Investigation of the potential association between the use of fluoxetine and occurrence of acute pancreatitis: a Danish register-based cohort study
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Investigation of the potential association between the use of fluoxetine and occurrence of acute pancreatitis : a Danish register-based cohort study. / Aakjær, Mia; Kristiansen, Sarah Brøgger; Pape, Kathrine; Sessa, Maurizio; Dalhoff, Kim Peder; De Bruin, Marie Louise; Andersen, Morten.
In: International Journal of Epidemiology, Vol. 51, No. 5, 2022, p. 1656–1665.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Investigation of the potential association between the use of fluoxetine and occurrence of acute pancreatitis
T2 - a Danish register-based cohort study
AU - Aakjær, Mia
AU - Kristiansen, Sarah Brøgger
AU - Pape, Kathrine
AU - Sessa, Maurizio
AU - Dalhoff, Kim Peder
AU - De Bruin, Marie Louise
AU - Andersen, Morten
N1 - © The Author(s) 2022. Published by Oxford University Press on behalf of the International Epidemiological Association.
PY - 2022
Y1 - 2022
N2 - BACKGROUND: There is currently conflicting evidence of the association between the use of selective serotonin reuptake inhibitors (SSRIs) and acute pancreatitis. The SSRI fluoxetine has been suspected to be the driver of this serious outcome. Therefore, this study aims to investigate the potential association between fluoxetine use and the occurrence of acute pancreatitis.METHODS: We conducted a nationwide cohort study using Danish register-based data from 1996 to 2016. The exposed group were new users of fluoxetine (1-year washout). The control subjects were new users of citalopram or SSRIs, excluding fluoxetine. The outcome was an incident diagnosis of acute pancreatitis with a 5-year washout. We used an intention-to-treat approach following patients for a maximum of 6 months. Cox regression analyses were performed, estimating hazard ratios (HRs) and 95% confidence intervals (CIs) adjusted for age/sex, comorbidities and co-medications, using propensity score adjustment and matching.RESULTS: In the propensity score-matched analyses, 61 783 fluoxetine users were included. The incidence rates among users of fluoxetine and other SSRIs were 5.33 (3.05-8.66) and 5.36 (3.06-8.70) per 10 000 person-years, respectively. No increased risk of acute pancreatitis was identified following fluoxetine exposure compared with either citalopram [HR 1.00, 95% CI 0.50-2.00) or other SSRIs (0.76, 0.40-1.46).CONCLUSIONS: Fluoxetine use was not associated with an increased risk of acute pancreatitis compared with citalopram or other SSRIs. The absolute risk of acute pancreatitis was low and did not vary between different SSRIs. Further research is needed to determine whether there is a class effect on the risk of acute pancreatitis.
AB - BACKGROUND: There is currently conflicting evidence of the association between the use of selective serotonin reuptake inhibitors (SSRIs) and acute pancreatitis. The SSRI fluoxetine has been suspected to be the driver of this serious outcome. Therefore, this study aims to investigate the potential association between fluoxetine use and the occurrence of acute pancreatitis.METHODS: We conducted a nationwide cohort study using Danish register-based data from 1996 to 2016. The exposed group were new users of fluoxetine (1-year washout). The control subjects were new users of citalopram or SSRIs, excluding fluoxetine. The outcome was an incident diagnosis of acute pancreatitis with a 5-year washout. We used an intention-to-treat approach following patients for a maximum of 6 months. Cox regression analyses were performed, estimating hazard ratios (HRs) and 95% confidence intervals (CIs) adjusted for age/sex, comorbidities and co-medications, using propensity score adjustment and matching.RESULTS: In the propensity score-matched analyses, 61 783 fluoxetine users were included. The incidence rates among users of fluoxetine and other SSRIs were 5.33 (3.05-8.66) and 5.36 (3.06-8.70) per 10 000 person-years, respectively. No increased risk of acute pancreatitis was identified following fluoxetine exposure compared with either citalopram [HR 1.00, 95% CI 0.50-2.00) or other SSRIs (0.76, 0.40-1.46).CONCLUSIONS: Fluoxetine use was not associated with an increased risk of acute pancreatitis compared with citalopram or other SSRIs. The absolute risk of acute pancreatitis was low and did not vary between different SSRIs. Further research is needed to determine whether there is a class effect on the risk of acute pancreatitis.
U2 - 10.1093/ije/dyac071
DO - 10.1093/ije/dyac071
M3 - Journal article
C2 - 35472246
VL - 51
SP - 1656
EP - 1665
JO - International Journal of Epidemiology
JF - International Journal of Epidemiology
SN - 0300-5771
IS - 5
ER -
ID: 304373474