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Drug development is the process of bringing a new pharmaceutical drug to the market once a lead compound has been identified through the process of drug discovery.It includes preclinical research on microorganisms and animals, filing for regulatory status, such as via the United States Food and Drug Administration for an investigational new drug to initiate clinical trials on humans, and may ...
A collection of plant, animal and microbial samples from rich ecosystems can potentially give rise to novel biological activities worth exploiting in the drug development process. One example of successful use of this strategy is the screening for antitumor agents by the National Cancer Institute , which started in the 1960s.
Drug design, often referred to as rational drug design or simply rational design, is the inventive process of finding new medications based on the knowledge of a biological target. [1] The drug is most commonly an organic small molecule that activates or inhibits the function of a biomolecule such as a protein , which in turn results in a ...
For drug development, the clinical phases start with testing for drug safety in a few human subjects, then expand to many study participants (potentially tens of thousands) to determine if the treatment is effective. [1] Clinical research is conducted on drug candidates, vaccine candidates, new medical devices, and new diagnostic assays.
[3] [4] The drug discovery process generally follows the following path that includes a hit to lead stage: Target validation (TV) → Assay development → High-throughput screening (HTS) → Hit to lead (H2L) → Lead optimization (LO) → Preclinical development → Clinical development
In drug development, preclinical development (also termed preclinical studies or nonclinical studies) is a stage of research that begins before clinical trials (testing in humans) and during which important feasibility, iterative testing and drug safety data are collected, typically in laboratory animals.
The drug pipeline is also sometimes restricted to a particular drug class or extended to mean the process of discovering drugs (the research and development pipeline). [3] The R&D pipeline involves various phases that can broadly be grouped in 4 stages: discovery, pre-clinical, clinical trials and marketing (or post-approval).
Lyophilized drugs are stored in vials, cartridges, dual chamber syringes, and prefilled mixing systems. Lyophilization, or freeze drying, is a process that removes water from a liquid drug creating a solid powder, or cake. The lyophilized product is stable for extended periods of time and could allow storage at higher temperatures.
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