Study on Leiomyosarcoma, Liposarcomas and Synovial Sarcoma With Trabectedin

Overview

Two arm, randomized, open-label study, to determine the best time to secondary resistance between responding patients who discontinue treatment and resumed Trabectedin at the time of progression versus patients who continued treatment until progression. T

Full Title of Study: “Time to Secondary Resistance to Trabectedin After Interruption Versus Continuation in Responding Patients With Liposarcoma, Leiomyosarcoma and Synovial Sarcoma”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: October 1, 2025

Detailed Description

This is an Italian, multicenter, randomized, open-label , two arm, study, to determine the best time to secondary resistance between responding patients who discontinue treatment and resumed Trabectedin at the time of progression versus patients who continued treatment until progression. The aim is to evaluate the best clinical practice for responding patients as Trabectedin has an acceptable safety profile with no evidence of cumulative toxicity. After signing informed consent and being assessed for eligibility criteria , eligible patients will start the trabectedin treatment. All the patients who will complete 6 cycles of treatment without disease progression will be be randomized to continue Trabectedin versus "treatment interruption" followed by re-challenge at progression. Patients randomized to discontinue treatment will be candidate to other 6 cycles of treatment and if they do not progress, to another interruption. The treatment will be resumed again at progression for other 6 cycles and this scheme of treatment will be proposed until progression under Trabectedin. The study will be conducted in Italy in approximately 12 centers, in order to recruit 330 evaluable patients over a 4 year period. The follow-up will last approximately 3 years.

Interventions

  • Drug: Trabectedin discontinuation
    • Patients who did not progressed after 6 cycles of trabectedin will stop the treatment and resume drug in case of progression for other 6 cycles. The treatment will be resumed again at progression for other 6 cycles and this scheme of treatment will be proposed until progression under trabectedin.
  • Drug: Trabectedin continuation
    • Patients who did not progressed after 6 cycles of trabectedin will continue the treatment until Progressive Disease or unacceptable toxicity

Arms, Groups and Cohorts

  • Active Comparator: Trabectedin continuation
    • All the patients who will complete 6 cycles of trabectedin without disease progression, will continue trabectedin until progressive disease, unacceptable toxicity, patient or investigator decision
  • Experimental: Trabectedin discontinuation
    • All the patients who will complete 6 cycles of trabectedin without disease progression , will discontinue trabectedin. The treatment will be resumed again at progression for other 6 cycles and this scheme of treatment will be proposed until progression under trabectedin.

Clinical Trial Outcome Measures

Primary Measures

  • Time secondary resistance to Trabectedin
    • Time Frame: Week 18
    • Time secondary resistance to Trabectedin is the time from the first trabectedin dose to progression not amenable to treatment with Trabectedin, or death, whichever occurs first

Secondary Measures

  • Overall Survival
    • Time Frame: month 6,month 12, month 18, month 24, months 30, month 36, month 42, month 48, month 54, month 60
    • Overall Survival is the time from the first trabectedin dose to death for any cause
  • Incidence of adverse event
    • Time Frame: Week 9, week 18, week 27, week 36, week 45, week 54, week 63, week 72, week 81
    • Adverse events are evaluate from the first trabectedin dose throughout the study according to CTCAE 5.0
  • Progression free survival
    • Time Frame: Week 9, week 18, week 27, week 36, week 45, week 54, week 63, week 72, week 81
    • Time from the first trabectedin dose to time of onset of progression disease

Participating in This Clinical Trial

Inclusion Criteria

1. The patient or legal representative must be able to read and understand the informed consent form and must have been willing to give written informed consent and any locally required authorization before any study-specific procedures, including screening evaluations, sampling, and analyses 2. Diagnosis of well differentiated/dedifferentiated liposarcoma, mixoid round cell liposarcoma, leiomyosarcoma or synovial sarcoma 3. Persistent or locally relapsed and/or metastatic disease 4. Pathology specimens available for centralized review (central review is not mandatory prior to start the treatment, but within a month from screening, tumor sample must be sent to central pathology reviewer for a retrospective diagnosis confirmation). 5. Age ≥ 18 years 6. Adequate bone marrow function 7. Adequate organ function, 8. Eastern Cooperative Oncology Group Performance Status ≤ 2 9. One or more previous systemic treatments with anthracyclines with or without ifosfamide (unless one or both are clinically contraindicated) 10. Measurable disease. Patient who received radiotherapy within 3 weeks form the treatment start, can be included as long there is a measurable lesion outside of the irradiation field 11. A minimum of 3 weeks since any previous chemotherapy treatment 12. Recovery from toxic effects of prior therapies to (Grade 1 or lower) 13. Female patients of child-bearing potential must have negative pregnancy test within 7 days before initiation each cycle of chemotherapy. Post-menopausal women must be amenorrhoeic for at least 12 months to be considered of non-childbearing potential. Male and female patients of reproductive potential must agree to employ an effective method of birth control throughout the study. Exclusion Criteria:

