Summary: This will be a single center, open label pilot study to assess the safety and tolerability of terazosin (TZ) at a dose of 5 milligrams (mg) per os (PO) daily for patients with amyotrophic lateral sclerosis (ALS). The primary outcome of this study is to determine whether TZ increases adenosine triphosphate (ATP) levels in ALS. The investigators will measure adverse outcomes, safety, and tolerabilit...

Summary: Parkinson's disease (PD) is currently the fastest-growing neurological condition globally. It is projected to affect 172,000 people in the UK by 2030,with the current annual cost to the country being \ £3.6 billion. The disease progressively impairs physical abilities, leading to increased disability, falls, and difficulties with speech, swallowing, mood, thinking, and memory. While existing treat...

Summary: The goal of this clinical trial is to compare how well Terazosin, Tamsulosin and standard care (no alpha-blocker) reduce urinary symptoms after ureteral stent placement. This trial also learn about the safety of these two study medications. Main objective: • To compare how well Terazosin, Tamsulosin and standard of care reduce post-stenting urinary symptoms. Secondary objectives: * To compare pain...

Summary: Large ischemic stroke is a severe subtype of acute ischemic stroke (AIS), often leading to malignant cerebral edema, elevated intracranial pressure, and poor functional outcomes. Despite early aggressive treatment, malignant cerebral edema remains a major determinant of prognosis, even in cases of successful recanalization. Preclinical studies suggest that a pharmacological cocktail (PPA) may alle...

Summary: Parkinson's disease (PD) is characterized by many non-motor symptoms that occur several years before the diagnosis, in particular idiopathic REM behavior disorder (iRBD), which is associated with autonomic impairment. The purpose of this study is to investigate the effect of treatment with the selective post-synaptic a1-adrenergic blocker terazosin on 123I-MIBG myocardial uptake in a population of...

Summary: The purpose of this study is to investigate the long-term effects of treatment with the selective post-synaptic a1-adrenergic blocker terazosin on serial in a population of subjects with defined pre-motor Parkinson's disease (PD) risks and abnormal imaging exams. Imaging changes will be correlated to the presence and severity of motor and non-motor symptoms of PD, measured by validated clinical sc...