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Cholinesterase Inhibitor

Pyridostigmine for Postural Tachycardia Syndrome

Phase 2
Recruiting
Led By Phillip A. Low, M.D.
Research Sponsored by Mayo Clinic
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be younger than 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 3 days
Awards & highlights

Study Summary

This trial will compare the effects of pyridostigmine to placebo in treating postural tachycardia syndrome. The researchers expect that pyridostigmine will improve tachycardia and stabilize blood pressure.

Who is the study for?
This trial is for individuals with Postural Tachycardia Syndrome (POTS), characterized by a rapid increase in heartbeat upon standing. Participants must experience symptoms like weakness, dizziness, blurry vision, nausea, heart palpitations, and concentration issues. Pregnant or breastfeeding women, those with thyroid disorders, significant heart disease or other illnesses affecting the autonomic system are excluded.Check my eligibility
What is being tested?
The study tests pyridostigmine against a placebo over three days to see if it can reduce the fast heartbeat and stabilize blood pressure in POTS patients. The goal is to determine whether pyridostigmine is effective in treating symptoms of POTS compared to an inactive substance.See study design
What are the potential side effects?
While not specified here, common side effects of pyridostigmine may include stomach cramps, diarrhea, increased saliva and urine production, muscle twitching and sweating. Placebo typically has no active ingredients but can cause perceived side effects due to patient expectations.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~3 days
This trial's timeline: 3 weeks for screening, Varies for treatment, and 3 days for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Change in orthostatic symptoms using Composite Autonomic Symptom Scale (COMPASS) change
Secondary outcome measures
Heart rate response to head-up tilt
Plasma norepinephrine change

Trial Design

2Treatment groups
Active Control
Placebo Group
Group I: pyridostigmineActive Control1 Intervention
Active study drug
Group II: PlaceboPlacebo Group1 Intervention
Control

Find a Location

Who is running the clinical trial?

Mayo ClinicLead Sponsor
3,207 Previous Clinical Trials
3,767,090 Total Patients Enrolled
4 Trials studying Postural Orthostatic Tachycardia Syndrome
103 Patients Enrolled for Postural Orthostatic Tachycardia Syndrome
National Institute of Neurological Disorders and Stroke (NINDS)NIH
1,340 Previous Clinical Trials
649,314 Total Patients Enrolled
4 Trials studying Postural Orthostatic Tachycardia Syndrome
359 Patients Enrolled for Postural Orthostatic Tachycardia Syndrome
National Institutes of Health (NIH)NIH
2,697 Previous Clinical Trials
6,952,764 Total Patients Enrolled
7 Trials studying Postural Orthostatic Tachycardia Syndrome
384 Patients Enrolled for Postural Orthostatic Tachycardia Syndrome

Media Library

Pyridostigmine (Cholinesterase Inhibitor) Clinical Trial Eligibility Overview. Trial Name: NCT00409435 — Phase 2
Postural Orthostatic Tachycardia Syndrome Research Study Groups: Placebo, pyridostigmine
Postural Orthostatic Tachycardia Syndrome Clinical Trial 2023: Pyridostigmine Highlights & Side Effects. Trial Name: NCT00409435 — Phase 2
Pyridostigmine (Cholinesterase Inhibitor) 2023 Treatment Timeline for Medical Study. Trial Name: NCT00409435 — Phase 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is the aggregate count of participants involved in this research?

"Affirmative. Clinicaltrials.gov has evidence of this clinical trial's current recruitment status, which began on October 1st 2006 and was refreshed on March 4th 2022. The study will be enrolling 50 participants from one specific medical centre."

Answered by AI

What are the eligibility requirements to join this research project?

"This scientific investigation is searching for 50 participants with the illness, aged between 15 and 55. If they meet these criteria, they will be eligible to join the trial."

Answered by AI

What medical purposes does pyridostigmine typically serve?

"Pyridostigmine has been seen to ameliorate myasthenia gravis, dyschezia, and orthostatic syncope."

Answered by AI

Might participants older than fifty-five years be qualified to join this research?

"The requirements for enrollment in this trial is that patients must be between the ages of 15 and 55. Separately, there are 388 studies targeting individuals below 18 years old and 1,075 experiments focused on those 65 or older."

Answered by AI

Is enrollment in this scientific experiment still an option for participants?

"This clinical trial, which was initially posted on October 1st 2006 and most recently edited March 4th 2022 is still recruiting participants."

Answered by AI

Have there been other experiments performed with pyridostigmine?

"Currently, 4 clinical trials that focus on pyridostigmine are actively enrolling participants with none of them in Phase 3. Of these locations, there is one based in Nashville, Tennessee and three other study centres scattered across the country."

Answered by AI

Who else is applying?

What site did they apply to?
Mayo Clinic
What portion of applicants met pre-screening criteria?
Did not meet criteria
How many prior treatments have patients received?
2

Why did patients apply to this trial?

I have had POTS symptoms for a few years but recently diagnosed with a Tilt Table test.
PatientReceived 1 prior treatment
~2 spots leftby Feb 2025