# Is Intraoperative PTH Monitoring Obsolete in Times of Choline PET/CT? a Prospective Multicenter Cohort Study to Determine Whether the Regular Preoperative Use of Choline-PET/CT Scan Obviate the Need for Intraoperative PTH-measurement in Patients with Primary Hyperparathyreoidism

> **NCT06804681** · — · NOT_YET_RECRUITING · sponsor: **University of Zurich** · enrollment: 1000 (estimated)

## Conditions studied

- Primary Hyperparathyroidism

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06804681
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2025-09
- **Primary completion:** 2028-09
- **Final completion:** 2028-09
- **Target enrollment:** 1000 (ESTIMATED)
- **Last updated:** 2025-02-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06804681

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06804681, "Is Intraoperative PTH Monitoring Obsolete in Times of Choline PET/CT? a Prospective Multicenter Cohort Study to Determine Whether the Regular Preoperative Use of Choline-PET/CT Scan Obviate the Need for Intraoperative PTH-measurement in Patients with Primary Hyperparathyreoidism". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT06804681. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*