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C. Helsper · SciRah

Researcher profile · Semantic Scholar

C. Helsper

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C. Helsper — researcher profile on SciRah

h-index: 18
Works: 50
Citations: 1,190

Most-cited papers

What is the prevalence of fear of cancer recurrence in cancer survivors and patients? A systematic review and individual participant data meta‐analysis
Yvonne L. Luigjes-Huizer, N. Tauber, G. Humphris, Nadine A. Kasparian +24 more
2022Psycho-Oncology298 citations Open access
Semantic Scholar
Patients' preferred and perceived level of involvement in decision making for cancer treatment: A systematic review
E. A. Noteboom, A. May, E. van der Wall, N. J. de Wit +1 more
2021Psycho-Oncology99 citations Open access
Semantic Scholar
Routine primary care data for scientific research, quality of care programs and educational purposes: the Julius General Practitioners’ Network (JGPN)
H. Smeets, M. F. Kortekaas, F. Rutten, M. Bots +6 more
2018BMC Health Services Research78 citations Open access
Semantic Scholar
Cancer has not gone away: A primary care perspective to support a balanced approach for timely cancer diagnosis during COVID‐19
C. Helsper, C. Campbell, J. Emery, R. Neal +7 more
2020European Journal of Cancer Care62 citations Open access
Semantic Scholar
Time to diagnosis and treatment for cancer patients in the Netherlands: Room for improvement?
C. Helsper, N. van Erp, P. Peeters, N. J. de Wit
2017European Journal of Cancer55 citations Open access
Semantic Scholar
Outcomes of hepatitis C screening programs targeted at risk groups hidden in the general population: a systematic review
F. Zuure, A. Urbanus, M. Langendam, C. Helsper +3 more
2014BMC Public Health46 citations Open access
Semantic Scholar
Do GPs know their patients with cancer? Assessing the quality of cancer registration in Dutch primary care: a cross-sectional validation study
A. Sollie, Jessika Roskam, R. Sijmons, M. Numans +1 more
2016BMJ Open35 citations Open access
Semantic Scholar
Shared decision making in cancer treatment: A Dutch national survey on patients' preferences and perceptions
M. M. M. Kuijpers, H. van Veenendaal, V. Engelen, E. Visserman +6 more
2021European Journal of Cancer Care34 citations Open access
Semantic Scholar
A support programme for primary care leads to substantial improvements in the effectiveness of a public hepatitis C campaign.
C. Helsper, G. V. van Essen, M. Bonten, N. J. de Wit
2010Family Practice33 citations Open access
Semantic Scholar
Follow-up of mild alanine aminotransferase elevation identifies hidden hepatitis C in primary care.
C. Helsper, G. V. van Essen, B. Frijling, N. J. de Wit
2012The British journal of general practice : the journal of the Royal College of General Practitioners32 citations Open access
Semantic Scholar
Reusability of coded data in the primary care electronic medical record: A dynamic cohort study concerning cancer diagnoses
A. Sollie, R. Sijmons, C. Helsper, M. Numans
2017Int. J. Medical Informatics31 citations Open access
Semantic Scholar
Variation in the initial assessment and investigation for ovarian cancer in symptomatic women: a systematic review of international guidelines
G. Funston, M. V. van Melle, Marie-Louise L Baun, H. Jensen +6 more
2019BMC Cancer29 citations Open access
Semantic Scholar
Time to diagnosis of symptomatic gastric and oesophageal cancer in the Netherlands: Where is the room for improvement?
N. van Erp, C. Helsper, P. Slottje, D. Brandenbarg +6 more
2020United European Gastroenterology journal27 citations Open access
Semantic Scholar
Effectiveness and cost-effectiveness of nationwide campaigns for awareness and case finding of hepatitis C targeted at people who inject drugs and the general population in the Netherlands.
C. Helsper, M. Janssen, G. V. van Essen, E. Croes +3 more
2017The International journal on drug policy27 citations Open access
Semantic Scholar
Mental Health Morbidities and Time to Cancer Diagnosis Among Adults With Colon Cancer in England
Sara Benitez Majano, G. Lyratzopoulos, N. J. de Wit, B. White +4 more
2022JAMA Network Open25 citations Open access
Semantic Scholar
Trends and determinants of adequate gastroprotection in patients chronically using NSAIDs
C. Helsper, H. Smeets, M. Numans, M. Knol +2 more
