UnknownNot Applicable

Pregnancy Related Inappropriate Sinus Tachycardia

United Kingdom200 participantsStarted 2017-10-06

Plain-language summary

A feasibility study into the exploration of possible mechanisms underlying inappropriate sinus tachycardia (IST) syndrome in pregnancy.

Who can participate

Age range

18 Years – 45 Years

Sex

FEMALE

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Aged 18-45 years of age * Able to give written informed consent and willing to participate * The participant falls into one of the below categories: i. Pregnant women with IST ii. Pregnant women without IST Exclusion Criteria: * Obesity (BMI \> 29.9) * Current or recent (within last 3 months) smoker * Known medical condition likely to affect HRV (other than IST in relevant groups) * Previous history of hypertensive disorders in pregnancy * Lack of written informed consent

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

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.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Feasibility of examining autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia

Timeframe: Up to 3 years

Assessment of autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia

Timeframe: Up to 3 years

Assessment of autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia

Timeframe: Up to 3 years

Trial details

NCT IDNCT03317249

SponsorCambridge University Hospitals NHS Foundation Trust

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2020-10-06

Contact for this trial

Mark Belham

01223 349154 mark.belham@addenbrookes.nhs.uk

View on ClinicalTrials.gov More Inappropriate Sinus Tachycardia trials

Who can participate

Age range

18 Years – 45 Years

Sex

FEMALE

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

What they're measuring

Feasibility of examining autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia

Timeframe: Up to 3 years

Assessment of autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia

Timeframe: Up to 3 years

Assessment of autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia

Timeframe: Up to 3 years