Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT03695263 · ClinicalTrials.gov registry record · NA
Massive Individualized N-of-1 Experiments (MINEs)
A NA study, sponsored by University of California, Davis.
- Completed
- Registry status
- NA
- Development phase
- 483
- Enrollment target
NCT03695263: Completed NA study, sponsored by University of California, Davis.
NCT03695263 is a NA study that has completed, run by University of California, Davis. The registered enrollment target is 483 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (66% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03695263, a NA study, has completed, sponsored by University of California, Davis.
- COMPLETED
- Registry status
- NA
- Development phase
- 483 participants
- Enrollment target
Study Summary
The project will enroll up to 10,000 adult volunteers in individualized experiments (N-of-1 trials) designed to assess the individual-level effects of any of five interventions on three outcomes. The five interventions are: gratitude journaling, mindfulness meditation, random acts of kindness, physical activity, and laughter therapy. The three outcomes are stress, cognitive focus, and happiness. Each participant will engage in the selected activity in 3 day intervals, separated at random by 3 day intervals of usual activity, for a total of six 3-day periods (18 days).
Primary Outcome
How stressed are you feeling today? (single item Likert scale).Stress will be measured using a single Likert-type question that ranges from 0-10, For stress 0 (not at all) represents a better outcome and 10 (as much as possible) represents a worse outcome.
Interventions
- BEHAVIORAL Choice of one of five behavioral interventions
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 483 participants |
| Start Date | 2019-04-15 |
| Est. Completion | 2019-12-30 |
| Phase | NA |
What the finished NCT03695263 record still lists
NCT03695263 is an interventional study that assigns participants to a tested intervention. The registered 483 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 (66% lower).
The record links to 0 conditions, and to 1 intervention - of which Choice of one of five behavioral interventions is the first listed.
NCT03695263 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03695263 about?
NCT03695263 is a clinical study titled "Massive Individualized N-of-1 Experiments (MINEs)". The project will enroll up to 10,000 adult volunteers in individualized experiments (N-of-1 trials) designed to assess the individual-level effects of any of five interventions on three outcomes. The five interventions are: gratitude journaling, mindfulness meditation, random acts of kindness, physi...
What is the current status of trial NCT03695263?
This trial is currently completed. It is a NA study. The enrollment target is 483 participants. The study started on 2019-04-15. Estimated completion is 2019-12-30.
What interventions are being tested in trial NCT03695263?
The interventions under investigation include: Choice of one of five behavioral interventions (BEHAVIORAL).
Who is sponsoring clinical trial NCT03695263?
This trial is sponsored by University of California, Davis, which has 657 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03695263's enrollment target sits among peer trials
483 216th of 2000 higher than 1,785 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
- NCT02871726 · 483 participants · NA
Transrectal Ultrasound Robot-Assisted Prostate Biopsy
- NCT05421741 · 484 participants · Phase 4
Prophylactic Antibiotic Coated Nail to Prevent Infection: A Clinical Trial
- NCT04449458 · 482 participants · NA
The Positively Quit Trial for Smoking Cessation
- NCT07079631 · 482 participants · Phase 1
A Clinical Study to Test if an Investigational Treatment Called BNT314 When Used in Combination With Another Investigational Treatment BNT327 and Chemotherapy, is Beneficial and Safe for Patients With Advanced Colorectal Cancer
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