Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort

ABSTRACT Background Desmoid tumors (DT) are rare, locally aggressive neoplasms that affect a young population and have a tendency for recurrence. There is sparse contemporary real‐world data to guide practice for DT. Here, we report on a large cohort of DT patients, describing patterns of care and c...

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Main Authors: Joseph Sia, Stephanie Tan, Narayan Mohanakrishnan, Kelvin Yu, Samuel Y. Ngan, Sarat Chander, Jayesh Desai, Jeremy Lewin, Anne Hamilton, Stephen J. Luen, David E. Gyorki, Hayden Snow, Claudia DiBella, Sarah O'Reilly‐Harbidge, Lisa M. Orme, Julie Chu, Susie Bae
Format: Article
Language:English
Published: Wiley 2025-05-01
Series:Cancer Medicine
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Online Access:https://doi.org/10.1002/cam4.70973
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author Joseph Sia
Stephanie Tan
Narayan Mohanakrishnan
Kelvin Yu
Samuel Y. Ngan
Sarat Chander
Jayesh Desai
Jeremy Lewin
Anne Hamilton
Stephen J. Luen
David E. Gyorki
Hayden Snow
Claudia DiBella
Sarah O'Reilly‐Harbidge
Lisa M. Orme
Julie Chu
Susie Bae
author_facet Joseph Sia
Stephanie Tan
Narayan Mohanakrishnan
Kelvin Yu
Samuel Y. Ngan
Sarat Chander
Jayesh Desai
Jeremy Lewin
Anne Hamilton
Stephen J. Luen
David E. Gyorki
Hayden Snow
Claudia DiBella
Sarah O'Reilly‐Harbidge
Lisa M. Orme
Julie Chu
Susie Bae
author_sort Joseph Sia
collection DOAJ
description ABSTRACT Background Desmoid tumors (DT) are rare, locally aggressive neoplasms that affect a young population and have a tendency for recurrence. There is sparse contemporary real‐world data to guide practice for DT. Here, we report on a large cohort of DT patients, describing patterns of care and clinical outcomes. Methods Data on DT patients first seen between 2010 and 2021 were extracted from a prospective database and supplemented with a retrospective review of hospital records. Trends in treatment use were analyzed using the Cochran‐Armitage test. Time‐to‐next intervention (TTNI) was estimated with the Kaplan–Meier method. Imaging response was categorized using the RECIST v1.1 criteria. Results A total of 135 patients, 265 treatment episodes were analyzed. Median follow‐up was 4.3 years. The common tumor sites were abdominal wall (27%), upper limb (20%), lower limb (16%), and intra‐abdominal (15%). Over time, the proportion of patients receiving no upfront treatment was stable (2010–2013: 31%, 2014–2017: 35%, 2018–2021: 29%; p = 0.5), but there was increasing first‐line use of NSAID/tamoxifen (7%, 41%, 47%; p < 0.001), and decreasing first‐line use of radiotherapy (35%, 14%, 4%; p < 0.001) and surgery (28%, 8%, 18%; p < 0.05). At 5 years, the proportion not requiring treatment switch was highest following surgery (72%), radiotherapy (66%), and no upfront therapy (52%). 12% and 5% of patients without treatment achieved partial and complete imaging responses at 2 years. Conclusion We highlight the heterogeneity and trends in DT management over a 12‐year period, affirming the role of active surveillance, radiotherapy, and surgery in selected patients. Medical therapies are evolving and may significantly influence the DT management paradigm.
