# Blood and Stool Sample Collection in Subjects Participating in Colorectal Cancer Screening: Act Bold

> **NCT03821948** · — · COMPLETED · sponsor: **Exact Sciences Corporation** · enrollment: 5131 (actual)

## Conditions studied

- Colorectal Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03821948
- **Lead sponsor:** Exact Sciences Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-03
- **Primary completion:** 2020-02-28
- **Final completion:** 2020-05-15
- **Target enrollment:** 5131 (ACTUAL)
- **Last updated:** 2020-07-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03821948

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03821948, "Blood and Stool Sample Collection in Subjects Participating in Colorectal Cancer Screening: Act Bold". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03821948. Licensed CC0.

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