Dr. Hilal's clinical practice focuses on the treatment of chronic lymphocytic leukemia, various types of lymphoma, and histiocytic neoplasms. He is interested in incorporating various modalities of therapy that help serve individual patient needs, including using novel targeted therapies, bispecific T-cell engagers, and cellular therapy.

He is part of the bone marrow transplant and chimeric antigen receptor (CAR) T-cell therapy programs where he prescribes specialized treatments for patients with lymphoid malignancies.