# Extended Clinical Follow up and Biospecimen Collection for Patients Enrolled in TAILORx and RxPONDER: A Companion Protocol

> **NCT06786585** · — · NOT_YET_RECRUITING · sponsor: **Eastern Cooperative Oncology Group** · enrollment: 600 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06786585
- **Lead sponsor:** Eastern Cooperative Oncology Group
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2025-06
- **Primary completion:** 2027-04
- **Final completion:** 2028-04
- **Target enrollment:** 600 (ESTIMATED)
- **Last updated:** 2025-05-30

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06786585

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06786585, "Extended Clinical Follow up and Biospecimen Collection for Patients Enrolled in TAILORx and RxPONDER: A Companion Protocol". Retrieved via AI Analytics 2026-09-09 from https://api.ai-analytics.org/clinical/NCT06786585. Licensed CC0.

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