Immunosuppressant Drugs Flashcards

1
Q

What is the overall use of immunosuppressant drugs?

A

to suppress the activation of the immune system

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2
Q

Name four conditions you can manage with immunosuppressants?

A

rheumatoid/arthiritic disorders, organ rejection, autoimmune disorders, severe IBD

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3
Q

Name the four classes of immunosuppressive drugs

A

glucocorticoids, azathioprine and mycophenolate mofetil, disease modifying antirheumatic drugs, biologics

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4
Q

Where are glucocorticoids secreted in the body?

A

middle layer of the adrenal gland

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5
Q

What are some clinical uses of glucocorticoids?

A

asthma, allergies, eczema, hypersensitivity states, autoimmune diseases, suppression of organ rejection

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6
Q

Name two common oral glucocorticoids

A

prednisolone and betamethasone

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7
Q

What is the suffix for glucocorticoids?

A

-one

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8
Q

Do oral or injectable glucocorticoids have a longer duration of action?

A

injectable

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9
Q

Which part of the immune system do glucocorticoids suppress?

A

IL-2 transcription which prevents proliferation and activation of T-cells

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10
Q

What does DMARDs stand for?s

A

Disease Modifying Anti Rheumatic Drugs

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11
Q

Which part of the immune system to DMARDs suppress?

A

prevent the activation of the cells that erode cartilage and bone

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12
Q

What are some clinical uses for methotrexate (DMARD)?

A

rheumatoid arthritis

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13
Q

Give an example of a DMARD?

A

methotrexate

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14
Q

Which part of the immune system do Azathioprine and Mycophenolate mofetil suppress?

A

purine synthesis which inhibits DNA synthesis which inhibits cell proliferation

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15
Q

Is Mycophenolate mofetil a prodrug or a full drug?

A

prodrug

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16
Q

What are some clinical uses of azathioprine and mycophenolate mofetil?

A

prevent organ rejection, rheumatoid arthritis, autoimmune disorders

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17
Q

What are biologics?

A

active pharmaceutical ingredients that may be living identities

18
Q

Give some examples of biologics

A

vaccines, blood, blood components, gene therapy

19
Q

Are biologics or synthetic small molecules larger?

20
Q

Are biologics available for oral administration?

A

no, injectable only

21
Q

What are the targets for biologics?

A

extracellular targets

22
Q

Can all biologic cross a cell membrane?

A

no most are too big

23
Q

Is the precise structure of all biologics the same?

A

no, it depends on the cell/organism used for production

24
Q

What are the aims of biologics therapy?

A

replace an abnormal or deficient protein, alter an existing biological process, provide a new function

25
What are some examples of ways biologics can replace an abnormal or deficient protein?
insulin therapy
26
What are some examples of ways biologics can enhance or inhibit an existing biological process?
rheumatoid arthritis
27
What are some types of biologics?
monoclonal antibodies, proteins, viral vectors, stem cell therapy
28
What are monoclonal antibodies?
proteins used by the immune system to identify and neutralise foreign proteins and organisms
29
How can you produce monoclonal antibodies in the lab?
clone individual cells to produce identical antibodies
30
What are the mechanisms of monoclonal antibody action?
ligand blockade, receptor blockade, receptor downregulation, signalling induction, cell depletion, payload delivery
31
How do monoclonal antibodies cause ligand blockade?
prevent the ligand interacting with the receptor
32
How do monoclonal antibodies cause receptor blockade?
don't activate the receptor, just prevent the ligand binding
33
How do monoclonal antibodies cause receptor downregulation?
bind to the receptors on the cell surface
34
How do monoclonal antibodies cause signalling induction?
they can trigger intracellular signalling upon binding
35
How can monoclonal antibodies cause cell depletion?
start the cell death process
36
How can monoclonal antibodies help with payload delivery?
they can deliver other drugs into the body
37
What is an important cytokine in arthritis?
TNF alpha
38
How do anti-TNF monoclonal antibodies work?
will recognise and bind to TNF alpha which prevents TNF alpha from binding to its receptor. This inhibits gene transcription and therefore inhibits cell proliferation
39
What can anti-TNF monoclonal antibodies be used to treat?
rheumatoid arthritis
40
What is the suffix for monoclonal antibodies?
-mab
41
Give the name of the anti-TNF monoclonal antibody
adalimumab