NCT05102123

Brief Summary

PREVENT is a multicentre, 2x2 factorial, randomized clinical trial that aims to determine the effect of cytisine versus placebo, as well as the effect of video messaging to support smoking cessation versus standard of care in perioperative patients. This trial aims to investigate the effects of cytisine and text messaging on 6-month continuous abstinence rates. PREVENT will also assess secondary outcomes at 30 days, 56 days and 6 months post-randomization: 7-day point prevalence abstinence, urge to smoke, time to first lapse, time to relapse, number of cigarettes smoking if still smoking, pulmonary complications, vascular complications, wound and infectious complications, stroke, time in hospital and acute hospital care.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
1,720

participants targeted

Target at P75+ for phase_3

Timeline
8mo left

Started Jan 2024

Typical duration for phase_3

Geographic Reach
1 country

4 active sites

Status
active not recruiting

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 Progress78%
Jan 2024Jan 2027

First Submitted

Initial submission to the registry

October 19, 2021

Completed
13 days until next milestone

First Posted

Study publicly available on registry

November 1, 2021

Completed
2.2 years until next milestone

Study Start

First participant enrolled

January 15, 2024

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2026

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2027

Last Updated

October 3, 2024

Status Verified

October 1, 2024

Enrollment Period

2.5 years

First QC Date

October 19, 2021

Last Update Submit

October 1, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Smoking Cessation

    complete abstinence (smoking not more than 5 cigarettes) beginning on day 5 post randomization and lasting until the assessment at 6 months post-randomization with biochemical verification for those who report abstinence, using exhaled breath carbon monoxide (cut-off \<10 parts per million \[ppm\]) measured with a carbon monoxide (CO) monitor

    6 months

Secondary Outcomes (18)

  • 7-day point-prevalence abstinence at 30 days

    30 days

  • 7-day point-prevalence abstinence at 56 days

    56-days

  • 7-day point-prevalence abstinence at 6-months

    6-months

  • Urge to smoke

    baseline and 6-months

  • Number of cigarettes smoked daily if still smoking

    30 days, 56 days and 6 months

  • +13 more secondary outcomes

Other Outcomes (2)

  • Health services utilization-related costs

    6-months

  • Health-related quality of life (HRQoL)

    baseline and 6-months

Study Arms (4)

Cytisine and Video Messaging

EXPERIMENTAL

Administration of cytisine (pharmaceutical support) to patients on a set dose schedule with behavioural support through video messaging.

Drug: CytisineBehavioral: Video Messaging

Placebo and Video Messaging

PLACEBO COMPARATOR

Administration of placebo (inactive drug) to patients on a set dose schedule with behavioural support through video messaging.

Behavioral: Video Messaging

Cytisine and No Video Messaging

ACTIVE COMPARATOR

Administration of cytisine (pharmaceutical support) to patients on a set dose schedule with behavioural support according to standard care such as a phone number for a self-help line.

Drug: Cytisine

Placebo and No Video Messaging

NO INTERVENTION

Administration of placebo (inactive drug) to patients on a set dose schedule behavioural support according to standard care such as a phone number for a self-help line.

Interventions

Listed as a natural health product in Canada, cytisine is utilized to aid in smoking cessation

Cytisine and No Video MessagingCytisine and Video Messaging
Video MessagingBEHAVIORAL

Supportive messaging utilizing a video messaging platform to encourage patients to abstain from smoking throughout the treatment period.

Cytisine and Video MessagingPlacebo and Video Messaging

Eligibility Criteria

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

You may qualify if:

  • are ≥18 years of age
  • are scheduled to undergo surgery within 28 days
  • are a current smoker and not currently using any smoking cessation treatment and,
  • have a smart mobile phone with an active, up to date data plan and with internet access
  • provide informed consent to participate.

You may not qualify if:

  • are pregnant or breastfeeding or expecting to become pregnant during the study follow-up period
  • are deemed unreliable for study procedures or follow-up
  • have a documented allergic reaction to cytisine, or its components (non-medicinal ingredients) or to the non-medicinal ingredients of the placebo.
  • had myocardial infarction, unstable angina, or stroke/transient ischemic attack within the preceding 2 weeks.
  • will have surgery with expected nil intake by mouth for 2 or more days
  • have previously participated in PREVENT
  • have a known diagnosis of untreated pheochromocytoma; Schizophrenia/bipolar psychiatric illness and currently psychotic; currently having suicidal ideation or risk of suicide as determined by the site physician, known history of moderate to severe depression; currently uncontrolled severe hypertension (≥180/120 mmHg) despite treatment; known history of uncontrolled hyperthyroidism (thyrotoxicosis), severe renal impairment i.e., creatinine clearance of less than 30 ml per minute (Cockcroft- Gault equation) or receiving long-term dialysis, or known diagnosis of severe liver disease as determined by the site physician or documented in the clinical history.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (4)

Hamilton General Hospital

Hamilton, Ontario, L8L 2X2, Canada

Location

Juravinski Cancer Centre

Hamilton, Ontario, L8V 5C2, Canada

Location

Kingston Health Science Centre with its research institute Kingston General Health Research Institute

Kingston, Ontario, K7L 3N6, Canada

Location

Lawson Health Research Institute: London Health Sciences Centre Research Inc. and the Lawson Research Institute

London, Ontario, N6C 2R5, Canada

Location

MeSH Terms

Conditions

SmokingBehavior, AddictiveSmoking Cessation

Interventions

cytisine

Condition Hierarchy (Ancestors)

BehaviorCompulsive BehaviorImpulsive BehaviorHealth Behavior

Study Officials

  • Sandra Ofori, Dr.

    Population Health Research Institute

    PRINCIPAL INVESTIGATOR
  • Flavia Kessler Borges, Dr.

    Population Health Research Institute

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
FACTORIAL
Model Details: 2x2 factorial
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 19, 2021

First Posted

November 1, 2021

Study Start

January 15, 2024

Primary Completion (Estimated)

July 1, 2026

Study Completion (Estimated)

January 1, 2027

Last Updated

October 3, 2024

Record last verified: 2024-10

Data Sharing

IPD Sharing
Will not share

The Population Health Research Institute (PHRI) is the sponsor of this trial. The PHRI believes the dissemination of clinical research results is vital and sharing of data is important. PHRI prioritizes access to data analyses to researchers who have worked on the trial for a significant duration, have played substantial roles, and have participated in raising the funds to conduct the trial. PHRI balances the length of the research study, and the intellectual and financial investments that made it possible with the need to allow wider access to the data collected. Data will be disclosed only upon request and approval of the proposed use of the data by a Review Committee.

Locations