NCT07625111 Effect of Smoking and Time of Day on Eosinophils
| NCT ID | NCT07625111 |
| Status | Recruiting |
| Phase | — |
| Sponsor | Marek Lommatzsch |
| Condition | Healthy |
| Study Type | INTERVENTIONAL |
| Enrollment | 20 participants |
| Start Date | 2026-02-07 |
| Primary Completion | 2026-06-30 |
Eligibility & Interventions
Eligibility Fast-Check
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What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
This trial targets 20 participants in total. It began in 2026-02-07 with a primary completion date of 2026-06-30.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
The study investigates the effect of acute smoking and time of day on blood eosinophils in chronic smokers. Chronic cigarette smokers without chronic respiratory diseases smoking at least 8 cigarettes per day and never-smoking controls are examined. Blood eosinophil counts and surface molecules are measured at 8 and 12 am in both groups. In smokers, two measurements are performed (at least 4 weeks apart): one measurement with no smoking between 8 and 12 am, and another measurement with smoking of 8 cigarettes between 8 and 12 am.
Eligibility Criteria
Inclusion Criteria: * Healthy current smokers * Age between 18-50 years * Smoking of at least 8 cigarettes/day Exclusion Criteria: * Chronic respiratory diseases * Any treatment with corticosteroids or other immunosuppressants * Any acute illness
Contact & Investigator
Frequently Asked Questions
Who can join the NCT07625111 clinical trial?
This trial is open to participants of all sexes, aged 18 Years or older, up to 50 Years, studying Healthy. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
Is NCT07625111 currently recruiting?
Yes, NCT07625111 is actively recruiting participants. Contact the research team at marek.lommatzsch@med.uni-rostock.de for enrollment information.
Where is the NCT07625111 trial being conducted?
This trial is being conducted at Rostock, Germany.
Who is sponsoring the NCT07625111 clinical trial?
NCT07625111 is sponsored by Marek Lommatzsch. The trial plans to enroll 20 participants.