systematic[sb] AND (orlistat) followed by hand searches
filter: systematic MeSH Terms: orlistat
doi: 10.1016/j.jash.2017.12.002. showed orlistat at any dose decreased BP by about 1 point on both systolic and diastolic in overweight or obese men
60 mg 3 x per day in a study (https://doi.org/10.1345/aph.1H234) of BMI 25 – 28 people was found to be marginally beneficial after 4 months over placebo; but had over 20% drop out rate, however imputed intention to treat analysis was done; study benefits could be halved to be conservative because of this. The study group showed 1kg extra total weight loss over placebo group, hence 0.5kg could be assumed to compensate for the bias.
In a MA of obese people it shows that there seems to be a lower total weight loss in non obese people versus obese people (BMI > 28 showing 1.5 – 4 kg total weight loss at 6 months versus above study of non-obese people showing only 0.5-1kg range) (https://www.ncbi.nlm.nih.gov/pubmed/22288431)
Relative reduction in total fat mass is likely roughly carried across broad baseline fat levels; so 20% body fat may be reduced by 2% if provides a 10% reduction in total fat mass, but 10% body fat by only 1% (20one opinion).
Does not cause pure fat loss (https://www.ncbi.nlm.nih.gov/pubmed/21720429), and does not shift type of weight loss towards fat loss, weight loss is 75% fat, 25% non fat, same in placebo and intervention groups; just causes less calories to be lost; however, combining this with resistance exercise and high protein dietary intake may shift this further towards fat loss (as previously discussed in this report).
Over 4 months: 20% chance of oily stool, 15% urgent need to pass stool, 10% spotting oil from anal canal, 10% chance of expelling stool simultaneously with gas; a quarter of people will have these symptoms more than once in 4 months (https://doi.org/10.1345/aph.1H234).
3% of people stop taking orlistat altogether because of side effects (https://doi.org/10.1111/j.1467-789X.2009.00581.x).
Requires to take 3 pills every day indefinitely plus vitamin pills, plus monitor vitamin status.
Fat soluble vitamin deficiencies: may induce deficiencies of vitamins A, D, E, K (https://www.ncbi.nlm.nih.gov/pubmed/12126214)