Sentence examples for trials are required from inspiring English sources

The trials are required before the Food and Drug Administration reviews the drug for possible approval.

Hence, large trials are required.

Large-scale trials are required to produce Level 1a evidence.

Larger clinical trials are required to validate these findings.

Further evaluation in the form of randomised trials are required.

Randomized clinical trials are required to support these preliminary findings.

Additional well-designed randomized control trials are required.

Further large-scale prospective clinical trials are required.

Regardless, field pilot trials are required to advance this option to the feasibility stage.

Further well-designed trials are required to confirm our findings and elucidate their clinical relevance.

All sponsored clinical trials are required to routinely report serious adverse events to the manufacturer.