2009Pharmacoepidemiology and Drug Safety25 citations
Semantic Scholar
Patient perspectives on telemedicine during the COVID-19 pandemic: a mixed-methods community-based study
Marije J. Splinter, M. Ikram, C. Helsper, P. Bindels +2 more
2023BMC Health Services Research20 citations Open access
Semantic Scholar
Potential for Reducing Time to Referral for Colorectal Cancer Patients in Primary Care
N. van Erp, C. Helsper, Saskia M Olyhoek, R. R. Janssen +3 more
2019Annals of Family Medicine20 citations Open access
Semantic Scholar
Patient-reported needs for coping with worry or fear about cancer recurrence and the extent to which they are being met: a survey study
Yvonne L. Luigjes-Huizer, M. L. van der Lee, C. Richel, Roel A Masselink +2 more
2022Journal of cancer survivorship17 citations Open access
Semantic Scholar
Randomised controlled trial protocol (GRIP study): examining the effect of involvement of a general practitioner and home care oncology nurse after a cancer diagnosis on patient reported outcomes and healthcare utilization
I. A. Perfors, C. Helsper, E. A. Noteboom, E. van der Wall +2 more
2018BMC Cancer17 citations Open access
Semantic Scholar
Effectiveness of a guided online primary care intervention for fear of cancer recurrence: A randomised controlled trial
Yvonne L. Luigjes-Huizer, C. Helsper, N. J. de Wit, M. L. van der Lee
2023Psycho-Oncology16 citations Open access
Semantic Scholar
Impact of the COVID-19 pandemic on breast cancer incidence and tumor stage in the Netherlands and Norway: A population-based study.
A. Eijkelboom, L. de Munck, M. Larsen, M. Bijlsma +11 more
2023Cancer Epidemiology14 citations Open access
Semantic Scholar
Effects of a time out consultation with the general practitioner on cancer treatment decision‐making: a randomised controlled trial
I. A. Perfors, E. A. Noteboom, N. J. de Wit, E. van der Wall +14 more
2020Psycho-Oncology14 citations Open access
Semantic Scholar
GP involvement after a cancer diagnosis; patients’ call to improve decision support
E. A. Noteboom, I. A. Perfors, A. May, M. Stegmann +7 more
2020BJGP open14 citations Open access
Semantic Scholar
Off to a good start after a cancer diagnosis: implementation of a time out consultation in primary care before cancer treatment decision
E. A. Noteboom, N. J. de Wit, Ingrid J. E. M. van Asseldonk, Monique A. J. Janssen +14 more
2019Journal of cancer survivorship14 citations Open access
Semantic Scholar
A blended learning for general practitioners and nurses on skills to support shared decision-making with patients about palliative cancer treatment: A one-group pre-posttest study.
Danique W. Bos-van den Hoek, E. Smets, Rania Ali, M. Baas-Thijssen +6 more
2023Patient Education and Counseling13 citations Open access
Semantic Scholar
The Impact of the COVID Pandemic on the Incidence of Presentations with Cancer-Related Symptoms in Primary Care
M. Grant, C. Helsper, R. Stellato, N. van Erp +6 more
2022Cancers10 citations Open access
Semantic Scholar
Involving the general practitioner during curative cancer treatment: a systematic review of health care interventions
I. A. Perfors, A. May, Josi A. Boeijen, N. J. de Wit +2 more
2019BMJ Open9 citations Open access
Semantic Scholar
Primary care management of women with breast cancer-related concerns-a dynamic cohort study using a network database.
A. Sollie, C. Helsper, R. J. M. Ader, M. Ausems +2 more
2016European Journal of Cancer Care9 citations Open access
Semantic Scholar
Identification of patients at risk for colorectal cancer in primary care: an explorative study with routine healthcare data
Nynke R. Koning, L. Moons, F. Büchner, C. Helsper +2 more
2015European Journal of Gastroenterology and Hepathology9 citations Open access
Semantic Scholar
Artificial intelligence for early detection of lung cancer in GPs’ clinical notes: a retrospective observational cohort study
M. Schut, T. Luik, I. Vagliano, Miguel Rios +5 more
2025The British journal of general practice : the journal of the Royal College of General Practitioners8 citations Open access
Semantic Scholar
Study protocol of the BLANKET trial: a cluster randomised controlled trial on the (cost-) effectiveness of a primary care intervention for fear of cancer recurrence in cancer survivors
Yvonne L. Luigjes-Huizer, M. L. van der Lee, N. J. de Wit, C. Helsper
