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MRI DWI None-Gaussian Model Predicting Early Response to Immunotherapy in Digestive System Malignancies: a Prospective Observational Study

Magnetic Resonance Imaging (MRI) Diffusion-weighted Imaging (Dwi) None-Gaussian Model Predicting Early Response to Immunotherapy in Digestive System Malignancies: a Prospective Observational Study

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04500990
Enrollment
40
Registered
2020-08-06
Start date
2020-09-30
Completion date
2021-07-31
Last updated
2020-08-06

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

Conditions

Digestive System Neoplasm, Immunotherapy

Keywords

MRI, DWI, Digestive system malignancies, Early response

Brief summary

This is a prospective two cohorts observational study aimed to investigate the predicting value of MRI none-Gaussian model in digestive malignancies patients who received single agent PD-1/PD-L1 inhibitor or combined immunotherapy.

Interventions

RADIATIONMRI test

Patients will receive diagnostic MRI test on d0.

Sponsors

Peking University
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum

Inclusion criteria

* age ≥ 18 years, ECOG 0-1, expected survival ≥3 months; * pathologically confirmed digestive system adenocarcinoma, including but not restricted to gastric adenocarcinoma, colorectal cancer, pancreatic adenocarcinoma et al; * pathologically confirmed PD-L1 expression, or MMR-deficient (dMMR)/microsatellite instability (MSI-H) or high tumor mutation burden (TMB-H) or other indication for immunotherapy; * at least one target lesion, if there is no target lesion the thickness of cavity viscera lesion should exceed 1cm; * patients will receive single agent PD-1/PD-L1 inhibitor, or combined immunotherapy such as: lenvatinib, enrotinib or herceptin; * screening laboratory values must meet the following criteria: hemoglobin ≥ 9.0 g/dL; neutrophils ≥ 1500 cells/ μL; platelets ≥ 100 x 10\^3/ μL; total bilirubin ≤ 2.0 x upper limit of normal (ULN); aspartic transaminase (AST) and alanine transaminase (ALT) ≤ 2.5 x ULN without, and ≤ 5 x ULN with hepatic metastasis; serum creatinine ≤1.5 x ULN, and serum creatinine rate \>50μmol/L; activated partial thromboplastin time (APTT)、international normalized ratio (INR), prothrombin lime (PT)≤1.5×ULN; * echocardiography: left ventricular ejection fraction≥50% * volunteer participate, signed written informed consent form.

Exclusion criteria

* claustrophobia or other contraindication for MRI testing; * received prior anti-PD-1/PD-L1 or other immune checkpoint inhibitors; * combined immunotherapy contains chemotherapy agent; * contain other histology component except adenocarcinoma; * hypersensitivity after other monoclonal antibody infusion; * coexist other malignancy in last five years; * active autoimmune disease, or who received systemic treatment with corticosteroids (\> 10 mg daily prednisone equivalent) or other immunosuppressive medications within 2 weeks of first dose; * Cavity effusion (pleural effusion, ascites, pericardial effusion, etc.) are not well controlled, and need locally treatment or repeated drainage; * obvious bleeding tendency or had CTCAE≥3 grade; * subjects are eligible with clinically controlled and stable neurologic function ≥ 4 weeks, which is no evidence of CNS disease progression; subjects with spinal cord compression and cancerous meningitis are not eligible; * vaccination within 28 days of the first administration of trial treatment.

Design outcomes

Primary

MeasureTime frameDescription
Objective Response Ratefrom enrollment of the first subject until the database cut-off approximately 12 months later.The rate of patients reached complete response or partial response.

Secondary

MeasureTime frameDescription
Progress free survivalfrom enrollment of the first subject until the database cut-off approximately 12 months later.the time from enrollment to disease progression or death or loss of follow-up.
Overall survivalfrom enrollment of the first subject until the database cut-off approximately 12 months later.the time from enrollment to death or loss of follow-up.

Countries

China

Contacts

Primary ContactLin Shen, professor
linshenpku@163.com86-10-88196561
Backup ContactLin Shen, MD PhD

Outcome results

None listed

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