# Comparison of Chemotherapy Before and After Surgery Versus After Surgery Alone for the Treatment of Gallbladder Cancer

> **NCT04559139** · PHASE2,PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **ECOG-ACRIN Cancer Research Group** · enrollment: 186 (estimated)

## Conditions studied

- Stage II Gallbladder Cancer AJCC v8
- Stage IIA Gallbladder Cancer AJCC v8
- Stage IIB Gallbladder Cancer AJCC v8
- Stage III Gallbladder Cancer AJCC v8
- Stage IIIA Gallbladder Cancer AJCC v8
- Stage IIIB Gallbladder Cancer AJCC v8

## Interventions

- **DRUG:** Cisplatin
- **DRUG:** Gemcitabine Hydrochloride
- **PROCEDURE:** Lymphadenectomy
- **PROCEDURE:** Partial Hepatectomy

## Key facts

- **NCT ID:** NCT04559139
- **Lead sponsor:** ECOG-ACRIN Cancer Research Group
- **Sponsor class:** NETWORK
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-02-24
- **Primary completion:** 2028-07-01
- **Final completion:** 2029-06-30
- **Target enrollment:** 186 (ESTIMATED)
- **Last updated:** 2026-05-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04559139

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04559139, "Comparison of Chemotherapy Before and After Surgery Versus After Surgery Alone for the Treatment of Gallbladder Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04559139. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*