Marie‐Pierre Sunyach

ORCID: 0000-0002-9658-7656
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About
Contact & Profiles
Research Areas
  • Sarcoma Diagnosis and Treatment
  • Glioma Diagnosis and Treatment
  • Vascular Tumors and Angiosarcomas
  • Advanced Radiotherapy Techniques
  • Brain Metastases and Treatment
  • Cardiac tumors and thrombi
  • Management of metastatic bone disease
  • Bone Tumor Diagnosis and Treatments
  • Radiation Therapy and Dosimetry
  • Medical Imaging Techniques and Applications
  • Head and Neck Cancer Studies
  • Lung Cancer Treatments and Mutations
  • Hedgehog Signaling Pathway Studies
  • Meningioma and schwannoma management
  • Breast Cancer Treatment Studies
  • Gastrointestinal Tumor Research and Treatment
  • Neurofibromatosis and Schwannoma Cases
  • Musculoskeletal synovial abnormalities and treatments
  • Advanced MRI Techniques and Applications
  • Tumors and Oncological Cases
  • Lung Cancer Diagnosis and Treatment
  • CAR-T cell therapy research
  • Ocular Oncology and Treatments
  • Breast Lesions and Carcinomas
  • Lung Cancer Research Studies

Centre Léon Bérard
2016-2025

Centre de Recherche en Cancérologie de Lyon
2006-2022

Hospices Civils de Lyon
2021

Université Claude Bernard Lyon 1
2010-2019

Association des Neuro-Oncologues d’Expression Française
2016

Institut d’Hématologie et d’Oncologie Pédiatrique
2010

Institut Bergonié
2007

Institut Claudius Regaud
2007

Centre Oscar Lambret
2007

Centre Eugène Marquis
2007

Well-designed observational studies of individuals with rare tumors are needed to improve patient care, clinical investigations, and the education healthcare professionals.The patterns outcomes, prognostic factors a cohort 2225 patients metastatic soft tissue sarcomas who were diagnosed between 1990 2013 documented in prospectively maintained database French Sarcoma Group analyzed.The median number systemic treatments was 3 (range, 1-6); 27% did not receive any treatment 1054 (49%) underwent...

10.1186/s12916-017-0831-7 article EN cc-by BMC Medicine 2017-04-07

Abstract Background Glioblastoma (GBM) systematically recurs after a standard 60 Gy radio-chemotherapy regimen. Since magnetic resonance spectroscopic imaging (MRSI) has been shown to predict the site of relapse, we analyzed effect MRSI-guided dose escalation on overall survival (OS) patients with newly diagnosed GBM. Methods In this multicentric prospective phase III trial, who had undergone biopsy or surgery for GBM were randomly assigned (SD) high (HD) an additional simultaneous...

10.1093/neuonc/noad119 article EN Neuro-Oncology 2023-07-05

Glioblastoma, a high-grade glial infiltrating tumor, is the most frequent malignant brain tumor in adults and carries dismal prognosis. External beam radiotherapy (EBRT) increases overall survival but this still low due to local relapses, mostly occurring irradiation field. As ratio of spectra choline/N acetyl aspartate> 2 (CNR2) on MR spectroscopic imaging has been described as predictive for site relapse, we hypothesized that dose escalation these regions would increase control hence...

10.1186/s12885-019-5317-x article EN cc-by BMC Cancer 2019-02-21

Active therapeutic combinations, such as trabectedin and radiotherapy, offer potentially higher dimensional response in second-line treatment of advanced soft-tissue sarcomas. Dimensional can be relevant both for symptom relief survival.To assess the combined use radiotherapy treating patients with progressing metastatic sarcomas.Phase 1 this nonrandomized clinical trial followed classic 3 + design, planned at a fixed dose 30 Gy (3 Gy/d 10 days) infusion 1.3 mg/m2 starting dose, 1.5 level...

10.1001/jamaoncol.2019.6584 article EN JAMA Oncology 2020-02-20

Abstract Background Hypofractionated stereotactic radiotherapy (HFSRT) is indicated for large brain metastases (BM) or proximity to critical organs (brainstem, chiasm, optic nerves, hippocampus). The primary aim of this study was assess factors influencing BM local control after HFSRT. Then the effect surgery plus HFSRT compared with exclusive on oncologic outcomes, including overall survival. Materials and methods Retrospective conducted in Léon Bérard Cancer Center, included patients over...

10.1186/s13014-020-01517-3 article EN cc-by Radiation Oncology 2020-04-17

Act.In.Sarc (NCT02379845) demonstrated that the first-in-class radioenhancer NBTXR3, activated by preoperative radiation therapy (RT), doubled rate of pathologic complete response after resection compared with RT alone in adult patients locally advanced soft tissue sarcoma extremity or trunk wall (16.1% vs 7.9%, P = .045), and more achieved R0 resections (77.0% 64.0%, .042). These are toxicity health-related quality life (HRQoL) results.Act.In.Sarc randomized eligible 1:1 to either NBTXR3...

10.1016/j.ijrobp.2022.07.001 article EN cc-by International Journal of Radiation Oncology*Biology*Physics 2022-07-16

Abstract Background: Radio-chemotherapy remains the mainstay of glioblastoma first-line treatment after extended surgery, but prognosis is still poor. PARP inhibitors like olaparib may improve outcomes. We implemented a phase 1-2a trial to assess safety and efficacy combined with standard radio-chemotherapy as in unresected patients. herein present results 1. Methods: Based on Stupp regimen, two sequential dose escalations were performed distinguish radiotherapy period maintenance for...

10.1158/1078-0432.ccr-24-2974 article EN Clinical Cancer Research 2025-01-30

<div>AbstractPurpose:<p>Radiochemotherapy remains the mainstay of glioblastoma (GBM) first-line treatment after extended surgery, but prognosis is still poor. PARP inhibitors like olaparib may improve GBM outcomes. We implemented a phase I to IIa trial assess safety and efficacy combined with standard radiochemotherapy as in patients unresected GBM. herein present results I.</p>Patients Methods:<p>Based on Stupp regimen, two sequential dose escalations were performed...

10.1158/1078-0432.c.7747602 preprint EN 2025-04-01

Leiomyosarcoma (LMS) are 15% of adult sarcomas and remain seldom curable in metastatic phase. The TAM receptors their ligands overexpressed or activated multiple malignancies, including LMS.The receptor ligand expression was evaluated LMS cell lines 358 sarcoma samples by either gene immunohistochemistry. TYRO3 AXL were knocked down. Crizotinib foretinib investigated vitro.High detected lines. knockdown reduced proliferation/colony formation. decreased phosphorylation, apoptosis, G2/arrest...

10.1038/bjc.2017.354 article EN cc-by-nc-sa British Journal of Cancer 2017-10-12

A series of 42 patient tumors diagnosed as endometrial stromal sarcoma (ESS) based on the morphology but negative for JAZF1 and/or YWHAE rearrangement in FISH was analyzed by RNA-sequencing. chromosomal identified 31 (74%) cases and a missense mutation known oncogenes/tumor suppressor genes 11 (26%). Cluster analyses expression profiles from this together with control cohort composed five samples low grade ESS harboring JAZF1-SUZ12 fusion, one high BCOR-ITD, two uterine resembling ovarian...

10.3390/cancers12092604 article EN Cancers 2020-09-11
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