Knowledge Base

FDA Regulatory Insights

Practical guidance on 510(k) submissions, AI/ML SaMD, cybersecurity compliance, FDA 483 response, and clinical trial strategy.

Regulatory Strategy

FDA Establishment Registration vs. Device Listing: What Medical Device Companies Must Know

Learn the critical differences between FDA establishment registration and device listing under 21 CFR Part 807 — and why your device company needs both to stay compliant.

By Andre Butler  ·  August 15, 2026
De Novo

De Novo Classification Requests: Navigating FDA Approval When Your Device Has No Predicate

Learn when De Novo is the right regulatory pathway, how to build a winning request, and what FDA expects — from an expert medical device regulatory consultant.

By Andre Butler  ·  August 15, 2026
510(k)

Shelf-Life and Accelerated Aging Studies: ASTM F1980 Protocols for FDA Device Submissions

Learn how to design ASTM F1980 accelerated aging studies that satisfy FDA shelf-life requirements for 510(k), PMA, and De Novo device submissions.

By Andre Butler  ·  August 14, 2026
Regulatory Strategy

Real-World Evidence in Medical Device Submissions: FDA's Current Acceptance Criteria

Learn how FDA evaluates real-world evidence in 510(k), PMA, and De Novo submissions. Practical guidance on RWE standards, data quality, and regulatory strategy.

By Andre Butler  ·  August 14, 2026
Clinical Trials

IDE vs Abbreviated IDE vs Exempt Studies: Choosing the Right Clinical Pathway for Your Medical Device

Learn how to choose between a full IDE, abbreviated IDE, or exempt study for your medical device clinical trial. Expert FDA regulatory guidance from ADB Consulting.

By Andre Butler  ·  August 14, 2026
510(k)

Software Documentation Levels for FDA Submissions: Basic vs Enhanced Under the 2023 Guidance

Learn how FDA's 2023 software guidance defines Basic vs Enhanced documentation levels and what your 510(k) or PMA submission actually needs to include.

By Andre Butler  ·  August 13, 2026
De Novo

De Novo Classification Requests: When Your Medical Device Has No Predicate

No predicate device? Learn when De Novo is the right FDA pathway, how the process works, and how to build a winning classification request.

By Andre Butler  ·  August 13, 2026
De Novo

De Novo Classification Requests: A Practical Guide for Devices Without a Predicate

No predicate? No problem. Learn how the FDA De Novo pathway works, when to use it, and how to build a winning classification request for your novel device.

By Andre Butler  ·  August 13, 2026
ISO 13485

Supplier Controls Under QMSR: How to Qualify and Audit Critical Suppliers Without Leaving FDA Gaps

Learn how to qualify and audit critical suppliers under FDA QMSR (21 CFR Part 820). Practical guidance for medical device companies navigating supplier controls.

By Andre Butler  ·  August 13, 2026
ISO 13485

Complaint Handling and MDR Reporting: Building a Compliant Postmarket Surveillance System

Learn how to build a compliant postmarket surveillance system with expert guidance on complaint handling and MDR reporting under 21 CFR Part 803 and 820.

By Andre Butler  ·  August 13, 2026
Regulatory Strategy

FDA Breakthrough Device Designation: Eligibility, Benefits, and Application Strategy

Learn how FDA Breakthrough Device Designation works, who qualifies, and how to build a winning application strategy. Expert guidance from ADB Consulting & CRO Inc.

By Andre Butler  ·  August 13, 2026
510(k)

Clinical Evidence in 510(k) Submissions: When Performance Data Alone Isn't Enough

Learn when 510(k) submissions require clinical data beyond bench and performance testing — and how to build a defensible evidence package that satisfies FDA reviewers.

By Andre Butler  ·  August 13, 2026
Regulatory Strategy

Sterilization Validation for Medical Devices: EO, Radiation, and Steam Pathway Requirements

Master EO, radiation, and steam sterilization validation for FDA submission. Expert guidance on 21 CFR, ISO standards, and common pitfalls from ADB Consulting & CRO.

By Andre Butler  ·  August 13, 2026
Regulatory Strategy

Biocompatibility Testing Under ISO 10993: How to Build Your Test Matrix by Contact Type and Duration

Learn how to plan your ISO 10993 biocompatibility test matrix by device contact type and duration — practical guidance for medical device startups and RA teams.

By Andre Butler  ·  August 13, 2026
Registration

FDA Establishment Registration Fee & Annual Renewal Guide

FDA device establishment registration renews October 1–December 31 each year. Learn the fee structure, the renewal window, and what happens if you miss it.

