigational drug administered in the last 3 months before Visit 1, or participation in a method development study (no drug) 1 month prior to Visit 1.

Note: Participation is identified as the completion of a treatment related visit.
12. A definite or suspected personal history of intolerance or hypersensitivity to drugs and/or their excipients, judged to be clinically relevant by the Investigator.

Other exclusions
13. Inability to perform the required spirometry assessments, to use the AZD7594 inhaler or the short-acting beta agonist (SABA) inhaler, or to undergo blood sampling.
14. Parent/legal guardian involvement in the planning and/or conduct of the study (applies to both AstraZeneca staff and/or staff at the study site).
15. Judgement by the Investigator that the patient should not participate in the study if the patient is unlikely to comply with study procedures, restrictions and requirements.
16. Previous enrolment in the present study.
17. For post-menarcheal female patients only - currently pregnant, breastfeeding, or planning to become pregnant during the study.

1. An ACQ-5 score ≥3 at Visit 4.
2. SABA use of ≥12 puffs/day for ≥3 consecutive days during the washout period.
3. An asthma exacerbation that required treatment with ICSs or systemic steroids during the washout period.
4. A \<70% compliance in completing asthma symptom score during the last 7 days of the washout period (ie, \<5 out of 7 days with both morning and evening assessments completed).

Minimum Eligible Age

12 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No