Preclinical Research
Also known as: Preclinical Studies · Non-Clinical Safety Evaluation
Definition
Preclinical research (also known as preclinical studies) is the stage of research that takes place before clinical trials in humans, involving laboratory experiments and animal testing to assess the safety and bioactivity of a candidate drug or natural product. In the development of Philippine herbal medicines and dietary supplements, preclinical research is the critical step for establishing baseline toxicity and pharmacological efficacy. (Wikipedia)
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | Preclinical development |
| Wikidata | Q7239921 |
| DBpedia | Preclinical_development |
| ProductOntology | N/A |
| Wiktionary | preclinical |
| Library of Congress Subject Headings (LCSH) | Drugs — Testing |
| MeSH | N/A |
| NCBI Taxonomy | N/A |
| AGROVOC | N/A |
| Google Scholar | preclinical research in vitro in vivo safety pharmacology toxicity |
| ConceptNet | N/A |
| OpenCyc | N/A |
Also Known As
- Preclinical Studies
- Non-Clinical Safety Evaluation
Examples and Analogies
In Vitro Assay: Testing mangosteen xanthones on lab cell cultures to observe anti-inflammatory pathway responses.
In Vivo Toxicity Testing: Administering plant extracts to laboratory mice to determine the safe dosage range.
Usage Scenarios
1. Testing a New Herbal Extract
A university laboratory runs cell-line assays on a local plant to see if it inhibits bacterial growth.
2. Preparing FDA Application Data
A pharmaceutical developer compiles animal safety and toxicology reports to support an investigational new product registration.
Strategies
- Adhere strictly to Good Laboratory Practice (GLP) standards to ensure research data is reproducible and globally acceptable.
- Use validated in vitro models first to reduce the need for animal testing phases.
Security and Safety Measures
- Secure approval from the Institutional Animal Care and Use Committee (IACUC) before initiating animal studies.
- Ensure biosafety containment protocols are followed when working with cell lines or pathogens.
Historical Context
The formal requirement for preclinical safety evaluations was codified in the mid-20th century as drug safety laws tightened. In the Philippines, the Department of Science and Technology (DOST) and the National Institutes of Health (NIH) have funded systematic preclinical profiling of local medicinal flora since the 1980s.
Challenges and Controversies
Translational Gap
Efficacy observed in lab cell cultures or animal models often fails to replicate in human clinical trials.
High Research Costs
Maintaining certified laboratory facilities and animal centers requires sustained capital investment.