"potential efficacy" is a valid term that is used in written English.
You could use this term when referring to the likelihood that a treatment, procedure, or medication may have a beneficial effect. For example, you could say, "The potential efficacy of the new drug is currently being studied in clinical trials."
Sinha claimed that Iran, Russia, and the Central Asian republics share similar doubt about the potential efficacy of such efforts.
The ReDo project has drawn up a list of the six most promising drugs based on their low toxicity, plausible mechanism of action and strong evidence of potential efficacy in humans.
The struggle and victory in Bil'in should be studied by all who believe in the importance and potential efficacy of non-violent protest against human rights violations and oppression.
These new research chemicals must have a baseline pilot study that shows a baseline of safety and potential efficacy.
At present only a few drugs have been studied to have potential efficacy against CSCs.
Yet little is known about its potential efficacy as an antitumor agent.
However, the committee's stage one report also said some MSPs remain sceptical about the potential efficacy.
It didn't advance after a procedural vote axed its life, making the argument about its potential efficacy moot — not even something lightweight could make it through Congress.
Nivolumab therapy has potential efficacy for malignant melanoma refractory to existing pharmaceutical therapies, such as in the present case.
Some botanically derived compounds have potential efficacy in the treatment of lung cancer with minimal side effects [6,7].
The newly synthesized nanostructures were evaluated in vitro in order to assess their potential efficacy in AML chemotherapy.
