Ilse A.C. Spiekman

ORCID: 0009-0008-9827-1138
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About
Contact & Profiles
Research Areas
  • Lung Cancer Treatments and Mutations
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Cancer Genomics and Diagnostics
  • Cancer Immunotherapy and Biomarkers
  • Lung Cancer Diagnosis and Treatment
  • PI3K/AKT/mTOR signaling in cancer
  • Genetic factors in colorectal cancer
  • Health Systems, Economic Evaluations, Quality of Life
  • Advanced Breast Cancer Therapies
  • HER2/EGFR in Cancer Research
  • Science, Research, and Medicine
  • Radiomics and Machine Learning in Medical Imaging
  • Glioma Diagnosis and Treatment
  • Cancer Mechanisms and Therapy
  • Lung Cancer Research Studies
  • Multiple and Secondary Primary Cancers
  • Gastric Cancer Management and Outcomes
  • Colorectal Cancer Treatments and Studies

Erasmus MC Cancer Institute
2023-2024

Erasmus MC
2024

Erasmus University Rotterdam
2024

Radboud University Nijmegen
2022-2023

Radboud University Medical Center
2022-2023

The Drug Rediscovery Protocol (DRUP) is a Dutch, pan-cancer, nonrandomized clinical trial that aims to investigate the efficacy and safety of targeted immunotherapies outside their registered indication in patients with advanced or metastatic cancer.

10.2340/1651-226x.2024.34885 article EN cc-by Acta Oncologica 2024-05-23

BackgroundIn 2–5% of patients with colorectal cancer (CRC), human epidermal growth factor 2 (HER2) is amplified or overexpressed. Despite prior evidence that anti-HER2 therapy confers clinical benefit (CB) in one-third these patients, it not approved for this indication Europe. In the Drug Rediscovery Protocol (DRUP), are treated off-label drugs based on their molecular profile. Here, we present results cohort 'trastuzumab/pertuzumab treatment-refractory RAS/BRAF-wild-type HER2amplified...

10.1016/j.ejca.2024.113988 article EN cc-by European Journal of Cancer 2024-03-07

Abstract In the Drug Rediscovery Protocol (DRUP), patients with cancer are treated based on their tumor molecular profile approved targeted and immunotherapies outside labeled indication. Importantly, undergo a biopsy for whole‐genome sequencing (WGS) which allows WGS‐based evaluation of routine diagnostics. Notably, we observed that not all biopsies dMMR/MSI‐positive tumors as determined by diagnostics were classified microsatellite‐unstable subsequent WGS. Therefore, aimed to evaluate...

10.1002/path.6279 article EN The Journal of Pathology 2024-05-15

Abstract Background. MET mutations occur in 3-4% of advanced non-small cell lung cancer (aNSCLC), correlating with poor survival. Despite known sensitivity mutated (METmut) aNSCLC to c-MET-inhibition, no approved therapies existed until 2022. Methods. In the Drug Rediscovery Protocol (NCT0295234), patients an actionable molecular profile are treated off-label registered drugs. Both and untreated harboring exon 14 skipping (METex14) or other METmuts received crizotinib 250 mg BID disease...

10.1158/1078-0432.ccr-24-1925 article EN Clinical Cancer Research 2024-10-01

Abstract Background The prognosis of malignant primary high-grade brain tumors, predominantly glioblastomas, is poor despite intensive multimodality treatment options. In more than 50% patients with potentially targetable mutations are present, including rearrangements, altered splicing, and/or focal amplifications epidermal growth factor receptor (EGFR) by signaling through the RAF/RAS pathway. We studied whether clinically available anti-EGFR monoclonal antibody panitumumab provides...

10.1093/oncolo/oyad320 article EN cc-by-nc The Oncologist 2023-12-18

<div>AbstractPurpose:<p> To provide patients with <i>MET</i>-mutated advanced non–small cell lung cancer (<i>MET</i>mut aNSCLC) access to crizotinib, further substantiate evidence of its efficacy and safety in this setting, find potential biomarkers for nonresponse.</p>Patients Methods:<p>In the Drug Rediscovery Protocol (NCT0295234), an actionable molecular profile are treated off-label registered drugs. Both untreated aNSCLC harboring...

10.1158/1078-0432.c.7565509 preprint EN 2024-12-02

<p>Baseline characteristics of all patients that completed at least one treatment cycle, stratified by objective response. Percentages may not total 100 due to rounding. Annotations: * Two with non-small cell lung cancer otherwise specified (no response) and patient undifferentiated (objective response). ® Missing for Abbreviations: IQR, Interquartile range; ECOG, Eastern Cooperative Oncology Group; PD-L1, Programmed death-ligand 1.</p>

10.1158/1078-0432.27938422 preprint EN cc-by 2024-12-02

<p>Study characteristics and efficacy outcomes of trials with selective type 1b c-MET-inhibitors in MET mutated NSCLC. Abbreviations: ECOG, Eastern Cooperative Oncology Group; ORR, objective response rate; CI, confidence interval; mDoR, median duration response; mPFS, progression free survival; mOS, overall METex14, exon 14 skipping mutations; NA, not available.</p>

10.1158/1078-0432.27938407 preprint EN cc-by 2024-12-02

<p>Study characteristics and efficacy outcomes of trials with crizotinib in MET mutated NSCLC. Abbreviations: ECOG, Eastern Cooperative Oncology Group; ORR, objective response rate; CI, confidence interval; mDoR, median duration response; mPFS, progression free survival; mOS, overall METex14, exon 14 skipping mutations; METamp, amplification; METmut, METmutation; NA, not available.</p>

10.1158/1078-0432.27938410 preprint EN cc-by 2024-12-02
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