Portland, Oregon Clinical Trials
A listing of Portland, Oregon clinical trials actively recruiting patient volunteers.
Found 567 clinical trials
Collagen Cross-linking in Keratoconus
Optical Coherence Tomography (OCT) devices are non-contact instruments that can measure the depth of scars, other causes of cloudiness of the cornea, and degree of corneal thinning in patients with keratoconus. Laser Custom Corneal Collagen Cross-linking (CXL) significantly decreases corneal aberrations and improves vision. This study will use OCT-guided setting …
Endometrial Biopsy in Progestin Contraceptive Users
The purpose of the study is to learn more about menstrual changes in progestin contraception users. The investigators are hoping to find out what changes in the endometrium lead to different bleeding patterns during the first year of progestin contraception use. Participants will choose to receive the contraceptive implant (Etonogestrel …
Morning Bright Light to Improve Sleep Quality in Veterans
One of the principal complicating factors associated with traumatic brain injury (TBI) is sleep-wake disturbances (e.g., insomnia, excessive daytime sleepiness, and circadian rhythm sleep disorders). Morning bright light therapy (MBLT) has been shown to improve sleep quality in a variety of conditions, but little has been done investigating the utility …
NEXUS Aortic Arch Clinical Study to Evaluate Safety and Effectiveness
Prospective, non-randomized, multi-center clinical investigation of the NEXUS™ Aortic Arch Stent Graft System (NEXUSTM) for the treatment of thoracic aortic lesions involving the aortic arch with a proximal landing zone, native or previously implanted surgical graft, in the ascending aorta and with a brachiocephalic trunk native landing zone.
Cardiac Sympathetic Denervation for Prevention of Ventricular Tachyarrhythmias
The purpose of this research study is to examine the effect of cardiac sympathetic denervation (CSD) surgery on life threatening abnormal heart rhythms called ventricular tachycardia or ventricular fibrillation that can lead to sudden cardiac death. Subjects will be asked to participate in this research study if they have recurrent …
A Study Using [18F]F AraG PET to Evaluate Response to Checkpoint Inhibitor Therapy(CkIT) in Patients With Solid Tumors
In this study, patients with advanced solid tumors will undergo [18F]F AraG PET/CT imaging to assess for changes in tracer uptake following treatment with CkIT.
Vibrotactile Coordinated Reset: A Non-invasive Treatment for Parkinson's Disease 2
The purpose of our study is to evaluate Vibrotactile Coordinated Reset stimulation (vCR) and its effects on motor function in people with Parkinson's disease (PD). vCR will be administered with a device called the Vibrotactile (VT) Touch device. vCR can be used in conjunction with medication and is expected to …
A Study to Learn About the Study Medicine Called PF-07799933 in People With Advanced Solid Tumors With BRAF Alterations.
The purpose of this clinical trial is to learn about the safety and effects of the study medicine (called PF-07799933) administered as a single agent and in combination with other study medicines (called binimetinib) in people with solid tumors. This study is seeking participants who have an advanced solid tumor …
Coflex PS3 Actual Conditions for Use Study
A 2 and 5 year evaluation of clinical outcomes in the treatment of degenerative spinal stenosis with concomitant low back pain by decompression with additional stabilization using the coflex® Interlaminar Technology for FDA Actual Conditions of Use Study.
Omega-3 Fatty Acid Lipidomics in Diabetes Peripheral Neuropathy
Diabetic peripheral neuropathy (DPN) is the most common chronic complication of diabetes, affecting about 50% of patients with diabetes and leading to severe morbidity, poor quality of life, high mortality, and high health care costs. Due to the complex structure and anatomy of the peripheral nervous system, DPN presents with …
