The phrase "a recent study completed" is correct and usable in written English.
It can be used when referring to a study that has been finished recently, often in academic or research contexts.
Example: "According to a recent study completed by the research team, the results indicate a significant improvement in patient outcomes."
Alternatives: "a recent study conducted" or "a recent study published".
For example, a recent study completed for us by Harris Interactive showed that WGU graduates pay for their degrees through increased earnings within two to three years of graduation.
A recent study completed by Eli Lilly 18 looked at the effect of intermittent PTH on distal radial fracture healing.
In addition, metformin did not alter tumor cell proliferation in a recent study completed by Kalinsky et al. [ 39], but patients exhibited reductions in BMI, leptin and cholesterol, indicating systemic effects of metformin.
The control participants were the same as those in "Study on the Social Adaptation of Chinese Children with Down Syndrome", a recent study completed by one of the authors of this study [ 8].
One recent study, completed among a nationally representative sample of 2,314 children, found that on a typical school day, children consumed 527 "empty calories" during a 24-hour period and that eating at home provided the highest mean energy from low-nutrient, energy dense foods (276 kcal at home vs. 174 kcal at school and 78 kcal at other locations) [ 20].
According to a recent study being completed by the U.S. Environmental Protection Agency, development of the Pebble Mine or other large scale mine in this region could be "catastrophic".
In light of these data, a recent study has completed recruitment of IPF patients.
A recent study has completed exome sequencing for an IS cohort and identified rare variants in the fibrillin genes, FBN1 and FBN2, which were associated with curve severity (Buchan et al. 2014).
In a more recent study, complete closure incidence observed in GAM501 (ulcer size: 3.1 ± 1.7 cm) and formulated collagen alone (ulcer size: 2.9 ± 1.1 cm) was not statistically significant [ 8].
In a recent small study completed in England in 2012, 80% of ICU survivors were reported to have shoulder dysfunction over a period of 1 year after ICU discharge [ 23].
Moreover, a recent study reported a completed opossum MHC genome sequence [29], providing a suite of MHC genes from marsupials.
