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About
Gastric cancer remains a significant global public health problem. Although in developed countries its incidence has dramatically decreased, on a worldwide scale it is still a leading cause of cancer-related deaths. Surgery is the only potentially curative treatment for gastric cancer. Although the survival rates for patients with early stage disease (stage 1A and 1B) are good, this subgroup of patients constitutes only 20% of those undergoing resection. The majority of patients will have locally advanced or metastatic disease at presentation, which has an extremely poor prognosis. The current five-year survival rate for gastric cancer in Western countries is approximately 20-30%, a figure that has improved little over the past 30 years. The intervention arm in TOPGEAR consists of pre-operative chemotherapy, pre-operative chemoradiotherapy, surgery and post-operative chemotherapy. The control arm consists of pre-operative chemotherapy, surgery and post-operative chemotherapy. The primary objective of TOPGEAR is to investigate whether the addition of chemoradiotherapy to chemotherapy is superior to chemotherapy alone in the neoadjuvant setting by improving pathological complete response rates in the first instance, and subsequently overall survival, in patients undergoing adequate surgery (D1+ dissection) for resectable gastric cancer.
Full description
Purpose:
The purpose of this phase II/III clinical trial is to determine if pre-operative chemoradiotherapy improves overall survival in participants with resectable gastric cancer.
Trial details:
Participants will be randomised to receive either pre-operative chemotherapy or pre-operative chemoradiotherapy. The will undergo surgery and then receive further post-operative chemotherapy. Participants will be followed up for 5 years after treatment.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Histologically proven adenocarcinoma of the stomach or gastroesophageal junction (GEJ) that is:
Age >=18 years
Eastern Cooperative Oncology Group (ECOG) performance status 0-1
Adequate organ function defined as follows:
Disease which can be radically treated with radiotherapy to 45 Gy with standard fractionation
Any patient with a history of ischaemic heart disease and abnormal ECG, or who is over 60 years of age should have a pre-treatment evaluation of cardiac function with a multigated acquisition (MUGA) scan or echocardiogram. Patients will only be included if the left ventricular ejection fraction is >=50%.
Written informed consent obtained before randomization
Negative pregnancy test for women of childbearing potential within 7 days of commencing study treatment. Males and females of reproductive potential must agree to practice adequate contraceptive measures.
Exclusion criteria
Evidence of metastatic disease
Prior chemotherapy or radiotherapy
Patients with a past history of cancer in the 5 years before randomization except for the following. Patients with squamous or basal cell carcinoma of the skin that has been effectively treated, and patients with carcinoma in situ of the cervix that has been treated by operation only are eligible, even if they were diagnosed and treated within the 5 years before randomization.
Patients with other significant underlying medical conditions that may be aggravated by the study treatment or are not controlled
Pregnant or lactating females or female patients of childbearing potential who have not been surgically sterilized or are without adequate contraceptive measures
Cardiac failure and other contraindications to epirubicin
Patients with impaired gastrointestinal absorption for whatever reason
Patients medically unfit for cisplatin chemotherapy due to one or more of the following reasons:
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574 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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