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spelling doaj-art-d0f06bd6c1f14313a2f2f3e22be997812025-08-20T02:38:09ZengWileyCancer Medicine2045-76342025-05-011410n/an/a10.1002/cam4.70973Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian CohortJoseph Sia0Stephanie Tan1Narayan Mohanakrishnan2Kelvin Yu3Samuel Y. Ngan4Sarat Chander5Jayesh Desai6Jeremy Lewin7Anne Hamilton8Stephen J. Luen9David E. Gyorki10Hayden Snow11Claudia DiBella12Sarah O'Reilly‐Harbidge13Lisa M. Orme14Julie Chu15Susie Bae16Department of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaSir Peter MacCallum Department of Oncology University of Melbourne Melbourne AustraliaDepartment of Medical Oncology Peter MacCallum Cancer Centre Melbourne AustraliaSir Peter MacCallum Department of Oncology University of Melbourne Melbourne AustraliaSir Peter MacCallum Department of Oncology University of Melbourne Melbourne AustraliaSir Peter MacCallum Department of Oncology University of Melbourne Melbourne AustraliaSir Peter MacCallum Department of Oncology University of Melbourne Melbourne AustraliaDivision of Cancer Surgery Peter MacCallum Cancer Centre Melbourne AustraliaDivision of Cancer Surgery Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Medical Oncology Peter MacCallum Cancer Centre Melbourne AustraliaDepartment of Radiation Oncology Peter MacCallum Cancer Centre Melbourne AustraliaSir Peter MacCallum Department of Oncology University of Melbourne Melbourne AustraliaABSTRACT Background Desmoid tumors (DT) are rare, locally aggressive neoplasms that affect a young population and have a tendency for recurrence. There is sparse contemporary real‐world data to guide practice for DT. Here, we report on a large cohort of DT patients, describing patterns of care and clinical outcomes. Methods Data on DT patients first seen between 2010 and 2021 were extracted from a prospective database and supplemented with a retrospective review of hospital records. Trends in treatment use were analyzed using the Cochran‐Armitage test. Time‐to‐next intervention (TTNI) was estimated with the Kaplan–Meier method. Imaging response was categorized using the RECIST v1.1 criteria. Results A total of 135 patients, 265 treatment episodes were analyzed. Median follow‐up was 4.3 years. The common tumor sites were abdominal wall (27%), upper limb (20%), lower limb (16%), and intra‐abdominal (15%). Over time, the proportion of patients receiving no upfront treatment was stable (2010–2013: 31%, 2014–2017: 35%, 2018–2021: 29%; p = 0.5), but there was increasing first‐line use of NSAID/tamoxifen (7%, 41%, 47%; p < 0.001), and decreasing first‐line use of radiotherapy (35%, 14%, 4%; p < 0.001) and surgery (28%, 8%, 18%; p < 0.05). At 5 years, the proportion not requiring treatment switch was highest following surgery (72%), radiotherapy (66%), and no upfront therapy (52%). 12% and 5% of patients without treatment achieved partial and complete imaging responses at 2 years. Conclusion We highlight the heterogeneity and trends in DT management over a 12‐year period, affirming the role of active surveillance, radiotherapy, and surgery in selected patients. Medical therapies are evolving and may significantly influence the DT management paradigm.https://doi.org/10.1002/cam4.70973active surveillanceaggressive fibromatosisclinical studydesmoid tumorspatterns of practiceradiotherapy
spellingShingle Joseph Sia
Stephanie Tan
Narayan Mohanakrishnan
Kelvin Yu
Samuel Y. Ngan
Sarat Chander
Jayesh Desai
Jeremy Lewin
Anne Hamilton
Stephen J. Luen
David E. Gyorki
Hayden Snow
Claudia DiBella
Sarah O'Reilly‐Harbidge
Lisa M. Orme
Julie Chu
Susie Bae
Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort
Cancer Medicine
active surveillance
aggressive fibromatosis
clinical study
desmoid tumors
patterns of practice
radiotherapy
title Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort
title_full Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort
title_fullStr Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort
title_full_unstemmed Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort
title_short Trends in Practice Patterns and Clinical Outcomes for Desmoid Tumors: A Large Single‐Institutional Australian Cohort
title_sort trends in practice patterns and clinical outcomes for desmoid tumors a large single institutional australian cohort
topic active surveillance
aggressive fibromatosis
clinical study
desmoid tumors
patterns of practice
radiotherapy
url https://doi.org/10.1002/cam4.70973
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