scholarly journals Real-World Outcomes of Advanced Soft Tissue Sarcoma Patients Treated with Pazopanib

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Fawaz A ◽  
◽  
Shim I ◽  
Tilley D ◽  
Kelaney MR ◽  
...  

Background: Pazopanib is an oral multitarget tyrosine kinase inhibitor that is currently approved for the treatment of select subtypes of advanced Soft Tissue Sarcoma (STS) in patients who have progressed on prior anthracyclinebased chemotherapy regimens. In this study, we examine data from multiple centers to assess the efficacy of pazopanib in practice outside of a clinical trial setting. Methods: A retrospective chart analysis was conducted for pre-treated, advanced soft tissue sarcoma patients who began treatment with pazopanib in Alberta, Canada and Cairo, Egypt (2012-2018). Results: In total, 39 predominantly male (56.4%) patients received pazopanib. The median age was 51, 67% of whom had an ECOG of one or less. The predominant sarcoma subtype was leiomyosarcoma (30.8%), and all patients had received at least one prior line of systemic therapy. Thirtytwo of the 39 patients (82%) were initially given the full dose of 800mg with a median time on treatment of 116 days. Seven of the 39 (18%) patients required a dose reduction while on treatment. A majority (94.9%) of patients ultimately discontinued pazopanib treatment for reasons including death (21.6%), disease progression (62.2%), and toxicity (16.4%). The median progression-free and overall survival for these patients was 4.1 months (95%CI, 3.6-4.5) and 8.4 months (95% CI, 4.3-12.5), respectively. Conclusion: Pazopanib is an efficient and generally well-tolerated oral systemic therapy for the treatment of advanced, pre-treated, non-adipocytic soft tissue sarcoma. These results show the efficacy of pazoponib outside of a clinical trial setting.

Sarcoma ◽  
2018 ◽  
Vol 2018 ◽  
pp. 1-12 ◽  
Author(s):  
Saurabh P. Nagar ◽  
Daniel S. Mytelka ◽  
Sean D. Candrilli ◽  
Yulia D’yachkova ◽  
Maria Lorenzo ◽  
...  

Objective. To describe real-world treatment patterns and outcomes for patients with advanced soft tissue sarcoma (STS) not amenable to surgery or radiotherapy in the United Kingdom, Spain, Germany, and France. Methods. Physicians completed a web-based medical record abstraction for adult patients with advanced STS (other than Kaposi’s sarcoma or gastrointestinal stromal tumor) who received ≥1 line of systemic therapy. Clinical characteristics, treatments, tumor responses, and mortality data were recorded. Results. A total of 130 physicians provided data for 807 patients. Patients’ mean age at advanced STS diagnosis was 57.1 (±12.3) years; 59% were male. The most commonly identified histologic categories were leiomyosarcoma (28%), liposarcoma (13%), and rhabdomyosarcoma (11%). Overall, 57% of patients received only 1 line of therapy, 32% received 2 lines of therapy, and 11% received ≥3 lines of therapy. The most common first-line regimens were doxorubicin alone (41%), doxorubicin plus ifosfamide (19%), docetaxel plus gemcitabine (9%), paclitaxel alone (4%), and ifosfamide (4%). Median overall survival from start of treatment was estimated to be 17.6 months (95% confidence interval, 15.6–19.0 months). Conclusions. In real-world clinical practice, advanced STS is most commonly treated with older therapies in the United Kingdom, Spain, Germany, and France. New therapies that improve overall survival in advanced STS are needed.


2019 ◽  
Vol 22 ◽  
pp. S534-S535
Author(s):  
A.C. Melo ◽  
P.X. Santi ◽  
D.L. Nunes ◽  
S.B. Aleixo ◽  
C.L. Martins ◽  
...  

2020 ◽  
Vol 31 ◽  
pp. S987
Author(s):  
B. Alshamsan ◽  
A. Alshibany ◽  
A. Badran ◽  
F. Maraiki ◽  
M.A. Elshenawy ◽  
...  

