Publications by authors named "Denys H"

Background: Second-line treatment options for persistent, recurrent or metastatic (r/m) cervical cancer are limited. We investigated the safety, efficacy, and immunogenicity of the therapeutic DNA-based vaccine VB10.16 combined with the immune checkpoint inhibitor atezolizumab in patients with human papillomavirus (HPV)16-positive r/m cervical cancer.

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  • The study analyzes the cost differences in managing hematologic adverse events (AEs) for the individualized starting dose (ISD) versus the fixed starting dose (FSD) of niraparib from a US payer perspective.
  • Data from a phase III trial provided AE occurrence rates, and costs were calculated based on 2020 adjustments from a healthcare database.
  • Results showed that managing AEs was significantly cheaper with ISD ($6744.93) compared to FSD ($12,987.71), suggesting ISD not only cuts costs but also improves patient safety.
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Taxanes, such as paclitaxel (PTX), stabilize microtubules and are used as a first-line therapy in multiple cancer types. Disruption of microtubule equilibrium, which plays an essential role in mitosis and cell homeostasis, ultimately results in cell death. Even though PTX is a very potent chemotherapy, its use is associated with major side effects and therapy resistance.

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Background: The phase II PRIMMO trial investigated a pembrolizumab-based regimen in patients with recurrent and/or metastatic cervical (CC) or endometrial (EC) carcinoma who had at least one prior line of systemic therapy. Here, exploratory studies of the gut microbiome (GM) are presented.

Methods: The microbial composition of 77 longitudinal fecal samples obtained from 35 patients (CC, n = 15; EC, n = 20) was characterized using 16S rRNA gene sequencing.

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  • Bacterial extracellular vesicles (BEVs) play a crucial role in bacterial communication and could potentially be used as biomarkers and treatments in both ecological and medical contexts.
  • The analysis of 845 publications from 2015-2021 highlights the complexity of BEV research due to variations in their composition and features, with over 3338 related experiments documented.
  • The authors stress the importance of transparent reporting in BEV studies, identify existing knowledge gaps, and suggest best practices to enhance research quality and hasten the application of BEVs in various fields.
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  • The SERENA-2 trial investigates the efficacy of camizestrant, a new oral selective estrogen receptor degrader, compared to the traditional injectable SERD, fulvestrant, in treating advanced hormone receptor-positive breast cancer in post-menopausal women.
  • This phase 2 trial includes patients who have experienced disease progression after previous endocrine therapies and assesses different dosages of camizestrant against fulvestrant, focusing on progression-free survival rates as the primary outcome.
  • Conducted across 74 centers worldwide, the study also monitors the safety and side effects of the treatments among all participants who received at least one dose.
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Purpose: To describe the clinical presentation and management of severe capecitabine-induced corneal toxicity.

Observations: A 71-year-old woman presented with severe bilateral vision loss. Four months earlier, capecitabine was initiated for a metastatic invasive ductal carcinoma.

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Purpose: Niraparib is a poly(adenosine diphosphate [ADP]-ribose) polymerase inhibitor approved for the maintenance treatment of advanced ovarian cancer (OC). Niraparib was originally approved in recurrent OC at a fixed starting dose (FSD) of 300 mg once daily (QD). This analysis characterized the population pharmacokinetics (PK) of niraparib and evaluated the relationships between exposure, efficacy, and safety to support clinical use of an individualized dosing strategy, in which the starting dose of niraparib was adjusted based on patient characteristics to improve the benefit-risk profile.

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  • The SORAYA trial investigated the efficacy of mirvetuximab soravtansine-gynx in patients with FRα-high platinum-resistant ovarian cancer, achieving a primary endpoint with an objective response rate of 32.4%.
  • With a median overall survival of 15.0 months, those with fewer previous therapies had better outcomes (18.7 months for one to two lines vs. 11.6 months for three lines).
  • Response rates varied by treatment history, with a higher objective response rate noted in patients receiving mirvetuximab as their first treatment in the platinum-resistant setting (34.8%) compared to those who had prior therapies (28.2%).
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Objective: To evaluate the impact of age on the efficacy and safety of niraparib first-line maintenance therapy in patients with newly diagnosed advanced ovarian cancer with a complete/partial response to first-line platinum-based chemotherapy.

Methods: Post hoc analysis of the phase 3 PRIMA/ENGOT-OV26/GOG-3012 study (NCT02655016). Patients in the intent-to-treat population were categorized according to age at baseline (<65 years vs ≥65 years), and progression-free survival (PFS), safety, and health-related quality of life (HRQOL) were evaluated for each age subgroup (clinical cutoff date, May 17, 2019).

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Background And Purpose: Chemoradiotherapy followed by brachytherapy is the standard of care for locally advanced cervical cancer (LACC). In this study, we postulate that omitting an iconographical unaffected uterus (+12 mm distance from the tumour) from the treatment volume is safe and that no tumour will be found in the non-targeted uterus (NTU) leading to reduction of high-dose volumes of surrounding organs at risk (OARs).

