ANTI-MALARIALS Flashcards
ANTI-MALARIALS
Malaria is caused by ____ parasite
Plasmodium
ANTI-MALARIALS
Vector of malaria
Female Anopheles Mosquitos
ANTI-MALARIALS
40%, very chronic and reinfection of liver cells
Plasmodium species
P. vivax
ANTI-MALARIALS
50%, Most common, severe, and infects 65% of the patient’s erythrocytes
Plasmodium species
P. falciparum
ANTI-MALARIALS
10%, relapses are common
Plasmodium species
P. malariae
ANTI-MALARIALS
Least common
Plasmodium species
P. ovale
ANTI-MALARIALS
Zoonotic
Plasmodium species
P. knowlesi
CINCHONA ALKALOIDS
Lethal for all Plasmodium schizonts and gametocytes
Quinine Sulfate
CINCHONA ALKALOIDS
Quinidine is primarily indicated for ____.
Cardiac Arrhythmia
CINCHONA ALKALOIDS
More potent and toxic anti-malarial that is a stereoisomer of quinine
Quinidine
CINCHONA ALKALOIDS
For nocturnal leg cramps
Quinine Sulfate
CINCHONA ALKALOIDS
Adverse effect of Quinine Sulfate
Abortifacient
CINCHONA ALKALOIDS
For malaria caused by chloroquine-resistant P. falciparum strains
Quinine Sulfate
CINCHONA ALKALOIDS
Toxic syndrome characterized by tinnitus, headache, nausea, and disturbed vision.
Cinchonism
4-AMINOQUINOLINES
Main antimalarial drug used for both prophylaxis and treatment of malaria
Chloroquine
HCl - Parenteral; PO4 - Oral
4-AMINOQUINOLINES
Highly protein bound anti-malarial
Hydroxychloroquine
Plaquenil
4-AMINOQUINOLINES
Prophylaxis for malaria that is associated with higher incidence of hepatitis and agaranulocytosis
Amodiaquine
4-AMINOQUINOLINES
Drug of choice for malarial suppression
Mefloquine
Lariam
4-AMINOQUINOLINES
Drug of choice for Erythrocytic falciparum malaria except resistant strains
Chloroquine (Aralene)
HCl - Parenteral; PO4 - Oral
8-AMINOQUINOLINES
MOA of primaquine
Disruption of parasites mitochondria
8-AMINOQUINOLINES
Drug of choice for acute attack of Plasmodium vivax that has the narrowest spectrum of activity
Primaquine
4-AMINOQUINOLINES
A schizonticide that exacerbate mental disorders
Mefloquine
Lariam
8-AMINOQUINOLINES
Most effective against malarial parasite in the liver, but not effective against parasites within erythrocytes
Primaquine
POLYCYCLIC
Tetracycline that inhibits the pathogen’s protein synthesis
Doxycycline
POLYCYCLIC
Drug of choice for Leptospira interrogans
Doxycycline
POLYCYCLIC
Prophylaxis for malaria that is containdicated in children and in sunny areas
Doxycycline
POLYCYCLIC
Arrest tissue conduction in cardiac muscles
Halofantrine
POLYCYCLIC
MOA: Inhibits the formation of B hematin by forming a complex with hemin
Lumefantrine
POLYCYCLIC
Most toxic anti-malarial drug
Quinacrine
POLYCYCLIC
Also a sclerosing agent and for varicose veins
Quinacrine
POLYCYCLIC
An acridine dye which can cause yellow coloration
Quinacrine
POLYCYCLIC
Methyl ether derivative of dihydroartemesinin
Artemether
POLYCYCLIC
Hemisuccinate derivative of the active metabolite dihydro-artemisin
Artesunate
FIXED COMBINATION
Prophylaxis and treatment of chloroquine resistant malaria
Sulfadoxine and Pyrimethamine
(Fansidar)
FIXED COMBINATION
MOA of Sulfadoxine and Pyrimethamine:
Inhibition of ____ biosynthesis and ____
- Folic acid
- Dihydrofolate reductase
FIXED COMBINATION
Effective against erythrocytic and exo-erythrocytic plasmodium
Atovaquone + Proguanil
(Malarone)
FIXED COMBINATION
For resistant malaria
Atovaquone + Proguanil
(Malarone)
FIXED COMBINATION
MOA of Atovaquone + Proguanil
(Malarone):
____ inhibition and ____ damage
- Dihydrofolate reductase
- Mitochondria
FIXED COMBINATION
Proguanil is a prodrug of ____.
Cycloguanil
FIXED COMBINATION
Artemether + Lumefantrin interfere with ____ metabolism to disrupt the parasites erythrocytic stage.
Heme
NEW DRUG APPROACHES
Isolated from a Streptomyces fermentation broth in 1980
Fosmidomycin
NEW DRUG APPROACHES
MOA OF Fosmidomycin:
1. ____ pathway inhibition
2. ____ reductase inhibition
- Non-mevalonate
- Glutathione
NEW DRUG APPROACHES
Fosmidomycin inhibits the enzyme ____.
DOXP reductoisomerase
1-deoxy-D-xylulose-5-phosphate