15(R)-Prostaglandin E1 is primarily used in medical and therapeutic applications due to its role in regulating various physiological processes. It is known for its vasodilatory effects, which help in improving blood flow, making it useful in treating conditions like peripheral vascular diseases. Additionally, it has been studied for its potential in managing pulmonary hypertension by reducing pulmonary vascular resistance. Its anti-inflammatory properties also make it a candidate for treating inflammatory disorders. In some cases, it is explored for its protective effects on the gastrointestinal mucosa, aiding in the prevention of ulcers. Research continues to uncover its potential in other areas, such as wound healing and tissue repair.