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Adjuvant therapy in primary GIST: state-of-the-art

Reichardt, P. ; Blay, J. -Y. ; Boukovinas, I. ; Brodowicz, T. ; Broto, J. M. ; Casali, P. G. ; Decatris, M. ; Eriksson, Mikael LU orcid ; Gelderblom, H. and Kosmidis, P. , et al. (2012) In Annals of Oncology 23(11). p.2776-2781
Abstract
The management of primary gastrointestinal stromal tumours (GISTs) has evolved with the introduction of adjuvant therapy. Recently reported results of the SSG XVIII/AIO trial by the Scandinavian Sarcoma Group (SSG) and the German Working Group on Medical Oncology (AIO) represent a significant change in the evidence for adjuvant therapy duration. The objectives of this European Expert Panel meeting were to describe the optimal management and best practice for the systemic adjuvant treatment of patients with primary GISTs. A panel of medical oncology experts from European sarcoma research groups were invited to a 1-day workshop. Several questions and discussion points were selected by the organising committee prior to the conference. The... (More)
The management of primary gastrointestinal stromal tumours (GISTs) has evolved with the introduction of adjuvant therapy. Recently reported results of the SSG XVIII/AIO trial by the Scandinavian Sarcoma Group (SSG) and the German Working Group on Medical Oncology (AIO) represent a significant change in the evidence for adjuvant therapy duration. The objectives of this European Expert Panel meeting were to describe the optimal management and best practice for the systemic adjuvant treatment of patients with primary GISTs. A panel of medical oncology experts from European sarcoma research groups were invited to a 1-day workshop. Several questions and discussion points were selected by the organising committee prior to the conference. The experts reviewed the current literature of all clinical trials available on adjuvant therapy for primary GISTs, considered the quality evidence and formulated recommendations for each discussion point. Clinical issues were identified and provisional clinical opinions were formulated for adjuvant treatment patient selection, imatinib dose, duration and patient recall, mutational analysis and follow-up of primary GIST patients. Adjuvant imatinib 400 mg/day for 3 years duration is a standard treatment in all patients with significant risk of recurrence following resection of primary GISTs. Patient selection for adjuvant therapy should be based on any of the three commonly used patient risk stratification schemes. R1 surgery (versus R0) alone is not an indication for adjuvant imatinib in low-risk GIST. Recall and imatinib restart could be proposed in patients who discontinued 1-year adjuvant imatinib within the previous 3 months and may be considered on a case-by-case basis in patients who discontinued within the previous year. Mutational analysis is recommended in all cases of GISTs using centralised laboratories with good quality control. Treatment is not recommended in an imatinib-insensitive D842V-mutated GIST. During adjuvant treatment, patients are recommended to be clinically assessed at 1- to 3-month intervals. Upon discontinuation, computed tomography scan (CT) scans are recommended every 3 to 4 months for 2 years when the risk of relapse is highest, followed by every 6 months until year 5 and annually until year 10 after treatment discontinuation. Key points in systemic adjuvant treatment and clinical management of primary GISTs as well as open questions were identified during this European Expert Panel meeting on GIST management. (Less)
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publishing date
type
Contribution to journal
publication status
published
subject
keywords
adjuvant, gastrointestinal stromal tumour, GIST, imatinib, recommendation
in
Annals of Oncology
volume
23
issue
11
pages
2776 - 2781
publisher
Oxford University Press
external identifiers
  • wos:000310373100002
  • scopus:84868113228
  • pmid:22831984
ISSN
1569-8041
DOI
10.1093/annonc/mds198
language
English
LU publication?
yes
id
66091e83-a2d5-4378-bf6e-da799e8af957 (old id 3283426)
date added to LUP
2016-04-01 14:37:13
date last changed
2022-04-22 04:18:49
@article{66091e83-a2d5-4378-bf6e-da799e8af957,
  abstract     = {{The management of primary gastrointestinal stromal tumours (GISTs) has evolved with the introduction of adjuvant therapy. Recently reported results of the SSG XVIII/AIO trial by the Scandinavian Sarcoma Group (SSG) and the German Working Group on Medical Oncology (AIO) represent a significant change in the evidence for adjuvant therapy duration. The objectives of this European Expert Panel meeting were to describe the optimal management and best practice for the systemic adjuvant treatment of patients with primary GISTs. A panel of medical oncology experts from European sarcoma research groups were invited to a 1-day workshop. Several questions and discussion points were selected by the organising committee prior to the conference. The experts reviewed the current literature of all clinical trials available on adjuvant therapy for primary GISTs, considered the quality evidence and formulated recommendations for each discussion point. Clinical issues were identified and provisional clinical opinions were formulated for adjuvant treatment patient selection, imatinib dose, duration and patient recall, mutational analysis and follow-up of primary GIST patients. Adjuvant imatinib 400 mg/day for 3 years duration is a standard treatment in all patients with significant risk of recurrence following resection of primary GISTs. Patient selection for adjuvant therapy should be based on any of the three commonly used patient risk stratification schemes. R1 surgery (versus R0) alone is not an indication for adjuvant imatinib in low-risk GIST. Recall and imatinib restart could be proposed in patients who discontinued 1-year adjuvant imatinib within the previous 3 months and may be considered on a case-by-case basis in patients who discontinued within the previous year. Mutational analysis is recommended in all cases of GISTs using centralised laboratories with good quality control. Treatment is not recommended in an imatinib-insensitive D842V-mutated GIST. During adjuvant treatment, patients are recommended to be clinically assessed at 1- to 3-month intervals. Upon discontinuation, computed tomography scan (CT) scans are recommended every 3 to 4 months for 2 years when the risk of relapse is highest, followed by every 6 months until year 5 and annually until year 10 after treatment discontinuation. Key points in systemic adjuvant treatment and clinical management of primary GISTs as well as open questions were identified during this European Expert Panel meeting on GIST management.}},
  author       = {{Reichardt, P. and Blay, J. -Y. and Boukovinas, I. and Brodowicz, T. and Broto, J. M. and Casali, P. G. and Decatris, M. and Eriksson, Mikael and Gelderblom, H. and Kosmidis, P. and Le Cesne, A. and Pousa, A. L. and Schlemmer, M. and Verweij, J. and Joensuu, H.}},
  issn         = {{1569-8041}},
  keywords     = {{adjuvant; gastrointestinal stromal tumour; GIST; imatinib; recommendation}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{2776--2781}},
  publisher    = {{Oxford University Press}},
  series       = {{Annals of Oncology}},
  title        = {{Adjuvant therapy in primary GIST: state-of-the-art}},
  url          = {{http://dx.doi.org/10.1093/annonc/mds198}},
  doi          = {{10.1093/annonc/mds198}},
  volume       = {{23}},
  year         = {{2012}},
}