Clinical Trial Details
— Status: Recruiting
Administrative data
NCT number |
NCT05826080 |
Other study ID # |
lp2023 |
Secondary ID |
|
Status |
Recruiting |
Phase |
|
First received |
|
Last updated |
|
Start date |
September 1, 2021 |
Est. completion date |
September 1, 2024 |
Study information
Verified date |
October 2022 |
Source |
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School |
Contact |
Ping LI, MD |
Phone |
86-25-83-105302 |
Email |
li78321[@]yeah.net |
Is FDA regulated |
No |
Health authority |
|
Study type |
Observational
|
Clinical Trial Summary
The purpose of our research is to evaluate the value of ACTH stimulation in AVS especially in
lateralization is still controversial.
Description:
Primary aldosteronism (PA) is thought to be the most common secondary endocrine form of
hypertension. A recent published study revealed that the prevalence of PA in patients with
newly diagnosed hypertension in China was at least 4%. Compared with patients with essential
hypertension with similar blood pressure, patients with PA have significantly higher atrial
fibrillation, myocardial infarction, heart failure, stroke, deterioration of renal function
and all-cause mortality. Therefore, early and systematic implementation of effective surgical
or medical treatment is essential to prevent or reverse the excess vascular events and
mortality of these patients.
Adrenal venous sampling (AVS) is key for reliable subtype identification recommended by
different guidelines and consensus statements. However, AVS is a complex, technically
challenging and expensive procedure, requiring proficient and dedicated interventional
radiologists. More importantly, the standardised procedure and method of AVS have not been
unified10. Adrenocorticotropic hormone (ACTH) infusion is employed by many centers to
maximize the gradient in cortisol from the adrenal vein to the inferior vena cava, and to
maximize aldosterone secretion from an aldosterone-producing adenomas (APA) and thus avoid
the risk of sampling during a relatively quiescent phase of aldosterone secretion. There is
no debate that ACTH stimulation increases the selectivity index (SI) and, therefore, greatly
increases the likelihood of successful AVS. However, the effect of ACTH stimulation on the
lateralization index (LI) is controversial, with several studies reporting a reduction in the
proportion of lateralized AVS results and, therefore, of surgically treatable patients.
Hitherto, most of the studies on the value of using ACTH stimulation in AVS are retrospective
studies with a small sample size, or multi-center studies with ununified methods of ACTH
stimulation and evaluation standards of results. Therefore, there are obvious heterogeneity
in the results and the value of evidence is limited.
In this prospective study, we analyzed the SI and LI in simultaneous bilateral AVS at
baseline and after ACTH stimulation in our center, and further estimated the prognosis of
patients underwent adrenalectomy with different cut-off points of LI after ACTH stimulation.
Present study will provide novel evidence for the value of ACTH stimulation in AVS and
improve AVS procedure.