Designr FAQs

Question 1

What is Designr?

Accepted Answer

Designr is an AI-powered Claude Code plugin specifically designed to assist biostatisticians and clinical trialists in the end-to-end design of Phase 3 clinical studies. It utilizes a conversational interface and leverages validated R statistical packages.

Question 2

Can Designr generate reports for my clinical trial designs?

Accepted Answer

Yes, Designr features automated markdown reporting (`design_report`) to generate comprehensive summaries of your design. These reports are suitable for integration into SAP-style documents and cover design overviews, key inputs, and analysis plans.

Question 3

What types of clinical trial designs can Designr facilitate?

Accepted Answer

Designr currently supports fixed-sample and group-sequential designs for binary, continuous, and time-to-event (PH log-rank, MaxCombo, RMST, milestone) endpoints. Roadmap features include adaptive, MAMS, and Bayesian designs.

Question 4

How does Designr ensure the reliability and validity of its designs?

Accepted Answer

Designr integrates 13 validated R statistical tools and offers Monte Carlo verification to cross-check design properties like power and Type I error. Its development is also evaluated against a comprehensive 176-case benchmark corpus.

Question 5

What does 'conversational interface in Claude Code' mean for users?

Accepted Answer

This means users can interact with Designr within the Claude Code environment using natural language prompts. The AI agent translates your design brief into the appropriate sequence of tool calls and interprets results in clinical-trial terms, streamlining the design process.

Designr

Designr

Key Features

Use Cases

Key Features

Use Cases