Pulmonary Arterial Hypertension Clinical Trial
Official title:
A Multicentre Randomised Cross-over Trial of Disease Specific Therapy in Patients With Pulmonary Arterial Hypertension (PAH) Implanted With Pulmonary Artery Pressure and Cardiac Rhythm Monitoring Devices (CardioMEMS/ConfirmRx)
The goal of this clinical trial is to evaluate the capacity of implantable/remote technology for early evaluation of drug therapies in patients with pulmonary arterial hypertension (PAH). The main question it aims to answer is whether structured changes in clinical therapy will be detectable using implanted regulatory approved devices. Participants will will be implanted with approved medical devices and will enter into a study of approved drugs to assess physiology, activity and patient reported quality-of-life (QoL) outcomes. Researchers will compare two therapeutic strategies in each individual patient to see if the study design provides enough evidence to personalise drug treatment plans
In this study, patients established on guideline recommended therapy will be implanted with devices and remote monitoring established. Patients will then enter into a 2x2 crossover study of approved drugs during which standard clinical investigations will be undertaken at baseline and maximal therapy on each drug. The cross-over design will provide multiple increases and decreases of drugs known to alter haemodynamics and 6MWT. The study is powered to detect improvement in right ventricular stroke volume measured by MRI from baseline to maximal therapy for each drug. It will then be established if changes in remote monitored measures provide an early indication of clinical efficacy when compared to the MRI, haemodynamics, NTproBNP and 6MWT made at 12-weeks. Remote measurement of haemodynamics during the two periods of de-escalation will inform understanding of physiology and inform clinical practice. The comparison of the two therapeutic strategies in individual patients in one study will facilitate novel clinical study designs and provide evidence for data-driven personalised medicine in the area. ;
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