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To investigate the application of 3D printing technology in the efficacy evaluation of non-surgical treatment of solid tumors of the digestive system

To investigate the application of 3D printing technology in the efficacy evaluation of non-surgical treatment of solid tumors of the digestive system

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300078527
Enrollment
Unknown
Registered
2023-12-11
Start date
2023-12-11
Completion date
Unknown
Last updated
2023-12-19

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

Conditions

Gastric cancer, liver cancer and colorectal cancer

Interventions

Gold Standard: WHO standards, RECIST1.1 standards and mRECIST standards
Index test:In this study, 3D printing technology was used to compare the internal diameter (the maximum diameter of the tumor in 3D), 3D cube volume (the volume of the cube outside the tumor), absolut

Sponsors

Second Hospital of Lanzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: (1) aged between 18 and 75 years old; (2) the pathological and imaging diagnosis of gastric cancer, colorectal cancer, liver cancer patients with digestive system malignant tumor; (3) patients received regular cycle of tumor therapy; (4) The patient's tumor lesions met the definition of target lesions according to the existing criteria; (5) No non-measurable lesions occurred during the observation period.

Exclusion criteria

Exclusion criteria: (1) patients with early resectable tumors; (2) in the treatment of observation period before and after treatment success, surgical removal of the tumor patients; (3) patients who have evidence of tumor efficacy without evaluation by the existing criteria during the observation period; (4) patients with complete remission (CR) indicated by imaging after treatment.

Design outcomes

Primary

MeasureTime frame
Duration of survival;Accuracy ;Sensitivity;Specificity ;

Secondary

MeasureTime frame
Positive predicative value ;negative predictive value;

Countries

China

Contacts

Public ContactHao Chen

The Second Hospital of Lanzhou University

ery_chenh@lzu.edu.cn+86 150 0946 7790

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026