AI Article Synopsis
- - The study aimed to assess the stability of Sandoz Rixathon®/Riximyo® (SDZ-RTX) when exposed to out-of-fridge (OOF) conditions, simulating short-term temperature excursions after more than their 36-month shelf-life storage at low temperatures.
- - Three batches of SDZ-RTX were tested under two specific OOF conditions, and various analytical methods were used to evaluate parameters such as protein content, biological activity, and essential pharmaceutical tests.
- - Results indicated that SDZ-RTX maintained its stability, with only minor changes observed, confirming it is safe for use even after prolonged exposure to adverse conditions.
Article Abstract
Aim: The purpose of this study was to evaluate the extended physicochemical and biological stability of Sandoz Rixathon®/Riximyo® (SDZ-RTX) after exposure to out-of-fridge (OOF) conditions.
Materials And Methods: The impact of the short-term temperature excursion on stability parameters of SDZ-RTX was simulated by subsequently exposing the three batches of SDZ-RTX (100 and 500 mg) to OOF conditions, (I) 25 ± 2 °C/60 ± 5% relative humidity (RH) and (II) 30 ± 2 °C/65 ± 5% RH, for up to 21 days after more than the claimed 36-month shelf-life storage in long-term conditions (5 ± 3 °C). Analytical methods used included the cation exchange chromatography (CEX), size exclusion chromatography (SEC), and non-reducing capillary electrophoresis-sodium dodecyl sulfate (nrCE-SDS), as well as biological activity by complement-dependent cytotoxicity (CDC)-bioactivity as well as further methods, for example, related to identity and pharmacopoeia test methods.
Results: No notable changes were observed across all batches with respect to identity (charge and primary structure), pharmaceutical tests (clarity, visible and subvisible particles analytics, container appearance, degree of coloration, pH, osmolality, extractable volume, and container closure integrity testing), protein content by UV and microbiological parameters (sterility and bacterial endotoxins) under both OOF conditions. Only minor changes were observed for parameters evaluated via SEC, CEX, and nrCE-SDS. For potency (CDC-bioactivity) only one of the batches showed a relevant change. Even for these stability-indicating test methods, all analyzed parameters complied with the shelf-life specifications.
Conclusion: SDZ-RTX is safe for use even under worst-case conditions, for example, after subjecting it for up to 21 days at OOF conditions (25 ± 2 °C/60 ± 5% RH or 30 ± 2 °C/65 ± 5% RH) after the batches had reached an age that was already beyond the claimed shelf-life.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9433506 | PMC |
| http://dx.doi.org/10.1007/s40268-022-00393-4 | DOI Listing |
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