The Lancet evaluates the clinical use of AI system AMIE
A study published in *The Lancet* examines the experimental medical chatbot AMIE with 98 patients. Doctors said its summaries helped them prepare for 75% of consultations, but larger trials are still needed to confirm its safety and usefulness.
An AI chatbot helped doctors prepare for consultations in 75% of cases, and its differential diagnoses matched the final diagnosis in 90% of instances, according to a study published in The Lancet.
The tool is called AMIE and was developed by researchers at Google and Beth Israel Deaconess Medical Center (BIDMC). It is an experimental system designed to talk with patients, collect their symptoms and suggest possible diagnoses before a medical consultation.
The study took place at a BIDMC primary care clinic. 98 patients used AMIE before attending urgent care visits, while doctors monitored the conversations in real time.
The most important safety finding was that no conversation had to be interrupted based on the criteria defined in advance by the researchers. That does not show that the system is safe for every situation, but it does offer an initial positive signal in a real clinical setting.
What AI contributed to doctors
AMIE generated a summary of each conversation for the clinician to review before seeing the patient. Doctors said those summaries helped them prepare for the consultation in 75% of cases.
They also said the information provided by the system influenced how they approached care in more than half of the consultations. In practice, this could mean arriving at the visit with a clearer picture of the symptoms, the patient's concerns and the issues worth exploring.
The system also produced differential diagnoses, meaning lists of possible causes for the symptoms. Those suggestions matched the doctors' final diagnoses in 90% of instances.
That does not mean AMIE replaced the clinician or got it right on its own for nine out of ten patients. Clinical decisions remained with the doctors, and the matches occurred under the specific conditions of this study.
What this changes for you
If tools like this prove useful in larger studies, they could help you before and during a consultation in several ways:
- Organizing your symptoms and medical history before speaking with the doctor.
- Reducing the time the clinician spends collecting basic information.
- Flagging issues that might be overlooked during a brief consultation.
- Leaving more time to explain treatment options and answer questions.
There are important limits too. The study included only 98 patients and took place at a single clinic, with continuous medical supervision. It still cannot show how AMIE would work with millions of people, in other specialties or with patients who have more complex health problems.
The researchers themselves say that larger clinical trials are needed to evaluate the use of AI aimed directly at patients. The publication marks a milestone for Google as its first paper in The Lancet's flagship journal, but the next step will be to determine whether these results hold outside a controlled study.
The signal worth watching is not whether AI can replace the doctor, but whether it can help every consultation start with better information and more time for human connection. This study points to that possibility, not yet to a definitive answer.