# CSF and Blood Plasma Liquid Biopsy in Patients With Metastatic Solid Tumours and CNS Metastases or no CNS Metastases

> **NCT07476781** · NA · RECRUITING · sponsor: **Sunnybrook Health Sciences Centre** · enrollment: 60 (estimated)

## Conditions studied

- Solid Tumor Malignancies
- Brain Metastasases
- Leptomeningeal Disease (LMD)

## Interventions

- **PROCEDURE:** One time CSF and blood sample

## Key facts

- **NCT ID:** NCT07476781
- **Lead sponsor:** Sunnybrook Health Sciences Centre
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-12-12
- **Primary completion:** 2026-12
- **Final completion:** 2026-12
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2026-03-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07476781

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07476781, "CSF and Blood Plasma Liquid Biopsy in Patients With Metastatic Solid Tumours and CNS Metastases or no CNS Metastases". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT07476781. Licensed CC0.

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