# Determination of Assay Cut-Off for the RadTox Test in Prostate Cancer Patients to Predict GI Radiation Toxicity

> **NCT04580667** · — · WITHDRAWN · sponsor: **DiaCarta, Inc.**

## Conditions studied

- Prostate Cancer

## Interventions

- **OTHER:** Collection of plasma samples

## Key facts

- **NCT ID:** NCT04580667
- **Lead sponsor:** DiaCarta, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2020-10-01
- **Primary completion:** 2023-09-06
- **Final completion:** 2023-09-06
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** The sponsor declared bankruptcy
- **Last updated:** 2025-08-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04580667

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04580667, "Determination of Assay Cut-Off for the RadTox Test in Prostate Cancer Patients to Predict GI Radiation Toxicity". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04580667. Licensed CC0.

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