Research output per year
Research output per year
Personal profile
Biography
Endocrinology and endocrine oncology are the main focus of the clinical activities of Gerlof Valk. (Neuro-) endocrine tumors diagnosis, treatment and follow-up, care for patients with Multiple Endocrine Neoplasia (MEN) and the standardization and continuous improvement of the national care for patients with MEN are his specific areas of expertise. Epidemiologic and translational research within the field of MEN related (pancreatic) neuroendocrine tumors is his main research focus including innovative treatment strategies and personalized cancer care.
ACADEMIC APPOINTMENTS
2014 – today
Internist-endocrinologist, professor of endocrinology with emphasis on endocrine tumors, head of section endocrinology, program director endocrinology residency
2007 – 2014
Internist-endocrinologist, vice program director internal medicine residency
1997 – 2001
Senior researcher, Institute for Extramural Medical Research (EMGO Institute), Free University Medical Centre
DIPLOMAS AND CERTIFICATION
2007 Certification National Board of Internal Medicine and Endocrinology
2002 MSc Clinical Epidemiology
1997 PhD Thesis: ‘The diagnosing of diabetic polyneuropathy in daily clinical practice’. Free University Medical Centre, Amsterdam
1994 Certification National Board of General Practitioners
1990 MD (cum laude)
Side activities
National coordinator of the European Reference Network (ERN) Rare Endocrine Conditions
Member of the daily board of BijnierNET
Lead of ENETS task force MEN 1
Personal webpage
External positions
Lead ENETS MEN1 taskforce - Voorzitter van taskforce van leden vanuit ENETS Centers of Excellence - ENETS
15 Jan 2021 → 31 Dec 3999
Nationaal coordinator Rare Endocrine Conditions, ENDO ERN - Coordineren van samenwerking tussen Expertise Centra Zeldzame Aandoeningen - ENDO ERN
1 Feb 2017 → 31 Dec 3999
Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Elevated levels of circulating microbial-associated uremic toxins are associated with metastatic duodenopancreatic neuroendocrine tumors in patients with Multiple Endocrine Neoplasia Type 1
Ballarò, R., Wasylishen, A. R., Pieterman, C. R. C., Olsen, C., Irajizad, E., Wu, R., Katayama, H., Liu, H., Cai, Y., León-Letelier, R. A., Dennison, J. B., Waguespack, S., Do, K.-A., Agarwal, S. K., Walter, M., Welch, J., Weinstein, L., Blau, J. E., Jha, S. & Nilubol, N. & 7 others, , 1 Apr 2025, In: Cancer Letters. 614, 12 p., 217537.Research output: Contribution to journal › Article › Academic › peer-review
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Screening and surveillance practices for Multiple Endocrine Neoplasia type 1-related Neuroendocrine Tumours in European Neuroendocrine Tumor Society Centers of Excellence (ENETS CoE)—An ENETS MEN1 task force questionnaire study
Pieterman, C. R. C., Grozinsky-Glasberg, S., O'Toole, D., Howe, J. R., Ambrosini, V., Belli, S. H., Andreassen, M., Begum, N., Denecke, T., Faggiano, A., Falconi, M., Grey, J., Knigge, U. P., Kolarova, T., Niederle, B., Nieveen van Dijkum, E., Partelli, S., Pascher, A., Rindi, G. & Ruszniewski, P. & 9 others, , Jan 2025, In: Journal of Neuroendocrinology. 37, 1, e13468.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile -
Differences in checkpoint-inhibitor-induced hypophysitis: mono- versus combination therapy induced hypophysitis
van der Leij, S., Suijkerbuijk, K. P. M., van den Broek, M. F. M., Valk, G. D., Dankbaar, J. W. & van Santen, H. M., 29 Jul 2024, In: Frontiers in Endocrinology. 15, 9 p., 1400841.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile -
Expression of integrin α vβ 3 in medullary thyroid carcinoma.
de Vries, L. H., Lodewijk, L., Pijnappel, E. W., van Diest, P. J., Schepers, A., Bonenkamp, H. J., van Engen-van Grunsven, I. A., Kruijff, S., van Hemel, B. M., Links, T. P., Nieveen van Dijkum, E. J., Eeden, S. V., van Leeuwaarde, R. S., Valk, G. D., Keizer, B. D., Borel Rinkes, I. H. & Vriens, M. R., 2024, In: Future Oncology. 20, 27, p. 2015-2022 8 p.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile -
Glucagon-Producing Pancreatic Neuroendocrine Tumors (Glucagonomas) are Enriched in Aggressive Neoplasms with ARX and PDX1 Co-expression, DAXX/ATRX Mutations, and ALT (Alternative Lengthening of Telomeres)
Mattiolo, P., Bevere, M., Mafficini, A., Verschuur, A. V. D., Calicchia, M., Hackeng, W. M., Simbolo, M., Paiella, S., Dreijerink, K. M. A., Landoni, L., Pedron, S., Cingarlini, S., Salvia, R., Milella, M., Lawlor, R. T., Valk, G. D., Vriens, M. R., Scarpa, A., Brosens, L. A. & Luchini, C., Dec 2024, In: Endocrine Pathology. 35, 4, p. 354-361 8 p., e2300251.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile
Activities
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Child Health: KIKA beurs
van Leeuwaarde, R. (Contributor), van Santen, H. (Contributor), Schepers, S. (Contributor), Verrijn Stuart, A. (Contributor) & Valk, G. (Contributor)
Sept 2022Activity: Other › Types of Public engagement and outreach - Media article or participation
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More research needed into Hypothalamic Syndrome in patients
van Santen, H. (Interviewee), van de Wetering, M. (Contributor), Hoving, E. (Contributor), Stades, A. (Contributor) & Valk, G. (Contributor)
28 Apr 2022Activity: Other › Types of Public engagement and outreach - Media article or participation
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Natural course of MEN-2B syndrome in a Dutch single-center cohort
Rijks, E. B. G. (Speaker), Valk, G. (Speaker) & Verrijn Stuart, A. (Speaker)
29 Sept 2018Activity: Talk or presentation › Oral presentation › Academic