NCT04058717

Brief Summary

This study aims to determine the health effects of very low nicotine content in cigarettes, in conjunction with the availability of nicotine-containing electronic cigarettes (e-cigs) among smokers with mental health conditions (SMHC).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
88

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jun 2021

Typical duration for not_applicable

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

August 14, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 15, 2019

Completed
1.8 years until next milestone

Study Start

First participant enrolled

June 1, 2021

Completed
3.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 15, 2024

Completed
28 days until next milestone

Study Completion

Last participant's last visit for all outcomes

August 12, 2024

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

September 11, 2025

Completed
Last Updated

September 11, 2025

Status Verified

August 1, 2025

Enrollment Period

3.1 years

First QC Date

August 14, 2019

Results QC Date

July 14, 2025

Last Update Submit

August 22, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Urinary NNAL (4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol)

    Measure of tobacco-specific nitrosamine

    Week 16

Secondary Outcomes (5)

  • Exhaled Carbon Monoxide

    Week 16

  • Kessler-6 Score

    Week 16

  • Penn State Cigarette Dependence Index

    Week 16

  • Penn State Electronic Cigarette Dependence Index

    Week 16

  • Cigarette Abstinence

    Week 20

Study Arms (4)

NNC cigarettes + High Nicotine Containing E-cigarette

EXPERIMENTAL

Participants are provided with normal nicotine content (NNC) cigarettes (11.6 mg nicotine/cigarette) plus e-cigarette with high nicotine e-liquid.

Other: Normal Nicotine Content research cigarettesOther: High Nicotine e-cigarette

NNC cigarettes + Zero Nicotine Containing E-cigarette

EXPERIMENTAL

Participants are provided with normal nicotine content (NNC) cigarettes (11.6 mg nicotine/cigarette) plus e-cigarette with zero nicotine e-liquid.

Other: Normal Nicotine Content research cigarettesOther: Zero Nicotine e-cigarette

VLNC cigarettes + High Nicotine Containing E-cigarette

EXPERIMENTAL

Participants are provided with very low nicotine content (VLNC) cigarettes (0.2 mg nicotine/cigarette) plus e-cigarette with high nicotine e-liquid.

Other: High Nicotine e-cigaretteOther: Very Low Nicotine Content research cigarettes

VLNC cigarettes + Zero Nicotine Containing E-cigarette

EXPERIMENTAL

Participants are provided with very low nicotine content (VLNC) cigarettes (0.2 mg nicotine/cigarette) plus e-cigarette with zero nicotine e-liquid

Other: Very Low Nicotine Content research cigarettesOther: Zero Nicotine e-cigarette

Interventions

Research cigarettes with 11.6 mg nicotine/cigarette.

NNC cigarettes + High Nicotine Containing E-cigaretteNNC cigarettes + Zero Nicotine Containing E-cigarette

E-cigarette containing high nicotine e-liquid

NNC cigarettes + High Nicotine Containing E-cigaretteVLNC cigarettes + High Nicotine Containing E-cigarette

Research cigarettes with 0.2 mg nicotine/cigarette.

VLNC cigarettes + High Nicotine Containing E-cigaretteVLNC cigarettes + Zero Nicotine Containing E-cigarette

E-cigarette containing zero nicotine e-liquid

NNC cigarettes + Zero Nicotine Containing E-cigaretteVLNC cigarettes + Zero Nicotine Containing E-cigarette

Eligibility Criteria

Age21 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Smoke \>5 cigarettes per day for at least the prior 12 months
  • Smoke regular, filtered cigarettes or machine-rolled cigarettes with a filter
  • Exhaled CO measurement of ≥ 6 parts per million at baseline
  • No serious cigarette smoking quit attempt or use of any FDA-approved smoking cessation medication in the prior 30 days (includes any nicotine replacement, varenicline, bupropion \[used specifically as a quitting aid\])
  • No plans to quit smoking within the next 3 weeks
  • Must be willing to both switch to a different type of cigarette that may contain a different amount of nicotine and to try an e-cig to substitute for some of their cigarettes
  • Must be willing and able to respond to contacts from study staff or attend visits over the study period (not planning to move, not planning extended vacation, no planned surgeries)
  • \. Must meet lifetime diagnostic criteria for a current or lifetime unipolar or bipolar mood disorder (e.g. major depressive disorder, major depressive episode, manic episode, hypomanic episode, bipolar disorder), an anxiety disorder (e.g. panic disorder, obsessive-compulsive disorder, post-traumatic stress disorder, , agoraphobia, social anxiety disorder, generalized anxiety disorder), a psychotic disorder (e.g. mood disorder or other psychotic disorder), or an eating disorder (e.g. anorexia or bulimia) based on the MINI-International Neuropsychiatric Interview Standard (MINI) (version 7.0.2)
  • Able to read and write in English
  • Able to understand and give informed consent
  • Access to a computer/smartphone with e-mail and a reliable internet connection

You may not qualify if:

  • Women who are pregnant and/or nursing or trying to become pregnant
  • Unstable or significant medical condition in the past 3 months (e.g., recent heart attack or other serious heart condition, stroke, severe angina, high blood pressure \[systolic \>159 mmHg or diastolic \>99 mmHg during screening)
  • Respiratory diseases (e.g., exacerbations of asthma or COPD, require oxygen, require oral prednisone), kidney (e.g., dialysis) or liver disease (e.g., cirrhosis), severe immune system disorders (e.g., uncontrolled HIV/AIDS, multiple sclerosis symptoms) or any medical disorder/medication that may affect participant safety or biomarker data
  • Uncontrolled mental illness or substance abuse, or inpatient treatment for these in the past 6 months
  • Current suicide risk on clinical assessment (above "low risk" score (or ≥ 9) on MINI diagnostic interview suicide module during screening (34))
  • Use of any non-cigarette nicotine delivery product (e.g., pipe, cigar, dip, chew, snus, hookah, e-cig, strips or sticks, IQOS) in the past 7 days at screening
  • Use of an e-cig for 5 or more days in the past 28 days or any use in the past 7 days at screening
  • Use of marijuana or other illegal drugs/prescription drugs for non-medical use daily/almost daily or weekly in the past 3 months per NIDA Quick Screen
  • Any known allergy to propylene glycol or vegetable glycerin
  • Surgery requiring general anesthesia in the past 6 weeks
  • Unwilling to remain on one flavor of cigarette (regular or menthol) for the duration of the trial
  • Previous use of SPECTRUM research cigarettes in the past 6 months
  • Other member of household currently participating in the study
  • History of a seizure disorder or had a seizure in the past 12 months

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Penn State College of Medicine

Hershey, Pennsylvania, 17033, United States

Location

MeSH Terms

Conditions

Tobacco Use Disorder

Condition Hierarchy (Ancestors)

Substance-Related DisordersChemically-Induced DisordersMental Disorders

Results Point of Contact

Title
Nicolle Krebs
Organization
Penn State College of Medicine

Study Officials

  • Jonathan Foulds, PhD

    Penn State College of Medicine

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: 2 X 2 factorial design
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

August 14, 2019

First Posted

August 15, 2019

Study Start

June 1, 2021

Primary Completion

July 15, 2024

Study Completion

August 12, 2024

Last Updated

September 11, 2025

Results First Posted

September 11, 2025

Record last verified: 2025-08

Data Sharing

IPD Sharing
Will not share

Locations