Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT02599571 · ClinicalTrials.gov registry record · NA
Effects of Nicotine Reduction on Smoking Behavior in ADHD Smokers
A NA study, sponsored by Duke University.
- Terminated
- Registry status
- NA
- Development phase
- 71
- Enrollment target
NCT02599571: Clinical Trial NA study, sponsored by Duke University.
NCT02599571 is a NA study that was terminated before completion, run by Duke University. The registered enrollment target is 71 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (95% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT02599571, a NA study, was terminated before completion, sponsored by Duke University.
- TERMINATED
- Registry status
- NA
- Development phase
- 71 participants
- Enrollment target
Study Summary
The purpose of this study is to investigate the impact of different nicotine levels in cigarettes with individuals who have ADHD.
Primary Outcome
Self-reported number of cigarettes smoked per day
Interventions
- OTHER Very low nicotine content cigarettes
- OTHER Conventional nicotine content cigarettes
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 71 participants |
| Start Date | 2016-03-30 |
| Est. Completion | 2019-09-12 |
| Phase | NA |
Why NCT02599571 stopped before completion
NCT02599571 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 71 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (95% lower).
The record links to 0 conditions, and to 2 interventions - of which Very low nicotine content cigarettes is the first listed.
NCT02599571 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT02599571 about?
NCT02599571 is a clinical study titled "Effects of Nicotine Reduction on Smoking Behavior in ADHD Smokers". The purpose of this study is to investigate the impact of different nicotine levels in cigarettes with individuals who have ADHD.
What is the current status of trial NCT02599571?
This trial is currently terminated. It is a NA study. The enrollment target is 71 participants. The study started on 2016-03-30. Estimated completion is 2019-09-12.
What interventions are being tested in trial NCT02599571?
The interventions under investigation include: Very low nicotine content cigarettes (OTHER), Conventional nicotine content cigarettes (OTHER).
Who is sponsoring clinical trial NCT02599571?
This trial is sponsored by Duke University, which has 1,725 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT02599571's enrollment target sits among peer trials
71 1102nd of 2000 higher than 898 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT05452889 · 71 participants · Early Phase 1
PET Image in PAH Patients
- NCT05766943 · 71 participants · NA
Reduction of Myopotential Interference With Smart Pass in S-ICD Patients
- NCT06229678 · 71 participants · Early Phase 1
Ketones, SGLT2, HFrEF
- NCT06377566 · 71 participants · Phase 2
A Study of BV-AVD in People With Bulky Hodgkin Lymphoma
Similar registry start date
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia
- NCT07125183 · started 2026-12 · Phase 2
Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma
- NCT07292298 · started 2026-11 · Phase 2
Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates
- NCT04263285 · started 2026-10 · NA
Treatment of Depression Post-SCI