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Brief Title: Evaluation of Clinical Impact of Interruption VS Maintenance of AI in Patients With Locally Advanced/ Metastatic Low Grade Endometrial Stromal Sarcoma (LGESS)
Official Title: Randomized Comparative Prospective Multicentre Phase II Trial Evaluating Clinical Impact of Interruption VS Maintenance of AI in Patients With Locally Advanced/ Metastatic LGESS
Study ID: NCT03624244
Brief Summary: The primary objective is to compare the progression-free survival (PFS) between aromatase inhibitors interruption and aromatase inhibitors maintenance strategies in patients with a locally advanced or metastatic Low Grade Endometrial Stromal Sarcoma (LGESS).
Detailed Description: Uterine sarcomas are rare tumors with an incidence of 1.7/100 000 women per year, including 20% of endometrial stromal sarcomas (ESS). Patients with low grade ESS (LGESS) have a good prognosis with a 5-year overall survival rates ranging from 66 to 98%, depending on the stage of the disease. Majority of LGESS report estrogen receptor (ER) and/or progesterone receptor positive and a chromosomal translocation with JAZF1-SUZ12. Based on the current European Society of Medical Oncology (ESMO)guidelines, the standard treatment for patients with early/non metastatic ESS is total hysterectomy plus or less bilateral salpingo-oophorectomy. The use of hormonal therapy (HT) for advanced or metastatic disease is recommended based on retrospective data from small series providing evidence that HT have an anti-tumor activity on LGESS. HT includes aromatase inhibitors (AI), progestins and gonadotrophin-releasing hormone. Very few data are available in this rare disease, but retrospective analyses show that AI may provide response rates of 46 to 67% in metastatic LGESS patients (7% complete response, 60% partial response), with a mean duration of response of 24 months. Even if AI are effective and well tolerated, chronical mild to moderate (grade 1-2) side-effects (arthritis, hot-flashes, osteoporosis, hypercholesterolemia, cardiac events) have a negative impact on patient's well-being because of the treatment long term duration and need to be balanced in such long term survival. To date, the question of the optimal duration of HT in LGESS is still pending. The investigator propose an open-label, randomized, multicenter phase II study aiming at determining the feasibility of interruption of AI in patients with locally advanced or metastatic LGESS after long term stabilization or response to AI. The study will use a sequential bayesian design allowing for continuous monitoring of the main efficacy outcome, thus leading to a smaller more informative trial, and specifically tied to decision making. This design is particularly suited to characterize efficacy signals in the context of a very rare pathology. Moreover JAZF1-JJAZ1 fusion gene is not identified in all LGESS. Ancillary studies will provide precious data aiming at: * Identifying predictive factors of prolonged response to HT or late resistance (Next Generation Sequencing and Comparative Genome Hybridization). * Evaluating sociobehavioral (only for French sites) of patients by following questionnaire: Zimbardo Time Perspective Inventory (ZTPI) , Functional, Communicative and Critical Health Literacy/ 14-item Health Literacy Scale (FCCHL/HLS14), VICAN, Fear of Cancer Recurrence (FCR) and Patient-Generated Index (PGI).
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
CHU Besançon, Besançon, , France
Insitut Bergonié, Bordeaux, , France
Centre François Baclesse, Caen, , France
Centre Jean Perrin, Clermont-Ferrand, , France
Centre Oscar Lambret, Lille, , France
CHU Dupuytren, Limoges, , France
Centre Léon Bérard, Lyon, , France
Hopital La Timone, Marseille, , France
Hopital La Timone, Marseille, , France
Institut Paoli Calmette, Marseille, , France
Institut de Cancérologie de Montpellier, Montpellier, , France
Centre Antoine Lacassagne, Nice, , France
Hopital Pitié Salpétrière, Paris, , France
AP-HP Hopîtal Cochin, Paris, , France
Insitut Curie, Paris, , France
Institut Godinot, Reims, , France
Centre Henri Becquerel, Rouen, , France
ICO Centre René Gauducheau, Saint-Herblain, , France
CHUSE, Saint-Priest-en-Jarez, , France
Hopital Privé de la Loire, Saint-Étienne, , France
CHU Tours, Tours, , France
Institut Gustave Roussy, Villejuif, , France
Name: Isabelle RAY-COQUARD, MD PhD
Affiliation: Centre Leon Berard
Role: PRINCIPAL_INVESTIGATOR