2019BMJ Open8 citations Open access
Semantic Scholar
Impact of the COVID-19 Outbreak—Delayed Referral of Colorectal and Lung Cancer in Primary Care: A National Retrospective Cohort Study
C. Helsper, C. V. van Gils, N. van Erp, Marinde F. R. Siepman van den Berg +8 more
2023Cancers7 citations Open access
Semantic Scholar
Cancer suspicion, referral to cancer patient pathway and primary care interval: a survey and register study exploring 10 different types of abdominal cancer.
N. H. Jessen, H. Jensen, C. Helsper, A. Falborg +3 more
2021Family Practice7 citations
Semantic Scholar
Treatment decision‐making and the added value of the general practitioner: A qualitative exploration of cancer patients' perspectives
E. A. Noteboom, S. Vervoort, A. May, E. V. van Dorst +6 more
2021European Journal of Cancer Care7 citations Open access
Semantic Scholar
Long‐COVID and long‐term cancer survivorship—Shared lessons and opportunities
Taku Harada, K. Schmitz, C. Helsper, Grace Campbell +1 more
2022European Journal of Cancer Care5 citations Open access
Semantic Scholar
Identifying patients with a history of ovarian cancer for referral for genetic counselling: non-randomised comparison of two case-finding strategies in primary care
C. Helsper, L. V. van Vliet, M. Velthuizen, N. J. de Wit +7 more
2018The British journal of general practice : the journal of the Royal College of General Practitioners5 citations Open access
Semantic Scholar
Cancer detection during the COVID‐19 pandemic—Experiences in primary care and recommendations for the future
Marinde F. R. Siepman Van den Berg, M. Grant, N. van Erp, C. V. van Gils +5 more
2022Journal of general and family medicine4 citations Open access
Semantic Scholar
Effects of structured involvement of the primary care team versus standard care after a cancer diagnosis on patient satisfaction and healthcare use: the GRIP randomised controlled trial
I. A. Perfors, C. Helsper, E. A. Noteboom, E. Visserman +14 more
2022BMC Primary Care4 citations Open access
Semantic Scholar
Increased survival means increasing roles for primary care after cancer diagnosis.
R. Adam, N. J. de Wit, P. Groome, C. Helsper +3 more
2017The British journal of general practice : the journal of the Royal College of General Practitioners3 citations Open access
Semantic Scholar
Case finding strategies for hepatitis C infection
C. Helsper
20113 citations
Semantic Scholar
Need for a primary care–based intervention for fear of cancer recurrence: conclusions from the BLANKET trial
Yvonne L. Luigjes-Huizer, C. Helsper, M. Gerrits, N. J. de Wit +1 more
2022Journal of Psychosocial Oncology Research & Practice2 citations Open access
Semantic Scholar
Hepatitis C – opsporing verzocht
C. Helsper
2013Huisarts en Wetenschap2 citations Open access
Semantic Scholar
Correction: Patient perspectives on telemedicine during the COVID-19 pandemic: a mixed-methods community-based study
Marije J. Splinter, M. Ikram, C. Helsper, P. Bindels +2 more
2025BMC Health Services Research0 citations Open access
Semantic Scholar
A qualitative study on the feasibility and acceptability of a primary care intervention for fear of cancer recurrence
Yvonne L. Luigjes-Huizer, M. P. Schellekens, N. J. de Wit, C. Helsper +4 more
2025Journal of Health Psychology0 citations Open access
Semantic Scholar
Colorectal cancer follow-up after surgical resection since the COVID-19 pandemic: first steps towards out-of-hospital follow-up?
H. Swartjes, K. Voigt, L. Wullaert, J. Meijer +16 more
2024ESMO real world data and digital oncology0 citations Open access
Semantic Scholar
Developing a regional transmural care database: A roadmap
Debbie Vermond, C. Helsper, M. F. Kortekaas, N. Boekema +3 more
2021Int. J. Medical Informatics0 citations Open access
Semantic Scholar
WONCA 2016 Kopenhagen: ‘Doctors with heads and hearts’
C. Helsper
2016Huisarts en Wetenschap0 citations
Semantic Scholar
988 OUTCOMES OF HEPATITIS C SCREENING PROGRAMS TARGETED AT RISK GROUPS HIDDEN IN THE GENERAL POPULATION: A SYSTEMATIC REVIEW
A. Urbanus, F. Zuure, M. Langendam, C. Helsper +3 more
20130 citations Open access
Semantic Scholar
Edinburgh Research Explorer Cancer has not gone away
C. Helsper, R. Neal, Li Li, H. V. van Weert +2 more
0 citations
Semantic Scholar

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