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Examining the Current Use of Artificial Intelligence in Clinical Research

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A commentary recently published in the Singapore Medical Journal examined opportunities for the application of artificial intelligence (AI) in healthcare. The authors reviewed use cases that were presented at the inaugural International Conference on AI in Medicine.1

“The quadruple aims of healthcare are widely recognized as better patient experience, better outcomes, lower costs, and team well-being. Recently, a fifth aim of healthcare has evolved, that of improving health equity, to emphasize the importance of social factors as determinants of health,” the authors wrote. “This is in line with HealthierSG, Singapore’s effort to pivot towards population health. AI has the potential to address the quintuple aims of healthcare by scaling the provision of care through democratization of professional expertise.”1

The authors first highlighted the use of AI in radiology, which they see as the area “best primed” for AI model development. Picture archiving and communication systems that collect data are stored in a standardized Digital Imaging and Communications in Medicine (DICOM) format, providing opportunities for computer vision. According to the authors, of the current 521 FDA-approved Software as a Medical Device AI solutions, more than half (393 in total) are radiology applications, emphasizing the area’s potential for AI intervention.1

“The incremental value from radiology AI solutions for radiologists is probably marginal when compared to its value to non-radiologists, such as clinicians working in primary care, emergency departments or intensive care units,” the authors wrote.1

While AI in radiology has great potential, the authors contend that human intervention is still necessary.1

Additionally, computer vision has successfully been developed for gastrointestinal endoscopy. In particular, AI has been used successfully for polyp detection through AI-assisted colonoscopy. The authors also noted that anatomical landmark identification, monitoring of speed of scope withdrawal, and objective assessment of bowel preparation ensure adequate visualization for quality assurance.1

Looking to the evolving uses of AI in clinical research, the authors first highlighted accelerated protein structure-based drug discovery, which includes utilizing medical record databases. They also highlighted the potential of outcome predictions through determining patient disposition at the emergency department and dynamic modulation of drug intervention allowing for personalized dosing regimens. Finally, the authors noted that recent advances in generative AI and large language models (LLMs) have made them intriguing options in clinical research.1

“These LLMs could accelerate the retrieval of key information from vast amounts of unstructured text data in electronic medical records, increasing clinician productivity,” the authors wrote. “With ambient AI, speech conversion of consultation dialogue to clinical notes facilitates automated information organization. This alleviates administrative demands on clinicians, allowing them to spend quality time with patients.”1

While there is great potential for AI in clinical research, the authors maintain that quality checks of potential AI models must be carefully considered. To accelerate adoption, efficacy of the models, regulatory standards, best practices for safety, and access to accurate data are all things that need to be considered.1

“In summary, AI has vast potential to change the practice of healthcare. This is most imminent in the areas of diagnosis and outcome prediction, which would aid clinical decision-making. More work needs to be done to educate practitioners and patients,” the authors concluded. “The most pressing challenge that we face today is in guiding our local clinical community to appropriately assess, adapt and adopt AI solutions to optimize patient care.”1

1. Tan, Cher Heng FRCR, MBA1,2; Goh, Wilson Wen Bin MSc, PhD2,3,4; So, Jimmy Bok Yan FRCS, MPH5,6,7; Sung, Joseph J Y MD, PhD2,8. Clinical use cases in artificial intelligence: current trends and future opportunities. Singapore Medical Journal 65(3):p 183-185, March 2024. | DOI: 10.4103/singaporemedj.SMJ-2023-193 https://journals.lww.com/smj/fulltext/2024/03000/clinical_use_cases_in_artificial_intelligence_.10.aspx