PMOC DRUGS DEVELOPMENT PROCESS AND PHASE 1 AND 2 Flashcards

(82 cards)

1
Q

including a clinical condition and treated with the test drug

A

In vivo

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2
Q

drug activity is tested on isolated tissues or cells

A

In vitro

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3
Q

compound showing a desired pharmacological property which can be used to initiate a medicinal chemistry project

A

Lead compound

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4
Q

the science of the properties of the drugs and its effects in the body

A

Pharmacology

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5
Q

the study of the interaction of drugs with cells

A

Pharmacodynamics

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6
Q

the handling of a drug within the body, it includes the ADME processes

A

Pharmacokinetics

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7
Q

in vitro and in vivo testing , determination of LD 50

A

Toxicity testing

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8
Q

the general area of study concerned with the

formulation, manufacturing, stability and effectiveness of a pharmaceutical dosage form

A

Pharmaceutics

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9
Q

Genotoxicity screening is performed, as well as investigations on drug absorption and metabolism, the toxicity of the drug’s metabolites, and the speed with which the drug and its metabolites are excreted from the body.

A

Pre clinical studies

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10
Q

Filed before drug may be given to human (clinical trials)

A

IND

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11
Q

submitted for review and approval after the
completion of the clinical trials and requirements have
been met.

A

NDA

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12
Q

plays a central role in the elimination of drugs and other foreign compounds (xenobiotics) from the body

A

Metabolism / Biotransformation

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13
Q

an essential tool for
pharmacists in their role of
selecting and monitoring Pare appropriate drug therapy for nt their patients

A

Metabolism / Biotransformation

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14
Q

main site of metabolism and detoxification of

endo/exogenous compounds

A

Liver

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15
Q

– Metabolism before reaching systemic circulation – Limit the BA of orally administered drugs

A

First-Pass Effect

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16
Q

– Produceamorewater-
soluble compound
– Produce a molecule that can undergo subsequent
phase II reactions

A

Phase 1

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17
Q

Pathways to attach polar,ionizable

endogenous compounds

A
  • Glucuronidation
  • Sulfation
  • Glycine conjugation
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18
Q

Pathways to terminateorattenuate biological activity

A

Methylation

Acetylation

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19
Q

Protectbodyagainst

chemically reactive compounds

A

GSH conjugation

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20
Q

Funtionalization phase polar functional groups are introduced into the molecule or unmasked by:

A

Oxidation, Reduction and Hydrolysis

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21
Q

Pathway for direct functionalization group

A

Aliphatic and Aromatic hydroxylation

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22
Q

modifying or “unmasking” existing functionalities

A

⚫ reduction of ketones and aldehydes to
alcohols
⚫ oxidation of alcohols to acids
⚫ hydrolysis of ester and amides to yield
COOH, NH2 and OH groups; reduction of azo and nitro compounds to give NH2 moieties; oxidative N-, O- And S- dealkylation to give NH2. OH and SH groups).

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23
Q

Most are mediated by microsomes. and may refer to the change in
oxidation state of the substrate.

