NCT03134339

Brief Summary

The dose-effect curve to estimate a threshold delivery rate for reinforcement. The project addresses the FDA Center for Tobacco Products (CTP) interest #1: Nicotine dependence threshold among youth and adults and impact of nicotine reduction on tobacco product use behavior (e.g., topography, compensation, switching, multiple use, initiation, cessation and relapse). IV nicotine, in contrast to ECs, can deliver precise, reproducible dosing, which is necessary for accurately assessing dose-response and threshold effects. The estimated threshold for reinforcement will establish a benchmark for evaluating the addictive potential of ECs and other inhaled nicotine products.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
18

participants targeted

Target at P25-P50 for early_phase_1

Timeline
Completed

Started Jan 2017

Shorter than P25 for early_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

Study Start

First participant enrolled

January 5, 2017

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

February 6, 2017

Completed
3 months until next milestone

First Posted

Study publicly available on registry

April 28, 2017

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 29, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 29, 2018

Completed
Last Updated

October 22, 2018

Status Verified

October 1, 2018

Enrollment Period

1.1 years

First QC Date

February 6, 2017

Last Update Submit

October 19, 2018

Conditions

Keywords

nicotine, smoking

Outcome Measures

Primary Outcomes (1)

  • Peak Change on items of the Drug Effects Questionnaire (DEQ)

    The peak change in the intensity of subjective effects as measured by the DEQ

    up to 60 minutes post infusion

Study Arms (4)

saline 0.00mcg/kg/s

EXPERIMENTAL

0.00 mcg/kg/s The day order will be randomized per day

Drug: Nicotine saline 0.00mcg/kg/s

0.24mcg/kg/s

EXPERIMENTAL

0.24 mcg/kg/s The day order will be randomized per day

Drug: Nicotine 0.24 mcg/kg/s

0.048mcg/kg/s

EXPERIMENTAL

0.048 mcg/kg/s The day order will be randomized per day

Drug: Nicotine 0.048 mcg/kg/s

0.024 mcg/kg/s

EXPERIMENTAL

0.024 mcg/kg/s The day order will be randomized per day

Drug: Nicotine 0.024 mcg/kg/s

Interventions

saline 0.00mcg/kg/s

Also known as: nicotine infusion
saline 0.00mcg/kg/s

nicotine 0.24 mcg/kg/s

Also known as: nicotine infusion
0.24mcg/kg/s

nicotine 0.048 mcg/kg/s

Also known as: nicotine infusion
0.048mcg/kg/s

nicotine 0.024 mcg/kg/s

Also known as: nicotine infusion
0.024 mcg/kg/s

Eligibility Criteria

Age18 Years - 30 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Female and male smokers that smoke ≥ 5 cigarettes per day for the past year
  • aged 18 to 30 years
  • urine cotinine levels \> 100 ng/mL consistent with nicotine intake of an active smoker (23)
  • not seeking treatment at the time of the study for nicotine dependence
  • in good health as verified by medical history, screening examination, and screening laboratory tests
  • for women, not pregnant as determined by pregnancy screening, nor breast feeding, and using acceptable birth control methods.

You may not qualify if:

  • history of major medical or psychiatric disorders that the physician investigator deems as contraindicated for the subject to be in the study
  • regular use of psychotropic medication (antidepressants, antipsychotics, or anxiolytics)
  • current alcohol or substance dependence for any other recreational or prescription drugs other than nicotine
  • urine drug screening indicating recent illicit drugs use (with the exception of marijuana).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

VA Hospital

West Haven, Connecticut, 06516, United States

Location

MeSH Terms

Conditions

Smoking

Interventions

Nicotine

Condition Hierarchy (Ancestors)

Behavior

Intervention Hierarchy (Ancestors)

Solanaceous AlkaloidsAlkaloidsHeterocyclic CompoundsPyridinesHeterocyclic Compounds, 1-Ring

Study Officials

  • Kevin Jensen, Ph.D.

    Yale University

    PRINCIPAL INVESTIGATOR
  • Mehmet Sofuoglu, M.D.,Ph.D.

    Yale University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
Participant and Investigator will not know nicotine dose or rate of infusion.
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Model Details: The effects of different IV nicotine delivery rates of (saline), 0.24, 0.048 and 0.024 mcg/kg/s), as a within-subject factor, on peak change in the intensity of subjective effects as measured by the DEQ, will be used as a measured of a reinforcing threshold.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
The effect of nicotine delivery rate on reinforcement

Study Record Dates

First Submitted

February 6, 2017

First Posted

April 28, 2017

Study Start

January 5, 2017

Primary Completion

January 29, 2018

Study Completion

January 29, 2018

Last Updated

October 22, 2018

Record last verified: 2018-10

Data Sharing

IPD Sharing
Will not share

Locations