Complex sentence: The editorial noted that contract research organizations had, by 2000, received 60% of the grants from pharmaceutical companies in the U.S. Researchers may be restricted from contributing to the trial design, accessing the raw data, and interpreting the results.
Split into simpler sentences: The editorial noted that contract research organizations had, by 2000, received 60% of the grants from pharmaceutical companies. In the U.S. researchers may be restricted from contributing to the trial design, accessing the raw data, and interpreting the results.