Low Nicotine Cigarettes Plus Electronic Cigarettes
Randomized Trial of Low Nicotine Cigarettes Plus Electronic Cigarettes in Smokers
2 other identifiers
interventional
88
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Jun 2021
Typical duration for not_applicable
1 active site
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
CompletedFirst Posted
Study publicly available on registry
August 15, 2019
CompletedStudy Start
First participant enrolled
June 1, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 15, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
August 12, 2024
CompletedResults Posted
Study results publicly available
September 11, 2025
CompletedSeptember 11, 2025
August 1, 2025
3.1 years
August 14, 2019
July 14, 2025
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
EXPERIMENTALParticipants are provided with normal nicotine content (NNC) cigarettes (11.6 mg nicotine/cigarette) plus e-cigarette with high nicotine e-liquid.
NNC cigarettes + Zero Nicotine Containing E-cigarette
EXPERIMENTALParticipants are provided with normal nicotine content (NNC) cigarettes (11.6 mg nicotine/cigarette) plus e-cigarette with zero nicotine e-liquid.
VLNC cigarettes + High Nicotine Containing E-cigarette
EXPERIMENTALParticipants are provided with very low nicotine content (VLNC) cigarettes (0.2 mg nicotine/cigarette) plus e-cigarette with high nicotine e-liquid.
VLNC cigarettes + Zero Nicotine Containing E-cigarette
EXPERIMENTALParticipants are provided with very low nicotine content (VLNC) cigarettes (0.2 mg nicotine/cigarette) plus e-cigarette with zero nicotine e-liquid
Interventions
Research cigarettes with 11.6 mg nicotine/cigarette.
E-cigarette containing high nicotine e-liquid
Research cigarettes with 0.2 mg nicotine/cigarette.
E-cigarette containing zero nicotine e-liquid
Eligibility Criteria
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
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Nicolle Krebs
- Organization
- Penn State College of Medicine
Study Officials
- PRINCIPAL INVESTIGATOR
Jonathan Foulds, PhD
Penn State College of Medicine
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
- 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