NCT03471767

Brief Summary

This research study is designed with the purpose of evaluating a new drug, combination Dextromethorphan-Bupropion (AXS-05), for its effects on smoking behavior.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
58

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Mar 2018

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 19, 2018

Completed
2 days until next milestone

First Posted

Study publicly available on registry

March 21, 2018

Completed
4 days until next milestone

Study Start

First participant enrolled

March 25, 2018

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2019

Completed
3.5 years until next milestone

Results Posted

Study results publicly available

October 12, 2022

Completed
Last Updated

December 19, 2022

Status Verified

December 1, 2022

Enrollment Period

1 year

First QC Date

March 19, 2018

Results QC Date

March 30, 2022

Last Update Submit

December 15, 2022

Conditions

Keywords

Smoking cessationNicotine dependenceBupropionDXMNicotine addictionCigarette smokingDextromethorphan

Outcome Measures

Primary Outcomes (2)

  • Change in Smoking Intensity

    Smoking intensity refers to the number of cigarettes smoked per day.

    Baseline (V1), 3-Week Follow-Up Visit (V4)

  • Percentage of Participants Who Experienced a More Than 50% Reduction in Expired Carbon Monoxide (CO) Levels

    A biochemical marker of smoking intensity.

    Baseline (V1), 3-Week Follow-Up Visit (V4)

Secondary Outcomes (5)

  • Change in Smoking Behavior

    3-Week Follow-Up Visit (V4), 4-Week Follow-Up Visit (V5)

  • Medication Adherence

    Baseline (V1), 3-Week Follow-Up Visit (V4)

  • Medication Tolerance by Self-Reported Side Effects

    Baseline (V1), 3-Week Follow-Up Visit (V4)

  • Medication Tolerance by Serious Adverse Events

    Baseline (V1), 4-Week Follow-Up Visit (V5)

  • Urinary Levels of Dextromethorphan

    3-Week Follow-Up Visit (V4)

Study Arms (2)

AXS-05

EXPERIMENTAL

Participants will receive AXS-05 (Dextromethorphan Immediate Release + Bupropion Sustained Release) for 4 weeks and will be instructed to take 1 tablet two times per day, at least 8 hours apart and 1 hour prior to a meal, and 2 hours after a meal.

Drug: AXS-05

Bupropion SR

ACTIVE COMPARATOR

Participants will receive Bupropion SR (Bupropion Sustained Release) for 4 weeks and will be instructed to take 1 tablet two times per day, at least 8 hours apart and 1 hour prior to a meal, and 2 hours after a meal.

Drug: Bupropion SR

Interventions

AXS-05DRUG

Dextromethorphan Immediate Release + Bupropion Sustained Release: Take 1 tablet two times per day, at least 8 hours apart and 1 hour prior to a meal, and 2 hours after a meal.

Also known as: Bupropion/dextromethorphan
AXS-05

Bupropion Sustained Release: Take 1 tablet two times per day, at least 8 hours apart and 1 hour prior to a meal, and 2 hours after a meal.

Also known as: Wellbutrin SR, Zyban SR
Bupropion SR

Eligibility Criteria

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

You may qualify if:

  • Age 18 years or above
  • Daily smoker using 10 or more cigarettes per day
  • Willing to be smoke-free for 7 days
  • Is able to provide written informed consent (in English) to participate in the study and able to understand the procedures and study requirements.
  • Is willing to voluntarily sign and date an informed consent form that is approved by an institutional review board before the conduct of any study procedure.

You may not qualify if:

  • Current use of a smoking cessation medication (e.g. nicotine replacement, Varenicline, bupropion)
  • Current use of tobacco product other than cigarettes (e.g. e-cigarettes, smokeless tobacco)
  • Not pregnant or breastfeeding
  • Contraindication to the use of bupropion.
  • Additional criteria may apply.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Duke Center for Smoking Cessation

Durham, North Carolina, 27705, United States

Location

MeSH Terms

Conditions

Smoking CessationCigarette SmokingTobacco Use Disorder

Interventions

BupropionDextromethorphan

Condition Hierarchy (Ancestors)

Health BehaviorBehaviorTobacco SmokingSmokingTobacco UseSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

PropiophenonesKetonesOrganic ChemicalsMorphinansOpiate AlkaloidsAlkaloidsHeterocyclic CompoundsHeterocyclic Compounds, Bridged-RingHeterocyclic Compounds, 4 or More RingsHeterocyclic Compounds, Fused-RingPhenanthrenesPolycyclic Aromatic HydrocarbonsPolycyclic Compounds

Results Point of Contact

Title
James Davis, MD
Organization
Duke University

Study Officials

  • James M Davis, MD

    Duke Cancer Institute

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Participants are randomized to either take AXS-05 or BUP SR in parallel for the duration of the study.
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Medical Director, Duke Center for Smoking Cessation

Study Record Dates

First Submitted

March 19, 2018

First Posted

March 21, 2018

Study Start

March 25, 2018

Primary Completion

March 31, 2019

Study Completion

March 31, 2019

Last Updated

December 19, 2022

Results First Posted

October 12, 2022

Record last verified: 2022-12

Locations