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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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has proven efficacy

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "has proven efficacy" is correct and usable in written English.
You can use it to express the idea that something has been shown to be effective through research or testing. For example, "The new medication has proven efficacy in treating seasonal allergies."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

Sorafenib has proven efficacy in metastatic renal cell carcinoma (mRCC).

The Flutter Valve (Varioraw SARL, Scandipharm Inc, Birmingham, AL) has proven efficacy in hypersecretive spontaneously ventilated patients.

The oral epidermal growth factor receptor (EGFR) tyrosine-kinase inhibitor erlotinib has proven efficacy and tolerability in second-line NSCLC.

d-cycloserine (DCS) – augmented exposure therapy has proven efficacy in the treatment of acrophobia, social phobia, panic disorder and OCD.

Myocet has proven efficacy in metastatic breast cancer equalto that of doxorubicin and with reduced cardiotoxicity, thus meeting a previously unmetneed in the management of breast cancer.

Science

The Breast

While chemotherapy has proven efficacy when the disease progresses to androgen-independent prostate cancer, patients ultimately succumb to the disease, thus the identification of other active therapies is needed.

Although many bisphosphonates have not been investigated in this setting, zoledronic acid has proven efficacy in delaying the onset and reducing the risk of SREs in patients with bone metastases from lung cancer.

Although abiraterone acetate (abiraterone) has proven efficacy in two randomised phase 3 trials in metastatic castration-resistant prostate cancer (mCRPC), patients who had an Eastern Cooperative Oncology Group (ECOG) performance status (PS) ≥2 were either excluded or under-represented in these trials.

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Human-verified similar examples from authoritative sources

Similar Expressions

3 human-written examples

Citicoline is the only neuroprotectant that has proved efficacy in patients with moderate to severe stroke.

Simvastatin has proved efficacy [ 12- 14, 23] and is the cheapest statin in Sweden.

Currently, intravenous thrombolysis with tissue plasminogen activator (tPA) remains the only therapy that has proved efficacy for acute ischemic stroke.

Expert writing Tips

Best practice

When writing formally, especially in scientific or medical contexts, use "has proven efficacy" to clearly indicate that something's effectiveness has been demonstrated through evidence. This lends credibility to your statement.

Common error

Avoid using "has proven efficacy" when the evidence is preliminary or not conclusive. Instead, use phrases like "shows promise" or "suggests efficacy" to avoid overstating the strength of the evidence.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "has proven efficacy" functions as a descriptive phrase, indicating that a particular treatment, method, or intervention possesses a demonstrated capacity to produce a desired or intended result. Ludwig AI analysis confirms its common usage in conveying effectiveness.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "has proven efficacy" is a grammatically sound and widely used expression, particularly within scientific and medical fields. It serves to communicate that a treatment, method, or intervention has been demonstrated to be effective through evidence-based research. Ludwig AI analysis indicates a formal register, and it's important to reserve its use for situations where there is solid evidence to support the claim of effectiveness. Remember to avoid overstating preliminary findings and instead consider using more tentative language when the evidence is not conclusive. Alternatives such as "has demonstrated effectiveness" or "has been shown to be effective" can also be used depending on the context.

FAQs

What does "has proven efficacy" mean?

The phrase "has proven efficacy" means that something has been shown to be effective through testing, research, or practical application. It indicates that there is evidence to support its effectiveness.

How can I use "has proven efficacy" in a sentence?

You can use "has proven efficacy" to describe treatments, methods, or interventions that have been demonstrated to work. For example: "The new drug "has proven efficacy" in reducing symptoms."

What can I say instead of "has proven efficacy"?

You can use alternatives like "has demonstrated effectiveness", "has shown its efficacy", or "has been shown to be effective" depending on the context.

Is there a difference between "has proven efficacy" and "has proven effective"?

While both phrases convey a similar meaning, "has proven efficacy" is more specific, focusing on the demonstrated capacity to produce a desired effect. "Has proven effective" is more general, indicating that something has shown success in achieving a particular outcome.

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: