Clinical trial NCT03843463: Escitalopram and Language Intervention for Subacute Aphasia
Official title: Escitalopram and Language Intervention for Subacute Aphasia (ELISA)
Study type: INTERVENTIONAL
Overall status: RECRUITING
Phase: PHASE2
Conditions: Aphasia
Stroke
Lead sponsor: Johns Hopkins University
Sponsor class: OTHER
Collaborators: name: University of South Carolina
name: Medical University of South Carolina
name: University of California, Irvine
name: National Institute on Deafness and Other Communication Disorders (NIDCD)
First posted: 2019-02-18
Enrollment: 88
Sex: ALL
Minimum age (years): 18
Maximum age (years): 99
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: In this project, the investigators will investigate the effects of a selective serotonin reuptake inhibitor (SSRI), escitalopram, on augmenting language therapy effectiveness, as measured by naming untrained pictures and describing pictures, in individuals with aphasia in the acute and subacute post stroke period (i.e., within three months post stroke).

Detailed description: In this project, the investigators will investigate the effects of a selective serotonin reuptake inhibitor (SSRI), escitalopram, on augmenting language therapy effectiveness, as measured by naming untrained pictures and describing pictures, in individuals with aphasia in the acute and subacute post stroke period (i.e., within three months post stroke). There has been no previous randomized controlled trial (RCT) to evaluate the effect of daily SSRI in the first three months after stroke on improvement of language in people undergoing aphasia treatment. It is plausible that SSRIs, which elevate synaptic serotonin, might enhance recovery by augmenting synaptic plasticity.

The investigators propose to conduct a Phase 2 multi-center, randomized, double blind, placebo-controlled trial of escitalopram for augmenting language intervention in subacute stroke. The investigators hypothesize that daily escitalopram for 90 days after stroke results in greater improvement (compared to placebo) in naming untrained pictures, as well as greater increase in content of picture description and greater improvement in morphosyntactic production, when combined with speech and language treatment (SALT). A second aim is to evaluate the mechanisms of language recovery in individuals who receive active medical treatment and those who receive placebo, using resting state functional magnetic resonance imaging (rsfMRI) and genetic testing. The investigators hypothesize that greater improvement in language is associated with increased connectivity within the left hemisphere language network on rsfMRI in participants who receive escitalopram than in those who receive placebo, independently of improvement in depression. The investigators also hypothesize that the effects are greatest in individuals with val/val allele of brain-derived neurotrophic factor (BDNF) - (consistent with previous studies showing a greater response to treatment and greater neuroplasticity in people with the val/val allele than those with one or more met alleles.

Eligibility criteria: Inclusion Criteria:

* Participants must have sustained an acute ischemic left hemisphere stroke.
* Participants must be fluent speakers of English by self-report.
* Participants must be capable of giving informed consent or indicating a legally authorized representative to provide informed consent.
* Participants must be age 18 or older.
* Participants must be within 5 days of onset of stroke.
* Participants must be pre-morbidly right-handed by self-report.
* Participants must have an aphasia diagnosis as confirmed by the Western Aphasia Battery-Revised (Aphasia Quotient \< 93.8).

Exclusion Criteria:

* Previous neurological disease affecting the brain including previous symptomatic stroke
* Diagnosis of schizophrenia, autism, or other psychiatric or neurological condition that affects naming/language
* A history of additional risk factors for torsades de pointes (TdP; e.g., heart failure, hypokalemia, family history of Long QT Syndrome)
* Current severe depression, defined as a score of \> 15 on the Patient Health Questionnaire (PHQ-9)
* Uncorrected visual loss or hearing loss by self-report
* Use of any medication approved by the FDA for treatment of depression at the time of stroke onset
* Concomitant use of any monoamine oxidase inhibitors (MAOIs) or pimozide, or other drugs that prolong the QT/QTc interval, triptans (and other 5-Hydroxytryptamine Receptor Agonists), or other contraindications to escitalopram that may be identified.
* A QTc greater than 450 milliseconds on electrocardiogram or evidence of hyponatremia (Na \< 130) at baseline
* Pregnancy at the time of stroke or planning to become pregnant during the study term.

Primary outcomes:
measure: Change in Philadelphia Naming Test short-form accuracy score
timeFrame: Baseline, 1 week after computer-delivered naming treatment
Secondary outcomes:
measure: Language production as assessed by lexical features of discourse in "Cookie Theft" picture description
timeFrame: Baseline, 5 weeks after computer-delivered naming treatment
measure: Language production as assessed by content units included in picture description of "Cookie Theft"
timeFrame: Baseline, 5 weeks after computer-delivered naming treatment
measure: Language production as assessed by rate of syllables per content unit produced in "Cookie Theft" picture description
timeFrame: Baseline, 5 weeks after computer-delivered naming treatment
measure: Depression as assessed by Patient Health Questionnaire (PHQ-9)
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Language production as assessed by Morphosyntactic Generation (MorGen) Test
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Stroke severity as assessed by NIH Stroke Scale (NIHSS)
timeFrame: Baseline, 5 weeks after computer-delivered naming treatment, 20 weeks after computer-delivered naming treatment
measure: Post-stroke level of disability as assessed by modified Rankin Scale (mRS)
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Stroke paresis severity as assessed by right hand strength
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Stroke paresis severity as assessed by right hand dexterity
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Change in new vocabulary items as assessed by lexical diversity included in story retelling of "Cinderella"
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Change in incidence of new vocabulary items as assessed by lexical diversity included in story retelling of "Cinderella"
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Change in language production as assessed by speech errors produced during the story retelling of "Cinderella"
timeFrame: Baseline, 1 week after computer-delivered naming treatment
measure: Change in Language production as assessed by speech pauses produced during the story retelling of "Cinderella"
timeFrame: Baseline, 1 week after computer-delivered naming treatment
Other outcomes:
Locations:
city: Baltimore
country: United States
facility: Johns Hopkins School of Medicine
state: Maryland
city: Charleston
country: United States
facility: Medical University of South Carolina
state: South Carolina
city: Columbia
country: United States
facility: University of South Carolina
state: South Carolina
Study officials:
affiliation: Johns Hopkins University
name: Argye Hillis-Trupe, MD
role: PRINCIPAL_INVESTIGATOR
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