# Immune Checkpoint Blockade Therapy Using 18F-FLT PET/CT

> **NCT04271436** · PHASE2 · WITHDRAWN · sponsor: **Washington University School of Medicine**

## Conditions studied

- Cancer

## Interventions

- **DEVICE:** FDG PET/CT
- **DEVICE:** FLT PET/CT
- **DEVICE:** PET/MR
- **DRUG:** [F-18] flurothymidine

## Key facts

- **NCT ID:** NCT04271436
- **Lead sponsor:** Washington University School of Medicine
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-04-22
- **Primary completion:** 2025-01-31
- **Final completion:** 2025-01-31
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Low accrual
- **Last updated:** 2025-01-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04271436

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04271436, "Immune Checkpoint Blockade Therapy Using 18F-FLT PET/CT". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04271436. Licensed CC0.

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