The phrase "a more efficacious alternative" is correct and usable in written English.
It can be used when discussing options or solutions that are more effective or capable of producing a desired result compared to others.
Example: "After reviewing the available options, we found that a more efficacious alternative would be to implement a new training program for employees."
Alternatives: "a more effective option" or "a better solution".
As a more efficacious alternative, we propose that IGFBPs can be developed as IGF-antagonist based cancer therapeutics serving to block the IGF-1R, mediated tumour progression.
Of importance, the trial will not only indicate whether PFT is a more efficacious alternative to CFT, but moderator analyses will indicate whether there are specific patient or family characteristic that are useful in guiding the selection of treatment approach.
Despite of the limitations of this preliminary case study such as the very small sample population and relatively short followup of 9 12 months, our initial results nevertheless suggest that bioengineered RHCIII-MPC implants may potentially be more efficacious alternatives to donor tissues in repairing corneas with severe pathologies.
The collection of the data on available systems and tools, and their critical appraisal for any imperfections or inadequacies, serve towards either improvement or an alternative approach, giving a more efficacious end product.
Therefore, alternative vaccine formulations, adjuvantation and routes of delivery are being investigated to create a more efficacious vaccine that would induce long-lived mucosal and systemic immune responses with broader cross-protection.
So the spectrum auction is more the government helping with the re-allocation of spectrum to a more efficacious part of the economy.
It was considered by many eminent medical professionals to be a more efficacious antimalarial than quinine.
Despite a worldwide effort for more effective Mtb chemotherapies and a more efficacious TB vaccine remain illusive [3].
These results argue against our initial hypothesis that a neuronal self-antigen may provide a more efficacious neuroprotective vaccine.
