← Back to Search

Norepinephrine Transport Inhibitor

Atomoxetine for Fainting (Vasovagal Syncope) (POST7 Trial)

Phase 3
Recruiting
Research Sponsored by University of Calgary
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
At least 2 vasovagal syncope spells in the preceding 12 months
At least 18 years old with informed consent
Must not have
Pheochromocytoma
Other cause of syncope
Timeline
Screening 3 weeks
Treatment Varies
Follow Up every 6 months of the study up to 12 months
Awards & highlights
Pivotal Trial

Summary

This trial is testing whether atomoxetine, a drug used to treat attention deficit disorder, can prevent fainting in people with recurrent vasovagal syncope.

Who is the study for?
This trial is for adults who've fainted at least twice in the past year due to vasovagal syncope, as defined by American College of Cardiology Guidelines. Participants must be over 18 and score at least -2 on a specific Syncope Symptom Score. Those with uncontrolled blood pressure or thyroid issues, pacemakers, certain eye conditions, or taking conflicting medications cannot join.
What is being tested?
The study tests if Atomoxetine Hydrochloride (40 mg twice daily) can prevent fainting in people with recurrent vasovagal syncope compared to a placebo. It's a double-blind crossover trial where patients switch between the drug and placebo after six months with a one-week break in between.
What are the potential side effects?
While not specified here, common side effects of Atomoxetine may include dry mouth, nausea, decreased appetite, dizziness, trouble sleeping and mood swings. Side effects vary from person to person.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I have fainted at least twice in the last year.
Select...
I am over 18 and understand the details of the trial.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
Select...
I have been diagnosed with pheochromocytoma.
Select...
I have experienced fainting due to reasons other than my heart.
Select...
I have a significant heart condition.
Select...
My thyroid is overactive and not controlled by medication.
Select...
I have been diagnosed with Orthostatic Hypotension or POTS after a stand test.
Select...
I have taken a monoamine oxidase inhibitor recently.
Select...
I have used atomoxetine for fainting spells before.
Select...
My high blood pressure is not under control.
Select...
I have glaucoma.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~every 6 months of the study up to 12 months
This trial's timeline: 3 weeks for screening, Varies for treatment, and every 6 months of the study up to 12 months for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
The measure will be the proportion of patients having at least one syncope recurrence.
Secondary study objectives
EQ-5D-3L
Generalized Anxiety Disorder score
Hospital Anxiety and Depression Scale (HADS)
+3 more

Awards & Highlights

Pivotal Trial
The final step before approval, pivotal trials feature drugs that have already shown basic safety & efficacy.

Trial Design

2Treatment groups
Active Control
Placebo Group
Group I: AtomoxetineActive Control1 Intervention
Atomoxetine 40 mg PO BID (morning and late afternoon) Dosing will start at 40 mg daily for 3 days1 week, followed by a forced titration to 40 mg BID, as per the FDA label for atomoxetine.
Group II: PlaceboPlacebo Group1 Intervention
Matching placebo will be identical in appearance to the active treatment pill. BID (morning and late afternoon)

Find a Location

Who is running the clinical trial?

University of CalgaryLead Sponsor
811 Previous Clinical Trials
889,396 Total Patients Enrolled

Media Library

Atomoxetine Hydrochloride (Norepinephrine Transport Inhibitor) Clinical Trial Eligibility Overview. Trial Name: NCT05159687 — Phase 3
Fainting Research Study Groups: Placebo, Atomoxetine
Fainting Clinical Trial 2023: Atomoxetine Hydrochloride Highlights & Side Effects. Trial Name: NCT05159687 — Phase 3
Atomoxetine Hydrochloride (Norepinephrine Transport Inhibitor) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05159687 — Phase 3
~67 spots leftby Sep 2026