A new medical therapy, and more particularly certain quinoline compounds which are anti-angiogenic integrin aplha5beta1 inhibitors, for use in the treatment of fibrosis, or a fibrosis-related disease, such as a fibrotic disease affecting the lung, liver, kidney, skin, epidermis, endodermis, muscle, tendon, cartilage, heart, stomach, large intestine, small intestine, colon, uterus, nervous system, testis, adrenal gland, artery, vein, biliary tract, or eye.
