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Pituitary

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Clinical score system in the treatment of Cushing’s disease: failure to identify discriminative variables from the German Cushing’s Registry

  • Mareike R. StiegEmail author
  • Matthias K. Auer
  • Christina Berr
  • Julia Fazel
  • Martin Reincke
  • Stephanie Zopp
  • Alexander Yassouridis
  • Günter K. Stalla
Article
  • 6 Downloads

Abstract

Purpose

To develop a multidimensional and integrated clinical scoring instrument, that encompasses, summarizes and weights appropriately the desired clinical benefits of a treatment for Cushing’s disease (CD).

Methods

A panel of 42 variables potentially relevant to the clinical course of CD was predefined by endocrinology experts taking into account relevant literature. Variables as well as biochemical disease activity assessed as urinary free cortisol (UFC) levels were evaluated at baseline and at least after 12 months in patients treated between 2012 and 2016 in two Munich-based academic centres of the German Cushing’s Registry. The primary endpoint was the identification of variables whose changes from baseline to follow-up visit(s) could characterize well biochemical cured from not cured patients after 12 months.

Results

Ninety nine patients with at least two consecutive visits were enrolled. Biochemical data were available for 138 visit-pairs among which UFC was not controlled in 48 (34.8%) and controlled in 90 (65.2%) first visits. In 41 (29.7%) consecutive visits (visit-pairs) changes in biochemical activity categories was observed between visits; concretely: in 17 (12.3%) consecutive visits changing from previously controlled to not controlled, and in 24 (17.4%) from uncontrolled to controlled biochemical activity. Multivariate statistical analyses (especially analyses of variance) based on data of the 138 visit-pairs were performed in order to proof possible effects of biochemical activity on clinical benefits. However, in none of the considered 42 variables corresponding to quality of life-dimensions, laboratory, anthropometric, musculo-skeletal or other clinical areas any statistically significant differences between different categories of biochemical activity were observed.

Conclusion

It was not possible to provide clinical key parameters in our population of patients with CD discriminating biochemical cured from non-cured patients and to construct a clinical scoring system reflecting clinical treatment benefits.

Keywords

Cushing’s disease Clinical score Scoring system Hypercortisolism Therapy response 

Notes

Acknowledgements

This study was only feasible due to the support of our clinical team members at both study sites.

Funding

This study was funded by Novartis Pharma (research grant to G.K.S.).

Compliance with ethical standards

Conflict of interest

M.R. has received speakers fees by Novartis, Ipsen, Pfizer; consultancy fees by Novartis, research funding by Novartis, Pfizer; G.K.S. has received consultancy and/ or speaker fees and/ or reimbursements of delegate fees for conferences/ educational events and/ or travel expenses and /or funding for research projects from Pfizer, Ipsen, Lilly, Shire, Novartis, Sandoz, NovoNordisk, HRA; M.R.S. has received consultancy fees by Shire, reimbursement conference delegate fees, participant fees for educational events, travel expenses by Pfizer, Ipsen, Novartis, Shire, funding for research project from Pfizer; M.K.A. has received consultancy fees from Shire, reimbursement conference delegate fees, participant fees for educational events, travel expenses by Pfizer, Ipsen, and Lilly, funding for research project from Pfizer. The other authors declare no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Neuroendocrinology Research GroupMax Planck Institute of Psychiatry MunichMunichGermany
  2. 2.Medizinische Klinik und Poliklinik IVKlinikum der Universität, Ludwig-Maximilians Universität MünchenMunichGermany
  3. 3.Max Planck Institute of Psychiatry MunichMunichGermany

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