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Discover 17,885 clinical trials near Houston, Texas. Find research studies in your area.
Showing 6961-6980 of 17,885 trials
NCT06272955
Parkinson Disease (PD) patients experience a variety of motor issues such as walking difficulties, loss of balance, and freezing while walking, which impacts their quality of life. Some symptoms, like freezing of gait (FOG), do not respond to medications typically used to treat PD. Current surgical procedures used to alleviate PD symptoms also do not always improve FOG. Since many traditional therapies have failed for the treatment of FOG, researchers have proposed the use of newer treatments. Recent research in animal models and clinical human data using Spinal Cord Stimulation (SCS) has produced promising results, specifically showing improvement in FOG with the use of SCS in patients with PD. The purpose of this study is to explore the long-term motor and non-motor effects of SCS in PD patients after completing participation on H-49023. The investigators hypothesize that SCS significantly decreases FOG episodes in patients with PD. 1. Assess the long-term safety, tolerability and preliminary evidence of effectiveness of upper thoracic spinal cord stimulation for freezing of gait in Parkinson's (PD) patients. 2. Allowing patients to choose between the two SCS programming paradigms based on their motor, nonmotor and quality of life measures in PD patients with freezing of gait.
NCT04187053
The purpose of this study is to compare clinical outcomes (change in bleeding sites (BOP) and probing depth reduction (PPD) after mechanical debridement of implant surfaces at sites exhibiting plaque induced inflammation with or without adjunctive antimicrobial photodynamic therapy (aPDT) and assess the microbiologic profile of plaque samples before and after treatment with or without aPDT samples.