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Organ preserving strategy "Watch and Wait" for rectal adenocarcinoma acheived clinical complete response treated with chemoradiotherapy

Organ preserving strategy "Watch and Wait" for rectal adenocarcinoma acheived clinical complete response treated with chemoradiotherapy - Watch and Wait trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000037206
Enrollment
15
Registered
2019-09-01
Start date
2019-10-01
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

low rectal cancer

Interventions

watch and wait strategy

Sponsors

Chiba University hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: low rectal adenocarcinoma clinical complete response by chemoradiothrapy assessment was conducted 10-12 weeks after chemoradiotherapy. clinical complete response fulfilled all criteria:the absence of residual ulceration, mass, mucosal irregularity at digital examination and endoscopic assessment. no evidence of residual disease at CT and MRI.

Exclusion criteria

Exclusion criteria: patients who are not to be able to understand the study and sign the informed consent to participate due to any reasons

Design outcomes

Primary

MeasureTime frame
organ preserving rate—

Countries

Japan

Contacts

Public ContactShunsuke Imanishi

Graduate school of medicine, Chiba university Department of Frontier

shun_imanishi@chiba-u.jp043-226-2109

Outcome results

None listed

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