A

Oxidation

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24
Q

What oxidation reaction is oxygen is incorporated into the drug molecule

A

Hydroxylation

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25
What oxidation reaction causes the loss of part of | the drug molecule
oxidative deamination, dealkylation
26
form in vitro after cell homogenization and fractionation of ER
Microsomes
27
primarily associated with protein synthesis
Rough microsomes
28
contain a class of oxidative enzymes called MFOs
Smooth microsomes
29
MFO reducing agents
1. NADPH (Nicotinamide Adenine Dinucleotide Phosphate) 2. Molecular Oxygen
30
One mole of this enzyme contains one mole each of flavin mononucleotide (FMN) and flavin adenine dinucleotide • (FAD)
Flavoprotein
31
Molecular oxygen is also known as
Monooxygenases
32
Flavoprotient is a electron
transporter
33
It is cytochrome P450 reductase
NADPH
34
Name based on light abs at 450nm when complexed with CO
Cytochrome P450
35
Cytochrome P450 is a electron
Acceptor
36
Refers to the mixed-function oxidation of aromatic compounds (arenes) to their corresponding phenolic metabolites (arenols)
Aromatic hydroxylation
37
Epoxide intermediate aromatic hydroxylation
Arene oxide
38
NIH shift leads to the formation of
arenols
39
Enzyme use for formation of trans dihydrodiols
Epoxide hydrases
40
Major route of metabolism for phenyl containing drugs
Aromatic hydroxylation
41
Hydroxylation occurs at what position
Para
42
The metabolic oxidation of olefinic carbon—carbon double bonds leads to the corresponding epoxide
Oxirane
43
The epoxide is cleaved by epoxide hydrases to form
trans diol
44
more stable than the arene oxides formed from aromatic compounds
Epoxide
45
Toxicity of olefinic compounds may result from their metabolic conversion to chemically reactive epoxide
– Aflatoxin – DES – Stilbene – Vinylchloride
46
These are abnormal heme derivative and N-alkylatedprotoporphyrins
Green pigments
47
Olefinic hydroxylation final metabolite
Transdihydroxylation
48
Diazepam belongs to
2-ketobenzo
49
2-ketobenzo common metabolite
Oxazepam
50
Oxazepam prototype
3 hydroxybenzo
51
Naturally occurinf carcinogenic agent
Aflatoxin
52
Other name for alkene
Olefin
53
Intermediate metabolite formed in drug that undergo N-dealkylation
Carbinolamine
54
N-hydroxylation intermediate metabolite
N-hydroxylamine
55
Parent drug of acetaminophen
Phenacitin
56
Addition of hydrogen or gain electrons
Reductions
57
play an important role in the metabolism of many compounds containing carbonyl, nitro, and azo group
Reduction
58
It is recommended in diabetic patients with renal failure, because of the possible accumulation of its active metabolite hydroxyhexamide
Acetohexamide
59
Azo reduction intermediate metabolite
Hydrazo
60
reaction of water with substrate resulting in breaking scissile carbon- heteroatom bonds)
Hydrolysis
61
mediatedbynonspecific | esterases found in the liver, kidney, and intestine and pseudocholinesterases present in plasma
Ester hydrolysis
62
mediatedbyliver | microsomal amidases. Esterases and deacylases
Amide hydrolysis
63
This is the active metabolite of acetohexamide.
Hydroxyhexamide
64
These are susceptible to either a-carbon hydroxylation or N- | oxidation
Amides
65
endogenous compounds that undergo conjugation reactions
1. Bilirubin 2. Steroids 3. Catecholamines 4. Histamine
66
Glucuronidation enzyme
Glucuronyltransferase
67
Phase 1 aka
Functionalization
68
Phase 2 aka
Conjugation
69
Addition to structure for glucuronidation
Glucuronic acid
70
Glucuronidation co enzyme
UDPGA
71
Chlorampenical in neonates can produce
Gray baby syndrome
72
leadstowater-solubleandinactive metabolite
Sulfation
73
endogenouscompoundsthatunderogo sulfate conjugation
steroids,heparin,chondroitin, catecholamines, and thyroxine
74
Sulfation coenzyme
3'-phosphoadenosine- 5'.phosphosulfate (PAPS).
75
important pathway for detoxifying chemically reactive electrophilic compounds
GSH conjugation
76
The acetyl group used in N- acetylation of xenobiotics is supplied by
N acetyl coA
77
Rapid acetylator more likely to develop
isoniazid-associated hepatitis
78
Rapid acetylator
Eskimos and Asian
79
Terminate pharmacological activity and detoxification
Acetylation
80
play an important role in the biosynthesis of many endogenous compounds
Methylation
81
Methylation 2 compings
epinephrine and melatonin
82
Metylation cozenzyme
S-adenosylmethionine(SAM)