proof of efficacy

USAGE SUMMARY

The phrase "proof of efficacy" is correct and usable in written English.
It is typically used in contexts related to research, medicine, or product effectiveness to indicate evidence that demonstrates the effectiveness of a treatment or intervention. Example: "The clinical trial provided compelling proof of efficacy for the new medication in treating the disease."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

To be fair to all involved, it might not be a bad idea to raise the bar for scientific proof of efficacy and safety for not only energy drinks but also herbs and supplements.

Huffington Post

The drug they wanted had to be easy to take, relatively cheap, easily mass-produced and with some proof of efficacy against Ebola.

The Guardian

In 1962, the food and drug act was overhauled: safety testing was made more rigorous, and proof of efficacy was also required for the first time.

The New York Times - Science

So how do you get it through a trial that requires proof of efficacy — especially if you don't yet know what the right keys for the two remaining locks are?

The New Yorker

"We don't have any proof of efficacy," said the lead author, Dr. Bruno Vellas, a professor of medicine at the University of Toulouse.

The New York Times

The company issued a news release on July 25 proclaiming that the vaccine had "demonstrated proof of efficacy" in the trial, with details to be published in a medical journal.

The New York Times - Health

"We set out to look for a signal, not formal proof of efficacy".

Science Magazine

Overall, the Cochrane review concludes that the drug lacks proof of efficacy [15].

The Journal of Headache and Pain

Thus, in contrast to synthetic drugs, each herbal compound needs independent RCT's for proof of efficacy.

Clinical Phytoscience

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

As a proof-of-efficacy, Rec2 serotype was used to deliver Cre recombinase to adipose tissues of insulin receptor floxed animals.

Molecular Therapy - Methods & Clinical Development

Unlike myriad dietary regimens with limited or inconsistent proof-of-efficacy, a ketogenic diet offers recognized and established clinical benefits [13].

Plosone

Expert writing Tips

Best practice

Clearly distinguish between 'evidence of efficacy' and "proof of efficacy"; the latter implies a higher standard of certainty and rigorous testing.

Common error

Avoid using "proof of efficacy" when only preliminary data or anecdotal evidence is available. Prematurely claiming efficacy can mislead readers and damage credibility.

Linguistic Context

The phrase "proof of efficacy" functions as a noun phrase typically serving as the subject or object of a sentence. It refers to the demonstration or evidence that something, such as a treatment or intervention, is effective or produces the desired result. As Ludwig AI pointed out, the phrase is correct.

Expression frequency: Very common

Frequent in

Science

65%

News & Media

20%

Formal & Business

15%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "proof of efficacy" is a commonly used and grammatically correct term, primarily found in scientific and medical contexts to denote solid evidence that a treatment or intervention is effective. As seen in Ludwig's examples, its function is to assert or demonstrate the effectiveness of something, typically in a formal or professional setting. When using this phrase, remember to provide quantifiable data and distinguish it from "evidence of efficacy", which implies a lower standard of certainty. Some alternatives include "demonstrated efficacy" and "confirmed effectiveness". Ludwig AI confirms the proper usage of this phrase.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

evidence of effectiveness

Focuses on the 'evidence' aspect rather than a definitive 'proof'.

demonstrated efficacy

Highlights that the efficacy has been actively shown or displayed.

confirmed effectiveness

Emphasizes that the effectiveness has been verified or validated.

validation of efficacy

Refers to the process of establishing the efficacy's soundness.

substantiated effectiveness

Indicates that the effectiveness is supported by strong evidence.

efficacy demonstration

Shifts the focus to the act of demonstrating efficacy.

verification of effectiveness

Emphasizes the process of confirming the effectiveness.

efficacy confirmation

Focuses on the act of confirming efficacy.

clinical validation

Specifically highlights validation within a clinical context.

positive results

A general term indicating favorable outcomes, lacking the scientific rigor of "proof of efficacy".

FAQs

How is "proof of efficacy" typically established in clinical trials?

In clinical trials, "proof of efficacy" is generally established through rigorous, controlled studies comparing the treatment group to a placebo or standard treatment. Statistical significance in primary endpoints is essential to demonstrate that the treatment's effects are not due to chance.

What's the difference between "proof of efficacy" and "evidence of efficacy"?

"Proof of efficacy" suggests a higher level of certainty, typically supported by robust data from well-designed studies. "Evidence of efficacy", on the other hand, may refer to preliminary or suggestive findings that warrant further investigation.

What are some alternatives to using the phrase "proof of efficacy"?

Depending on the context, you can use alternatives like "demonstrated efficacy", "confirmed effectiveness", or "validated effectiveness". The choice depends on the strength of the evidence and the desired emphasis.

Why is "proof of efficacy" important in the development of new drugs?

"Proof of efficacy" is critical for regulatory approval of new drugs. It demonstrates that the drug has a measurable and beneficial effect on the target condition, justifying its use in patients and ensuring that its benefits outweigh potential risks.