Publications by authors named "Julian Wampfler"

Objective: Treatment approaches for endometrial cancer became more personalized in the last decade, mainly due to two key advancements - sentinel lymph node (SLN) mapping and molecular classification. However, their prognostic interaction remains relatively unexplored.

Methods: This retrospective cohort study included patients with endometrial cancer, who underwent surgical treatment including SLN mapping at the Bern University Hospital, Switzerland.

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Introduction: Centralization of ovarian cancer treatment is associated with higher rates of optimal surgery and longer survival. However, preoperative diagnosis of ovarian cancer is challenging and some diagnoses are made incidentally after surgery. This study investigated the surgical and oncological outcomes of patients with incidental findings of borderline ovarian tumors or ovarian cancer who were centralized postoperatively and treated with a two-stage surgical procedure, and compared these with those of patients with adnexal masses of suspected malignancy who were offered a single-stage surgical procedure with intraoperative frozen section in a tertiary hospital.

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Background And Aims Of The Study: Due to its importance for treatment and potential prevention in family members, germline testing for BRCA1/2 in patients with newly diagnosed ovarian cancer is decisive and considered a standard of care. Maintenance therapy with poly(ADP-ribose) polymerase (PARP) inhibitors substantially improves progression-free survival in patients with BRCA mutations and homologous recombination-deficient tumours by inducing synthetic lethality. In Switzerland, they are licensed only for these patients.

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Objective: To investigate whether a change in the Fagotti score (ΔFagotti) following neoadjuvant chemotherapy is predictive of resection to no residual disease (R0) and survival in women diagnosed with ovarian cancer.

Methods: Women treated with neoadjuvant chemotherapy for newly diagnosed ovarian cancer between January 2012 and June 2021 at the Bern University Hospital were included in this retrospective cohort study. Fagotti scores before and after neoadjuvant chemotherapy treatment were assessed for a potential association with resection status at interval debulking surgery defined as no residual disease (R0), macroscopic residual disease with a diameter of 0.

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Purpose: Our aim is to describe the role of immune checkpoint inhibitors (ICI) in clinical practice by providing the patient and tumor characteristics as well as survival and toxicity rates by sex.

Methods: We used electronic health records to identify patients treated at the Cancer Center of the University Hospital Bern, Switzerland between January 1, 2017 and June 16, 2021.

Results: We identified 5109 patients, 689 of whom (13.

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Ovarian clear cell carcinoma (OCCC) is a rare subtype of epithelial ovarian cancer characterised by a high frequency of loss-of-function mutations and a poor response to chemotherapy. Despite their generally low mutational burden, an intratumoural T cell response has been reported in a subset of OCCC, with purported to be a biomarker for the response to the immune checkpoint blockade independent of micro-satellite instability (MSI). However, assessment of the different immune cell types and spatial distribution specifically within OCCC patients has not been described to date.

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The RNA binding proteins RBM binding motif protein 38 (RBM38) and DEAD END 1 (DND1) selectively stabilize mRNAs by attenuating RNAse activity or protecting them from micro(mi)RNA-mediated cleavage. Furthermore, both proteins can efficiently stabilize the mRNA of the cell cycle inhibitor p21(CIP1). Since acute myeloid leukemia (AML) differentiation requires cell cycle arrest and RBM38 as well as DND1 have antiproliferative functions, we hypothesized that decreased RBM38 and DND1 expression may contribute to the differentiation block seen in this disease.

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Successful myeloid differentiation depends on the expression of a series of miRNAs. Thus, it is hardly surprising that miRNAs are globally repressed in AML, a disease mainly characterized by a block in cellular myeloid differentiation. Studies investigating the mechanisms for low miRNA expression in AML has mostly focused on altered transcriptional regulation or deletions, whereas defective miRNA processing has received less attention.

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