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Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients

Cilt: 7 Sayı: 3 29 Temmuz 2026
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Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients

Öz

Aim: In this study, the determination of N-nitrosodimethyl amine (NDMA) and N-nitrosodiethyl amine (NDEA) contents in medicines containing metformin and sitagliptin as active ingredients was aimed. pharmaceutical Methods: Pharmaceutical products containing metformin and sitagliptin were obtained from local pharmacies. The levels of NDMA and NDEA in these medicines were analyzed using headspace gas chromatography–mass spectrometry (HS-GC-MS). Results: NDMA concentrations were found to range between 0.920 and 1.571 mg.kg-1, while NDEA levels ranged from 1.241 to 2.908 mg.kg-1. On a per-tablet basis, the detected NDMA amounts ranged from 4.59.10-4 to 1.65.10-3 mg, and NDEA amounts ranged from 7.94.10-4 to 3.54.10-3 mg. Conclusion: The values obtained were found to be above the acceptable intake limits (96 ng/day for NDMA and 26.5 ng/day for NDEA).

Anahtar Kelimeler

Drug, headspace GCMS, N-nitrosodiethyl amine (NDEA), N-nitrosodimethyl amine (NDMA)

Kaynakça

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Kaynak Göster

APA
Sungur, Ş., & Demetgül, C. (2026). Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients. Yeni Yüzyıl Journal of Medical Sciences, 7(3), 119-128. https://izlik.org/JA86MW42FF
AMA
1.Sungur Ş, Demetgül C. Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients. JMS. 2026;7(3):119-128. https://izlik.org/JA86MW42FF
Chicago
Sungur, Şana, ve Cansel Demetgül. 2026. “Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients”. Yeni Yüzyıl Journal of Medical Sciences 7 (3): 119-28. https://izlik.org/JA86MW42FF.
EndNote
Sungur Ş, Demetgül C (01 Temmuz 2026) Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients. Yeni Yüzyıl Journal of Medical Sciences 7 3 119–128.
IEEE
[1]Ş. Sungur ve C. Demetgül, “Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients”, JMS, c. 7, sy 3, ss. 119–128, Tem. 2026, [çevrimiçi]. Erişim adresi: https://izlik.org/JA86MW42FF
ISNAD
Sungur, Şana - Demetgül, Cansel. “Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients”. Yeni Yüzyıl Journal of Medical Sciences 7/3 (01 Temmuz 2026): 119-128. https://izlik.org/JA86MW42FF.
JAMA
1.Sungur Ş, Demetgül C. Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients. JMS. 2026;7:119–128.
MLA
Sungur, Şana, ve Cansel Demetgül. “Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients”. Yeni Yüzyıl Journal of Medical Sciences, c. 7, sy 3, Temmuz 2026, ss. 119-28, https://izlik.org/JA86MW42FF.
Vancouver
1.Şana Sungur, Cansel Demetgül. Investigation of Nitrosamine Impurities in Pharmaceutical Preparations Containing Metformin and Sitagliptin Active Ingredients. JMS [Internet]. 01 Temmuz 2026;7(3):119-28. Erişim adresi: https://izlik.org/JA86MW42FF