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R. Klement · SciRah

Researcher profile · Semantic Scholar

R. Klement

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R. Klement — researcher profile on SciRah

h-index: 34
Works: 151
Citations: 3,590

Most-cited papers

The SBRT database initiative of the German Society for Radiation Oncology (DEGRO): patterns of care and outcome analysis of stereotactic body radiotherapy (SBRT) for liver oligometastases in 474 patients with 623 metastases
N. Andratschke, H. Alheid, M. Allgäuer, G. Becker +16 more
2018BMC Cancer148 citations Open access
Semantic Scholar
Impact of Different Types of Diet on Gut Microbiota Profiles and Cancer Prevention and Treatment
R. Klement, V. Pazienza
2019Medicina134 citations Open access
Semantic Scholar
The impact of local control on overall survival after stereotactic body radiotherapy for liver and lung metastases from colorectal cancer: a combined analysis of 388 patients with 500 metastases
R. Klement, N. Abbasi-Senger, S. Adebahr, H. Alheid +30 more
2019BMC Cancer85 citations Open access
Semantic Scholar
Impact of a ketogenic diet intervention during radiotherapy on body composition: III—final results of the KETOCOMP study for breast cancer patients
R. Klement, C. Champ, U. Kämmerer, Petra S. Koebrunner +4 more
2020Breast Cancer Research83 citations Open access
Semantic Scholar
Ketogenic diets in medical oncology: a systematic review with focus on clinical outcomes
R. Klement, Nanina Brehm, Reinhart A. Sweeney
2020Medical Oncology80 citations
Semantic Scholar
Ketogenic diet treatment as adjuvant to standard treatment of glioblastoma multiforme: a feasibility and safety study
R. Klement, Reinhart A. Sweeney, Elena C. Gross, C. Champ
2019Therapeutic Advances in Medical Oncology80 citations Open access
Semantic Scholar
Potential Protective Mechanisms of Ketone Bodies in Migraine Prevention
Elena C. Gross, R. Klement, J. Schoenen, D. D'Agostino +1 more
2019Nutrients70 citations Open access
Semantic Scholar
Vitamin D Resistance as a Possible Cause of Autoimmune Diseases: A Hypothesis Confirmed by a Therapeutic High-Dose Vitamin D Protocol
D. Lemke, R. Klement, F. Schweiger, B. Schweiger +1 more
2021Frontiers in Immunology66 citations Open access
Semantic Scholar
The emerging role of ketogenic diets in cancer treatment
R. Klement
2019Current opinion in clinical nutrition and metabolic care66 citations
Semantic Scholar
Clinical research framework proposal for ketogenic metabolic therapy in glioblastoma
T. Duraj, Miriam Kalamian, G. Zuccoli, J. Maroon +45 more
2024BMC Medicine63 citations Open access
Semantic Scholar
Correlating dose variables with local tumor control in stereotactic body radiotherapy for early stage non-small cell lung cancer: A modelling study on 1500 individual treatments.
R. Klement, J. Sonke, M. Allgäuer, N. Andratschke +19 more
2020International Journal of Radiation Oncology, Biology, Physics59 citations
Semantic Scholar
A ketogenic diet consumed during radiotherapy improves several aspects of quality of life and metabolic health in women with breast cancer.
R. Klement, M. Weigel, Reinhart A. Sweeney
2021Clinical Nutrition53 citations
Semantic Scholar
Low Carb and Ketogenic Diets Increase Quality of Life, Physical Performance, Body Composition, and Metabolic Health of Women with Breast Cancer
U. Kämmerer, R. Klement, Fabian T. Joos, M. Sütterlin +1 more
2021Nutrients47 citations Open access
Semantic Scholar
The influence of ketogenic therapy on the 5 R’s of radiobiology
R. Klement
2019International Journal of Radiation Biology45 citations
Semantic Scholar
A ketogenic diet exerts beneficial effects on body composition of cancer patients during radiotherapy: An interim analysis of the KETOCOMP study
R. Klement, Gabriele Schäfer, Reinhart A. Sweeney
2019Journal of Traditional and Complementary Medicine44 citations Open access
Semantic Scholar
Impact of a ketogenic diet intervention during radiotherapy on body composition: IV. Final results of the KETOCOMP study for rectal cancer patients.
