Active_comparator: Group I (locally advanced PC patients):

Including three subset groups (A, B and C)~•Group I- A(control group): Fifteen hypertensive patients treated with antihypertensive agent except ARBS and ACEI with locally advanced PC on Folfirinox.~• Group I -B (are not treated with ARBs or ACEI prior PC diagnosis): Fifteen hypertensive patients with locally advanced PC and are not treated with ARBs or ACEI before PC diagnosis on the same chemotherapy treatment protocol as the control group in addition to losartan 50 mg once daily for one year after PC diagnosis.~• Group I-C (losartan was used for treatment of hypertension before and after PC diagnosis):Fifteen hypertensive patients with locally advanced PC and were treated with losartan one year before PC diagnosis on the same chemotherapy treatment protocol as the control group in addition to losartan 50 mg once daily for one year after PC diagnosis and the dose will be titrated up according to the patient's response.

Active_comparator: Group II (metastatic PC patients):

including three subset groups (A, B and C):~• Group II-A (control group): Fifteen hypertensive patients treated with antihypertensive agent except ARBS and ACEI with metastatic PC on Gemcitabine hydrochloride 1 gm. vial taken as 1000 mg/m2 IV over 30 min weekly for 7 weeks.~• Group II-B (are not treated with ARBs or ACEI prior diagnosis): Fifteen hypertensive patients with metastatic PC and are not treated with ARBs or ACEI before PC diagnosis on the same chemotherapy treatment protocol as the control group in addition to Losartan 50 mg once daily for one year after PC diagnosis.~• Group II-C (losartan was used for treatment of hypertension before and after PC diagnosis): Fifteen hypertensive patients with metastatic PC and were treated with losartan one year before PC diagnosis and on the same chemotherapy treatment protocol as the control group in addition to Losartan 50 mg once daily for one year after PC diagnosis