be efficacious

See: prevail
References in classic literature ?
All seem wise, and I do not suffer myself to doubt that any one of them would be efficacious.
Accordingly, under presence of seeking food, and such simples as might be efficacious in his malady, they deserted him and hastened forward upon the trail.
65g of xylitol per serving is considered to be efficacious in caries prevention.
It is clear that tightening up on enforcement would be efficacious in detecting and deterring future offenses.
The Natural Dentist has developed a line of all natural products scientifically proven to be efficacious in improving oral health.
According to the abstract presented at the AACR conference, WP1066 suppressed tumor growth of a serious cancer known as squamous cell carcinoma, indicating that a drug from the Degrasyn class may be efficacious in the treatment of patients with squamous cell carcinoma of the head and neck (HNSCC).
By selectively binding to CCR9, a chemokine receptor restricted to inflammatory cells found in the large and small intestine and involved in the homing of these cells to the digestive tract, Traficet-EN has been shown to be efficacious in models of Crohn's disease and ulcerative colitis (the two principal forms of IBD).
the product must be efficacious and meet performance standards.
Already, a number of these products have been shown to be efficacious in clinical trials.
Enanta's cyclosporine analogs are proven to be efficacious in psoriasis-related animal models when given systemically but exhibit significantly lower toxicity.
To date, more than 150 patients have been treated, and the drug has been found to be efficacious and well-tolerated.
These formal studies indicated no gross toxicity at concentrations expected to be efficacious against tumors in humans.