Phase 2 Study Evaluating the Functional Status of the Adrenal Glands With [68Ga]Ga-PentixaFor in Hyperaldosteronism and Hypercortisolism
National Cancer Institute (NCI)
Summary
Background: The adrenal glands are 2 small organs that sit on top of each kidney. They release hormones; these are chemicals that control how the body works. Tumors on or outside the adrenal glands are called functional if they release hormones; they are called nonfunctional if they do not. Doctors who treat adrenal tumors need to know which type a person has. Researchers want to find better ways to learn whether an adrenal tumor is functional. Objective: To see if a new radioactive tracer (\[68Ga\]Ga-PentixaFor) can make it easier to identify functional adrenal tumors with positron emission tomography (PET) scans. Eligibility: People aged 18 years and older with 1 or more adrenal tumors. They must have increased levels of the hormones aldosterone or cortisol. They must also be enrolled in at least 1 other related NIH study (protocols 19-DK-0066, 18-CH-0031, or 09-C-0242). Design: Participants will be screened. They may have imaging scans. Their ability to perform normal activities will be reviewed. Participants will have one PET scan with the study tracer. The tracer will be given through a tube attached to a needle inserted into a vein. Participants will receive the tracer 1 hour before the scan. They will lie still on a bed while a machine captures images of the inside of their body. The scan will take 45 to 90 minutes. Participants heart rate, blood pressure, and rate of breathing will be checked before, during, and after the scan. Participants will have a follow-up visit 3 days after their scan. This visit can be by phone, email, or in person.
Description
Background: * \[68Ga\]Ga-PentixaFor is a PET agent targeting the C-X-C chemokine receptor type 4 (CXCR4) with promising applications in oncology, cardiology, and infectious disease. * CXCR4 has also been noted to show high expression in many aldosterone-producing adenomas (APA) and some cortisol-producing adenomas (CPA) but not usually in nonfunctioning adenomas. * \[68Ga\]Ga-PentixaFor may be useful in the evaluation of adrenal adenomas in the setting of Conn's or Cushing's syndrome. Localizing functional adenomas is important for managing treatment options but current imaging modalities are…
Eligibility
- Age range
- 18–120 years
- Sex
- All
- Healthy volunteers
- No
* INCLUSION CRITERIA: * Must have any of the following: * one or more adrenal masses on CT and/or MRI and biochemical evidence of excess aldosterone OR --ACTH-independent hypercortisolism, with or without adrenal masses on CT and/or MRI OR * history of ACTH-dependent hypercortisolism (with or without adrenal enlargement) * Co-enrollment in 19-DK-0066, 09-C-0242, 18-CH-0031 or a similar NIH trial. * Age \>=18 years. * ECOG performance status \<= 2. * Women of child-bearing potential (WOCBP) and men must agree to use an effective contraception (barrier, hormonal, intrauterine device \[IUD…
Interventions
- Drug[68Ga]Ga-PentixaFor
\[68Ga\]Ga-PentixaFor will be injected intravenously approximately 60 minutes prior to scanning at a dose of 150 +/- 50 MBq (4 mCi +/- 1.4).
Location
- National Institutes of Health Clinical CenterBethesda, Maryland