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Regorafenib versus TAS-102 as Salvage-line in patients with colorectal cancer refractory to standard chemotherapies: a multicenter observational study

Regorafenib versus TAS-102 as Salvage-line in patients with colorectal cancer refractory to standard chemotherapies: a multicenter observational study - Regorafenib versus TAS-102: a multicenter, retrospective observational study (REGOTAS)

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000020416
Enrollment
600
Registered
2016-01-04
Start date
2016-01-04
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

colorectal cancer

Interventions

None listed

Sponsors

Japanese Society for Cancer of the Colon and Rectum
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients who were treated with regorafenib or TAS-102 between 26th May 2014 and 30th September 2015. 2) Histologically proven colorectal adenocarcinoma 3) Unresectable colorectal cancer 4) Refractory to fluoropyrimidine, oxaliplatin, irinotecan, bevacizumab, and anti-EFGR antibody (limited KRAS or RAS wild type) 5) With measurable or evaluable lesion 6) Age <=20 years old 7) ECOG PS 0 to 2

Exclusion criteria

Exclusion criteria: 1) Prior therapy with regorafenib or TAS-102 2) Active infections 3) Symptomatic brain metastasis 4) Active double cancers 5) Serious complications 6) Uncontrolled thromboembolism 7) Comorbidity with systemic steroid therapy

Design outcomes

Primary

MeasureTime frame
Overall survival

Secondary

MeasureTime frame
Progression-free survival, response rate, disease control rate, time to treatment failure, time to ECOG PS >=2, incidence of adverse events, detail of subsequent treatment, and comparison between patients with initial dose reduction and patients without it.

Countries

Japan

Contacts

Public ContactToshikazu Moriwaki

University of Tsukuba Division of Gastroenterology

tmoriwak@md.tsukuba.ac.jp029-853-3218

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026