Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT01970631 · ClinicalTrials.gov registry record · NA
The Study of Physical Activity Rewards After Knee Surgery
A NA study, sponsored by Brigham and Women's Hospital.
- Completed
- Registry status
- NA
- Development phase
- 202
- Enrollment target
NCT01970631: Completed NA study, sponsored by Brigham and Women's Hospital.
NCT01970631 is a NA study that has completed, run by Brigham and Women's Hospital. The registered enrollment target is 202 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (86% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01970631, a NA study, has completed, sponsored by Brigham and Women's Hospital.
- COMPLETED
- Registry status
- NA
- Development phase
- 202 participants
- Enrollment target
Study Summary
The objectives of this research are to conduct a proof of concept randomized controlled trial with 200 patients undergoing primary total knee replacement (TKR) at Brigham and Women's Hospital (BWH). The trial will compare levels of physical activity in subjects in the behavioral and economic interventions versus "Usual Care" post TKR.
Primary Outcome
The primary outcome is the average number of steps over 7 days as measured by accelerometer at 6 months post-TKR.
Interventions
- BEHAVIORAL Motivational Interviewing (MI)
- OTHER Financial Incentives
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 202 participants |
| Start Date | 2014-01-09 |
| Est. Completion | 2016-11-05 |
| Phase | NA |
What the finished NCT01970631 record still lists
NCT01970631 is an interventional study that assigns participants to a tested intervention. The registered 202 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 (86% lower).
The record links to 0 conditions, and to 2 interventions - of which Motivational Interviewing (MI) is the first listed.
NCT01970631 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01970631 about?
NCT01970631 is a clinical study titled "The Study of Physical Activity Rewards After Knee Surgery". The objectives of this research are to conduct a proof of concept randomized controlled trial with 200 patients undergoing primary total knee replacement (TKR) at Brigham and Women's Hospital (BWH). The trial will compare levels of physical activity in subjects in the behavioral and economic interve...
What is the current status of trial NCT01970631?
This trial is currently completed. It is a NA study. The enrollment target is 202 participants. The study started on 2014-01-09. Estimated completion is 2016-11-05.
What interventions are being tested in trial NCT01970631?
The interventions under investigation include: Motivational Interviewing (MI) (BEHAVIORAL), Financial Incentives (OTHER).
Who is sponsoring clinical trial NCT01970631?
This trial is sponsored by Brigham and Women's Hospital, which has 937 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01970631's enrollment target sits among peer trials
202 505th of 2000 higher than 1,495 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
- NCT05272254 · 202 participants · Phase 2
Povidone Iodine Efficacy Study
- NCT05701280 · 202 participants · NA
Pilot/Pivotal Study of DBS+Rehab After Stroke
- NCT05932589 · 202 participants
Neurophysiologic Biomarkers in Rett Syndrome
- NCT06014931 · 202 participants · NA
Telehealth-enhanced Patient-oriented Recovery Trajectory After Intensive Care
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