Subtyping Primary Aldosteronism With Para-chloro-2-[18F]Fluoroethyl-etomidate

Para-chloro-2-[18F]Fluoroethyl-etomidate ([18F]CETO) as a New PET-tracer for Subtyping in Patients With Primary Aldosteronism - a Pilot Study

Phase1; Phase2 Interventional University Medical Center Groningen · NCT06616142

This study is trying to see if a special imaging technique can help doctors better understand different types of primary aldosteronism in patients.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Enrollment12 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity Medical Center Groningen Academic / other
Locations1 site (Groningen, Provincie Groningen)
Trial IDNCT06616142 on ClinicalTrials.gov

What this trial studies

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Who should consider this trial

Good fit: Unknown

Not a fit: Unknown

Why it matters

Potential benefit: Unknown

How similar studies have performed: Unknown

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* above 18 years
* Biochemically established diagnosis of PA\*
* Completion of standard diagnostic work-up of PA\*
* Able to follow and understand instructions to participate in the study
* Able to give written informed consent.

Exclusion Criteria:

* diabetes mellitus (i.e., HbA1c above 42 mmol/mol, and/or fasting plasma glucose \> 7.0 mol/l or non-fasting plasma glucose above 11.1 mmol/L )
* serious comorbidities precluding surgery
* severe claustrophobia
* pregnancy/breastfeeding or unable/unwilling to take adequate contraceptives (female only)
* concurrent active infections (e.g., viral, fungal or parasite infections)\*\*
* problematic venous access
* unable/unwilling to take dexamethasone prior to \[18F\]CETO scanning
* inability to temporary stop medication affecting aldosterone secretion
* use of ketoconazole, metyrapone or cytostatic drugs during previous 6 months\*\*\*
* long-term use of prednisolone and/or dexamethasone.

Where this trial is running

Groningen, Provincie Groningen

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Primary AldosteronismBilateral adrenal hyperplasiaPET/CT scan[18F]CETOAdrenal vein samplingPrimary aldosteronismAldosteron producing Adenoma
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.