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Urinary nerve growth factor and a variable solifenacin dosage in patients with an overactive bladder.
Int Urogynecol J. 2016 Feb; 27(2):275-80.IU

Abstract

INTRODUCTION AND HYPOTHESIS

We evaluated changes in urinary nerve growth factor (NGF) and NGF/creatinine (NGF/Cr) levels after increasing the dosage of solifenacin in overactive bladder patients.

METHODS

The study groups included 59 overactive bladder (OAB) patients and 20 healthy subjects as controls. We measured NGF at baseline for the patients and controls, and used the Overactive Bladder Awareness Tool (OAB-V8) to evaluate urinary symptoms. All patients received a treatment of solifenacin 5 mg for 6 weeks. The responders to treatment served as group 1 and nonresponders received solifenacin 10 mg for an additional 6 weeks. Responders and nonresponders to the 10-mg treatment were defined as groups 2 and 3 respectively. NGF was measured after each treatment using the ELISA method and normalized by the urinary creatinine levels (NGF/Cr).

RESULTS

There were 21, 22 and 16 patients in groups 1, 2, and 3 respectively. At baseline, the NGF and NGF/Cr levels were higher in groups 1, 2, and 3 compared with the controls. After the solifenacin 5 mg treatment, the NGF and NGF/Cr levels of group 1 individuals decreased to those of the control level. After increasing the dosage of solifenacin to 10 mg in group 2, the NGF and NGF/Cr levels decreased to normal levels. In group 3 (patients who did not responded to any treatment), these levels remained unchanged.

CONCLUSIONS

Our results suggest that urinary NGF could be a potential biomarker for monitoring the treatment of symptoms in OAB patients who are treated with solifenacin.

Authors+Show Affiliations

Department of Urology, Sivas Numune Hospital, Sivas, Turkey. seyfettinciftci@yahoo.com.Department of Urology, School Medicine, University of Kocaeli, Kocaeli, Turkey.Department of Urology, School Medicine, University of Kocaeli, Kocaeli, Turkey.Department of Urology, School Medicine, University of Kocaeli, Kocaeli, Turkey.Department of Urology, School Medicine, University of Kocaeli, Kocaeli, Turkey.Department of Urology, School Medicine, University of Kocaeli, Kocaeli, Turkey.Department of Biochemistry, School of Medicine, University of Kocaeli, Kocaeli, Turkey.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26310546

Citation

Ciftci, Seyfettin, et al. "Urinary Nerve Growth Factor and a Variable Solifenacin Dosage in Patients With an Overactive Bladder." International Urogynecology Journal, vol. 27, no. 2, 2016, pp. 275-80.
Ciftci S, Ozkurkcugil C, Yilmaz H, et al. Urinary nerve growth factor and a variable solifenacin dosage in patients with an overactive bladder. Int Urogynecol J. 2016;27(2):275-80.
Ciftci, S., Ozkurkcugil, C., Yilmaz, H., Ustuner, M., Yavuz, U., Yuksekkaya, M., & Cekmen, M. B. (2016). Urinary nerve growth factor and a variable solifenacin dosage in patients with an overactive bladder. International Urogynecology Journal, 27(2), 275-80. https://doi.org/10.1007/s00192-015-2825-3
Ciftci S, et al. Urinary Nerve Growth Factor and a Variable Solifenacin Dosage in Patients With an Overactive Bladder. Int Urogynecol J. 2016;27(2):275-80. PubMed PMID: 26310546.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Urinary nerve growth factor and a variable solifenacin dosage in patients with an overactive bladder. AU - Ciftci,Seyfettin, AU - Ozkurkcugil,Cuneyd, AU - Yilmaz,Hasan, AU - Ustuner,Murat, AU - Yavuz,Ufuk, AU - Yuksekkaya,Mustafa, AU - Cekmen,Mustafa Baki, Y1 - 2015/08/27/ PY - 2015/06/23/received PY - 2015/08/04/accepted PY - 2015/8/28/entrez PY - 2015/8/28/pubmed PY - 2016/11/8/medline KW - Nerve growth factor KW - Overactive bladder KW - Solifenacin KW - Treatment refractory SP - 275 EP - 80 JF - International urogynecology journal JO - Int Urogynecol J VL - 27 IS - 2 N2 - INTRODUCTION AND HYPOTHESIS: We evaluated changes in urinary nerve growth factor (NGF) and NGF/creatinine (NGF/Cr) levels after increasing the dosage of solifenacin in overactive bladder patients. METHODS: The study groups included 59 overactive bladder (OAB) patients and 20 healthy subjects as controls. We measured NGF at baseline for the patients and controls, and used the Overactive Bladder Awareness Tool (OAB-V8) to evaluate urinary symptoms. All patients received a treatment of solifenacin 5 mg for 6 weeks. The responders to treatment served as group 1 and nonresponders received solifenacin 10 mg for an additional 6 weeks. Responders and nonresponders to the 10-mg treatment were defined as groups 2 and 3 respectively. NGF was measured after each treatment using the ELISA method and normalized by the urinary creatinine levels (NGF/Cr). RESULTS: There were 21, 22 and 16 patients in groups 1, 2, and 3 respectively. At baseline, the NGF and NGF/Cr levels were higher in groups 1, 2, and 3 compared with the controls. After the solifenacin 5 mg treatment, the NGF and NGF/Cr levels of group 1 individuals decreased to those of the control level. After increasing the dosage of solifenacin to 10 mg in group 2, the NGF and NGF/Cr levels decreased to normal levels. In group 3 (patients who did not responded to any treatment), these levels remained unchanged. CONCLUSIONS: Our results suggest that urinary NGF could be a potential biomarker for monitoring the treatment of symptoms in OAB patients who are treated with solifenacin. SN - 1433-3023 UR - https://www.unboundmedicine.com/medline/citation/26310546/Urinary_nerve_growth_factor_and_a_variable_solifenacin_dosage_in_patients_with_an_overactive_bladder_ DB - PRIME DP - Unbound Medicine ER -