A disease-modifying treatment, disease-modifying drug, or disease-modifying therapy is a treatment that delays or slows the progression of a disease by targeting its underlying cause. They are distinguished from symptomatic treatments that treat the symptoms of a disease but do not address its underlying cause.
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- "Symptomatic Versus Disease-Modifying Therapies for Movement Disorders - Parkinson's and Movement Disorder Foundation". pmdf.org. Retrieved 2022-09-11.