| Completed | Developing Personalized Medicine Strategies to Increase Physical Activity in Parkinson's Disease (PD) Through Parkinson Disease | — | 2021-12-03 |
| Unknown | PRIME Care (PRecision Medicine In MEntal Health Care) 2.0 Psychiatric or Mood Diseases or Conditions | Phase 4 | 2020-06-02 |
| Recruiting | Smoking Cessation With Varenicline in Schizophrenia: Antipsychotic-Induced Neurological Symptoms as Correlates Schizophrenia, Schizoaffective Disorder, Tobacco Smoking | Phase 4 | 2019-01-01 |
| Unknown | Degenerative Nigrostriatal Dysfunction in Drug-induced Parkinsonism Secondary Parkinsonism, Parkinson's Disease | — | 2015-02-01 |
| Unknown | Treatment of Orthostatic Intolerance in Patients With Parkinson's Disease Using Midodrine Orthostatic Intolerance, Parkinson's Disease | N/A | 2014-04-01 |
| Completed | Telemedici ne Management of Veterans With Newly Diagnosed Obstructiv e Sleep Apnea (OSA) Obstructive Sleep Apnea | N/A | 2014-04-01 |
| Completed | Using Feedback Reports to Improve Medication Adherence Coronary Artery Disease, Adherence | N/A | 2014-01-01 |
| Withdrawn | Effect of Isosorbide Mononitrate on Hypertension to Improve Left Ventricular Hypertrophy, Fibrosis and Myocard Hypertension | Phase 2 | 2013-08-01 |
| Completed | Study of Default Options in Advance Directives COPD, Severe or Very Severe Airflow Obstruction and/or Receiving or Eligible to Receive Long-term Oxygen Therapy, Idiopathic Pulmonary Fibrosis | N/A | 2013-03-01 |
| Completed | Effect of Inorganic Nitrates (Beetroot Juice) on Arterial Hemodynamics and Exercise Capacity Heart Failure With Normal Ejection Fraction | Phase 2 | 2013-01-01 |
| Completed | The Effect of Family History on Insomnia During Sobriety in Alcoholics Insomnia | N/A | 2012-06-01 |
| Completed | Improving Fecal Occult Blood Test Completion Rates Among Veterans Colorectal Cancer | Phase 1 / Phase 2 | 2012-02-01 |
| Completed | Vasodilator Therapy for Heart Failure and Preserved Ejection Fraction Heart Failure, Congestive Heart Failure | Phase 2 | 2012-01-01 |
| Completed | Evaluation of the Veterans' In-home Program Traumatic Brain Injury | N/A | 2011-10-01 |
| Completed | Engaging Caregivers in Dementia Care Dementia | N/A | 2011-02-01 |
| Withdrawn | Use of Mindfulness Meditation With Iraqi/Afghanistan War Veterans PTSD, Stress | N/A | 2006-10-01 |
| Terminated | Non-Invasive Prediction of Colorectal Neoplasia Colonic Polyps, Polyposis Coli, Colorectal Cancer | — | 2006-08-01 |