National Cancer Institute, Egypt

This phase 2 trial tests whether a combination of two chemotherapy drugs, cyclophosphamide and etoposide, can control advanced head and neck cancer in adults who have already tried standard treatment. 120 participants will receive either the drug combo or methotrexate for 6 month…

This study tests whether pulsed radiofrequency (PRF) — a procedure that uses electrical pulses to calm nerves — can relieve sacroiliac joint pain better than standard steroid injections. Adults aged 18 to 65 with chronic pain lasting at least 6 months and a pain score above 5 out…

This trial compares two ultrasound-guided nerve-block techniques for controlling pain during and after heart surgery. One method uses parasternal and rectus sheath blocks; the other uses an erector spinae plane block. The goal is to see which provides better pain relief and reduc…

This study tests two types of pulsed radiofrequency—a procedure that uses electrical pulses to calm overactive nerves—for treating chronic pain after mastectomy. One targets the stellate ganglion in the neck, the other targets sympathetic ganglia in the upper back. Researchers wi…

This study compares two ultrasound-guided nerve blocks—external oblique intercostal plane block and erector spinae block—for pain relief after liver surgery in cancer patients. Fifty-two adults will receive one of the two blocks, and researchers will measure pain scores and morph…