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  1. Artikel ; Online: Risk of parkinsonism and related movement disorders with gabapentinoids or tramadol: A case-crossover study.

    Ri, Kairi / Fukasawa, Toshiki / Yoshida, Satomi / Takeuchi, Masato / Kawakami, Koji

    Pharmacotherapy

    2023  Band 43, Heft 2, Seite(n) 136–144

    Abstract: Introduction: A safety signal concerning parkinsonism and related movement disorders with gabapentinoids (gabapentin and pregabalin) or tramadol was detected by reviewing individual case reports and data mining in spontaneous report databases. Well- ... ...

    Abstract Introduction: A safety signal concerning parkinsonism and related movement disorders with gabapentinoids (gabapentin and pregabalin) or tramadol was detected by reviewing individual case reports and data mining in spontaneous report databases. Well-designed pharmacoepidemiological studies are needed to assess the signal.
    Objective: This study aimed to investigate the association of exposure to gabapentinoids or tramadol with the risk of parkinsonism and related movement disorders.
    Methods: We conducted a case-crossover study using a Japanese electronic medical records database. Patients with newly diagnosed parkinsonism or related movement disorders between January 1, 2007, and April 14, 2019, were identified. The diagnosis date of outcomes was defined as the index date. We assessed the exposure of each patient to gabapentinoids or tramadol during a 90-day hazard period ending 1 day before the index date and in three 90-day reference periods. Multivariable conditional logistic regression models were employed to estimate adjusted odds ratios (aORs) and 95% confidence intervals (CIs). To confirm the robustness of the primary findings, we also performed sensitivity analyses using a case-case-time-control design, a different time window for hazard and reference periods, a different definition of outcome, and different number of reference periods.
    Results: A total of 28,972 eligible cases were included in the primary analysis. Exposure to gabapentinoids (aOR, 2.12; 95% CI, 1.73-2.61) and tramadol (aOR, 2.04; 95% CI, 1.57-2.64) was associated with increased risk. Results were consistent across sensitivity analyses.
    Conclusion: Our findings serve as a caution to physicians who prescribe gabapentinoids or tramadol in routine clinical practice.
    Mesh-Begriff(e) Humans ; Tramadol/adverse effects ; Cross-Over Studies ; Gabapentin/adverse effects ; Pregabalin/adverse effects ; Parkinsonian Disorders/chemically induced ; Analgesics, Opioid/adverse effects
    Chemische Substanzen Tramadol (39J1LGJ30J) ; Gabapentin (6CW7F3G59X) ; Pregabalin (55JG375S6M) ; Analgesics, Opioid
    Sprache Englisch
    Erscheinungsdatum 2023-01-19
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 603158-4
    ISSN 1875-9114 ; 0277-0008
    ISSN (online) 1875-9114
    ISSN 0277-0008
    DOI 10.1002/phar.2761
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Frequency and determinants of serum calcium monitoring during eldecalcitol therapy in patients with osteoporosis.

    Ri, Kairi / Fukasawa, Toshiki / Masuda, Soichiro / Tanaka, Shiro / Takeuchi, Masato / Yoshida, Satomi / Kawakami, Koji

    Journal of bone and mineral metabolism

    2023  Band 41, Heft 6, Seite(n) 890–900

    Abstract: Introduction: Eldecalcitol (ELD) is an active vitamin D: Materials and methods: This was a descriptive cohort study using a Japanese electronic medical records database. We identified osteoporosis patients who initiated treatment with ELD or other ... ...

    Abstract Introduction: Eldecalcitol (ELD) is an active vitamin D
    Materials and methods: This was a descriptive cohort study using a Japanese electronic medical records database. We identified osteoporosis patients who initiated treatment with ELD or other AVDs (alfacalcidol and calcitriol) between April 1, 2011 and September 10, 2021. The index date for cohort entry was the first prescription date of ELD or other AVDs. The frequency of serum calcium monitoring was evaluated every 6 months. Determinants of serum calcium monitoring were identified using multivariable logistic regression models. We also calculated the incidence of hypercalcemia and the frequency of serum calcium monitoring within 6 months before hypercalcemia.
    Results: We identified 12,671 ELD users and 7867 other AVD users. Within 6 months after cohort entry, 45.9% of ELD users and 58.7% of other AVD users underwent serum calcium monitoring. Female sex, no use of systemic corticosteroids, moderate-to-good renal function, treatment in smaller hospitals, and treatment in orthopedic surgery departments were associated with a lower likelihood of receiving serum calcium monitoring during ELD therapy. The incidence of hypercalcemia among ELD users was 6.36 per 100 person-years, with 20.6% of cases not receiving serum calcium monitoring before hypercalcemia.
    Conclusion: Our findings suggest that serum calcium monitoring is not given adequate attention during ELD therapy in routine clinical practice.
    Mesh-Begriff(e) Humans ; Female ; Calcium ; Hypercalcemia/drug therapy ; Hypercalcemia/chemically induced ; Cohort Studies ; Bone Density ; Vitamin D ; Osteoporosis/drug therapy ; Osteoporosis/chemically induced
    Chemische Substanzen eldecalcitol (I2JP8UE90H) ; Calcium (SY7Q814VUP) ; Vitamin D (1406-16-2)
    Sprache Englisch
    Erscheinungsdatum 2023-10-28
    Erscheinungsland Japan
    Dokumenttyp Journal Article
    ZDB-ID 1295123-7
    ISSN 1435-5604 ; 0914-8779
    ISSN (online) 1435-5604
    ISSN 0914-8779
    DOI 10.1007/s00774-023-01470-7
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Carrier-Mediated Process of Putrescine Elimination at the Rat Blood-Retinal Barrier.

    Tega, Yuma / Kubo, Yoshiyuki / Miura, Hiroaki / Ri, Kairi / Tomise, Ayaka / Akanuma, Shin-Ichi / Hosoya, Ken-Ichi

    International journal of molecular sciences

    2023  Band 24, Heft 10

    Abstract: Putrescine is a bioactive polyamine. Its retinal concentration is strictly controlled to maintain a healthy sense of vision. The present study investigated putrescine transport at the blood-retinal barrier (BRB) to gain a better understanding of the ... ...

    Abstract Putrescine is a bioactive polyamine. Its retinal concentration is strictly controlled to maintain a healthy sense of vision. The present study investigated putrescine transport at the blood-retinal barrier (BRB) to gain a better understanding of the mechanisms of putrescine regulation in the retina. Our microdialysis study showed that the elimination rate constant during the terminal phase was significantly greater (1.90-fold) than that of [
    Mesh-Begriff(e) Rats ; Animals ; Blood-Retinal Barrier/metabolism ; Putrescine/metabolism ; Rats, Wistar ; Retina/metabolism ; Biological Transport ; Polyamines/metabolism ; Mannitol/metabolism
    Chemische Substanzen Putrescine (V10TVZ52E4) ; Polyamines ; Mannitol (3OWL53L36A)
    Sprache Englisch
    Erscheinungsdatum 2023-05-19
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms24109003
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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