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Pemetrexed, Cisplatin With Soft Tissue Sarcoma
Sponsor: Yonsei University
Summary
Soft tissue sarcoma (STS) is rare malignancy of mesodermal origin, representing less than 1% of all malignant neoplasms. They are a group of diseases encompassing diverse histological subtypes with very different biomorphologies, prognoses, and responses to treatments. At advanced stages of STS, anticancer treatments are less effective and the prognosis is poor with a median survival of 8 to 18 months. Doxorubicin and ifosfamide given each alone or in their combination have represented the mainstream of anticancer treatments in metastatic STS. However, salvage treatments for patients with progression after doxorubicin/ifosfamide-based treatment are limited and anticancer agents such as gemcitabine/docetaxel, pazopanib, eribulin and trabectedin are currently used as a standard of care (SOC). For metastatic sarcoma, a study of pemetrexed alone in patients with refractory STS who have progressed after doxorubicin and/or ifosfamide-based anticancer treatment was conducted. In this study including 48 patients, most of whom had relatively poor course of disease with disease progression after the 2nd- and/or 3rd-line treatment, pemetrexed was well tolerated and associated with 5% of response rate and 33% of 3-month progression-free rates suggesting potential antitumor efficacy with good tolerability profile with refractory STS. However, as conventional agents have showed different efficacy depending on various subtypes of STS, a confirmatory study to see clinical utilities of a given regimen by subtype is required also for pemetrexed/cisplatin. Therefore, the investigators intend to proceed this phase 2 clinical trial to evaluate the efficacy and safety of pemetrexed/cisplatin combination therapy in patients with advanced/metastatic STS who received up to two-lines of prior palliative anticancer treatments with histological subtype-specific cohorts (leiomyosarcoma, synovial sarcoma, malignant peripheral nerve sheath tumor, and others) in order to provide a basis for a subsequent phase 3 study by selecting histological subtype(s) in which the efficacy of study regimen is to be proven.
Official title: A Single-Arm, Multicenter, Open-Label, Phase 2 Study of Pemetrexed/Cisplatin Chemotherapy for Patients With Metastatic/Recurrent Soft Tissue Sarcoma in 4- Independent Histologic Subtypes
Key Details
Gender
All
Age Range
19 Years - Any
Study Type
INTERVENTIONAL
Enrollment
164
Start Date
2020-12-22
Completion Date
2027-11-01
Last Updated
2024-12-18
Healthy Volunteers
No
Conditions
Interventions
pemetrexed+cisplatin
Pemetrexed 500 mg/m2 (Day 1) and cisplatin 75 mg/m2 (Day 1) will be given via intravenous (IV) infusion. Each cycle consists of 21 days, and this combination therapy will be continued until Cycle 6. Starting from Cycle 7, pemetrexed alone will be administered every 3 weeks (Q3W) as IV infusion until disease progression. Vitamin B12 1000 mcg intramuscular (IM) injection will be given within 14 days prior to the first dose of pemetrexed, every 9 weeks (on the same day as study treatment) thereafter, and then 21 days after the last dose of pemetrexed. Folic acid 1 mg will be administered daily starting from 14 days before the first dose of pemetrexed and continued until 21 days after the last dose of pemetrexed. Study treatment will be continued until PD, unacceptable AE, or decision to discontinue by subject or physician.
Locations (1)
Severance Hospital
Seoul, South Korea