Lisinopril and sertraline
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Stability and Environmental Impact of Lisinopril and Sertraline
Stability of Lisinopril and Sertraline in Oral Suspensions
Stability in SyrSpend SF PH4 Oral Suspensions
Lisinopril and sertraline are commonly used active pharmaceutical ingredients (APIs) that can be compounded into oral suspensions, particularly beneficial for patients with swallowing difficulties, such as the elderly and pediatric populations. A study evaluated the stability of these APIs when compounded in SyrSpend SF PH4, a ready-to-use suspending vehicle. The study found that both lisinopril (1 mg/mL) and sertraline hydrochloride (10 mg/mL) maintained their stability over a 90-day period when stored at both controlled refrigerated temperatures (2°C to 8°C) and room temperature (20°C to 25°C) . The active pharmaceutical ingredient contents remained between 90% and 110% throughout the study period, indicating that SyrSpend SF PH4 is a reliable vehicle for compounding these medications.
Environmental Impact of Lisinopril and Sertraline
Presence in Wastewater Effluents
The environmental impact of pharmaceuticals, including lisinopril and sertraline, has been a growing concern. A comprehensive study measured the concentrations of 56 APIs in effluent samples from 50 large wastewater treatment plants across the United States. Lisinopril was identified as one of the six anti-hypertensive APIs with the highest potential risk estimates for human exposure, although the overall risk was considered very low . On the other hand, sertraline and its metabolite desmethylsertraline were highlighted for their potential ecological impacts, suggesting the need for more detailed studies on their effects on aquatic life .
Conclusion
Both lisinopril and sertraline demonstrate stable profiles when compounded in SyrSpend SF PH4 oral suspensions, making them suitable for patients with dysphagia. However, their presence in wastewater effluents raises concerns about potential environmental impacts, particularly for sertraline. While the risks to human health are low, further research is warranted to understand the ecological consequences of these pharmaceuticals in the environment.
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