R. Klement, Petra S. Koebrunner, Detlef Meyer, S. Kanzler +1 more
2021Clinical Nutrition41 citations
Semantic Scholar
High-dose re-irradiation of intracranial lesions – Efficacy and safety including dosimetric analysis based on accumulated EQD2Gy dose EQD calculation
I. Stiefel, C. Schröder, S. Tanadini-Lang, I. Pytko +4 more
2021Clinical and Translational Radiation Oncology30 citations Open access
Semantic Scholar
The Safety of COVID-19 Vaccinations—We Should Rethink the Policy
H. Walach, R. Klement, Wouter Aukema
2021Vaccines30 citations Open access
Semantic Scholar
Risk factors for vertebral compression fracture after spine stereotactic body radiation therapy: Long-term results of a prospective phase 2 study.
F. Mantel, Reinhart A. Sweeney, R. Klement, M. Hawkins +6 more
2019Radiotherapy and Oncology28 citations Open access
Semantic Scholar
Stereotactic or conformal radiotherapy for adrenal metastases: Patient characteristics and outcomes in a multicenter analysis
D. Buergy, Florian Würschmidt, E. Gkika, J. Hörner-Rieber +24 more
2021International Journal of Cancer27 citations Open access
Semantic Scholar
Ketogenic diets consumed during radio-chemotherapy have beneficial effects on quality of life and metabolic health in patients with rectal cancer
R. Klement, Detlef Meyer, S. Kanzler, Reinhart A. Sweeney
2021European Journal of Nutrition27 citations
Semantic Scholar
Impact of a ketogenic diet intervention during radiotherapy on body composition: V. Final results of the KETOCOMP study for head and neck cancer patients
R. Klement, Reinhart A. Sweeney
2022Strahlentherapie und Onkologie (Print)25 citations Open access
Semantic Scholar
Estimation of the α/β ratio of non-small cell lung cancer treated with stereotactic body radiotherapy.
R. Klement, J. Sonke, M. Allgäuer, N. Andratschke +17 more
2019Radiotherapy and Oncology25 citations Open access
Semantic Scholar
Systems Thinking About SARS-CoV-2
R. Klement
2020Frontiers in Public Health24 citations Open access
Semantic Scholar
Cancer as a global health crisis with deep evolutionary roots
R. Klement
2024Global Transitions22 citations Open access
Semantic Scholar
Dose prescription for stereotactic body radiotherapy: general and organ-specific consensus statement from the DEGRO/DGMP Working Group Stereotactic Radiotherapy and Radiosurgery
Thomas B. Brunner, Judit Boda-Heggemann, D. Bürgy, S. Corradini +17 more
2024Strahlentherapie und Onkologie (Print)21 citations Open access
Semantic Scholar
Short-term effects of a Paleolithic lifestyle intervention in breast cancer patients undergoing radiotherapy: a pilot and feasibility study
R. Klement, Petra S. Koebrunner, Kelley Krage, M. Weigel +1 more
2020Medical Oncology20 citations
Semantic Scholar
Effect of Ketogenic Diets on Cardio-Metabolic Outcomes in Cancer Patients: A Systematic Review and Meta-Analysis of Controlled Clinical Trials
Alireza Amanollahi, Maryam Khazdouz, Mahsa Malekahmadi, R. Klement +2 more
2022Nutrition and Cancer18 citations
Semantic Scholar
A fatal case of Fournier’s gangrene during neoadjuvant radiotherapy for rectal cancer
R. Klement, Gabriele Schäfer, Reinhart A. Sweeney
2018Strahlentherapie und Onkologie (Print)16 citations
Semantic Scholar
Anti-tumor effects of ketogenic diets and their synergism with other treatments in mice: Bayesian evidence synthesis of 1755 individual mouse survival data
R. Klement
2023Biomedical Journal12 citations Open access
Semantic Scholar
The SARS-CoV-2 crisis: A crisis of reductionism?
R. Klement
2020Public Health12 citations Open access
Semantic Scholar
The Epistemology of a Positive SARS-CoV-2 Test
R. Klement, Prasanta Bandyopadhyay
2020Acta Biotheoretica11 citations Open access
Semantic Scholar
External peer review of the RTPCR test to detect SARS-CoV-2 reveals 10 major scientific flaws at the molecular and methodological level: consequences for false positive results.
Peter Borger, R. Malhotra, M. Yeadon, Clare Craig +18 more
202010 citations
Semantic Scholar
