Lecture 4: Obesity Part 2 Flashcards
What are some of the common behavioral interventions for obesity?
Setting realistic goals using body weight %.
Self-monitoring
Stimulus control
Slowing eating style
Nutritional education
Meal planning
Stress reduction and problem solving
What is the standard minimum for physical activity?
30 minutes a day, 5 days a week.
What is the ultimate goal of a diet as obesity intervention?
Reducing caloric intake.
What should we remember to keep in mind while dieting?
Ensuring adequate nutrition still.
Consider food volume relative to its density.
What kind of foods in general are calorie dense?
Processed foods.
What is the usual kcal/day goal for a diet?
1000-1500.
What is considered a low-cal diet?
200-800 kcal/day.
What is the most important consideration when doing obesity interventions?
Patient compliance!
No point in doing all this if the patient is not willing.
Is there any advantage to a specific diet?
No.
Low-carb may have a fast initial weight loss.
What are the general guidelines for prescribing an anti-obesity medication?
Adult use only EXCEPT FOR orlistats/xenical (12+).
BMI >= 30, >=27 if 1+ comorbidity present.
Most are 12 weeks or less. Efficacy is measured at 12 weeks.
Cost
What is the MOA of phentermine/Adipex?
Sympathomimetic that stimulates NE release.
Schedule 4 medication, short-term use only. (12 wk)
Historically, it was the MOST prescribed rx for weight loss in the US.
Suppresses appetite/causing early satiety.
What SE come from phentermine/adipex?
HTN
Tachycardia
Insomnia
Agitation
Palpitations
Constipation
Dry mouth
AKA NE release SE.
What are the main CIs to phentermine/adipex?
Allergy
CVD
Hypothyroidism
Agitated State
Substance use hx
What are the DDI for phentermine/adipex?
Psych meds
AntiHTNs
Antihistamines
Insomnia meds
What is the efficacy in terms of weight loss for phentermine/adipex?
7-8kg
What is the MOA of orlistat/xenical?
Inhibition of intestinal lipase, blocking FAT absorption.
Causes dose-dependent increases in fecal fat excretion.
Blocks 25-30% of the calories absorbed from fat.
Also helps BP and lipid profile as a result.
What are the SE of orlistat/xenical?
Borborygmi
Cramps
Flatus
Oily spotting
Fecal incontinence.
Decreased absorption of the fat-soluble vitamins.
What are the rare SE of orlistat/xenical?
Liver injury
Calcium oxalate stones
AKI
What are the CI of orlistat/xenical?
Allergy
Pregnancy
Cholelithiasis
Hx of kidney stones
Chronic malabsorption syndrome
What are the DDI of orlistat/xenical?
Multivitamins
Fat-soluble vitamins
Warfarin
Levothyroxine
What is the efficacy in terms of weight loss for Orlistat/xenical?
5-10kg
What is the removed drug for obesity from the US market?
Lorcaserin/Belviq
What is the efficacy in terms of weight loss for Orlistat/xenical?
5-10kg
What is the MOA of liraglutide/saxenda and semaglutide/wegovy?
GLP-1 agonists.
Originally made for DM pts.
Increased insulin release.
Decreased glucagon release.
Slows gastric emptying.
How are liraglutide and semaglutide administered?
Injection.
Lira is daily.
Sema is weekly.
What are the primary SE of liraglutide and semaglutide?
N/V
Diarrhea
Hypoglycemia
Anorexia