2020 ◽  
Vol 27 (11) ◽  
pp. 25-33 ◽  
Author(s):  
A. Smrke ◽  
Y. Wang ◽  
C. Simmons

Background: Soft-tissue sarcoma (sts) represents a rare group of mesenchymal neoplasms comprising more than 50 heterogeneous subtypes. Great efforts have been made to increase the understanding of the treatment of advanced sts (unresectable or metastatic disease). We set out to determine whether outcomes for patients with advanced sts have improved over time and to assess the current evidence for systemic therapy. Methods: In a scoping review, we evaluated the contemporary evidence for systemic treatment of advanced sts in adults (>18 years of age). Phase i, ii, and iii studies of systemic therapy for advanced sts published in the English language were included. After abstract and full-text review of seventy-seven studies, sixty-two trials met the inclusion criteria. Results: The number of clinical trials conducted and published in advanced sts has increased over the last 30 years. Although median overall survival has increased, attempts at improving first-line therapy through dose intensification, doublet chemotherapy, or alternative backbones have not been successful. The optimal therapy beyond anthracyclines remains a challenge, especially given the heterogeneity that grouping multiple sts subtypes within clinical trials creates. However, increasing numbers of agents are being studied, and several studies had shown isolated benefit in progression-free or overall survival. Summary: First-line systemic therapy with an anthracycline remains the standard of care for advanced sts. However, choice of subsequent therapy beyond anthracyclines remains challenging. Novel systemic therapies, use of molecular diagnostics to direct therapy, subtype-specific trials, and learnings from real-world retrospective data are all important for improving outcomes in patients with advanced sts.


2021 ◽  
Vol Volume 13 ◽  
pp. 6755-6766
Author(s):  
Bader Alshamsan ◽  
Ahmad Badran ◽  
Aisha Alshibany ◽  
Fatma Maraiki ◽  
Mahmoud A Elshenawy ◽  
...  

2019 ◽  
Vol 7 (3) ◽  
pp. 48 ◽  
Author(s):  
Tiffany Seto ◽  
Mee-Na Song ◽  
Maily Trieu ◽  
Jeanette Yu ◽  
Manpreet Sidhu ◽  
...  

Background: Pazopanib was approved for advanced soft tissue sarcoma as a second- or third-line therapy based on the clinical trial “Pazopanib for metastatic soft-tissue sarcoma” (PALETTE). We hypothesized that the real-world experiences may be significantly different from the clinical trial results. Methods: We analyzed the response pattern of patients with advanced soft tissue and bone sarcoma who received pazopanib treatment between 1 January 2011 and 31 October 2018 in Kaiser Permanente Northern California. Results: A total of 123 patients with 23 different histologic subtypes were assessable. One patient with low-grade fibromyxoid sarcoma obtained complete response (CR) after 2 months of treatment with pazopanib, 12 patients (9.7%) obtained partial response (PR), 34 patients (27.6%) had stable disease (SD), while 76 patients (61.8%) developed progressive disease (PD). The disease control rate (DCR) was 46.3% (CR + PR + SD). Among the 12 patients with PR, 3 had undifferentiated pleomorphic sarcoma (UPS), 4 had leiomyosarcoma (LMS), 2 had pleomorphic rhabdomyosarcoma, 1 had pleomorphic liposarcoma, 1 had dedifferentiated liposarcoma, and 1 had angiosarcoma. The median duration of response was 9 months. Two patients with Ewing’s sarcoma had SD for 6 and 13 months, and two patients with osteosarcoma had SD for 6 and 9 months. Among 65 patients assessed at 8 weeks, 9 had a response, and 10 had SD. Among 104 patients assessed at 12 weeks, 12 had a response, and 26 had SD. The median progression-free survival (PFS) was approximately 3 months for all 123 cases and for patients with UPS and LMS. Conclusions: Our cohort of patients with advanced soft tissue and bone sarcoma in Northern California treated with pazopanib had diverse histologic subtypes. The response rate (CR + PR) was higher than that of the PALETTE trial, while the DCR and the median PFS were significantly lower. The observation of PR in two patients with liposarcoma and durable SD in several patients with bone sarcoma indicates that pazopanib has activity in liposarcoma and bone sarcoma.


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