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Pharm II - Week 10
Reproductive Drugs Part 2
| Question | Answer |
|---|---|
| True or false: androgens decline in 40s and only 1/2 amount exists by the time a man is 80 | True |
| Primary androgen is ____ and has the following roles: | Testosterone. Male sex characteristics, female libido/clitoris, increase skeletal muscle, synthesis of erythropoietin |
| Indication for Androgen: | 1) Male hypogonadism (low T), 2) muscle wasting (AIDs), 3) female poor libido |
| Male hypogonadism has following issues | Congenital, aging, ED, want to increase libido, looks, volume of ejaculate |
| Prototype for androgens: list patch and gel names | Androderm, Androgel |
| Androgen administration: route, duration, frequency | IM, long-acting, q2-4wk. Patch can be on upper arm, back, butt, abdm and done daily |
| ADE of androgen: | Rash |
| Androgel advantages: | Use daily, doesn't fall off, more consistent levels of hormone well absorbed |
| Androgel can be applid to upper arm, shoulders, abdm, but not __ | Scrotum |
| With androgel, you should wait __ before showering and it can be transferred to others even after dried | 5-6 hrs |
| Androgen AE include: | Virilization, premature epiphyseal closure (teens), HEPATOTOXICITY (need SERIAL liver enzyme tests, short term use), worsen lipid panel, worsen/potentiate prostate cancer, edema, gynecomastia |
| Androgen is considered category __, therefore women should __ | X, serial pg test |
| Androgen, when abused can lead to... | Hypogonadism, rage |
| True or false: ED is often associated with chronic illness or its treatment (DMII, HTN, depression) | True |
| __% of men 40-70 experience ED | 50 |
| Treatment for ED includes: | Psychotherapy, surgery (implant), drugs (mostly po) |
| Prototype for PDESIs (enzyme inhibitor): | Sildenafil/Viagra |
| How does Sildenafil/Viagra work? | Inhibit an enzyme to maintain erection. Enhances response of erection but DOES NOT cause one! |
| PDESI: route, onset, half-life, metabolism | PO, high-fat meals delay onset (2 hrs), half life: 4hrs, metabolized heavily in liver |
| True or false: sildenafil does little to change sexual arousal in women | True |
| ADE of PDESIs/Viagra: | Hypotension, Priapism (erection >4'), optic neuropathy, hearing loss |
| DDis/DFIs of viagra/sildenafil: | CONTRAINDICATED WITH NITRATES. Caution with alpha blockers. Avoid grapefruit juice and erythromycin |
| Tadalafil/Cialis has __ duration | 36 hr |
| True or false: Tadalafil/Cialis has same contraindications as Viagra/Sildeanfil | True |
| BPH occurs in __% men by age 60 and __% men by age 85 | 50% by age 60, 90% by age 85 |
| BPH can cause the following s/sx: | Urinary urgency, dysuria, nocturia, straining to void, dribbling, UTI |
| BPH Tx: | Surgery: transurethral resection for severe BPH. Drugs: moderate use. Watchful waiting is minimal |
| _____ is a category of drugs used to Tx BPH | 5-Alpha-Reductase Inhibitors |
| Prototype of 5-Alpha-Reductase inhibitors is: | Finasteride/Proscar |
| How does Finasteride/Proscar work? | Inhibits conversion of testosterone --> DHT. Epithelial cells decrease in size and number. Works best with large prostates |
| True or false: Finasteride/Proscar affects testosterone levels | False. Inhibits conversion without affecting testosterone |
| Finasteride/Proscar must be taken __ (route), and __ (frequency) for life | PO, daily |
| Finasteride/Proscar may decrease risk for __ and decrease ___ | Prostate cancer; prostate-specific antigen |
| ADE of finasteride/proscar is: | decreased libido in 10% and gynecomastia |
| How long does it take for finasteride/Proscar to work? | 6-12 months |
| Finasteride/Proscar can also be known as ___ when used to Tx this condition _____ | Propecia; Tx male pattern baldness |
| Propecia takes __ to work | 3 months |
| True or false: if one stops taking propecia, will lose the hair that grew in 12 months | True |