Bernd Kremer

Prof. Dr. Bernd Kremer


Research Focus & Metrics

Academic Career Length

4Years (2023-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 November 2023 in Cancers
Verified
Journal Article
Open access
PDF file
MWMonse W. M. Wieland
Monse W. M. Wieland
WPWalmari Pilz
Walmari Pilz
Bjorn WinkensBjorn Winkens
Bjorn Winkens
AHAnn Hoeben
Ann Hoeben
AWAnna C. H. Willemsen
Anna C. H. Willemsen
LBLaura WJ Baijens
Laura WJ Baijens
Background: Head-and-neck cancer (HNC) can give rise to oropharyngeal dysphagia (OD), malnutrition, sarcopenia, and frailty. Early identification of these phenomena in newly diagnosed HNC patients is important to reduce the risk of complications and to improve treatment outcomes. The aim of this study was (1) to determine the prevalence of the risk of OD, malnutrition, sarcopenia, and frailty; and (2) to investigate the relation between these phenomena and patients’ age, performance status, and cancer group staging. Methods: Patients (N = 128) underwent multi-domain screening consisting of the Eating Assessment Tool-10 for OD, Short Nutritional Assessment Questionnaire and BMI for malnutrition, Short Physical Performance Battery and Hand Grip Strength for sarcopenia, and Distress Thermometer and Maastricht Frailty Screening Tool for frailty. Results: 26.2%, 31.0%, 73.0%, and 46.4% of the patients were at risk for OD, malnutrition, sarcopenia, or frailty, respectively. Patients with an advanced cancer stage had a significantly higher risk of OD and high levels of distress prior to cancer treatment. Conclusions: This study identified the risk profile of newly diagnosed HNC patients using a standardized ‘quick and easy’ multi-domain screening prior to cancer treatment.

17 April 2025 in Cancers
Verified
Journal Article
Open access
PDF file
BZBo Zweedijk
Bo Zweedijk
SDSebastiaan W.R. Dalmeijer
Sebastiaan W.R. Dalmeijer
LMLabrinus van Manen
Labrinus van Manen
HGHidde Galema
Hidde Galema
LLLorraine Lauwerends
Lorraine Lauwerends
SKStijn Keereweer
Stijn Keereweer
The lymphatic system plays a crucial role in the spread of solid tumors and is often the first site of metastasis, as cancer cells typically invade nearby lymph nodes (LN) before potentially spreading to other LNs through the lymphatic system and distant organs through the bloodstream

Verified
Journal Article
Open access
PDF file
KPKatrin S. Pachler
Katrin S. Pachler
ILIris Lauwers
Iris Lauwers
NVNicole S. Verkaik
Nicole S. Verkaik
MRMarta Rovituso
Marta Rovituso
EWErnst van der Wal
Ernst van der Wal
MCMarta Ewa Capala
Marta Ewa Capala
Radiotherapy in the head-and-neck area is one of the main curative treatment options. However, this comes at the cost of varying levels of normal tissue toxicity, affecting up to 80% of patients. Mucositis can cause pain, weight loss and treatment delays, leading to worse outcomes and a decreased quality of life. Therefore, there is an urgent need for an approach to predicting normal mucosal responses in patients prior to treatment. We here describe an assay to detect irradiation responses in healthy oral mucosa tissue. Mucosa specimens from the oral cavity were obtained after surgical resection, cut into thin slices, irradiated and cultured for three days. Seven samples were irradiated with X-ray, and three additional samples were irradiated with both X-ray and protons. Healthy oral mucosa tissue slices maintained normal morphology and viability for three days. We measured a dose-dependent response to X-ray irradiation and compared X-ray and proton irradiation in the same mucosa sample using standardized automated image analysis. Furthermore, increased levels of inflammation-inducing factors—major drivers of mucositis development—could be detected after irradiation. This model can be utilized for investigating mechanistic aspects of mucositis development and can be developed into an assay to predict radiation-induced toxicity in normal mucosa.

15 May 2024 in Preprints.org
Verified
Preprint
Open access
PDF file
KPKatrin S. Pachler
Katrin S. Pachler
ILIris Lauwers
Iris Lauwers
NVNicole S. Verkaik
Nicole S. Verkaik
MRMarta Rovituso
Marta Rovituso
EWErnst van der Wal
Ernst van der Wal
MCMarta Ewa Capala
Marta Ewa Capala
Background: Radiotherapy in the head-and-neck area is one of the main curative treatment options. However, this comes at the cost of varying levels of normal tissue toxicity, affecting up to 80% of patients. Mucositis can cause pain, weight loss and treatment delay leading to worse outcomes and decreased quality of life. Therefore, there is an urgent need for an approach to predict normal mucosa response in patients prior to treatment. Methods: We here describe an assay to detect irradiation response in patient healthy oral mucosa tissue. Mucosa specimens from the oral cavity were obtained after surgical resection, cut into thin slices, irradiated, and cultured for three days. Seven samples were irradiated with X-ray and three additional samples were irradiated with both X-ray and protons. Results: Healthy oral mucosa tissue slices maintained normal morphology and viability for three days. We measured a dose-dependent response to X-ray irradiation and compared X-ray and proton irradiation in the same mucosa sample, using standardized automated image analysis. Furthermore, increased levels of inflammation inducing factors - major drivers in mucositis development - could be detected after irradiation. Conclusion: This model can be utilized for investigating mechanistic aspects of mucositis development and can be developed into an assay to predict radiation-induced toxicity in normal mucosa.