1. Nanotechnology in Drug Discovery- Development and Delivery
Dr. Basavaraj K. Nanjwade
KLE University College of Pharmacy
Belgaum
Cell No:

2. Srinivas College of Pharmacy, Mangalore
Nanotechnology
Nanotechnology breakthrough research in Pharmaceutical & Biopharmaceutical Industry.
Nanotechnology, a field of science and technology that aims to control matter at the atomic and molecular level.
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Srinivas College of Pharmacy, Mangalore

3. Drug Discovery and Development
Validate specific targets
Discover the right molecule (potential drug) to interact with the target chosen
Test the new compound in the lab and clinic for safety and efficacy and
Gain approval and get the new drug into the hand of doctors and patients.
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Srinivas College of Pharmacy, Mangalore

4. Drug Discovery and Development
Success requires immense resources
The best scientist minds, highly sophisticated technology and complex project management.
It is also takes persistence and sometimes luck.
Ultimately the process of drug discovery brings hope and relief to millions of patients
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Srinivas College of Pharmacy, Mangalore

5. Drug Development and Delivery
The multi-disciplinary field of nanotechnology is making small device, closer and closer to reality.
Manipulate and organize matter on the nano-scale.
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Srinivas College of Pharmacy, Mangalore

6. Drug Development and Delivery
Drug filled nano-capsules, release their biological compounds on contact with cancers only.
Nanotechnology will be applied at all stages of drug development, from formulations for optimal delivery to diagnostic applications in clinical trials.
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Srinivas College of Pharmacy, Mangalore

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Discovery
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Development
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Pre-Discovery
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10. Srinivas College of Pharmacy, Mangalore
Pre-Discovery
Before any potential new medicine can be discovered, scientist work to understand the disease to be treated as well as possible.
Try to understand how the genes are altered, how that affects the proteins.
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Srinivas College of Pharmacy, Mangalore

11. Target Identification
Once have enough understanding of the underlying cause of a disease, pharmaceutical researchers select a “target” for a potential new medicine.
A target is generally a single molecule, such as gene or protein, which is involved in a particular disease.
Early stage in drug discovery it is critical to researchers pick a target that is ‘drugable”.
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Srinivas College of Pharmacy, Mangalore

12. Srinivas College of Pharmacy, Mangalore
Target Validation
After choosing a potential target, scientist must show that it actually is involved in the disease and can be acted upon by a drug.
Target validation is crucial to help scientists avoid research paths that look promising, but ultimately lead to dead ends.
Researchers demonstrate that a particular target is relevant to the disease being studied through complicated experiments in both living and in animal models of disease
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Srinivas College of Pharmacy, Mangalore

13. Drug Discovery and Development Activities
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14. Drug Discovery and Development
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Lead Compound
Nature
De Novo
High-throughput screening
Biotechnology
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Srinivas College of Pharmacy, Mangalore

16. Srinivas College of Pharmacy, Mangalore
Early Safety Tests
Absorbed into the bloodstream
Distributed to the proper site of action in the body
Metabolized efficiently and effectively
Successfully excreted from the body and
Demonstrated to be not toxic
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Srinivas College of Pharmacy, Mangalore

17. Srinivas College of Pharmacy, Mangalore
Lead Optimization
Lead compounds that survive the initial screening are then “optimized” or altered to make them more effective and safer.
Hundreds of different variations or “analogues” of the initial leads are made and tested.
Early stage, researchers begin to think about how the drug will be made, considering formulation, delivery mechanism and large-scale manufacturing
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Srinivas College of Pharmacy, Mangalore

18. Srinivas College of Pharmacy, Mangalore
Preclinical Testing
Scientist carry out in vitro and in vivo test
In vitro test are experiments conducted in the lab, usually carried out in the test tube and beakers (“vitro” is “glass” in Latin)
In vivo studies are those in living cell cultures and animal models (“vivo” is “life” in Latin)
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Srinivas College of Pharmacy, Mangalore

