Abstract Library

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ENETS Abstract Search

#3029 Adrenocortical Carcinoma Metastasic in Adult on Complete Response with EDP-M and Local Therapy: A Single Case Report

Introduction: Adrenocortical carcinoma (ACC) in adults is a rare tumor (incidence 0.7-2/1000000/year). Median overall survival is 3-4 years and five-year survival is 0-28% in metastatic disease. The only curative therapy is complete surgical resection, plus adjuvant therapy depending on poor prognostic factors (ENSAT stage III, R1 resection or Ki67>10%). Both recurrent oligometastatic disease and patients who respond to systemic treatment (ST), a radical approach with surgery or local therapy (LT) may be treatment options.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Morales Herrero R, Herrero Rivera D, Santos Fernández P, Benavent M,

Keywords: ACC, chemotherapy, mitotane, local therapy,

#1641 Somatostatin Receptor Expression in Adrenocortical Carcinoma

Introduction: Adrenocortical carcinoma (ACC) is an uncommon neoplasm with an estimated annual incidence of 0.5-2 cases per million population. Surgery of the adrenal tumor is the major treatment. When complete tumor removal is not possible, or in case of recurrence, medical treatment with O,p’DDD(mitotane) is recommended. The treatment of ACC is currently based on the mitotane partial responses have been described in 19-34% of cases, and there are single reports of complete responses.The discovery of somatostatin (SST) and the identification of stable SST analogs with a longer half-life have raised new hopes for the treatment of endocrine tumors.

Conference: 14th Annual ENETSConcerence (2017)

Presenting Author:

Authors: Voronkova I, Gurevich L, Kazanceva I, Krivosheev A, Britvin T,

Keywords: Adrenocortical carcinoma, Somatostatin receptor, Immunohistochemistry,

#1163 Mitotane, Adrenolitic Drug, Inhibits Cell Survival and Function of Several Pituitary Cytotypes

Introduction: Mitotane (DDD) is an adrenolytic agent that is used for the treatment of adrenocortical carcinoma. We previously demonstrated that DDD affects thyrotrope cell viability and function. These data represent a possible explanation of the biochemical picture consistent with central hypothyroidism in patients undergoing DDD therapy. DDD also inhibits corticotrope cell viability by inducing caspase-mediated apoptosis and reduces POMC expression as well as basal and CRH-induced ACTH secretion. Cells originating from tissues different from pituitary are not sensitive to the inhibitory effects of DDD. Our data suggest that DDD inhibits cell survival and function of many pituitary cytotypes, acting with a generalized, but specific, toxic effect. The majority of male patients undergoing adjuvant DDD therapy show a clinical picture of hypogonadism, characterized by low free testosterone and unmodified LH concentration

Conference: 12th Annual ENETSConcerence (2015)

Presenting Author: Gentilin E

Authors: Gentilin E, Gagliano T, Benfini K, Di Pasquale C, Falletta S,

Keywords: mitotane, adrenocortical cancer, pituitary,

#257 Doxorubicin, Etoposide and Cisplatin as first-line Treatment in Advanced Adrenocortical Carcinoma

Introduction: Adrenocortical carcinoma (ACC) is a rare cancer with poor prognosis in advanced setting due to its low chemosensibility. Mitotane and cisplatin-based regimens are the most frequently used treatments.

Conference: 8th Annual ENETSConcerence (2011)

Presenting Author:

Authors: J Fonseca F, Vieitez J, Crespo G, Frunza M, Izquierdo M,

Keywords: adrenocortical carcinoma, chemotherapy, cisplatin-regimen, Doxorrubicin, Etoposide, Mitotane,

#66 Adrenocortical cancer: a therapeutic approach with everolimus (RAD001)

Introduction: Adrenocortical cancer (ACC) is a rare disease with very poor outcome. ACC responds poorly to standard chemotherapy. Mitotane, used as adjuvant therapy to surgery, prolongs recurrence-free survival, but the response is limited to 23% of patients and resistance occurs in the majority of patients (1). There is no curative therapy for ACC. Pre-clinical studies have shown involvement of both IGF-2/IGF-1R and Akt/mTOR pathways in ACC, and IGF-1R and mTOR inhibitors inhibited cell proliferation of human adrenocortical carcinoma cell lines in vitro (2,3,4).

Conference: 7th Annual ENETSConcerence (2010)

Presenting Author:

Authors: Gueorguiev M, Bhattacharya S, Grossman A,

Keywords: adrenocortical cancer, mTOR inhibitors, everolimus,