<prompt> What is true about thalidomideIt exes antitumour activity in some solid malignant tumoursIt exes antileprotic actionIt ameliorates cancer associated cachexiaAll of the above  <response>: Thalidomide It is reintroduced as immunomodulator. uses:- 1Angiogenesis inhibitor antitumour activity 2anxiolytic 3antiemetic 4adjuvant analgesicantipyretic propey 5 improves cancer associated cachexia 6 used in erythema nodosum leprosum 7 multiple myeloma Mech of action:- It acts by suppressing TNFa and by modulating IL-2. contraindication:- In Pregnancy due to phocomeliaseal like limbs. Ref:- kd tripathi; pg num:-877 