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- Although mTOR is clearly an attractive therapeutic target in tumor, no clinical study on mTOR inhibition by RAD001 has been systematically conducted in adenoid cystic carcinoma.
- In phase I study of RAD001, 2 patients with adenoid cystic carcinoma show some response to RAD001 (unpublished data).
- So the investigators design this phase II study of RAD001 in adenoid cystic carcinoma to evaluate the efficacy of RAD001 in this orphan disease.
Although the histologic appearance of adenoid cystic carcinoma is low grade, management of this malignancy is a distinct therapeutic challenge because of its insidious local growth pattern, propensity for perineural involvement, tendency for distant metastasis, and pronounced ability to recur over a prolonged period.
In prospectively performed clinical trials, objective responses to any cytotoxic agent or regimen are infrequent, whereas stabilization of disease was observed more commonly.
In adenoid cystic carcinoma, the study focusing on PI3-K/AKT/mTOR pathway is rare.
According to Younes MN et al's study, adenoid cystic carcinoma cell lines have increased pAkt activity when EGF-stimulation is added. And when treated with EGFR/VEGFR TK dual inhibitor, the phosphorylated form of Akt decreased despite of total level of Akt is remained unchanged.
When the investigators consider that the increased pAkt activity is one of possible predictor to mTOR inhibitor, the mTOR inhibitor might have an activity in adenoid cystic carcinoma.
Although mTOR is clearly an attractive therapeutic target in tumor, no clinical study on mTOR inhibition by RAD001 has been systematically conducted in adenoid cystic carcinoma.
In phase I study of RAD001, 2 patients with adenoid cystic carcinoma show some response to RAD001 (unpublished data).
So the investigators design this phase II study of RAD001 in adenoid cystic carcinoma to evaluate the efficacy of RAD001 in this orphan disease.
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Adenoid Cystic Carcinoma
Seoul National University Hospital
Korea, Republic of
Seoul National University Hospital
Published on BioPortfolio: 2014-07-23T21:08:39-0400
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Tracheal adenoid cystic carcinoma (ACC) is rare and accounts for
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Carcinoma characterized by bands or cylinders of hyalinized or mucinous stroma separating or surrounded by nests or cords of small epithelial cells. When the cylinders occur within masses of epithelial cells, they give the tissue a perforated, sievelike, or cribriform appearance. Such tumors occur in the mammary glands, the mucous glands of the upper and lower respiratory tract, and the salivary glands. They are malignant but slow-growing, and tend to spread locally via the nerves. (Dorland, 27th ed)
A cystic growth originating from lymphatic tissue. It is usually found in the neck, axilla, or groin.
A condition in which abnormal cells have not spread outside the duct, lobule, or nipple to other tissues of the breast. There are 3 types of breast carcinoma in situ: DUCTAL CARCINOMA IN SITU; LOBULAR CARCINOMA IN SITU; and PAGET DISEASE OF THE NIPPLE
A transplantable carcinoma of the rat that originally appeared spontaneously in the mammary gland of a pregnant albino rat, and which now resembles a carcinoma in young transplants and a sarcoma in older transplants. (Stedman, 25th ed)
An adenocarcinoma characterized by the presence of cells resembling the glandular cells of the ENDOMETRIUM. It is a common histological type of ovarian CARCINOMA and ENDOMETRIAL CARCINOMA. There is a high frequency of co-occurrence of this form of adenocarcinoma in both tissues.
In a clinical trial or interventional study, participants receive specific interventions according to the research plan or protocol created by the investigators. These interventions may be medical products, such as drugs or devices; procedures; or change...