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JapanHealthcare and life sciences2024 – ongoing

Chugai Pharmaceutical

Chugai AI Assistant for employee work and clinical-trial inquiry responses

Chugai's AI assistant reduced clinical-trial inquiry drafting work by about 57%, AWS reported

WorkingVendor case studyVendor ↗

Problem

Staff spent substantial time finding similar questions and preparing responses to inquiries following clinical-trial notifications.

Approach

Chugai and AWS Professional Services built an assistant on Amazon Bedrock. It offered multiple language models through one interface and used retrieval-augmented generation with internal data to draft inquiry responses.

Results

About 57%reduction in clinical-trial inquiry response-drafting work, according to AWSVendor case study[1]
6,000assistant users by October 2024, according to AWSVendor case study[1]

Takeaway

The reported reduction applied to inquiry-response drafting, rather than all work performed by assistant users.

Categories

Innovation type
Process innovation
AI technology
Generative AI
Evidence
Vendor case study

Sources

Source summaries

[1]Amazon Web Services2024

AWS described the assistant and its internal-data retrieval functions. It reported 6,000 users by October 2024 and about 57% less work in a clinical-trial inquiry drafting use case.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026
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