The phrase "a continuing study" is correct and usable in written English.
It can be used to describe an ongoing research project or investigation that is still in progress.
Example: "The researchers are conducting a continuing study on the effects of climate change on local ecosystems."
Alternatives: "an ongoing study" or "a persistent study".
The analysis was based on data from 1,946 veterans participating in a continuing study.
A continuing study of brown trout -- How long do they live?
That is an early conclusion of a continuing study on canes sponsored by the American Association of Retired Persons.
The report, published online on Oct. 19 in the journal Environmental Health Perspectives, is part of a continuing study comparing autistic and nonautistic children in California.
The Galápagos discovery came indirectly from a continuing study in which hundreds of iguanas on two small, similar islands were marked in 1987 and monitored ever since.
And the company also said that a drug safety monitoring committee overseeing a continuing study of the drug's cardiovascular risks had not raised any red flags.
A continuing study of 40 Head Start programs across the country, begun in 1997, has found that the typical graduate entered kindergarten knowing no more than two letters.
The results are preliminary ones obtained in a continuing study aimed at constructing a shape that may yield a lower interaction noise.
To better understand the early puberty phenomenon, we, together with colleagues, are conducting a continuing study of more than 1,200 girls tracked since 2005.
According to a continuing study by the Families and Work Institute, only a third of employed millennial men think that couples should take on traditional gender roles.
3. Make a continuing study of morale factors among students, laborers, army officers, enlisted men, government officials, farm owners, and business and professional men...
