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Completed Phase 2 Interventional Results available

Clinical Outcomes in Narcolepsy and Cataplexy: An Evaluation of Reboxetine Treatment (CONCERT)

ClinicalTrials.gov ID: NCT03881852

Public ClinicalTrials.gov record NCT03881852. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multi-center, Randomized, Double-blind, Placebo-controlled, 3-Week Crossover Study to Assess the Efficacy and Safety of AXS-12 in Subjects With Cataplexy and Excessive Daytime Sleepiness in Narcolepsy

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

CONCERT (Clinical Outcomes in Narcolepsy and Cataplexy: An Evaluation of Reboxetine Treatment) is a Phase 2, double-blind, randomized, placebo-controlled, crossover, multicenter trial of AXS-12 in patients with narcolepsy. Subjects meeting the entry criteria will be randomized in a 1:1 ratio either to placebo for three weeks followed by AXS-12 (up to 10 mg daily) for three weeks, or to AXS-12 (up to 10 mg daily) for three weeks followed by placebo for three weeks. Efficacy assessments will include the frequency of cataplexy attacks, and measures of other symptoms of narcolepsy.

Study identification

NCT ID
NCT03881852
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Enrollment
21 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 5, 2019 (Actual)
Primary completion
Nov 27, 2019 (Actual)
Completion
Nov 27, 2019 (Actual)
Last update posted
Jun 15, 2026

2019

United States locations

U.S. sites
14
U.S. states
11
U.S. cities
14
Facility City State ZIP Site status
CONCERT Study Site Birmingham Alabama 35213 —
CONCERT Study Site Alameda California 94501 —
CONCERT Study Site Santa Ana California 92705 —
CONCERT Study Site Boulder Colorado 80301 —
CONCERT Study Site Miami Florida 33126 —
CONCERT Study Site Gainesville Georgia 30501 —
CONCERT Study Site Stockbridge Georgia 30281 —
CONCERT Study Site Fort Wayne Indiana 46804 —
CONCERT Study Site Chevy Chase Maryland 20815 —
CONCERT Study Site The Bronx New York 10467 —
CONCERT Study Site Cincinnati Ohio 45219 —
CONCERT Study Site Columbia South Carolina 29201 —
CONCERT Study Site Austin Texas 78731 —
CONCERT Study Site San Antonio Texas 78229 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03881852, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 15, 2026 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03881852 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →