Pharmacoepidemiological Prescription Database of North Jutland (PDNJ)


The Regional Prescription Database includes information on prescription medications dispensed in Denmark in North Jutland County since 1991, Aarhus County since 1996, and in Viborg and Ringkoebing Counties since 1998. It contains data on more than 70 million dispensed prescriptions, includes a personal identification system, and can be linked to other Danish registries.

Selected References


Lokkegaard EL, Johnsen SP, Heitmann BL, Stahlberg C, Pedersen AT, Obel EB, Hundrup YA, Hallas J, Sorensen HT. The validity of self-reported use of hormone replacement therapy among Danish nurses. Acta Obstet Gynecol Scand. 2004 May;83(5):476-81.


Ewertz M, Mellemkjaer L, Poulsen AH, Friis S, Sorensen HT, Pedersen L, McLaughlin JK, Olsen JH. Hormone use for menopausal symptoms and risk of breast cancer. A Danish cohort study. Br J Cancer. 2005 Apr 11;92(7):1293-7.

Friis S, Poulsen AH, Johnsen SP, McLaughlin JK, Fryzek JP, Dalton SO, Sorensen HT, Olsen JH. Cancer risk among statin users: a population-based cohort study. Int J Cancer. 2005 Apr 20;114(4):643-7.

Sorensen HT, Mellemkjaer L, Nielsen GL, Baron JA, Olsen JH, Karagas MR. Skin cancers and non-hodgkin lymphoma among users of systemic glucocorticoids: a population-based cohort study. J Natl Cancer Inst. 2004 May 5;96(9):709-11.

Sorensen HT, Friis S, Norgard B, Mellemkjaer L, Blot WJ, McLaughlin JK, Ekbom A, Baron JA. Risk of cancer in a large cohort of nonaspirin NSAID users: a population-based study. Br J Cancer. 2003 Jun 2;88(11):1687-92.

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