Writing & StyleStyle guide

SV Domain for Subject Visits in FDA Study Data

FDA’s June 2026 guide states an Agency preference for submitting scheduled and unscheduled clinical subject visits together in one dataset structured as the current SDTM SV domain.

Quick answer

Submit scheduled visits, whether or not they occurred, and unscheduled visits together in one structured SV-domain dataset as described by the current FDA guide.

Key details

Core IssueFDA’s June 2026 guide states an Agency preference for submitting scheduled and unscheduled clinical subject visits together in one dataset structured as the current SDTM SV domain.
Registerscholarly, professional, or research/report writing

Important caveats

Scope Boundary

This is current FDA technical-conformance guidance for electronic study-data submissions; recheck the current FDA guide, supported standards, Data Standards Catalog, and eCTD specifications before relying on version-sensitive requirements.

Further guidance

Content

The guide also identifies specific non-standard visit variables for the SV dataset; those details stay within this canonical rather than being split into separate thin pages.

Purpose

Submit scheduled visits, whether or not they occurred, and unscheduled visits together in one structured SV-domain dataset as described by the current FDA guide.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Study Data Technical Conformance Guide - Technical Specifications Document (opens in a new tab)U.S. Food and Drug Administration · Current FDA technical specifications for standardized clinical and nonclinical study-data submissions, including reviewer guides, datasets and eCTD organization.

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