Comment to Impact of postmastectomy radiotherapy on the outcomes of breast cancer patients with T1-2 N1 disease; an individual patient data analysis of three clinical trials
C. Matuschek, D. Krug, R. Klement, R. Baumann
2019Strahlentherapie und Onkologie (Print)10 citations
Semantic Scholar
Accelerated hyperfractionated radiochemotherapy with temozolomide is equivalent to normofractionated radiochemotherapy in a retrospective analysis of patients with glioblastoma
V. Lewitzki, R. Klement, R. Kosmala, D. Lisowski +2 more
2019Radiation Oncology10 citations Open access
Semantic Scholar
Pulmonary Stereotactic Body Radiotherapy of Oligometastatic Head-and-Neck Squamous Cell Carcinoma - A multicenter retrospective study.
F. Nagler, S. Vorbach, A. A. Mohamed, Sarandi Thaqi +31 more
2025International Journal of Radiation Oncology, Biology, Physics9 citations Open access
Semantic Scholar
The impact of serum glucose in the treatment of locoregionally advanced pancreatic cancer
N. Iarrobino, B. Gill, R. Klement, M. Bernard +1 more
2019American Journal of Clinical Oncology9 citations Open access
Semantic Scholar
Assessing successful completion of calorie restriction studies for the prevention and treatment of cancer.
C. Champ, R. Klement
2020Nutrition (Burbank, Los Angeles County, Calif.)8 citations
Semantic Scholar
Emergence and Evidence: A Close Look at Bunge’s Philosophy of Medicine
R. Klement, Prasanta Bandyopadhyay
2019Philosophies8 citations Open access
Semantic Scholar
External validation of a prognostic score predicting overall survival for patients with brain metastases based on extracranial factors
V. Lewitzki, R. Klement, S. Hess, R. Kosmala +2 more
2019Clinical and Translational Radiation Oncology8 citations Open access
Semantic Scholar
SEIR models in the light of Critical Realism – A critique of exaggerated claims about the effectiveness of Covid 19 vaccinations
R. Klement, H. Walach
2023Futures7 citations Open access
Semantic Scholar
Metabolic factors associated with the prognosis of oligometastatic patients treated with stereotactic body radiotherapy
R. Klement, Reinhart A. Sweeney
2023Cancer Metastasis Review7 citations
Semantic Scholar
Why do people consent to receiving SARS-CoV-2 vaccinations? A representative survey in Germany
H. Walach, Michael Ofner, Viviane Ruof, Markus Herbig +1 more
2022BMJ Open7 citations Open access
Semantic Scholar
Was there a need for high carbohydrate content in Neanderthal diets?
R. Klement
2022American Journal of Biological Anthropology7 citations Open access
Semantic Scholar
Low Vitamin D Status in a Cancer Patient Population from Franconia, Germany
R. Klement, Petra S. Koebrunner, Kelley Krage, Reinhart A. Sweeney
2020Complementary Medicine Research7 citations Open access
Semantic Scholar
Identifying factors associated with COVID-19 related deaths during the first wave of the pandemic in Europe
R. Klement, H. Walach
2022Frontiers in Public Health6 citations Open access
Semantic Scholar
Low Carb (LCD) and Ketogenic (KD) Diets Increase Quality of Life, Physical Performance, Body Composition and Metabolic Health of Women with Breast Cancer Better Than a Standard Diet (SD)
U. Kämmerer, R. Klement, M. Sütterlin, M. Reuss-Borst
20206 citations Open access
Semantic Scholar
The risk‐benefit ratio of Covid‐19 vaccines: Publication policy by retraction does nothing to improve it
H. Walach, R. Klement, Wouter Aukema
2022Clinical and Translational Discovery5 citations Open access
Semantic Scholar
When is a Ketogenic Diet Ketogenic? Comment on “Satiating Effect of a Ketogenic Diet and Its Impact on Muscle Improvement and Oxidation State in Multiple Sclerosis Patients, Nutrients 2019, 11, 1156”
R. Klement
2019Nutrients5 citations Open access
Semantic Scholar
Subjective Experiences and Blood Parameter Changes in Individuals From Germany Following a Self-Conceived “Carnivore Diet”: An Explorative Study
R. Klement, J. Matzat
2025Cureus4 citations Open access
Semantic Scholar

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