简介:
Overview
This article presents a detailed protocol for performing isolated liver perfusion (IHP) with melphalan, a treatment option for liver metastases of uveal melanoma. The procedure aims to deliver high concentrations of chemotherapy directly to the liver while minimizing systemic toxicity.
Key Study Components
Area of Science
- Oncology
- Hepatology
- Clinical Protocols
Background
- Uveal melanoma is the most common primary intraocular malignancy in adults.
- Approximately 50% of patients develop metastatic disease, primarily to the liver.
- The median survival for patients with liver metastasis is about six to twelve months.
- Isolated hepatic perfusion (IHP) is a technique designed to treat liver metastases while avoiding systemic toxicity.
Purpose of Study
- To describe the IHP procedure using melphalan for treating liver metastases from uveal melanoma.
- To evaluate the effectiveness and safety of IHP in clinical settings.
- To provide a comprehensive protocol for researchers and clinicians.
Methods Used
- Placement of catheters into femoral and external jugular veins for venous shunting.
- Clamping of the caval vein and insertion of catheters into the hepatic artery and caval vein.
- Connection to a heart-lung machine to facilitate perfusion.
- Perfusion of the liver with melphalan for 60 minutes at a controlled temperature.
Main Results
- The overall response rate to IHP for isolated liver metastasis of uveal melanoma is 61%.
- Complete response rate is reported at 8%.
- Median survival varies between nine and 24 months.
- Mortality rates associated with the procedure range from 0% to 22%.
Conclusions
- IHP with melphalan shows promise as a treatment for liver metastases from uveal melanoma.
- Further studies are needed to optimize patient selection and improve outcomes.
- The protocol provides a foundation for future research and clinical application.
What is isolated hepatic perfusion?
Isolated hepatic perfusion (IHP) is a surgical technique that delivers high concentrations of chemotherapy directly to the liver while minimizing systemic exposure.
What is melphalan?
Melphalan is a chemotherapy drug used in the treatment of various cancers, including uveal melanoma.
How does IHP improve treatment outcomes?
IHP allows for targeted delivery of chemotherapy to the liver, potentially increasing drug concentration at the tumor site while reducing side effects.
What are the risks associated with IHP?
Risks include complications from surgery, potential liver damage, and variability in patient response.
What is the expected survival rate after IHP?
The median survival after IHP for liver metastases from uveal melanoma ranges from nine to 24 months, depending on various factors.
How is the IHP procedure performed?
The procedure involves catheter placement, clamping of blood vessels, and perfusion of the liver with chemotherapy for a specified duration.