Dose Recovery
Dose recovery may be defined as a fraction of the API present in the administration vehicle that is delivered to the patient upon administration using a given administration route and apparatus.
The dose recovery issue may become important early in the drug development program. For example, if animal testing is conducted using oral gavage administration of a suspension of a drug substance, dose uniformity and dose recovery should be verified.
In the course of development of an API for clinical administration, the suitability of administration vehicle and administration apparatus will be tested by measuring dose recovery. WLI can characterize the amount of active pharmaceutical ingredient delivered via any common route of administration including parenteral, oral liquid, or oral solid dosage forms. WLI has accumulated expertise in determining suitability of a formulation for co-administration with another drug. In addition, we are experienced in analyses of specialty dosage forms and devices.
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