By Andre Butler  ·  Guide
Registration

FDA Device Establishment Registration: Who Must Register, When, and How

Any establishment that manufactures, repackages, or imports devices for US distribution must register with FDA under 21 CFR Part 807 before placing devices on the market.

By Andre Butler  ·  Guide
Registration

Updating Your FDA Establishment Registration: When Changes Require Action

Address changes, new devices, ownership transfers, and US Agent changes must be reported to FDA — typically within 30 days of the change — via the FURLS Online Registration System.

By Andre Butler  ·  Guide
Registration

FDA Establishment Registration vs. Device Listing: Two Distinct Requirements

Registration identifies who is making the device and where; listing tells FDA what devices are manufactured there. Both are required before US market entry under 21 CFR Part 807.

By Andre Butler  ·  Guide
PMA

Clinical Evidence Requirements for PMA Submissions: What FDA Expects

PMA applications must include valid scientific evidence under 21 CFR 860.7 — typically a well-designed pivotal clinical study. Learn IDE requirements, statistical standards, and the SSED.

By Andre Butler  ·  Guide
IDE / Clinical

FDA IDE Review Timeline & Approval Process: What to Expect

FDA has 30 calendar days to review a standard IDE application. Learn what triggers approval, conditional approval, or disapproval — and how to handle deficiencies.

By Andre Butler  ·  Guide
PMA

What to Include in a PMA Application: Required Sections and Data Modules

A PMA application for a Class III device requires a device description, clinical data, manufacturing information, SSED, and labeling organized across required modules.

By Andre Butler  ·  Guide
513(g)

Types of 513(g) Requests: Formal Classification Feedback Explained

A 513(g) Request for Information asks FDA to identify what device classification applies to your product. Learn what it produces, the 60-day timeline, and when to use it vs. a Pre-Sub.

By Andre Butler  ·  Guide
IDE / Clinical

Early Feasibility Studies vs. Pivotal IDE Trials: Key Differences

An EFS gathers preliminary safety data in ≤10 subjects; a pivotal trial is a statistically powered study designed to support PMA or De Novo. Learn FDA's design expectations for each.

By Andre Butler  ·  Guide
Labeling

FDA Misbranding & Off-Label Promotion Risks: What Manufacturers Must Know

Off-label promotion risks warning letters, import holds, and injunctions. Learn what constitutes misbranding under FFDCA Section 502 and the intended-use doctrine.

By Andre Butler  ·  Guide
PMA

FDA PMA Review Timeline & Decision Process

FDA targets a 180-day review clock for PMA submissions. Understand the decision stages, Day 100 meetings, Additional Information letters, and panel triggers that affect your timeline.

By Andre Butler  ·  Guide
Registration

FDA Device Listing & Product Codes Explained

FDA requires each marketed device to be listed under a 3-letter product code tied to its classification. Learn how to find the right code, submit listing in FURLS, and keep listings current.

By Andre Butler  ·  Guide
Registration

FDA Registration for Foreign Medical Device Manufacturers

Foreign manufacturers exporting to the U.S. must register with FDA and designate a U.S. Agent. Learn the requirements, registration process in FURLS, and annual renewal obligations.

By Andre Butler  ·  Guide
PMA

PMA Post-Approval Requirements & Supplement Obligations

A PMA approval triggers ongoing post-market reporting, PMA Supplements for device or manufacturing changes, and possible post-approval studies. Learn which supplement type applies to your change.

By Andre Butler  ·  Guide
513(g)

How to Submit a 513(g) Request for Classification Information

A 513(g) request asks FDA for its official view on your device's classification and likely regulatory pathway. Learn the complete submission procedure, required content, and the 60-day response process.

By Andre Butler  ·  Guide
Pre-Submission

FDA Pre-Submission (Q-Sub) Meeting Types and When to Use Each

FDA offers in-person, teleconference, and written Q-Sub feedback options. Understanding which type fits your questions helps you get FDA feedback faster and more usefully in your development program.

By Andre Butler  ·  Guide
513(g)

FDA 513(g) Review Timelines and Typical Outcomes

FDA targets a 60-day response for 513(g) requests. Learn what Class I, II, and III classification responses look like and how to use FDA's response in your downstream regulatory strategy.

By Andre Butler  ·  Guide
510(k)

510(k) Clearance Timeline and FDA Review Costs

FDA targets a 90-day review clock for Traditional 510(k) submissions. Understand FDA user fees, what triggers an Additional Information letter, and realistic total clearance timelines.