Material And Methods: In this single-arm phase 2 study, two sets of target volumes were delineated: one standard-volume (whole uterus) and an EXIT-volume (exclusion of non-tumour-bearing parts of the uterus with a minimum 12 mm margin from the tumour).

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Ovarian cancer (OC) is an umbrella term for cancerous malignancies affecting the ovaries, yet treatment options for all subtypes are predominantly derived from high-grade serous ovarian cancer, the largest subgroup. The concept of "functional precision medicine" involves gaining personalized insights on therapy choice, based on direct exposure of patient tissues to drugs. This especially holds promise for rare subtypes like low-grade serous ovarian cancer (LGSOC).

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Extracellular vesicles (EVs) contain a plethora of biomolecules, including nucleic acids, with diverse diagnostic and therapeutic application potential. Although reverse transcription-quantitative PCR (RT-qPCR) is the most widely applied laboratory technique to evaluate gene expression, its applicability in EV research is challenged by the lack of universal and stably present reference genes (RGs). In this study, we identify, validate and establish SNRPG, OST4, TOMM7 and NOP10 as RGs for the normalization of EV-associated genes by RT-qPCR.

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Magnetic resonance imaging (MRI) can be used for the preoperative local staging of endometrial cancer (EC). The presence of ≥pT1b disease (i.e.

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Ovarian cancer is the most lethal gynecologic malignancy, mainly due to late-stage diagnosis, frequent recurrences, and eventually therapy resistance. To identify potentially actionable genetic variants, sequencing data of 351 Belgian ovarian cancer patients were retrospectively captured from electronic health records. The cohort included 286 (81%) patients with high-grade serous ovarian cancer, 17 (5%) with low-grade serous ovarian cancer, and 48 (14%) with other histotypes.

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Background: Low-grade serous and endometrioid ovarian cancers and adult-type granulosa cell tumors are rare ovarian malignancies that show high estrogen receptor positivity. Recurrences of these subtypes of ovarian cancer are often treated with conventional chemotherapy, although response rates are disappointing.

Primary Objective: To determine the overall response rate of the combination therapy of abemaciclib and letrozole in patients with estrogen receptor-positive rare ovarian cancers.

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Purpose: To assess experiences of sexuality and of receiving sexual healthcare in cervical cancer (CC) survivors.

Methods: A qualitative phenomenological study using semistructured one-on-one interviews was conducted with 15 Belgian CC survivors recruited in 5 hospitals from August 2021 to February 2022. The interviews were audiotaped and transcribed verbatim.

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Background: Substantial research has been devoted to elucidating the role of extracellular vesicles (EVs) in the different hallmarks of cancer. Consequently, EVs are increasingly explored as a source of cancer biomarkers in body fluids. However, the heterogeneity in EVs, the complexity of body fluids, and the diversity in methods available for EV analysis, challenge the development and translation of EV-based biomarker assays.

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Objectives: To investigate the practice patterns and quality of care for uterine cancer on a national level in Belgium, including trends in practice over the period 2012-2016.

Methods: Quality indicators were measured using the EFFectiveness of Endometrial Cancer Treatment (EFFECT) database. Multivariable logistic mixed regression was used to test for associations between the quality indicators and year of diagnosis, adjusted for potential confounders and intra-cluster correlations.

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Purpose: The aim of the study was to compare the difference in survival between invasive ductal (IDC) and lobular carcinoma (ILC).

Methods: Data of patients (n = 1843) with a hormone receptor-positive, HER2-negative, pT1-3 IDC or ILC cancer without distant metastasis, treated at the Ghent University Hospital over the time period 2001-2015, were analyzed.

Results: ILC represented 13.

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Purpose: To compare sexual/vaginal functioning between early cervical cancer (ECC) and locally advanced cervical cancer (LACC) survivors.

Methods: VAMOS was a multicenter, cross-sectional, questionnaire, noninferiority study including ECC patients treated with surgery and, if clinically indicated, adjuvant (chemo)radiotherapy and LACC patients treated with neoadjuvant (chemo)radiotherapy followed by surgery. Patient-reported outcomes (PROs) were assessed using the EORTC QLQ-C30, EORTC QLQ-CX24, and Female Sexual Functioning Index (FSFI) questionnaires.

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Purpose: The monarcHER trial has shown that abemaciclib, a cyclin-dependent kinase 4 and 6 inhibitor, combined with fulvestrant and trastuzumab, improves progression-free survival (PFS) in hormone receptor-positive (HR+), HER2-positive (HER2+) advanced breast cancer (ABC) compared with standard-of-care (SOC) chemotherapy combined with trastuzumab. We report the final overall survival (OS) analysis, updated safety and efficacy data, and exploratory biomarker results from monarcHER.

Patients And Methods: monarcHER (NCT02675231), a randomized, multicenter, open-label, phase II trial, enrolled 237 patients across Arm A (abemaciclib, trastuzumab, fulvestrant), Arm B (abemaciclib, trastuzumab), and Arm C (SOC chemotherapy, trastuzumab).

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