Ovarian cancer medical therapy: Difference between revisions
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==MedicalTherapy== | ==MedicalTherapy== | ||
* [[Chemotherapy]] is used after surgery to treat any residual disease, if appropriate. This depends on the [[histology]] of the tumor; some kinds of tumor (particularly [[teratoma]]) are not sensitive to chemotherapy. In some cases, there may be reason to perform chemotherapy first, followed by surgery. | * Ovarian cancer is usually diagnosed in its late stages due to its subclinical or nonspecific symptoms. | ||
*The mainstay of definitive diagnosis and initial management of ovarian cancer is surgical operation to determine if it is benign or malignant, determine its stage and grade, and then treat it accordingly. | |||
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*[[Chemotherapy]] is used after surgery to treat any residual disease, if appropriate. This depends on the [[histology]] of the tumor; some kinds of tumor (particularly [[teratoma]]) are not sensitive to chemotherapy. In some cases, there may be reason to perform chemotherapy first, followed by surgery. | |||
* Many [[oncologists]] recommend [[intravenous]] (IV) chemotherapy including a [[platinum]] drug with a [[taxane]] as a preferred method of treating advanced ovarian cancer. However, three recent randomized studies [http://www.cancer.gov/newscenter/pressreleases/IPchemotherapyrelease clinical trials] suggest that chemotherapy that is partly IV and partly via direct infusion into the [[abdominal cavity]] ([[intraperitoneal]] or IP) may improve median survival time. | * Many [[oncologists]] recommend [[intravenous]] (IV) chemotherapy including a [[platinum]] drug with a [[taxane]] as a preferred method of treating advanced ovarian cancer. However, three recent randomized studies [http://www.cancer.gov/newscenter/pressreleases/IPchemotherapyrelease clinical trials] suggest that chemotherapy that is partly IV and partly via direct infusion into the [[abdominal cavity]] ([[intraperitoneal]] or IP) may improve median survival time. | ||
Revision as of 14:53, 11 July 2019
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Medical therapies, such as chemotherapy and radiation, are often employed post-surgerical therapy as a means to treat residual disease. The success of medical therapy often hinges on the histology of the tumor.
MedicalTherapy
- Ovarian cancer is usually diagnosed in its late stages due to its subclinical or nonspecific symptoms.
- The mainstay of definitive diagnosis and initial management of ovarian cancer is surgical operation to determine if it is benign or malignant, determine its stage and grade, and then treat it accordingly.
- Chemotherapy is used after surgery to treat any residual disease, if appropriate. This depends on the histology of the tumor; some kinds of tumor (particularly teratoma) are not sensitive to chemotherapy. In some cases, there may be reason to perform chemotherapy first, followed by surgery.
- Many oncologists recommend intravenous (IV) chemotherapy including a platinum drug with a taxane as a preferred method of treating advanced ovarian cancer. However, three recent randomized studies clinical trials suggest that chemotherapy that is partly IV and partly via direct infusion into the abdominal cavity (intraperitoneal or IP) may improve median survival time.
- IP chemotherapy generally has higher toxicity and its advantages are still debated among specialists.
- Currently for Stage IIIC ovarian adenocarcinomas after optimal debulking, median time for survival is statistically significantly longer for patient receiving intraperitoneal chemotherapy.
- Patients in this clinical trial did report less compliance with IP chemotherapy, and fewer than half of the patients received all six cycles of IP chemotherapy.
- Despite this high "drop-out" rate, the group as a whole (including the patients that didn't complete IP chemotherapy treatment) survived longer on average than patients who received intravenous chemotherapy alone. These results can be interpreted in couple of ways. One could argue if the IP chemotherapy treatment group had completed the six cycles of chemotherapy their lives would have been prolonged even longer. Or the advantages of receiving IP chemotherapy are significant in the early phases of chemotherapy. Some specialists believe the IP chemotherapy toxicities will be unnecessary with improved IV chemotherapy drugs currently being developed.
- Radiation therapy is not effective for advanced stages because when vital organs are in the radiation field, a high dose cannot be safely delivered.