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DnXT Blog
Expert insights on regulatory operations, eCTD publishing, and digital transformation in life sciences.
Quality Governs Quality’s Taxonomy: What Real Domain Governance Looks Like
The EDM Reference Model defines Domain as the discipline a document was created in. Serious organisations run several at once, and each discipline owns its own taxonomy. Most systems model...
Is Your Document Search Actually a Search? Three Ways to Find Out
Regulatory teams often describe their document search as “acting like a filter”. Surprisingly often, it literally is one — matching file names over the page already loaded in the browser.
Your Registration Tracker Is a Spreadsheet of Facts You Were Already Sent
Which products are approved, in which markets, since when? It is one of the most business-critical datasets a life sciences company holds — and almost universally typed by hand from...
An Impact Is a Finding Crossed With What You Own
A news item tells you what happened. It does not tell you which of yours it bears on, or what that now obliges — and every reader is reconstructing both...
When a Regulation Permits Something Your Software Cannot Verify
PMDA explicitly permits reusing a document filed under a different application — under three conditions, one of which no publishing tool can check. What the software does about that gap...
A Filed eCTD Sequence Is Immutable. So Where Does the Fix Go?
You have found a stale hyperlink in a sequence you filed eighteen months ago. The correct fix is obvious. The correct place to write it is not the file you...
“What Changes If We Change This Manufacturer?” — Answering It From Your Own Data
A supplier change lands on a CMC desk and the assessment begins: which products, which markets, which filings, which sections. Most of that is a query nobody could run.
What Is Actually In Force? Making the Filed eCTD Backbone Queryable
Which documents are currently in force in a given CTD section, across every sequence you have filed? The answer exists in your submissions. In most systems it is not in...
Setting Up the FDA Gateway for Promotional Submissions — Start Earlier Than You Think
Promotional submissions go through the same FDA Electronic Submissions Gateway as everything else — but the account setup, the test submission, and OPDP's own structural review are three separate lead...
Grouped Promotional Submissions: One Sequence, Many Applications
A grouped submission lets one promotional piece cover several applications at once. It is the biggest efficiency available in ad-promo publishing, and the easiest to get subtly wrong.
The Most Common OPDP eCTD Errors — And How Each One Actually Fails
OPDP publishes the errors it sees most often in promotional eCTD submissions. Most are structural, most are silent, and several fail in ways that are not obvious from the rejection...
FDA Form 2253 Submissions in eCTD Format: The Structure, Section by Section
Where each piece of a Form FDA 2253 submission belongs in the eCTD — the form, the current labeling, and the promotional material itself — and why the placement is...
