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3D Printed Models for Liver Surgery

The Clinical Value of 3D Self-healing Elastic Liver Model for Surgical Training and Preoperative Planning: a Preliminary Study

Status
UNKNOWN
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06006338
Enrollment
5
Registered
2023-08-23
Start date
2023-09-15
Completion date
2024-02-29
Last updated
2023-09-21

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

Conditions

Liver Cancer

Brief summary

Comprehensive preoperative planning and real-time intraoperative guidance are essential prerequisites for achieving precise liver resection. In pursuit of this goal, the investigators have developed innovative 3D printed liver models utilizing a physically crosslinked self-healing elastomer created through the copolymerization of 4-acryloylmorpholine (ACMO) and methoxy poly (ethylene glycol) acrylate (mPEGA). These printed models exhibit exceptional healing capabilities, efficiently restoring their structure within minutes at room temperature, and rapidly recovering within moments after being incised. Herein, the investigators aim to assess the viability of employing these 3D printed liver models as instrumental tools in designing the optimal surgical approach through an iterative trial-and-error methodology. Concurrently, the investigators aim to determine whether the integration of these 3D printed models into conventional methods (contrast-enhanced CT or MRI) can enhance the safety, ease, and efficiency of hepatic resection procedures.

Interventions

OTHER3D Printed Model for preoperative planning

Besides conventional preoperative planning based on contrast-enhanced CT/MRI, the investigator refers to a 3D printed model to determine the optimal surgical approach via a trial-and-error method. Specifically, a personalized 3D printed model is fabricated. By referring to the printed model and CT/MRI images, a preliminary surgical trace is determined. Then, a simulation surgery is performed on the model, and surgical margin and the potential injury of vital vascular structures are evaluated. This assessment leads to the adjustment of the surgical path as necessary. The refined surgical route is then validated through a second simulation surgery performed on the healed 3D model. This iterative process is repeated multiple times, allowing for a comprehensive exploration of various approaches until the optimal surgical strategy crystallizes. Next, the investigator proceeds to execute the real surgery on the participant, meticulously adhering to the determined optimal surgical approach.

Sponsors

Zhejiang Cancer Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DEVICE_FEASIBILITY
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

1. 18-80 years old; 2. Patients with a resectable tumor in the liver; 3. Eastern Cooperative Oncology Group Performance status score: 0; 4. Child-Pugh classification: A; 5. The Laboratory test results meet the following criteria and patients can tolerate surgery: Haemoglobin≥90g/L, Neutrophil count≥1.5×10⁹/L, Platelet count≥100×10⁹/L, Aspartate or alanine aminotransferase≤5 upper limits of normal(ULN), alkaline phosphatase≤2.5 ULN, Serum albumin≥30g/L, serum creatinine\<1.5 ULN, International normalized ratios(INR)≤2 or Prothrombin time(PT)exceed ULN≤6s, Creatinine clearance≥60 mL/min.

Exclusion criteria

1. Patients with extra-hepatic metastasis; 2. Anti-cancer therapy or surgery such as radiotherapy, radiofrequency ablation in 28 days prior to the surgery; 3. Clinically significant bleeding or bleeding tendencies within 3 months prior to enrollment or on thrombolytic or anticoagulant therapy; 4. Severe lung disease (eg, acute lung disease, pulmonary fibrosis that affects lung function, interstitial lung disease), uncontrolled diabetes mellitus (fasting blood glucose ≥10 mmol/L); 5. There are other unsuitable candidates for clinical trials, such as mental illness or alcohol dependence.

Design outcomes

Primary

MeasureTime frameDescription
R0 resection rate10 daysThe proportion of patients who achieved pathological negative surgical margin

Secondary

MeasureTime frameDescription
Injury of vital vascular structuresImmediately after the surgery.The Injury of vital vascular structures, such as portal veins or hepatic veins.
Operation timeImmediately after the surgery.Time length (minute) between the beginning and the end of the surgery.
Blood lossImmediately after the surgery.The amount of lost blood (ml) in the operation.

Countries

China

Contacts

Primary ContactChaoqun Fei
ec@zjcc.org.cn+086-0571-88122564

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 9, 2026