NCT06216535

Brief Summary

Antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs), such as escitalopram are widely used for mood and anxiety disorders. However, they have also been explored, with promising findings, for a variety of disorders outside of psychiatry. Clinical studies of SSRIs in depressed people with asthma were associated with decreased asthma exacerbations and improvement in asthma control. In this study, the number of asthma exacerbations will be assessed as the primary outcome measure in patients using escitalopram vs. placebo.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
105

participants targeted

Target at P50-P75 for phase_2 asthma

Timeline
37mo left

Started May 2025

Longer than P75 for phase_2 asthma

Geographic Reach
1 country

1 active site

Status
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 Progress24%
May 2025Jun 2029

First Submitted

Initial submission to the registry

January 11, 2024

Completed
11 days until next milestone

First Posted

Study publicly available on registry

January 22, 2024

Completed
1.3 years until next milestone

Study Start

First participant enrolled

May 19, 2025

Completed
3.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2028

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2029

Last Updated

January 26, 2026

Status Verified

January 1, 2026

Enrollment Period

3.5 years

First QC Date

January 11, 2024

Last Update Submit

January 22, 2026

Conditions

Keywords

EscitalopramSSRIAdults

Outcome Measures

Primary Outcomes (1)

  • Total number of severe asthma exacerbations

    A count outcome variable capturing the total number of severe asthma exacerbations. Severe asthma exacerbations will be defined by the use of oral corticosteroids ≥ 3 days, or hospitalization or emergency department visit leading to treatment with systemic glucocorticoids

    24 weeks

Secondary Outcomes (1)

  • Asthma Control Questionnaire (ACQ)

    24 weeks

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Participants will receive an inactive placebo by mouth using the same administration schedule as for escitalopram.

Drug: Placebo

Escitalopram

ACTIVE COMPARATOR

Participants will take oral escitalopram 10 mg per day for two weeks, followed by oral escitalopram 20 mg per day for 22 weeks. Participants will take oral escitalopram 10 mg per day for one week at the final study visit.

Drug: Escitalopram

Interventions

Escitalopram is an FDA-approved SSRI antidepressant that is administered by mouth

Escitalopram

Inactive placebo comparator

Placebo

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Moderate to severe persistent asthma
  • Treatment with medium to high dose ICS and LABA therapy
  • Three or more severe asthma exacerbations (requiring ≥ 3 days of systemic corticosteroids) in the past year
  • Age 18-75 years old, male or female sex, English or Spanish speaking
  • Participants will be required to be clinically stable with no recent exacerbations, infections or changes in asthma controller therapy for at least 4 weeks before study entry
  • Biologic therapy for asthma (e.g., omalizumab, mepolizumab, reslizumab, benralizumab, dupilumab, tezepelumab) will be allowed if started at least 6 months prior to randomization

You may not qualify if:

  • Current substance use disorder and/or current tobacco use or greater than 10 pack-years lifetime use
  • A current MDD episode as well as bipolar disorder, schizophrenia, or schizoaffective disorder
  • Vulnerable populations including intellectual disability or other severe cognitive impairment, inmates, pregnant or nursing women or women of childbearing age who will not use UT Southwestern IRB-approved methods of birth control or abstinence during the study
  • Currently taking an antidepressant (antidepressants that are not SSRIs nor SNRIs prescribed for an indication other than depression at subtherapeutic doses are acceptable)
  • High risk for suicide defined as \> 1 past suicide attempts or any attempt within the past 12 months
  • Severe or life-threatening medical illness that would make completion of study unlikely or clinically significant laboratory or ECG findings at baseline

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

UT Southwestern, 1440 Empire Central, Ste. LD4.100

Dallas, Texas, 75247, United States

RECRUITING

MeSH Terms

Conditions

Asthma

Interventions

Escitalopram

Condition Hierarchy (Ancestors)

Bronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveLung DiseasesRespiratory HypersensitivityHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Intervention Hierarchy (Ancestors)

PropylaminesAminesOrganic ChemicalsNitrilesBenzofuransHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Sherwood Brown, M.D, Ph.D, MBA

    UTSW Medical Center

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
A randomization list will be maintained in a password-protected folder by an unblinded staff member with no participant contact and by the investigational pharmacy.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: This study is a two-arm, 26-week, randomized, single-center, double-blind, parallel group trial designed to evaluate the efficacy of treatment with escitalopram vs. placebo to reduce asthma exacerbations in n = 105 participants, ages 18-75 years, with moderate-to-severe asthma.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

January 11, 2024

First Posted

January 22, 2024

Study Start

May 19, 2025

Primary Completion (Estimated)

December 1, 2028

Study Completion (Estimated)

June 1, 2029

Last Updated

January 26, 2026

Record last verified: 2026-01

Data Sharing

IPD Sharing
Will not share

Locations