Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04623736 · ClinicalTrials.gov registry record · NA

Smartphone Application Smoking Cessation Study

A NA study, sponsored by University of Virginia.

Completed
Registry status
NA
Development phase
152
Enrollment target

NCT04623736: Completed NA study, sponsored by University of Virginia.

NCT04623736 is a NA study that has completed, run by University of Virginia. The registered enrollment target is 152 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (89% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04623736, a NA study, has completed, sponsored by University of Virginia.

COMPLETED
Registry status
NA
Development phase
152 participants
Enrollment target

Study Summary

The purpose of the study is to determine if using the smartphone application quitSTART can help people quit smoking and to understand how use of specific smartphone application features when trying to quit smoking is associated with success.

Primary Outcome

"Have you smoked a cigarette (even a puff) in the past 7 days?" self-reported by the participant

Interventions

  • BEHAVIORAL quitSTART

Trial Details

FieldValue
Enrollment Target 152 participants
Start Date 2020-10-19
Est. Completion 2021-06-10
Phase NA
University of Virginia

449 total trials

What the finished NCT04623736 record still lists

NCT04623736 is an interventional study that assigns participants to a tested intervention. The registered 152 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (89% lower).

The record links to 0 conditions, and to 1 intervention - of which quitSTART is the first listed.

NCT04623736 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04623736 about?

NCT04623736 is a clinical study titled "Smartphone Application Smoking Cessation Study". The purpose of the study is to determine if using the smartphone application quitSTART can help people quit smoking and to understand how use of specific smartphone application features when trying to quit smoking is associated with success.

What is the current status of trial NCT04623736?

This trial is currently completed. It is a NA study. The enrollment target is 152 participants. The study started on 2020-10-19. Estimated completion is 2021-06-10.

What interventions are being tested in trial NCT04623736?

The interventions under investigation include: quitSTART (BEHAVIORAL).

Who is sponsoring clinical trial NCT04623736?

This trial is sponsored by University of Virginia, which has 449 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04623736's enrollment target sits among peer trials

152 658th of 2000 higher than 1,340 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

  • NCT03328078 · 152 participants · Phase 1

    CA-4948-101: Open-Label, Dose Escalation and Expansion Trial of Emavusertib (CA-4948) in Relapsed or Refractory Primary Central Nervous System Lymphoma (R/R PCNSL)

  • NCT04458532 · 152 participants · NA

    Exercise Therapy to Improve Cardiovascular Health in Post-Menopausal Women After Treatment for Early Stage Breast Cancer

  • NCT04858334 · 152 participants · Phase 2

    APOLLO: A Randomized Phase II Double-Blind Study of Olaparib Versus Placebo Following Curative Intent Therapy in Patients With Resected Pancreatic Cancer and a Pathogenic BRCA1, BRCA2 or PALB2 Mutation

  • NCT04993859 · 152 participants

    Impact of Chemotherapy on Urinary Biomarkers and Non-Invasive Urodynamics in Children

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

Source: ClinicalTrials.gov NCT04623736, the US trial registry maintained by the National Library of Medicine. NCT04623736 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.