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First Line gastroeSOphageal metastatiC canceR primAry and disTant (if Oligometastatic) lEsions-directed Radiotherapy, a Multicentric, Phase III, Randomized Controlled Trial

First Line gastroeSOphageal metastatiC canceR primAry and disTant (if Oligometastatic) lEsions-directed Radiotherapy, a Multicentric, Phase III, Randomized Controlled Trial

Status
Active, not recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06922279
Acronym
SOCRATE
Enrollment
108
Registered
2025-04-10
Start date
2024-11-30
Completion date
2029-11-30
Last updated
2025-05-11

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

Conditions

Gastroesophageal Cancer (GC)

Keywords

Gastroesophageal cancer, metastatic gastroesophageal cancer

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.

Interventions

RADIATIONRadiation Therapy + standard sistemic therapy (chemoteraphy)

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).

DRUGStandard systemic therapy (chemotherapy)

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

Sponsors

Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 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

Exclusion criteria

* 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

Design outcomes

Primary

MeasureTime frameDescription
Disappearance of symptomsFrom the week after the treatment up to 12 months afterPercentage difference in the rate of patients with symptom (from primary tumor or metastasis) developed within the first 6 months.

Secondary

MeasureTime frameDescription
Pain levelFrom the week after the treatment up to 12 months afterLevel of metastasis-associated or primary pain (presence/absence, level and response) at 6 months
Radiotherapy useFrom the week after the treatment up to 12 months afterRate of recourse to Radiotherapy for pain, obstruction, bleeding or other symptom referable to the primary at 6 months from randomization (and not present at randomization)

Countries

Italy

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026