Midodrine and Fludrocortisone for Vasovagal Syncope
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- STATUS
- Recruiting
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- End date
- Dec 25, 2023
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- participants needed
- 1375
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- sponsor
- Tehran Heart Center
Summary
Syncope is a common condition which can disturb daily functions of the patients and impair their quality of lives. It contributes to 0.8 to 2.4% of the visits of emergency rooms. Noticeably, studies demonstrated that the lifetime prevalence of syncope is as high as 41% with a 13.5% recurrence rate.
The cornerstone of the treatment of vasovagal syncope (VVS), the most common type of syncope, is lifestyle modifications and patient education to avoid potential triggers of syncope. These recommendations alleviate vasovagal spells in many patients; however, some patients experience life-disturbing vasovagal attacks despite compliance with these modifications. This fact underscores the importance of efficient pharmacological interventions as well.
Currently, there is an ongoing controversy about the efficacy of midodrine and fludrocortisone as adjunct pharmacological interventions for the prevention of VVS. In the COMFORTS trial, we are going to evaluate the efficacy of midodrine, fludrocortisone, and lifestyle modifications for prevention of vasovagal attacks in patients with VVS.
Description
Background: The cornerstone of the treatment of vasovagal syncope (VVS) is lifestyle modifications; however, some patients incur life-disturbing attacks despite compliance with these treatments which underscores the importance of pharmacological interventions.
Methods: In the COMFORTS trial, a multi-center randomized controlled trial, 1375 patients with VVS will be randomized into three parallel arms with a 2:2:1 ratio to receive midodrine, fludrocortisone, or just lifestyle modifications. All patients will receive recommendations for lifestyle modifications. In the pharmacological intervention arms, patients will receive 5 mg of midodrine three times a day or 0.1 mg of fludrocortisone twice daily. In case of intolerance, the dosage will be cut by half. If the patient does not tolerate even the reduced dosage, the medication will be discontinued and the patient will be advised to use compression garments, practice tilt training exercises, or switch to the other medication. The patients will be followed on 3, 6, and 12 months after dose stabilization. Primary efficacy outcomes of the study is the time to the first syncopal episode. The secondary efficacy outcome are the recurrence rate of syncope, number of syncopal episodes and the quality of life of the patients which will be assessed by the 36-Item Short Form Survey questionnaire at the enrollment and 12 months after dose stabilization.
Details
| Condition | Vasovagal syncope |
|---|---|
| Treatment | Lifestyle modification, Midodrine Hydrochloride Tablets, Fludrocortisone Acetate Tablets |
| Clinical Study Identifier | NCT04595942 |
| Sponsor | Tehran Heart Center |
| Last Modified on | 25 April 2021 |
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