跳至主要内容
临床试验/2025-522955-25-00
2025-522955-25-00招募中4 期

Next Generation StaR TREC - Save the rectum by watchful waiting after (chemo)Radiotherapy or Total mesorectal excision for early REctal Cancer?

Vaestra Goetalandsregionen3 个研究点 分布在 1 个国家目标入组 80 人开始时间: 2026年1月9日最近更新:

试验速览

阶段
4 期
状态
招募中
发起方
入组人数
80
试验地点
3
主要终点
Ratio of patients with a non-operative approach at onset that after evaluation by a combination of MRI, clinical and endoscopic examination have a clinical complete response at 1 year.

研究概览

简要总结

The primary objective of this trial is to achieve a sustained clinical complete response rate in patients 1 year after treatment.

入排标准

年龄范围
18 years 至 65+ years(65+ Years, 18-64 Years)
接受健康志愿者

入选标准

  • The subject has given their written consent to participate in the trial
  • Be 18 years or older
  • Have an adenocarcinoma verified tumour within the rectum below 12 cm from anal verge
  • Have a tumour stage of TX/T1-3b (regardless of tumour size)
  • Have no nodal metastases (NX/N0)
  • Have no distant metastases (MX/M0)
  • Have an Eastern Cooperative Oncology Group (ECOG) performance status 0-1
  • For female subjects of childbearing potential: Have a negative pregnancy test within 7 days prior to study entry and Agree to use adequate, medically approved, contraceptive precautions from trial entry until 6 months after the end of study treatment
  • If non-sterilised male with a partner of childbearing potential, must: Agree to use adequate, medically approved, contraceptive precautions from trial entry until 6 months after the end of study treatment

排除标准

  • Give no informed consent
  • Have no residual luminal tumour following endoscopic resection prior to first visit at surgical department
  • Have contraindications to radiotherapy including previous pelvic radiotherapy
  • Have uncontrolled cardiorespiratory comorbidity (includes patients with inadequately controlled angina or myocardial infarction or arrhythmia within 6 months prior to trial entry)
  • Have known complete dihydropyrimidine dehydrogenase (DPYD) deficiency
  • Have known Gilbert’s disease (hyperbilirubinemia)
  • Have been taking coumarin-derivative anticoagulants (e.g. warfarin) that cannot be discontinued at least 7 days prior to starting treatment or substituted by low molecular weight heparin
  • Are taking metronidazole, phenytoin or sorivudine or its chemically related analogues, such as brivudine, within 4 weeks of trial entry (see Section 8.3.5 for further details)
  • Are Pregnant or lactating woman
  • Have history of severe and unexpected reactions to fluoropyrimidine therapy
  • No biopsy confirmed rectal cancer (adenocarcinoma)
  • Have a recurrent rectal cancer
  • An age below 18
  • Have concomitant or previous malignancies within 3 years prior to trial entry, except those that in the opinion of the MDT are unlikely to relapse within 3 years or lead to death within 5 years
  • Have unequivocal evidence of metastatic disease (includes respectable metastases)(Patients with equivocal radiological lesions (e.g. retroperitoneal, liver, lung) that are not classified as M1 are eligible if agreed by MDT)
  • Have an MRI node positive tumour (≥N1, defined by protocol guidelines) (Patients with equivocal radiological findings that are either classified as NX or N0 are eligible)
  • Have MRI extramural vascular invasion (mriEMVI) positive (defined by protocol guidelines)
  • Have a threatened mesorectal fascia (≤1 mm on MRI or ERUS)

结局指标

主要结局

Ratio of patients with a non-operative approach at onset that after evaluation by a combination of MRI, clinical and endoscopic examination have a clinical complete response at 1 year.

Ratio of patients with a non-operative approach at onset that after evaluation by a combination of MRI, clinical and endoscopic examination have a clinical complete response at 1 year.

次要结局

  • Local recurrence
  • Local regrowth
  • Survival (overall)
  • Metastases
  • Organ preservation rate
  • Clinical complete response rate
  • Morbidity measured with Comprehensive Complications Classification Index (41)
  • Total length of hospital stay
  • Radical resection (R0) after surgery
  • Urinary function
  • Sexual function
  • Bowel function
  • Presence of a stoma

研究者

发起方
Vaestra Goetalandsregionen
申办方类型
Hospital/Clinic/Other health care facility
责任方
Principal Investigator
主要研究者

Eva Angenete

Scientific

Vaestra Goetalandsregionen

研究点 (3)

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