Application of 68Ga-Pentixafor PET/CT in Primary Aldosteronism and Pre-postoperative of SAAE

  • End date
    Sep 1, 2023
  • participants needed
  • sponsor
    First Affiliated Hospital of Fujian Medical University
Updated on 11 August 2022


Primary aldosteronism is the most common cause of secondary hypertension. The two main types of primary aldosteronism are aldosteronoma(30%) and adrenal hyperplasia(60%). The gold standard that determines the diagnosis and treatment strategy of primary aldosteronism is adrenal vein sampling(AVS), but the success rate is only about 80%. Using CXCR4 as a probe for 68Ga-Pentixafor PET/CT imaging can guide the classification diagnosis and treatment strategy of primary aldosteronism, which is a favorable supplement to AVS. Superselective adrenal artery embolization(SAAE) and laparoscopy are the main operation treatments for primary aldosteronism. SAAE is an invasive interventional operation. It is a novel way to evaluate the changes in the structure and function of adrenal tissue pre-postoperative SAAE by using the changes in 68Ga-Pentixafor PET/CT imaging.


Primary aldosteronism: Hypertension is divided into primary hypertension and secondary hypertension. Secondary hypertension refers to hypertension with clear etiology. When the etiology is identified and effectively removed or controlled, hypertension as a secondary symptom can be cured or significantly relieved. The most common secondary hypertension is primary aldosteronism. Primary aldosteronism is due to excessive aldosterone secretion in the adrenal cortex, characterized by clinical syndromes of hyperaldosteronism, low renin activity, hypertension and hypokalemia. Compared with essential hypertension, the risk of cardiovascular and cerebrovascular events and the risk of target organ damage in patients with primary aldosteronism were significantly increased. On the contrary, early detection and treatment mean better blood pressure control, lighter target organ damage and better clinical outcomes. The two main types of primary aldosteronism are aldosteronoma(30%) and adrenal hyperplasia(60%). The gold standard that determines the diagnosis and treatment strategy of primary aldosteronism is adrenal vein sampling (AVS), but the success rate is only about 80 %. Therefore, it is necessary to explore a non-invasive examination method as a beneficial supplement to AVS.

Condition Positron-Emission Tomography
Treatment 68Ga-Pentixafor
Clinical Study IdentifierNCT05188872
SponsorFirst Affiliated Hospital of Fujian Medical University
Last Modified on11 August 2022


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Inclusion Criteria

adult population (aged 18 years or order)
patients with suspected or new diagnosed Primary aldosteronism (supporting evidence may include MRI, CT, laboratory tests)
patients who had scheduled 68Ga-BNU-PSMA PET/CT scan
patients who were able to provide informed consent (signed by participant, parent or legal representative) and assent according to the guidelines of the Clinical Research Ethics Committee
healthy volunteers(aged 18 years or order)

Exclusion Criteria

patients with pregnancy
the inability or unwillingness of the research participant, parent or legal representative to provide written informed consent
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