Last reviewed · How we verify
NCT03209531
Conditioning Brain Responses to Improve Thigh Muscle Function After Anterior Cruciate Ligament Reconstruction
NA trial testing Operant Conditioning in Anterior Cruciate Ligament Injury in 11 participants. Completed in 24 November 2025.
24 November 2025
Quick facts
| Lead sponsor | University of Michigan |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 11 |
| Start date | 21 September 2017 |
| Primary completion | 24 November 2025 |
| Estimated completion | 24 November 2025 |
| Sites | 1 location across United States |
Drugs / interventions tested
- Operant Conditioning
- Control
- Single Pulse Transcranial Magnetic Stimulation
Conditions studied
- Anterior Cruciate Ligament Injury — all drugs for Anterior Cruciate Ligament Injury →
Sponsor
University of Michigan
Who can join
Adults 18 to 45, any sex, with Anterior Cruciate Ligament Injury. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The purpose of this study is to examine if thigh muscle weakness and the lack of muscle activation that accompanies ACL injury can be improved through a form of mental coaching and encouragement, known as operant conditioning.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Conditioning Brain Responses to Improve Quadriceps Function in an Individual With Anterior Cruciate Ligament Reconstruction.
Krishnan C, Washabaugh EP, Dutt-Mazumder A, Brown SR, et al · · 2019 · cited 16× · PMID 30951444 · DOI 10.1177/1941738119835163
Verify or expand the search:
- PubMed search for NCT03209531
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other trials of Operant Conditioning
Trials testing the same drug.
- NCT05519345 — Operant Conditioning After ACL Reconstruction · NA · completed
- NCT04286191 — Physiological Changes Induced Through MEP Conditioning in People With SCI · NA · completed
Other recruiting trials for Anterior Cruciate Ligament Injury
Currently open trials in the same condition.
- NCT06357091 — ACL Reconstruction With Shark Screw® or Biocomposite-interference Screws · NA · recruiting
- NCT05527171 — Virtual Reality Mindfulness Meditation After ACL Reconstruction · NA · recruiting
- NCT03935750 — STABILITY 2: Anterior Cruciate Ligament Reconstruction +/- Lateral Tenodesis With Patellar vs Quad Tendon · NA · active not recruiting
- NCT03348995 — The BEAR III Trial for Bridge-Enhanced ACL (Anterior Cruciate Ligament) Restoration · NA · active not recruiting
Other University of Michigan trials
Trials by the same sponsor.
- NCT07536919 — Integrating Care for Hypertension-Diabetes MULTImorbidity in Guatemala Through HEARTS Implementation · NA · not yet recruiting
- NCT05509842 — Function-based Accelerated Stimulation Therapy (FAST-therapy) for Freezing of Gait (FOG) After Parkinson's Disease (PD) · NA · not yet recruiting
- NCT06311188 — Exploring PTSD Symptoms, Barriers and Facilitators to Mindfulness · NA · not yet recruiting
- NCT07471646 — Effects of Ramadan Fasting With Exercise on Cardiometabolic Health · NA · not yet recruiting
- NCT06671925 — A Community Health Worker-Led Program for Chronic Pain and Loneliness in Older Adults · NA · recruiting
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT03209531 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by University of Michigan
- Last refreshed: 26 November 2025
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03209531.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing