Abstract
Objectives
This study evaluates the impact of systemic medications and polypharmacy on unstimulated (UWS) and chewing-stimulated whole saliva (SWS) flow rates in patients with xerostomia.
Material and methods
This cross-sectional multicenter study is based on data of patients referred to five oral medicine outpatient practices in Europe and USA from January 2000 and April 2014. Relevant demographic, social, medical history and current medications were collected.
Results
The study included 1144 patients, 972 (85%) females, with a mean (SD) age of 59 (14.1) years. In unmatched patients, the UWS flow rate was lower in patients taking a medication (vs. not taking a medication) from the following drug categories: opioid analgesics, anticonvulsants, antidepressants, antihypertensives, benzodiazepines, corticosteroids, diuretics, disease-modifying antirheumatic drugs (DMARDs) and hormones. There was a greater negative effect on SWS flow rate in patients taking (vs. not taking) anticonvulsants, antidepressants, benzodiazepines, corticosteroids, and DMARDs. In matched patients, both UWS (0.22 vs. 0.19 ml/min; p = 0.03) and SWS (0.97 vs. 0.85 ml/min; p = .017) flow rates were higher in patients on non-opioid analgesics (vs. not taking). The UWS flow rate was lower in patients taking antidepressants (vs. not taking) (0.16 vs. 0.22 ml/min p = .002) and higher (and within normal range) in patients taking sex hormones (vs. not taking) (0.25 vs. 0.16 ml/min; p = .005). On the other hand, SWS was lower in patients taking corticosteroid (vs. not taking) (0.76 vs. 1.07 ml/min; p = .002), and in patients taking DMARDs (vs. not taking) (0.71 vs. 0.98 ml/min; p = .021).
Finally, differences in medians of both UWS and SWS were statistically significant in patients taking 1 or more than 1 opioid analgesic (vs. not taking, p ≤ .0001 and p = .031, respectively), 1 or more than 1 anticonvulsants (vs. not taking, p = .008 and p = .007), 1 or more than 1 antidepressants (vs. not taking, p < .0001 for both), 1 or more than 1 DMARDs (vs. not taking, p = .042, and p = .003).
Conclusions
A greater negative impact on UWS and SWS flow rates was seen in patients taking more than one medication from the same drug class. Intake of antidepressants, corticosteroids and DMARDs is associated with lower whole saliva flow rates.
Clinical relevance
Salivary flow rate can be modified by some specific medications, mostly by polypharmacy.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request. Some data may not be made available because of privacy or ethical restrictions.
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Funding
Dr. Giulio Fortuna received an American Academy of Oral Medicine Research Advancement Committee Award to support this work.
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All authors made substantial contributions to the study conception or design, or the acquisition, analysis or interpretation of data for the work; and drafting the work or revising it critically for important intellectual content. Details regarding author contributions are as follows:
study conception or design: GF, SW, KS, IA, AAR, AMLP, AV, OF, MA, DJJ, JN, SBJ, AW, MTB; acquisition of data: GF, SW, IA, AAR, AMLP, AV, OF, DJJ, JN, SBJ, AW, MTB; analysis or interpretation of data: GF, KS, IA, AAR, AMLP, AV, OF, MA, DJJ, SBJ, AW, MTB; drafting the work: GF, KS, MA, AW, MTB; editing/revising the work: GF, SW, KS, IA, AAR, AMLP, AV, OF, MA, DJJ, JN, SBJ, AW, MTB. All authors gave final approval of the version to be published and agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The corresponding author attests that all listed authors meet authorship criteria and that no others meeting the criteria have been omitted.
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Appropriate Ethics Board approval was obtained for patients assessed in the present study. The study was conducted in accordance with the principles of the Declaration of Helsinki. Informed consent was obtained from all participants.
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Fortuna, G., Whitmire, S., Sullivan, K. et al. Impact of medications on salivary flow rate in patients with xerostomia: a retrospective study by the Xeromeds Consortium. Clin Oral Invest 27, 235–248 (2023). https://doi.org/10.1007/s00784-022-04717-1
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DOI: https://doi.org/10.1007/s00784-022-04717-1