# Circulating Tumor Cells (CTC) in Cancer

> **NCT04520672** · — · RECRUITING · sponsor: **University Hospital, Basel, Switzerland** · enrollment: 3000 (estimated)

## Conditions studied

- Cancer

## Interventions

- **OTHER:** Blood samples
- **OTHER:** Samples from tumor draining vessels

## Key facts

- **NCT ID:** NCT04520672
- **Lead sponsor:** University Hospital, Basel, Switzerland
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-10-01
- **Primary completion:** 2030-08
- **Final completion:** 2030-08
- **Target enrollment:** 3000 (ESTIMATED)
- **Last updated:** 2025-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04520672

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04520672, "Circulating Tumor Cells (CTC) in Cancer". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04520672. Licensed CC0.

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