The phrase "a groundbreaking study" is correct and usable in written English.
It can be used to describe research that introduces new ideas, methods, or findings that significantly advance knowledge in a particular field.
Example: "The researchers published a groundbreaking study that changed the way we understand climate change."
Alternatives: "a pioneering study" or "a revolutionary study".
When Dr. Miguel Nicolelis, a neurobiologist at Duke University, decided to release a groundbreaking study in an upstart online journal, his colleagues were flabbergasted.
95% of the entire fresh produce range sold by Asda is already at risk from climate change, according to a groundbreaking study by the supermarket giant.
He headed a group that produced, in 2000, "From Neurons to Neighborhoods," a groundbreaking study from the National Research Council that recommended early intervention for disadvantaged children.
That is the implication of a groundbreaking study from the Health Inequality Project on the impacts of inequality in the United States.
Another asthma expert, Dr. E. Kathryn Miller at the Vanderbilt Children's Hospital in Nashville, said the new finding was "a groundbreaking study of major significance".
Yale University Press recently acknowledged the 20th anniversary of a groundbreaking study of women writers, "The Madwoman in the Attic," by Sandra M. Gilbert and Susan Gubar.
In 2004 there was a groundbreaking study conducted by Dr Hans Geyer, from the Institute of Biochemistry at the German Sport University in Cologne.
According to a groundbreaking study by the Equality of Opportunity Project, Atlantans born poor have the third-lowest chances of becoming rich among America's 50 biggest metropolitan areas.
A groundbreaking study issued earlier this year led the state to overhaul its contracts with the private companies that run the houses.
The work, a groundbreaking study that helped establish the field of medical statistics, showed that the unmarried died from disease "in undue proportion" to their married counterparts.
Responsibility for its success falls on the Pooterish shoulders of Alfred Jones, fisheries scientist, henpecked husband (Mrs Jones is not so much hen as pterodactyl) and author of a groundbreaking study on mussel populations.