1. Pregnant or breast-feeding women 2. Prior exposure to Trabectedin 3. Peripheral neuropathy, Grade 2 or higher 4. History of other malignancies (except basal cell carcinoma or cervical carcinoma in situ, adequately treated), unless in remission from 5 years or more and judged of negligible potential of relapse 5. Known central nervous system metastases 6. Active viral hepatitis or chronic liver disease 7. Unstable cardiac condition, including congestive heart failure or angina pectoris, myocardial infarction within six months before enrollment, uncontrolled arterial hypertension or arrhythmia 8. Active major infection 9. Previous treatment with any other investigational or not investigational agents within 14 days of first day of study drug dosing 10. Known history of human immunodeficiency virus infection 11. Known hypersensitivity to any of the study drugs, study drug classes, or excipients in the formulation of the study drugs 12. Other serious concomitant illnesses or any condition that may interfere with the subject's participation in the study or evaluation of the study results

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Italian Sarcoma Group
  • Collaborator
    • PharmaMar
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Roberta Sanfilippo, MD, Principal Investigator, Fondazione IRCCS INT di Milano

References

D'Incalci M, Galmarini CM. A review of trabectedin (ET-743): a unique mechanism of action. Mol Cancer Ther. 2010 Aug;9(8):2157-63. doi: 10.1158/1535-7163.MCT-10-0263. Epub 2010 Jul 20.

Demetri GD, von Mehren M, Jones RL, Hensley ML, Schuetze SM, Staddon A, Milhem M, Elias A, Ganjoo K, Tawbi H, Van Tine BA, Spira A, Dean A, Khokhar NZ, Park YC, Knoblauch RE, Parekh TV, Maki RG, Patel SR. Efficacy and Safety of Trabectedin or Dacarbazine for Metastatic Liposarcoma or Leiomyosarcoma After Failure of Conventional Chemotherapy: Results of a Phase III Randomized Multicenter Clinical Trial. J Clin Oncol. 2016 Mar 10;34(8):786-93. doi: 10.1200/JCO.2015.62.4734. Epub 2015 Sep 14.

Sanfilippo R, Dileo P, Blay JY, Constantinidou A, Le Cesne A, Benson C, Vizzini L, Contu M, Baldi GG, Dei Tos AP, Casali PG. Trabectedin in advanced synovial sarcomas: a multicenter retrospective study from four European institutions and the Italian Rare Cancer Network. Anticancer Drugs. 2015 Jul;26(6):678-81. doi: 10.1097/CAD.0000000000000228.

Grosso F, Dileo P, Sanfilippo R, Stacchiotti S, Bertulli R, Piovesan C, Jimeno J, D'Incalci M, Gescher A, Casali PG. Steroid premedication markedly reduces liver and bone marrow toxicity of trabectedin in advanced sarcoma. Eur J Cancer. 2006 Jul;42(10):1484-90. doi: 10.1016/j.ejca.2006.02.010. Epub 2006 Jun 5.

Le Cesne A, Blay JY, Domont J, Tresch-Bruneel E, Chevreau C, Bertucci F, Delcambre C, Saada-Bouzid E, Piperno-Neumann S, Bay JO, Mir O, Ray-Coquard I, Ryckewaert T, Valentin T, Isambert N, Italiano A, Clisant S, Penel N. Interruption versus continuation of trabectedin in patients with soft-tissue sarcoma (T-DIS): a randomised phase 2 trial. Lancet Oncol. 2015 Mar;16(3):312-9. doi: 10.1016/S1470-2045(15)70031-8. Epub 2015 Feb 11.

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