NCT03813121

Brief Summary

This proposal will obtain preliminary data on the effect of a single sub-anesthetic dose of a sedative on cigarette craving and smoking behavior as well as measuring tolerability and acceptability.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
10

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Jun 2019

Typical duration for phase_1

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

January 18, 2019

Completed
5 days until next milestone

First Posted

Study publicly available on registry

January 23, 2019

Completed
4 months until next milestone

Study Start

First participant enrolled

June 1, 2019

Completed
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 31, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2021

Completed
9 months until next milestone

Results Posted

Study results publicly available

June 2, 2022

Completed
Last Updated

October 6, 2022

Status Verified

August 1, 2022

Enrollment Period

2.3 years

First QC Date

January 18, 2019

Results QC Date

April 11, 2022

Last Update Submit

September 28, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Side Effects

    drug side effects scale: severity scale from 1 (not at all) to 7 (extremely) for symptoms of nausea, dizziness, sleepiness, strange thoughts, hallucinations, confusion, anxiousness, and headache. The average score across all side effects is reported.

    about 1 week post infusion

Study Arms (3)

midazolam intravenous infusion

EXPERIMENTAL

single midazolam infusion (0.02 mg/kg over 20 minutes)

Drug: midazolam intravenous infusion

placebo intravenous infusion

PLACEBO COMPARATOR

single placebo infusion (saline over 20 minutes)

Drug: placebo intravenous infusion

ketamine intravenous infusion

EXPERIMENTAL

single ketamine infusion (0.5 mg/kg over 20 minutes)

Drug: ketamine intravenous infusion

Interventions

Participants will receive a single drug infusion

midazolam intravenous infusion

Participants will receive a single placebo infusion

placebo intravenous infusion

Participants will receive a single drug infusion

ketamine intravenous infusion

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • smoke at least 5 cigarettes per day
  • smoked at least 2 years
  • negative urine drug screen for psychoactive drugs and negative breath alcohol concentration
  • live in Little Rock AR or surrounding area

You may not qualify if:

  • unstable or stable medical condition that would interact with study medication or participation
  • serious head trauma or neurological disorder
  • hypertension, abnormal ECG or metabolic blood results
  • meet criteria for psychosis, schizophrenia, major depressive disorder, or bipolar disorder
  • use of psychoactive drugs or medications
  • BMI \> 40
  • among women, pregnancy or breastfeeding

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Arkansas for Medical Sciences

Little Rock, Arkansas, 72205, United States

Location

MeSH Terms

Conditions

Tobacco Use Disorder

Condition Hierarchy (Ancestors)

Substance-Related DisordersChemically-Induced DisordersMental Disorders

Limitations and Caveats

The planned enrollment was 12 people. Investigator decided to complete the study early at 10 people because the principal investigator was leaving the institution and the logistics of running this remotely were too difficult. The last participant's last visit occurred, no new subjects were enrolled

Results Point of Contact

Title
Dr. Merideth Addicott
Organization
Wake Forest University School of Medicine

Study Officials

  • Merideth Addicott, PhD

    University of Arkansas

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
single-blind
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 18, 2019

First Posted

January 23, 2019

Study Start

June 1, 2019

Primary Completion

August 31, 2021

Study Completion

August 31, 2021

Last Updated

October 6, 2022

Results First Posted

June 2, 2022

Record last verified: 2022-08

Data Sharing

IPD Sharing
Will not share

Locations