исследуемый объект(The approach was inductive as the object under study, St Ursula's College, was considered in the light of remarks made in these selected documents – by J.D. Watts and J. Handley Tamerlane)
исследуемый препарат(пример использования: " Simultaneously, these trials also need to demonstrate that the drug under study does not increase the risk of serious side effects" (Nature, 2015) CopperKettle)