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A prospective observational study on the efficacy and safety of neoadjuvant gemcitabine + nab-paclitaxel chemotherapy on survival for curative unresectable pancreatic body and tail cancer with imaging-based splenic artery and vein invasion.

A prospective observational study on the efficacy and safety of neoadjuvant gemcitabine + nab-paclitaxel chemotherapy on survival for curative unresectable pancreatic body and tail cancer with imaging-based splenic artery and vein invasion. - A prospective observational study on the efficacy and safety of neoadjuvant gemcitabine + nab-paclitaxel chemotherapy on survival for curative unresectable pancreatic body and tail cancer with imaging-based splenic artery and vein invasion.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000055760
Enrollment
50
Registered
2024-11-08
Start date
2024-11-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

pancreatic body and tail adenocarcinoma

Interventions

None listed

Sponsors

Tokai University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1 Cases in which the primary lesion has been confirmed to be pancreatic cancer by histology, cytology, or imaging, and the extent of the disease has been diagnosed by imaging diagnosis, and among cases that meet the criteria for resectable pancreatic body and tail cancer in the NCCN Guidelines (Version 1.2020), those with unresectable pancreatic body and tail cancer with splenic artery and vein invasion by imaging diagnosis 2 Cases with measurable lesions 3 Cases undergoing initial treatment 4 Cases with performance status (ECOG)of 0 or 1 5 Cases aged 18 years or older at the time of consent 6 Cases whose major organ functions meet the following criteria(latest values within 14 days prior to enrollment) White blood cells: up to12,000/mm3 Neutrophils: over 1,500/mm3 Hemoglobin level: over 9.0g/dL Platelets: over 100,000 /mm3 Total bilirubin:less than 2.0mg/dL (less than 3.0mg/dL in cases of reduced jaundice) Serum creatinine: up to 1.5mg/dL AST and ALT: 2.5 X upper limit of facility standard or less 7 Patients who have signed consent to participate in this study prior to enrollment

Exclusion criteria

Exclusion criteria: 1. Patients with a history of severe drug hypersensitivity or drug allergy 2. Patients with a history of malignant tumors (Patients with a recurrence-free period of 5 years or more, and patients with endoscopically curatively resected intramucosal cancer, curatively resected cervical cancer, basal cell carcinoma of the skin, or squamous cell carcinoma of the skin may be enrolled) 3. Patients with active infections 4. Patients with peripheral sensory neuropathy (Grade 2 or higher) 5. Patients with a history of interstitial pneumonia or pulmonary fibrosis 6. Patients with uncontrollable ascites or pleural effusion 7. Patients with uncontrollable diabetes mellitus 8. Patients with uncontrollable congestive heart failure, angina pectoris, hypertension, or arrhythmia 9. Patients with a history or comorbidity of significant neurological or psychiatric disease 10. Patients with diarrhea (including increased stool frequency and watery stools) 11. Pregnant women, lactating women, and those who may be pregnant (or intend to become pregnant), or those who have been pregnant for a certain period (180 days) during the clinical trial or after the final administration of the investigational drug Women and men who have no intention of using contraception. 12. Other cases that a doctor judges to be inappropriate for participation in the clinical trial. 13. Those whose stage of disease is diagnosed by MDCT and meets the Borderline Resectable/Unresectable criteria of the NCCN Guidelines (Version 1.2020). 14. Patients with active hepatitis B

Design outcomes

Primary

MeasureTime frame
Overall survival after initiation of protocol treatment

Secondary

MeasureTime frame
1. Recurrence-free survival after initiation of protocol treatment 2. Safety (adverse events) of protocol treatment (gemcitabine + nab-paclitaxel therapy) (CTCAE Ver 4.0.) 3. Rate of all surgical complications of Clavien-Dindo classification Grade III or higher during postoperative hospital stay 4. Response rate of preoperative chemotherapy (RECIST Ver1.1) and disease control rate 5. Tumor marker (CA19-9, CEA) normalization rate before and after preoperative chemotherapy 6. Reduction rate of SUVmax value of primary tumor by PET-CT examination 7. Histological treatment effect (Grade based on tumor cell disappearance rate according to Evans criteria) 8. Resection rate 9. Radical resection rate (R1 or R0; R1: no macroscopic residual cancer, R0: no histological residual cancer) 10. Surgery-related results (operation time, blood loss, transfusion, length of hospital stay after surgery) 11. Postoperative complication rate (reoperation rate, readmission rate within 90 days after discharge, surgery-related mortality) 12. Adjuvant chemotherapy initiation rate 13. Dose intensity

Countries

Japan

Contacts

Public ContactYoshihito Masuoka

Tokai University School of Medicine Department of Gastroenterological Surgery

y-masu@is.icc.u-tokai.ac.jp0463931121

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026