Hydralazine and Valproate Plus Cisplatin Chemoradiation in Cervical Cancer

2014-08-27 03:41:25 | BioPortfolio


The current standard for locally advanced cervical cancer is concurrent cisplatin-based chemotherapy, however, the treatment results need to be improved. Epigenetic aberrations play an important role in cancer progression by silencing growth regulatory genes and there is now evidence that inhibitors of DNA methylation and HDAC inhibition synergize the radiation and chemotherapy effects.

Objective. To determine response rate, safety and biological effects of hydralazine and magnesium valproate when added to cisplatin chemoradiation.

Hypothesis. Hydralazine and magnesium valproate associated to chemoradiation will increase the clinical complete response rate to 95% as compared to 75% as seen in historical controls treated with cisplatin chemoradiation in FIGO stage IIIB patients.

Metodology. A total of 17 FIGO stage IIIB patients with histologically confirmed cervical carcinoma with no previous treatment will be included. Patients will be typed for acetylator status and and then receive either 182 or 83 mg of hydralazine, and magnesium valproate at 40mg/Kg from day -7 to the end of chemoradiation (external and brachytherapy). Clinical response rate, safety and transcriptome changes will be analyzed.


Eligible patients after signing informed consent will undergo study evaluation and then typed for acetylator phenotype before receive either 182 or 83 mg of hydralazine, and magnesium valproate at 30mg/Kg from day -7 to the end of chemoradiation (external and brachytherapy. External beam radiation will be delivered by megavoltage equipment for a dose of 50gy (2Gy fraction from monday to friday) concurrently with cisplatin at 40mg/m2 for six weeks. Within one to two weeks, intracavitary brachytherapy (low-dose rate, Cesium sources) will be delivered to achieve at least 85Gy to point A. A punch biopsy from the primary tumor will be taken at entering the study and at day 8 of hydralazine and valproate treatment (before the first dose of cisplatin and radiation)to assess global gene expression profiling by microarray analysis. Blood samples will be taken to assess global DNA methylation, histone deacetylase activity and plasma levels of hydralazine and valproic acid.

Clinical response and toxicity will be assessed.

Study Design

Allocation: Non-Randomized, Control: Uncontrolled, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Cervical Cancer


Hydralazine and magnesium valproate, Punch biopsy of the primary tumor


National Institute of Cancerologia
Mexico City




National Institute of Cancerología

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:41:25-0400

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Medical and Biotech [MESH] Definitions

First lymph node to receive drainage from the primary tumor. SENTINEL LYMPH NODE BIOPSY is performed to determine early METASTASIS status because cancer cells may appear first in the sentinel node.

Magnesium chloride. An inorganic compound consisting of one magnesium and two chloride ions. The compound is used in medicine as a source of magnesium ions, which are essential for many cellular activities. It has also been used as a cathartic and in alloys.

Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses.

A nutritional condition produced by a deficiency of magnesium in the diet, characterized by anorexia, nausea, vomiting, lethargy, and weakness. Symptoms are paresthesias, muscle cramps, irritability, decreased attention span, and mental confusion, possibly requiring months to appear. Deficiency of body magnesium can exist even when serum values are normal. In addition, magnesium deficiency may be organ-selective, since certain tissues become deficient before others. (Harrison's Principles of Internal Medicine, 12th ed, p1936)

Conducting a biopsy procedure with the aid of a MEDICAL IMAGING modality.

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