Stopped: Withdrawal of support of product for trial
POTS is a relatively common condition that affects millions of patients around the globe. It has an estimated prevalence of 170/100,000 with approximately 80% of patients being women of childbearing age. POTS is characterized by an excessive heart rate increase on assuming an upright posture, either standing or even sitting and leading to disabling palpitations, light-headedness, and even in syncope in severe cases. More than 95% patients with POTS have pronounced cardiovascular deconditioning and show marked exercise intolerance. The severity of POTS is variable. In mild cases the affected patient may continue with routine activities with minimal limitations. Severe form of the disease precludes most normal life activities, such as sitting upright, walking or standing to perform even basic house chores. An estimated 40% of patients with POTS have a resistant form of the condition that is nonresponsive or mildly responsive to all treatments resulting in continued functional limitations in the long term. Many of the currently available treatments in POTS are geared towards increasing blood pressure. These include compression stockings, increased daily fluid intake and increased salt ingestion. Saline infusions may be helpful in certain patients in the short term, though many do not respond. The effectiveness of medications varies greatly, with many patient failing to improve. A small series of clinical patients suffering from severe POTS have shown robust response to weekly albumin therapy, which supports the hypothesis that periodic albumin infusions will provide significant and sustained symptomatic relief to patients with severe POTS. This pilot study will explore the effectiveness of albumin infusions as a treatment for POTS. Eligible patients will receive weekly intravenous infusions of 5% Albumin or Saline in a double blinded fashion for 4 weeks and will crossover to the other infusion for 4 weeks after an intervening 4-week washout period. The participants will be required to maintain a daily diary of their symptoms during the screening, the study and washout periods. Any possible adverse effects as the result of infusions will be documented. Outcome measures will be quantified and validated at the end of each study period and the percentage reduction of tachycardia will be determined at the completion of each study arm.
Age range
18 Years – 69 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Severity of Orthostatic Intolerance
Timeframe: Change in Orthostatic Symptom Grading Scale (OSGS) scores from baseline to end of first arm (1-4 weeks), from end of washout (5-8 weeks) to end of second arm (9-12 weeks) and at end of study (16 week duration).