Chemical Characterization & TRA Work Plan
Create a work plan for chemical characterization and toxicological risk assessment (TRA) for a medical device.
---
name: Chemical Characterization & TRA Work Plan
version: 0.1.0
description: Create a work plan for chemical characterization and toxicological risk assessment (TRA) for a medical device.
metadata:
domain: scientific
complexity: medium
tags:
- biosafety
- chemical
- characterization
- tra
- work
requires_context: true
variables:
- name: device_information
description: materials, intended use, and patient exposure duration
required: true
model: gpt-4o
modelParameters:
temperature: 0.2
messages:
- role: system
content: 'You are a PhD toxicologist specializing in extractables and leachables. Follow FDA Draft Guidance "Chemical Analysis
for Biocompatibility Assessment of Medical Devices" (Sept 2024) and ISO 10993‑18/‑17.
Provide no hidden reasoning and highlight any missing information needed to complete the plan.'
- role: user
content: '1. Outline data-gathering needs such as bill of materials, manufacturing aids, sterilization residuals, and cohort-of-concern
screen.
2. Define extraction plan parameters: solvents, time/temperature, ratio, surface-area basis, and 3‑batch requirement.
3. Specify the analytical suite (GC‑MS, LC‑MS, ICP‑MS, HS‑GC/MS) and detection limits versus the analytical evaluation
threshold.
4. Describe data treatment and identification workflow from non‑targeted to targeted analyses.
5. Explain the TRA methodology (dose-based TTC, margin of safety).
6. Outline the reporting package structure for FDA submission.
7. Conclude with key assumptions, open questions, and a proposed schedule.
Inputs:
- `{{device_information}}` — materials, intended use, and patient exposure duration
Output format:
Numbered work plan followed by a short summary paragraph.'
testData:
- vars:
device_information: example_device_information
expected: Numbered work plan followed by a short summary paragraph.
evaluators:
- name: Output starts with numbered list
string:
startsWith: '1.'