First Line gastroeSOphageal metastatiC canceR primAry and disTant (if Oligometastatic) lEsions-directed Radiotherapy, a Multicentric, Phase III, Randomized Controlled Trial
SOCRATE
1 other identifier
interventional
108
1 country
1
Brief Summary
The aim of the study is to evaluate the efficacy of radiotherapy on the primary site of gastroesophageal cancer and extracranial stereotactic radiotherapy on metastases before the use of standard systemic therapy, in cases of limited disease burden (in the experimental group), compared to the standard group, which does not receive radiotherapy. This prospective, multicenter, randomized trial aims to evaluate the efficacy of the unconventional approach versus the conventional one in increasing the percentage of asymptomatic patients due to the direct effect of the primary tumor or metastases. "Randomized" means that the assignment to one of the treatment groups mentioned above will be random, not influenced by the physician or the patient's condition. Therefore, your participation in either of the two treatments under study will be assigned randomly and not predetermined. This randomness is crucial for a proper analysis of the results at the end of the study, which will help clarify whether there are differences between the two proposed treatments. This also means that you may not receive direct benefits from participating in this study, as it is a research study.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Nov 2024
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 30, 2024
CompletedFirst Submitted
Initial submission to the registry
March 26, 2025
CompletedFirst Posted
Study publicly available on registry
April 10, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 30, 2029
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 30, 2029
May 11, 2025
March 1, 2025
4.9 years
March 26, 2025
May 7, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Disappearance of symptoms
Percentage difference in the rate of patients with symptom (from primary tumor or metastasis) developed within the first 6 months.
From the week after the treatment up to 12 months after
Secondary Outcomes (2)
Pain level
From the week after the treatment up to 12 months after
Radiotherapy use
From the week after the treatment up to 12 months after
Study Arms (2)
Standard systemic therapy without RT/SBRT combination
OTHERThe patients will go to standard therapy (chemotherapy treatment with carboplatin-taxol or with drugs that the oncologist that the oncologist considers most useful.) without RT/SBRT combination
Standard systemic therapy with RT/SBRT combination
EXPERIMENTALStandard systemic therapy (chemotherapy treatment with carboplatin-taxol or with drugs that the oncologist considers most useful) + combination of RT on the primary gastroesophageal Gross Tumor Volume (GTV) + SBRT on each of the distal lesions for oligometastatic or limited metastatic spread patients (to be delivered prior to initiation of systemic therapy).
Interventions
Standard systemic therapy (chemotherapy treatment with carboplatin-taxol or with drugs that the oncologist considers most useful) + combination of RT on the primary gastroesophageal Gross Tumor Volume (GTV) + SBRT on each of the distal lesions for oligometastatic or limited metastatic spread patients (to be delivered prior to initiation of systemic therapy).
The patients will go to standard therapy (chemotherapy treatment with carboplatin-taxol or with drugs that the oncologist that the oncologist considers most useful.) without RT/SBRT combination
Eligibility Criteria
You may qualify if:
- Patients diagnosed with gastroesophageal cancer (i.e.: esophagus, gastroesophageal junction, stomach), for both major squamous cell (SCC) and adenocarcinomatous (ADK) histologies, metastatic, candidate for first-line standard systemic treatment; either newly diagnosed in metastatic stage or first progression to metastasis.
- Obtaining informed consent.
- Patients \>18 years of age
- ECOG 0-2
- Performance of imaging (CT with mdc, MRI with mdc, CT-PET with appropriate tracer) adequate for baseline local and systemic staging and likely to be similarly repeatable at 6 and 12 months after randomization
- Confirmation at the time of randomization, by the Radiation Therapy Center, that all potentially planned treatments can be performed for the patient (if enrolled in experimental arm) within a maximum of 25 days total before referral to the Medical Oncology Center for systemic therapy
You may not qualify if:
- Metastatic picture of line following the first
- Technical or organizational inability to the eventual deadline for radiation treatments within 25 days of randomization
- Inability to express independent consent to treatments
- Pregnancy
- Patient in hospice or with prognosis \< 6 months
- Predicted unavailability for follow-up at 6 months
- Absence of adequate or likely non-repeatable pretreatment imaging study at 6 and 12 months
- Previous radiation therapy
- Previous radiometabolic therapy
- Inability to maintain treatment position for SBRT
- Symptomatic emergent or other presentation precluding study development as planned (e.g., epidural compression of the spinal cord or cauda equina)
- Previous chemotherapy, immunotherapy or target therapy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Policlinico Universitario Agostino Gemelli IRCSS
Rome, RM, 00168, Italy
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Clinical Professor
Study Record Dates
First Submitted
March 26, 2025
First Posted
April 10, 2025
Study Start
November 30, 2024
Primary Completion (Estimated)
October 30, 2029
Study Completion (Estimated)
November 30, 2029
Last Updated
May 11, 2025
Record last verified: 2025-03