About Pricing FAQs Blog

Loading clinical trials...

Your health journey, clearly organized.

Find Clinical Trials →

Legal

Privacy Policy
Terms of Service

© 2026 Clareo Health. All rights reserved.

Back to clinical trial search

COMPLETEDNANCT05538702

Acute Oral Effects of Heated Tobacco Products

Heated tobacco products (HTP) are devices which heat, but not burn tobacco. They do not produce cigarette smoke but rather an aerosol. HTPs are marketed as less harmful alternatives to smoking. Use an...

Lead sponsor: Semmelweis University•1 locations•View source on ClinicalTrials.gov

Clareo plain-language summary

What this study is about

Generating AI summary...

Save this trial guide to your notes

Keep your clinical trial research organized — questions to ask, what to expect, and key details.

Sponsors

Lead Sponsor

Semmelweis University

Measurements of acute oral effects before and after using HTP with bland flavour (HEETS Bronze Selection), with methol flavour (HEETS Blue Selection), conventional cigarette and placebo device: measurement of exhaled CO changes by Smokerlyzer piCO measurement of oral mucosal blood flow changes by Perilam PSI System High Resolution (LASCA method) measurement of blood pressure and pulse by an automatic blood pressure monitor (Omron M2, Omron Healthcare Inc., Kyoto, Japan)

Age

18 - 49 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•age: 18-49 years
•signed consent form
•smoking regularly heated tobacco product and/or conventional cigarette for \> half year

Exclusion Criteria

•not pregnant and not planning pregnancy in the next 6 month BMI index \< 30
•no severe parodontal disease
•no acute illness in the last 2 weeks
•no chronic disease (eg.: diabetes)

Related studies

RECRUITINGEARLY Phase 1

Neurobehavioral Mechanisms Linking Childhood Adversity to Increased Risk for Smoking

NCT05665465 · Adverse Childhood Experiences, Nicotine Dependence, Cigarettes

Re-Connect Application for Smoking Cessation

NCT05224154 · Smoking Cessation, Acceptability of Health Care, and more

Not Yet RecruitingNA

AI-Enhanced App-based Intervention for Adolescent E-cigarette Cessation

NCT06965296 · Nicotine Dependence, Cigarettes

Helping Poor Smokers Quit

NCT03194958 · Smoking Cessation, Smoking, Tobacco, and more

COMPLETEDPhase 2

The Role of Nicotine Dose and Route of Delivery in Affecting Adoption of E-cigarettes and Reducing Exposure to Toxic Combustion Products

NCT03492463 · Nicotine Dependence, Cigarettes

View all related studies →

Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: November 27, 2023Terms

Trial snapshot

StatusCOMPLETED

PhaseNA

Enrollment10

Start dateOct 2021

Last updatedNov 27, 2023

Condition

Nicotine Dependence, Cigarettes

Locations shown

Semmelweis University, Department of Prosthodontics

Budapest

For caregivers

Use Clareo to keep notes, questions, trial details, and next steps organized before and after appointments.

Start free trial →

Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: November 27, 2023Data synced to Clareo: June 28, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions