Coupling syringe system and methods for obtaining a mixed composition
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Example 1
[0047]The LA-2575 30.0 mg drug product when injected subcutaneously forms a biodegradable implant that delivers 30.0 mg of leuprolide acetate (LA) over a four-month period. The drug product is composed of two separate syringes. Syringe A with a female Luer Lok fitting contains the drug delivery vehicle, and Syringe B with a male Luer Lok fitting contains lyophilized LA. To constitute the product for injection, Syringe A and Syringe B are connected, and the contents are passed back and forth until blended. After mixing, the two syringes are separated, a hypodermic needle is attached to Syringe B, and the constituted drug product is administered subcutaneously to the patient.
[0048]A fraction of the constituted drug product is trapped in the hub of Syringe A after the mixing process and in the hub and needle of Syringe B after injection. To meet the targeted delivery values, this retained drug product must be accounted for when calculating the fill weights for both syringes. Also
Example
Example 2
[0053]The 6-Month ELIGARD 45.0 mg drug product when injected subcutaneously forms a biodegradable implant that delivers 45.0 mg of leuprolide acetate (LA) over a six-month period. The drug product is composed of two separate syringes. Syringe A with a female Luer Lok fitting contains the drug delivery vehicle, and Syringe B with a male Luer Lok fitting contains lyophilized LA. To constitute the product for injection, Syringe A and Syringe B are connected, and the contents are passed back and forth until blended. After mixing, the two syringes are separated, a hypodermic needle is attached to Syringe B, and the constituted drug product is administered subcutaneously to the patient.
[0054]A fraction of the constituted drug product is trapped in the hub of Syringe A after the mixing process and in the hub and needle of Syringe B after injection. To meet the targeted delivery values, this retained drug product must be accounted for when calculating the fill weights for both syringe
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