19. Development of IND (Investigational New drug)
IND application contains information in three broad areas:
1.Animal Pharmacology and Toxicology Studies
2.Manufacturing Information of drug including manufacturer, composition, stability and controls
3.Clinical Protocols and Investigator Information
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Srinivas College of Pharmacy, Mangalore

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Phase 1 Clinical Trial
Phase I studies are carried out in healthy volunteers, which are small in number – usually 20 to 100.
The purpose of phase I studies is to mainly determine safety profile.
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Srinivas College of Pharmacy, Mangalore

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Phase 2 Clinical Trial
Phase 2 includes the early controlled clinical studies conducted to obtain some preliminary data on the effectiveness of the drug.
Phase 2 studies are typically well-controlled, closely monitored, and conducted in a relatively small number of patients, usually involving several hundred people
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Srinivas College of Pharmacy, Mangalore

22. Srinivas College of Pharmacy, Mangalore
Phase 3 Clinical Trial
The additional information about effectiveness and safety that is needed to evaluate the overall benefit-risk relationship of the drug.
Phase 3 studies usually include several hundred to several thousand people.
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Srinivas College of Pharmacy, Mangalore

23. Srinivas College of Pharmacy, Mangalore
Manufacturing
Going from small-scale to large-scale manufacturing is a major undertaking.
In many cases, companies must build a new manufacturing facility or reconstruct an old one because the manufacturing process is different from drug to drug.
Each facility must meet strict FDA guidelines for Good Manufacturing Practices (GMP)
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Srinivas College of Pharmacy, Mangalore

24. Ongoing Studies Phase 4 Trial
Phase IV, also known as Post Marketing Surveillance is also carried out once the drug is approved and marketed.
The aim of Phase IV is to find out safety profile in large patient pool across the world and to establish the safety profile of the drug.
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Srinivas College of Pharmacy, Mangalore

25. Srinivas College of Pharmacy, Mangalore
NDA Review Process
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Srinivas College of Pharmacy, Mangalore

26. ANDA/AADA Review Process
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Srinivas College of Pharmacy, Mangalore

27. OTC Drug Monograph Process
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28. Successful Therapy Combines Drug Discovery and Delivery
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Nanotech Components
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30. Nanotechnology Regulatory
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Srinivas College of Pharmacy, Mangalore

31. Nanotechnology Collaboration
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Srinivas College of Pharmacy, Mangalore

32. Srinivas College of Pharmacy, Mangalore
Research Priorities
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Srinivas College of Pharmacy, Mangalore

33. Suggested Topics and Modules
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Srinivas College of Pharmacy, Mangalore

34. Nanoparticles in the context of Biopharmaceuticals
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Srinivas College of Pharmacy, Mangalore

35. Current Nanoparticle Products
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Srinivas College of Pharmacy, Mangalore

36. Current Nanoparticle Products
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Srinivas College of Pharmacy, Mangalore

37. Nanoparticles: As Emulsion
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Srinivas College of Pharmacy, Mangalore

38. Nanoparticles: Reduce Size
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Srinivas College of Pharmacy, Mangalore

39. Nanoparticles: Grow Them
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Srinivas College of Pharmacy, Mangalore

40. Nanoparticles: Emulsion/Diffusion
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Structure
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Srinivas College of Pharmacy, Mangalore

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Release
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Srinivas College of Pharmacy, Mangalore

43. Drug Delivery Carriers
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Srinivas College of Pharmacy, Mangalore

44. Methods of Drug Delivery
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Srinivas College of Pharmacy, Mangalore

45. Drug Delivery System Liposome's Niosomes Ethosomes 19/08/2011
Aquasome
Transfersomes
Dendrimers
Polymeric Nanoparticles
Bilosomes
Carbon Nanotube
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Srinivas College of Pharmacy, Mangalore

46. THANKING YOU E-mail: bknanjwade@yahoo.co.in Cell No: 0091 9742431000
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Srinivas College of Pharmacy, Mangalore