The phrase "achieves efficacy" is correct and usable in written English.
It can be used in contexts where you want to express that something is effective or produces the desired result.
Example: "The new marketing strategy achieves efficacy in reaching our target audience more effectively."
Alternatives: "demonstrates effectiveness" or "attains effectiveness."
There is evidence that etanercept achieves efficacy within 2 to 4 weeks of starting treatment (Leonardi et al. 2003).
Results of this study indicate that capecitabine achieves efficacy in a similar range to that of paclitaxel, and is well tolerated as treatment for metastatic breast cancer failing anthracycline therapy, while offering the advantages of oral administration.
The SILEN-C3 trial results show that a 12-week treatment duration of faldaprevir at 120 mg QD on a background of PegIFN/RBV achieves efficacy similar to that of 24 weeks of faldaprevir therapy for treatment-naive patients infected with HCV GT-1.
A strategy which achieves efficacies of 60% for sanitary burial, case isolation, and contact tracing combined could reduce the number of daily Ebola cases to 7 (2–13) by December 1 and to 0 (0–3) by March 15 in Liberia (Fig. 3).
Results: The trial was stopped after the planned interim analysis for achieving efficacy endpoints and owing to safety concerns.
Therefore, considerable effort has been put into fine-tuning the properties of antibodies in attempts to achieve efficacy in larger patient populations.
Unless we consider a so-called pro-drug, which requires metabolic activation for achieving efficacy, an otherwise unstable compound usually undergoes attrition during the drug development.
Therapeutics that antagonize the binding of ActRIIB ligands are in clinical development, but concerns exist about achieving efficacy without off-target effects.
The phosphorylated proteins analyzed here represent targets of kinases that should likely be inhibited to achieve efficacy.
And how to achieve efficacy with less rebound possibility?
Furthermore, new monitoring devices are normally introduced into clinical practice without the use of proven protocols to achieve efficacy.
