NCT05689983

Brief Summary

Inhaler nonadherence is a common problem that has been estimated to account for approximately 60% of all asthma-related hospitalizations. Unfortunately, prior interventions to improve inhaler nonadherence have shown a lack of long-term success. This study proposes to assess the problem of non-adherence using a D\&I research lens while testing a new inhaler approach to potentially ameliorate the detrimental consequences of maintenance inhaler nonadherence.

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Apr 2022

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2022

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

January 9, 2023

Completed
10 days until next milestone

First Posted

Study publicly available on registry

January 19, 2023

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2025

Completed
Last Updated

September 17, 2025

Status Verified

September 1, 2025

Enrollment Period

3.7 years

First QC Date

January 9, 2023

Last Update Submit

September 11, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Adherence to inhaler strategy delineated using an electronic inhaler sensor

    The primary outcome will be adherence with an inhaler management strategy delineated using the Adherium inhaler sensor and smartphone application as compared between groups. Adherence to the treatment strategy for the maintenance ICS inhaler group will be calculated as the proportion of maintenance ICS actuations per prescription recommendation. Adherence for the symptom-based ICS treatment strategy will be calculated as the proportion of ICS/LABA actuations per recommendation based on self-report of symptoms (definition: ICS/LABA inhaler actuation during a day or night period divided by a period wherein a patient identified symptoms as \>1 on REDCap-delivered smartphone questionnaire).

    24 weeks

Secondary Outcomes (11)

  • Number of asthma exacerbations

    24 weeks

  • Time to asthma exacerbation

    24 weeks

  • ICS exposure

    24 weeks

  • Adverse and serious adverse events

    24 weeks

  • Change in Asthma Control Questionnaire (ACQ)

    24 weeks

  • +6 more secondary outcomes

Study Arms (2)

As needed inhaled corticosteroid and long-acting beta-agonist

ACTIVE COMPARATOR

Symptom-driven ICS/LABA treatment strategy

Drug: Symptom-driven budesonide/formoterol combination

Standard therapy: maintenance inhaled corticosteroid and as needed short-acting beta-agonist

PLACEBO COMPARATOR

Continue maintenance ICS and SABA therapy

Drug: Maintenance ICS and Symptom Driven SABA

Interventions

In this intervention, patients will be assigned to a standard therapy with a maintenance inhaled corticosteroid (Flovent) and an as needed short-acting beta-agonist and their adherence to this regimen will be assessed and compared to patients taking a regimen with an as needed inhaled corticosteroid and long-acting beta-agonist.

Standard therapy: maintenance inhaled corticosteroid and as needed short-acting beta-agonist

In this intervention, patients will be assigned to a symptom-driven budesonide/formoterol combination therapy (Symbicort) and their adherence to this regimen will be assessed and compared to patients taking a standard therapy with a maintenance inhaled corticosteroid and as needed short-acting beta-agonist.

As needed inhaled corticosteroid and long-acting beta-agonist

Eligibility Criteria

Age12 Years - 17 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Able to understand and provide informed consent.
  • Age 18-75 at the time of study enrollment.
  • Provider diagnosed mild or moderate persistent asthma and prescribed maintenance ICS treatment and as needed SABA for at least 6 months prior to enrollment.
  • Suboptimal adherence to prescribed maintenance ICS therapy defined as missing at least expected 2 ICS refills in the prior 6 months based on examination of pharmacy records or a Medication Adherence Report Scale for Asthma (MARS-A) score \<4.5.
  • An Asthma Control Test (ACT) score at enrollment greater than or equal to 12 but less than or equal to 20 indicating partially controlled or moderately uncontrolled asthma.
  • iPhone or Android smartphone with an active data plan and willingness to use the Adherium device.

You may not qualify if:

  • Relevant comorbid pulmonary diseases including, but not limited to a diagnosis of chronic obstructive pulmonary disease (COPD), cystic fibrosis, or alpha 1 anti-trypsin deficiency.
  • Current use of a biologic medication or investigational treatment for asthma.
  • History of asthma requiring ICU admission in the last year.
  • Unwillingness to use or pay for an inhaler that is compatible with the Adherium sensor (fluticasone propionate or budesonide/formoterol). Of note, fluticasone and budesonide/formoterol are formulary tier 1-2 for Missouri Medicaid and most commercial insurances and are believed to be equally or less expensive as alternative inhalers for most patients.
  • Any clinically significant abnormalities on physical exam, laboratory testing, or baseline diagnostic testing that the study team believes will make the study unsafe.
  • Patients who do not complete at least 70% of the twice-daily texts during the two weeks after screening.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Washington University in St. Louis School of Medicine

St Louis, Missouri, 63110, United States

Location

MeSH Terms

Conditions

Medication Adherence

Condition Hierarchy (Ancestors)

Patient CompliancePatient Acceptance of Health CareTreatment Adherence and ComplianceHealth BehaviorBehavior

Study Officials

  • James Krings, MD MSc

    Washington University School of Medicine

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: Randomization will occur using a 1:1 ratio with random numbers generated using SAS 9.4
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 9, 2023

First Posted

January 19, 2023

Study Start

April 1, 2022

Primary Completion

December 1, 2025

Study Completion

December 1, 2025

Last Updated

September 17, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations