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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05361538
Other study ID # drjingxiang005
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date June 22, 2022
Est. completion date June 1, 2025

Study information

Verified date December 2022
Source Tianjin Third Central Hospital
Contact Xiang Jing, MD
Phone 02284112323
Email dr.jingxiang@aliyun.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Comparison of the progression-free survival, overall survival, local progression rates, complete ablation rates and the complications rate of MSA and traditional MWA in the treatment of single hepatocellular carcinoma with a diameter of ≤5cm.


Description:

HCC is a serious threat to the health of people,Early treatment of HCC results in a good prognosis for patients. Microwave ablation (MWA) is an important method for the treatment of early HCC. The traditional MWA technology has a long diameter of the ablation foci which is much larger than the transverse diameter, so in order to obtain a sufficient transverse diameter, the long diameter is often too large beyond the tumor boundary. That will cause too much normal liver tissue is unnecessarily damaged, especially for patients with severe liver cirrhosis or patients with liver cirrhosis who have undergone liver resection. In addition, it is easy to cause damage to adjacent vital tissues and organs. Changes in tissue properties during ablation affect the stability of the microwave field, resulting in unpredictable ablation shapes, which may cause omissions during tumor ablation, especially in multiple overlapping ablation, resulting in incomplete ablation, or increasing the risk of local tumor progression after treatment. Microwave spherical ablation (MSA) technology is a new MWA technology. With the help of temperature control technology, field control technology and wave control technology, a single needle can produce predictable spherical ablation lesions. Theoretically, MSA can improve the controllability of the ablation foci, which is suitable for the purpose of conformal ablation of large tumors in clinical practice, thereby minimizing the damage of local thermal ablation to liver tissue and adjacent important organs. However, there are few reports on the comparison of the therapeutic effect of MSA and traditional MWA. This study intends to conduct a prospective randomized controlled study based on the two mature microwave treatment methods of MSA and traditional MWA ablation to explore the effectiveness and safety of MSA in clinical application, providing evidence-based medical evidence for the clinical application of MSA.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date June 1, 2025
Est. primary completion date June 1, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: 1. Patient has high risk factors for HCC and was first diagnosed of HCC by by contrast-enhanced imaging (CECT/CEMRI/CEUS) and/or pathology ; 2. Age range 18 to 75 years old; 3. Single lesion with tumor diameter =5cm; 4. Patient refuses surgery and determines to undergo microwave ablation 5. Liver function Child Pugh A or B; 6. No extrahepatic metastasis or portal invasion; 7. Patient signs the informed consent. Exclusion Criteria: 1. The lesion has received treatment, including local ablation therapy and TACE therapy, etc; 2. With portal vein invasion or extrahepatic metastases; 3. Patient is with severe cardiopulmonary insufficiency. 4. Patient is a pregnant or breastfeeding women. 5. Patient is considered to be unsuitable to participate in the study

Study Design


Intervention

Device:
True circular microwave needle
Use true circular microwave needle for thermal ablation

Locations

Country Name City State
China Tianjin Third Central Hospital Tianjin Tianjin

Sponsors (1)

Lead Sponsor Collaborator
Tianjin Third Central Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Comparison of progression-free survival between MSA and traditional MWA in HCC Compare the time to tumor progression after therapy of MSA and traditional MWA in the treatment of single hepatocellular carcinoma with a diameter of =5 cm 6 to 12 months
Secondary Comparison of the overall survival of MSA and traditional MWA in HCC Compare the time to of all-cause mortality after therapy of MSA and traditional MWA in the treatment of single hepatocellular carcinoma with a diameter of =5cm 12 to 60 months
Secondary Comparison of local progression rates of MSA and traditional MWA in HCC Local progression was defined as new lesions with hyperenhancement in the arterial phase and low enhancement in the portal or delayed phase found adjacent to the ablation lesion (=5 mm) during follow-up. Compare the local progression rates after therapy of MTA and traditional MWA in the treatment of single hepatocellular carcinoma with a diameter of = 5 cm 6 to 12 months
Secondary Comparison of complete ablation rates of MSA and traditional MWA in HCC Complete ablation was defined as the tumor showing no enhancement in three stages on contrast-enhanced imaging. Compare the rate of complete ablation after therapy of MTA and traditional MWA in the treatment of single hepatocellular carcinoma with a diameter of =5 cm 1 month
Secondary Comparison of the complications rate of MSA and traditional MWA in HCC Compare the rate of the complications during and after the therapy of MSA and traditional MWA in the treatment of patients with single hepatocellular carcinoma with a diameter of =5cm immediately
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