TY - JOUR
T1 - Assessing the Role of Neoadjuvant Chemotherapy in Primary High-Risk Truncal/Extremity Soft Tissue Sarcomas
T2 - An Analysis of the Multi-institutional U.S. Sarcoma Collaborative
AU - Zaidi, Mohammad Y.
AU - Ethun, Cecilia G.
AU - Tran, Thuy B.
AU - Poultsides, George
AU - Grignol, Valerie P.
AU - Howard, J. Harrison
AU - Bedi, Meena
AU - Mogal, Harveshp
AU - Tseng, Jennifer
AU - Roggin, Kevin K.
AU - Chouliaras, Konstantinos
AU - Votanopoulos, Konstantinos
AU - Krasnick, Brad
AU - Fields, Ryan C.
AU - Oskouei, Shervin
AU - Reimer, Nickolas
AU - Monson, David
AU - Maithel, Shishir K.
AU - Cardona, Kenneth
N1 - Publisher Copyright:
© 2019, Society of Surgical Oncology.
Copyright:
Copyright 2019 Elsevier B.V., All rights reserved.
PY - 2019/10/1
Y1 - 2019/10/1
N2 - Background: The role of neoadjuvant chemotherapy (NCT) for high-risk soft tissue sarcoma (STS) is questioned. This study aimed to define which patients may experience a survival advantage with NCT. Methods: All the patients from the U.S. Sarcoma Collaborative database (2000–2016) who underwent curative-intent resection of high-grade, primary truncal/extremity STS size 5 cm or larger were included in this study. The primary end points were recurrence-free survival (RFS) and overall survival (OS). Results: Of the 4153 patients, 770 were included in the study. The median tumor size was 10 cm, and 669 of the patients (87%) had extremity tumors. The most common histology was undifferentiated pleomorphic sarcoma (UPS), found in 42% of the patients. Of the 770 patients, 216 (28%) received NCT. The patients who received NCT had deeper, larger tumors (p < 0.001). Of the patients with tumors 5 cm or larger and 8 cm or larger, NCT was not associated with improved RFS or OS. However for the patients with tumors 10 cm or larger, NCT was associated with improved 5-year RFS (51% vs 40%; p = 0.053) and 5-year OS (58% vs 47%; p = 0.043). By location, the patients with extremity tumors 10 cm or larger but not truncal tumors had improved 5-yearr RFS (54% vs 42%; p = 0.042) and 5-year OS (61% vs 47%; p = 0.015) with NCT. According to histology, no subtype had improved RFS or OS with NCT, although the patients with UPS had a trend toward improved 5-year RFS (56% vs 42%; p = 0.092) and 5-year OS (66% vs 52%; p = 0.103) with NCT. Conclusion: For the patients with high-grade STS, NCT was associated with improved RFS and OS when tumors were 10 cm or larger and located in the extremity. However, no histiotype-specific advantage was identified. Future studies assessing the efficacy of NCT may consider focusing on these patients, with added focus on histology-specific strategies.
AB - Background: The role of neoadjuvant chemotherapy (NCT) for high-risk soft tissue sarcoma (STS) is questioned. This study aimed to define which patients may experience a survival advantage with NCT. Methods: All the patients from the U.S. Sarcoma Collaborative database (2000–2016) who underwent curative-intent resection of high-grade, primary truncal/extremity STS size 5 cm or larger were included in this study. The primary end points were recurrence-free survival (RFS) and overall survival (OS). Results: Of the 4153 patients, 770 were included in the study. The median tumor size was 10 cm, and 669 of the patients (87%) had extremity tumors. The most common histology was undifferentiated pleomorphic sarcoma (UPS), found in 42% of the patients. Of the 770 patients, 216 (28%) received NCT. The patients who received NCT had deeper, larger tumors (p < 0.001). Of the patients with tumors 5 cm or larger and 8 cm or larger, NCT was not associated with improved RFS or OS. However for the patients with tumors 10 cm or larger, NCT was associated with improved 5-year RFS (51% vs 40%; p = 0.053) and 5-year OS (58% vs 47%; p = 0.043). By location, the patients with extremity tumors 10 cm or larger but not truncal tumors had improved 5-yearr RFS (54% vs 42%; p = 0.042) and 5-year OS (61% vs 47%; p = 0.015) with NCT. According to histology, no subtype had improved RFS or OS with NCT, although the patients with UPS had a trend toward improved 5-year RFS (56% vs 42%; p = 0.092) and 5-year OS (66% vs 52%; p = 0.103) with NCT. Conclusion: For the patients with high-grade STS, NCT was associated with improved RFS and OS when tumors were 10 cm or larger and located in the extremity. However, no histiotype-specific advantage was identified. Future studies assessing the efficacy of NCT may consider focusing on these patients, with added focus on histology-specific strategies.
UR - http://www.scopus.com/inward/record.url?scp=85069714997&partnerID=8YFLogxK
U2 - 10.1245/s10434-019-07639-7
DO - 10.1245/s10434-019-07639-7
M3 - Article
C2 - 31342400
AN - SCOPUS:85069714997
SN - 1068-9265
VL - 26
SP - 3542
EP - 3549
JO - Annals of Surgical Oncology
JF - Annals of Surgical Oncology
IS - 11
ER -