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DnXT Blog
Expert insights on regulatory operations, eCTD publishing, and digital transformation in life sciences.
Vector RAG in Regulated Environments: Semantic Retrieval with Citations, Not Vibes
Most 'AI search' in regulatory software is keyword matching with a chat interface. Here is what true vector retrieval looks like, why citations are non-negotiable in GxP, and how we...
Deterministic Document Placement: How We Auto-Assign Files to eCTD Sections Without Guessing
DnXT's auto-assign engine places documents into eCTD sections using patterns mined from 3,081 real sequences — deterministic first, AI last, and every placement explainable.
Replacing the Submission Tracking Spreadsheet: A Document-Level Operations Grid
We studied 14 real NDA-program tracking spreadsheets before building DnXT's document tracking grid. Here is what Excel gets right, where it breaks, and what replaces it.
One Drug, Many Markets: Submission Templates with a Global Core and Market Variants
How DnXT models multi-market submissions: a global core template, market variants that inherit and diverge deliberately, and a variance ledger that shows every difference at a glance.
Portfolio-Aware Regulatory News: Why Impact Scoring Beats Another Feed
Generic regulatory news feeds create triage debt. DnXT scores every guidance, approval and safety action against your actual portfolio — so surveillance becomes signal, not noise.
Predictive HAQ Readiness: Anticipating Health Authority Questions Before You Submit
DnXT's Predictive HAQ Readiness forecasts the health authority questions your submission is most likely to receive — before you submit — grounded in analysis of 1,000+ real agency questions.
Responding to FDA Information Requests: A Practical Playbook (and Where AI Helps)
A practical playbook for responding to FDA information requests: triage, discipline routing, drafting, QC — and where AI genuinely helps without crossing the GxP line.
Grouped Submissions in eCTD: How US Application Sets Actually Work
Grouped submissions let one sequence serve multiple related FDA applications. Here is how the mechanics actually work — shared files, member sequences, metadata mirroring, and cumulative views.
FDA Forms in eCTD Submissions: The Complete Guide to 1571, 356h, 2253 and Friends
Where every FDA form lives in an eCTD submission, why the dynamic XFA versions break standard PDF viewers, and how form leaves behave across sequence lifecycles.
Global eCTD Requirements by Country: US, EU, Japan, GCC, Australia, Singapore and Beyond
The eCTD backbone is harmonized; everything that gets submissions rejected is regional. A country-by-country guide to Module 1, DTD versions, and validation differences.
eCTD Publishing Costs in 2026: What You Actually Pay
License fees are the visible part of eCTD publishing cost — and often not the biggest part. An honest breakdown of what teams actually pay across software, services, validation, and...
GxP Training Management Software: What Compliance Teams Should Look For
Training records are among the most common GxP inspection findings — usually a systems failure, not a people failure. Here's what training management software has to do to fix that.
