The phrase "an ongoing controlled trial" is correct and usable in written English.
It can be used in contexts related to research, clinical studies, or experiments that are currently in progress and have specific controls in place.
Example: "The researchers are currently conducting an ongoing controlled trial to evaluate the effectiveness of the new medication."
Alternatives: "a current controlled trial" or "a continuous controlled trial".
These limitations will be addressed through an ongoing controlled clinical trial of the interventions in two diverse settings in India, currently in progress.
The following resources were systematically searched to identify completed, new or ongoing controlled trials of liraglutide or exenatide: Clinical Trials Gov (http://www.clinicaltrials.gov); Entertrials.co.uk; Clinicaltrialssearch.org; Centerwatch; Drugsontrial; WebMD; MEDLINE (from 1960); EMBASE (from 1960); Cochrane Library Central Register of Controlled Trials (CENTRAL).
A protocol for an ongoing randomized controlled trial in primary health care recently reported on the effectiveness of an exercise referral scheme in the short and long term among women from ethnic minority groups [ 43].
Phase II is an ongoing randomised controlled trial that uses a fractional factorial design to determine the primary components of an online intervention for smoking cessation that determine its diffusion through a social network.
The ALIFE@Work project is an ongoing randomized controlled trial, in which a lifestyle intervention program aimed at changing physical activity and nutrition in an overweight working population is being evaluated [ 27].
One of the few examples of a genomic application evaluated by an ongoing randomized controlled trial is the use of breast cancer gene expression profiles to direct chemotherapy to women at high risk of recurrence (40).
This paper describes the Helping Invested Families Improve Veterans Experience Studyy (HI-FIVES), an ongoing randomized controlled trial that is evaluating a skills training program designed to support caregivers of cognitively and/or functionally impaired, community-dwelling Veterans who have been referred to receive additional formal home care services.
Participants in this study comprised a subset of people participating in an ongoing randomised controlled trial of lateral wedges [ 15].
The first sample was an ongoing randomized controlled trial [ 32] investigating a population of patients with LBP from chiropractic primary care clinics in Sweden.
