The phrase "add to current knowledge" is correct and usable in written English.
You can use it when discussing contributions to a field of study or enhancing understanding in a particular area.
Example: "The research aims to add to current knowledge about climate change and its effects on biodiversity."
Alternatives: "contribute to existing knowledge" or "enhance current understanding."
Our results add to current knowledge on the number and precise localization of multiple tonotopic maps in human auditory cortex.
These findings add to current knowledge on metaphorical cues in package design and the package's presentation context and offer insights into the underlying mechanism.
Findings add to current knowledge about barriers to change and implementation of multiple guideline recommendations.
Any association between visual impairment and SAD will add to current knowledge of the role of retinal light exposure in the development of SAD.
We add to current knowledge on preservation conditions in urine subfractions as they will be applied across large multicenter clinical studies.
Findings from this study add to current knowledge on screening patterns of risky health behaviours and multiple risk behaviours in primary care.
After your first reading, write one or two paragraphs summarizing what the manuscript is about and how it adds to current knowledge in your field.
This study also adds to current knowledge regarding the association of MTHFR among postmenopausal women.
The study adds to current knowledge about comparative cost-effectiveness of different treatment options in the population of sexually abused children and adolescents.
Our study has several interesting findings adding to current knowledge on the relation between LV geometry and systolic myocardial function in patients with AS.
Our report adds to current knowledge of TRMT10A related neurodevelopmental disorders and demonstrates imaging findings suggestive of delayed or abnormal myelination of the white matter in this disorder.
