prof. dr. E. (Eelko) Hak

Full professor of Pharmacoepidemiology / Chair unit PharmacoTherapy, -Epidemiology, -Economics

Faculty of Science and Engineering

Telephone:

+31 6 5001 9923 (Secretariat)

+31 50 36 32772 (fax)

E-mail:

e.hak rug.nl

Homepage ORCID Research Portal

Publications

Novel observational study designs with new influenza vaccines

Hak, E., Mar-2015, In: Lancet Infectious Diseases. 15, 3, p. 253-254 2 p.

Research output: Contribution to journal › Article › Academic › peer-review

Birth cohort appeared to confound effect estimates of guideline changes on statin utilization

Bijlsma, M. J., Janssen, F., Lub, R., Bos, J. H. J., De Vries, F. M., Vansteelandt, S. & Hak, E., Mar-2015, In: Journal of Clinical Epidemiology. 68, 3, p. 334-340 7 p.

Research output: Contribution to journal › Article › Academic › peer-review

Is combined use of SSRIs and NSAIDs associated with an increased risk of starting peptic ulcer treatment?

Pouwels, K. B., Kalkman, G. A., Schagen, D., Visser, S. T. & Hak, E., Jul-2014, In: British Journal of Clinical Pharmacology. 78, 1, p. 192-193 2 p.

Research output: Contribution to journal › Letter (Research letter) › Academic › peer-review

Effectiveness of seasonal influenza vaccine in community-dwelling elderly people: A meta-analysis of test-negative design case-control studies

Darvishian, M., Bijlsma, M. J., Hak, E. & van den Heuvel, E. R., Dec-2014, In: Lancet Infectious Diseases. 14, 12, p. 1228-1239 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

Antibiotic use among dutch pregnant woman and the development of toddler asthma: The influence of confounding

Mulder, B., Pouwels, K. B., Schuiling-Veninga, N. C. M., Bos, J., De Vries, T. W., Jick, S. S. & Hak, E., Oct-2014, In: Pharmacoepidemiology and Drug Safety. 23, S1, p. 20-21 2 p.

Research output: Contribution to journal › Meeting Abstract › Academic

After adjusting for bias in meta-analysis seasonal influenza vaccine remains effective in community-dwelling elderly

Darvishian, M., Gefenaite, G., Turner, R. M., Pechlivanoglou, P., Van der Hoek, W., Van den Heuvel, E. R. & Hak, E., Jul-2014, In: Journal of Clinical Epidemiology. 67, 7, p. 734-744 11 p.

Research output: Contribution to journal › Review article › peer-review

A temporal network analysis of drug co-prescription during antidepressants and anxiolytics dispensing in the Netherlands from 2018 to 2022

Lamuri, A., Balafas, S., Hak, E., Bos, J. H., Jörg, F. & Feenstra, T. L., Jun-2026, In: Global Epidemiology. 11, 8 p., 100248.

Research output: Contribution to journal › Article › Academic › peer-review

Intra-erythrocyte creatine, plasma creatine and long-term outcomes in stable kidney transplant recipients: Results from the TransplantLines Biobank and Cohort study

TransplantLines Investigators, Doorenbos, C. S. E., Post, A., van der Veen, Y., Franssen, C. F. M., Eisenga, M. F., Dullaart, R. P. F., Navis, G., Wu, Q., Gonzalez-Delgado, J. M., Connelly, M. A. & Bakker, S. J. L., Feb-2026, In: Clinical Nutrition Open Science. 65, 17 p., 100606.

Research output: Contribution to journal › Article › Academic › peer-review

Long-Term Adherence and Drug Utilisation Patterns Among New Users of Anti-Hyperlipidemic Monotherapy: Development of a Risk Prediction Model

Li, X., Hak, E., Bos, J. H. J., Schuiling-Veninga, C. C. M. & Mubarik, S., Feb-2026, In: Journal of Evaluation in Clinical Practice. 32, 1, 10 p., e70380.

Research output: Contribution to journal › Article › Academic › peer-review

Symptom Burden and Patient-Reported Outcomes in Kidney Transplant Recipients: Results From the TransplantLines Biobank and Cohort Studies

TransplantLines Investigators, Riemersma, N. L., Knobbe, T. J., Kremer, D., Nolte, S., Bültmann, U., Annema, C., Shehab, N. B. N., Eisenga, M. F., Berger, S. P., Bakker, S. J. L. & Nieuwenhuijs, G. J., Jan-2026, In: Kidney Medicine. 8, 1, 11 p., 101168.

Research output: Contribution to journal › Article › Academic › peer-review