Superselective Adrenal Arterial Embolization for Bilateral Idiopathic Hyperaldosteronism: A Prospective Cohort Study

NCT ID: NCT05186675

Last Updated: 2022-07-21

Basic Information

• Recruitment Status: UNKNOWN
• Clinical Phase: NA
• Total Enrollment: 50 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-01-01
• Study Completion Date: 2022-12-31

Brief Summary

The most common two subtypes of primary aldosteronism (PA ) are aldosterone producing adenoma (APA) and bilateral idiopathic hyperaldosteronism (IHA). Mineralocorticoid receptor (MR) antagonists is the main treatment for bilateral IHA, because of its side effects, the treatment compliance of those patients is poor. Hence, an alternative therapy is needed in such cases. We hypothesized that superselective adrenal artery embolization (SAAE) could be a suitable alternative approach. To our knowledge, SAAE has so far not been applied to treat bilateral IHA. This study aimed to evaluate the efficacy and safety of SAAE in the treatment of PA patients with bilateral IHA.

Detailed Description

Primary aldosteronism (PA) is the most common form of secondary hypertension, accounting for more than 5% of the general hypertensive cases and 17-20% of resistant hypertension.The most common PA subtype is bilateral idiopathic hyperaldosteronism (IHA), and medical therapy with mineralocorticoid receptor antagonists (MRAs) is recommended for these patients.The clinical studies showed that PA patients had more cardiovascular events than patients with essential hypertension independent of blood pressure, and PA patients with higher plasma aldosterone levels had a higher cardiovascular risk. However, MRAs are unable to reduce the level of plasma aldosterone. Moreover, the undesirable adverse effects of MRAs also limit their wide application, particularly in men.

Superselective adrenal artery embolization (SAAE) has been used as a minimally invasive alternative for the treatment of adrenal tumors. The clinical efficacy of SAAE has been proved by a number of clinical studies. Since the efficacy and safety of SAAE was justified by the treatment of adrenal tumors and APA, we hypothesized that SAAE might cause a significant reduction of blood pressure in cases of hypertension caused by bilateral IHA. Here, we intend to conduct a prospective cohort study to demonstrate the efficacy and safety of SAAE for bilateral IHA with a one-month follow-up.

Conditions

Primary Aldosteronism Due to Adrenal Hyperplasia (Bilateral)

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Superselective adrenal arterial embolization

For patients with bilateral idiopathic hyperaldosteronism confirmed by adrenal venous sampling, Superselective adrenal arterial embolization（SAAE）shall be given according to the patient's wishes. The blood pressure, plasma aldosterone and potassium levels, and adverse events were assessed after SAAE. The primary endpoint was the change in home blood pressure at one months, compared with baseline.

Group Type: EXPERIMENTAL

superselective adrenal arterial embolization

Intervention Type: PROCEDURE

Superselective adrenal arterial embolization is an operation to inject embolic agent into adrenal artery through catheter to embolize part of adrenal gland, so as to reduce the secretion of adrenal hormone and reduce blood pressure

Interventions

superselective adrenal arterial embolization

Superselective adrenal arterial embolization is an operation to inject embolic agent into adrenal artery through catheter to embolize part of adrenal gland, so as to reduce the secretion of adrenal hormone and reduce blood pressure

Intervention Type: PROCEDURE

Eligibility Criteria

Inclusion Criteria

• (1) Age 18-60 years old, regardless of gender; (2) After strict drug elution, it met the diagnostic criteria of primary aldosteronism, and bilateral idiopathic aldosteronism was confirmed by adrenal venous sampling; (3) Blood pressure conditions meet one of the following: 1) Office blood pressure ≥ 140/90mmHg; 2) Ambulatory blood pressure monitoring：whole day blood pressure > 130/80 mmHg or daytime blood pressure > 135/85 mmHg; (4) Adrenal CT showed adrenal hyperplasia, nodules or no obvious morphological abnormalities； (5) The course of hypertension is more than 6 months； (6) The patient or his legal representative shall sign the written informed consent approved by the ethics committee before screening.

Exclusion Criteria

• (1) Primary hypertension or secondary hypertension with other causes; (2) A woman who is pregnant or lactating, or has a birth plan in the next year; (3) There are serious organic diseases, especially liver and kidney dysfunction; (4) Severe allergy to contrast medium; (5) Other serious organic diseases, life expectancy < 12 months; (6) Adrenal CT showed adenoma. (7) Patients are enrolled or want to participate in other clinical studies. During the enrollment study, the results of this study will be affected.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 60 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Second Affiliated Hospital of Nanchang University

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Dong Yifei, Doctor

Role: STUDY_DIRECTOR

Second Affiliated Hospital of Nanchang University

Locations

the Second Affiliated Hospital of Nanchang University

Nanchang, Jiagxi, China

Countries

China

References

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Other Identifiers

2021NDEFY21

Identifier Type: -

Identifier Source: org_study_id