adjuvant therapy

Adjuvants are agents which modify the effect of other agents while having few if any direct effects when given by themselves. In this sense, they are very roughly analogous with chemical catalysts. Types of adjuvants include:Pharmaceutic adjuvantImmunologic adjuvantAgricultural spray adjuvantAdjuvant chemotherapyAdjuvants for dermatalogical products, including cosmetics and toiletries
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Adjuvant therapy A treatment done when there is no evidence of residual cancer in order to aid the primary treatment. [more]Adjuvant therapy - Community and Resources

Treatment given in addition to the primary treatment.

[AD-joo-vant]
Treatment given after the primary treatment to increase the chances of a cure. Adjuvant therapy may include chemotherapy, radiation therapy, hormone therapy, or biological therapy.