A Prospective, Multicenter Clinical Trial of Safety and Effectiveness of Nanosecond Knife Ablation for Liver Cancer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

190 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-04-01

Study Completion Date

2022-12-01

Brief Summary

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This is a prospective, multi-center, single-arm clinical trial. Four hospitals with national medical clinical trial institution qualifications are selected as clinical trial centers. Qualified participants will receive nanosecond pulse ablation therapy according to the routine procedures. The results will be recorded according to the requirements of the primary and secondary efficacy indicators. After then, statistical comparisons of effectiveness and safety of the product will be made according to groups.

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Detailed Description

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The prospective, multi-center, single-arm clinical trial is to evaluate whether the nanosecond knife can achieve the effectiveness and safety of liver cancer ablation treatment. Four hospitals with national medical clinical trial institution qualifications are selected as clinical trial centers. This clinical trial requires 190 subjects. Qualified participants will receive nanosecond pulse ablation therapy according to the routine procedures. The results will be recorded according to the requirements of the primary outcome (the effective rate of nanosecond knife ablation for liver cancer) and secondary outcomes (partial response rate, secondary ablation rate, progression-free survival, overall survival rate, quality of life score, alpha-fetoprotein levels, technical success rate, local control rate, complication rate, device Use satisfaction of nanosecond knife ablation for liver cancer). The first 2-month follow-up after the operation, CT, MR, CEUS, liver function, tumor markers were reviewed monthly to observe the lesion necrosis and tumor marker changes. After that, tumor markers, CEUS, or three-phase CT/MRI of liver were examined every 2 to 3 months. After two years, tumor markers, CEUS, or three-phase CT/MRI of liver were examined every 3 to 6 months. After then, statistical comparisons of effectiveness and safety of the product will be made according to groups.

Conditions

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Liver Cancer

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

To evaluate whether the nanosecond knife can achieve the effectiveness and safety of liver cancer ablation treatment.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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nanosecond knife group

This trial is a prospective, multi-center, single-arm clinical trial. Four hospitals with national medical clinical trial institution qualifications are selected as clinical trial centers. Qualified participants will receive nanosecond pulse ablation therapy according to the routine procedures. The results will be recorded according to the requirements of the primary and secondary efficacy indicators. After then, statistical comparisons of effectiveness and safety of the product will be made according to groups.

Group Type EXPERIMENTAL

nanosecond knife liver cancer ablation

Intervention Type PROCEDURE

This trial is a prospective, multi-center, single-arm clinical trial. Four hospitals with national medical clinical trial institution qualifications are selected as clinical trial centers. Qualified participants will receive nanosecond pulse ablation therapy according to the routine procedures. The results will be recorded according to the requirements of the primary and secondary efficacy indicators. After then, statistical comparisons of effectiveness and safety of the product will be made according to groups.

Interventions

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nanosecond knife liver cancer ablation

This trial is a prospective, multi-center, single-arm clinical trial. Four hospitals with national medical clinical trial institution qualifications are selected as clinical trial centers. Qualified participants will receive nanosecond pulse ablation therapy according to the routine procedures. The results will be recorded according to the requirements of the primary and secondary efficacy indicators. After then, statistical comparisons of effectiveness and safety of the product will be made according to groups.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Liver malignant tumors with clear histopathology and cytology, or liver malignant tumors that meet clinical diagnosis and staging criteria.
2. Age: 18-75 years old, regardless of gender.
3. Liver function: Child-Pugh A or B, or Child C will reach B.
4. No serious heart, lung, brain and other organ dysfunction. Normal or nearly normal blood coagulation function. Prothrombin time does not exceed 50% of the normal control, and platelets are more than 50 × 109 / L.
5. It is usually suitable for single tumor with a maximum diameter of ≤5cm, or the number of tumors of ≤3 and a maximum diameter of ≤3cm.
6. For single tumors \> 5 cm in diameter that cannot be surgically removed, or multiple tumors with a maximum diameter \> 3 cm, local ablation can be used as p palliative comprehensive treatment.
7. According to CT and MRI, there are no macrovascular and bile duct invasions visible by the naked eye.
8. Patients signed informed consent to participate in the trial.

Exclusion Criteria

1. The lesion of liver cancer is huge or diffuse ;
2. Merged portal vein to secondary branch tumor thrombus or hepatic vein tumor thrombus, invasion of nearby organs or distant metastasis;
3. tumors located on the surface of the liver, of which more than 1/3 tumor size are bare;
4. liver function: Child-pugh C, those could not improve after liver protective treatment;
5. Esophageal (bottom of stomach) varices rupture and bleeding within 1 month before treatment;
6. Uncorrectable coagulation dysfunction and severe haematological abnormalities, who tend to severe bleeding;
7. Refractory large amount of ascites and cachexia;
8. active infection, especially inflammation of the biliary system;
9. Severe failure of major organs such as liver, kidney, heart, lung and brain;
10. Patients with unconsciousness or unable to cooperate with treatment;
11. Subjects could not be followed up and fell off;
12. Those who discontinued treatment, or the case records were incomplete for various reasons, and were determined by researchers to be unable to be evaluated.

Eligible Sex

ALL

Accepts Healthy Volunteers

No