By Andre Butler  ·  Guide
Labeling

FDA Medical Device Labeling Requirements — A Manufacturer's Guide

FDA device labeling includes the physical label, package inserts, and promotional materials. Learn required elements under 21 CFR Part 801, adequate directions for use, and off-label promotion risks.

By Andre Butler  ·  Guide
Pre-Submission

Post-FDA Meeting Follow-Up: Best Practices for Sponsors

FDA issues written meeting minutes within 30 days of a Pre-Submission meeting. Learn how to review minutes for accuracy, document discrepancies, and update your development program accordingly.

By Andre Butler  ·  Guide
PMA

FDA Advisory Panel Meetings: What PMA Sponsors Should Expect

FDA may convene an advisory panel for novel or high-risk PMA devices. Understand the panel meeting format, how panel recommendations are made, and how FDA uses panel votes in its final order.

By Andre Butler  ·  Guide
Pre-Submission

Best Practices for Communicating with FDA Reviewers

During an active 510(k) or PMA review, the primary channel is through the assigned reviewer. Learn the Interactive Review Program, when to contact FDA proactively, and how to maintain a clear communication record.

By Andre Butler  ·  Guide
510(k)

Human Factors Engineering for 510(k) Submissions: When HFE Data Is Required and What FDA Expects

Learn when FDA requires human factors and usability engineering data for 510(k) submissions, including key guidance references and what documentation to prepare.

By Andre Butler  ·  August 12, 2026
ISO 13485

Design History File vs Device Master Record vs DHR: What Each Must Contain | ADB Consulting & CRO

Confused by DHF, DMR, and DHR requirements? Learn exactly what each must contain under 21 CFR Part 820 to stay FDA compliant and audit-ready.

By Andre Butler  ·  August 12, 2026
AI/ML SaMD

Drafting a Predetermined Change Control Plan for AI/ML Medical Devices: A Practical Guide

Learn how to draft a compliant PCCP for AI/ML medical devices. Expert guidance on FDA requirements, SPS, IPS, and impact assessment from ADB Consulting & CRO.

By Andre Butler  ·  August 12, 2026
Regulatory Strategy

FDA Q-Submission (Pre-Sub) Meetings: When to Request One and How to Prepare

Learn when to request an FDA Q-Submission (Pre-Sub) meeting and how to prepare effectively. Expert guidance from ADB Consulting & CRO Inc.

By Andre Butler  ·  August 12, 2026
AI/ML SaMD

Predetermined Change Control Plans for AI/ML Medical Devices: A Practical Drafting Guide

Learn how to draft a compliant PCCP for your AI/ML medical device. Practical guidance on FDA expectations, required elements, and regulatory strategy from ADB Consulting.

By Andre Butler  ·  August 12, 2026
Pricing

How Much Does FDA Consulting Cost? Real Numbers from a Practitioner

FDA regulatory consulting costs, with real published flat fees: 510(k) from $24,500, Pre-Sub $6,500, QMS gap assessment from $3,495, 513(g) from $1,495. No quote games.

By Andre Butler  ·  August 11, 2026
AI/ML SaMD

Predetermined Change Control Plans for AI/ML Medical Devices: A Practical Drafting Guide

Learn how to draft a compliant PCCP for your AI/ML medical device. Practical guidance on FDA expectations, SaMD modifications, and regulatory strategy from ADB Consulting.

By Andre Butler  ·  August 11, 2026
510(k)

Predicate Device Selection Strategy: How to Choose a Predicate That Survives FDA Scrutiny

Learn how to select a 510(k) predicate device that holds up under FDA review. Expert strategies from ADB Consulting & CRO Inc. to avoid common pitfalls.

By Andre Butler  ·  July 30, 2026
510(k)

FDA 510(k) Refuse to Accept Checklist: Why Submissions Get Rejected Before Review

Discover the most common FDA 510(k) RTA failures and how to avoid them. Expert guidance from ADB Consulting & CRO Inc. on submitting a complete, reviewable 510(k).

By Andre Butler  ·  July 29, 2026
AI/ML SaMD

Predetermined Change Control Plan (PCCP): The Regulatory Blueprint Every AI/ML Medical Device Company Needs

Learn how to build a compliant Predetermined Change Control Plan (PCCP) for AI/ML SaMD under FDA guidance. Expert insights from ADB Consulting & CRO Inc.

By Andre Butler  ·  July 28, 2026
AI/ML SaMD

Predetermined Change Control Plans for AI/ML Medical Devices: What You Need to Know Before Your Next FDA Submission

Learn how to build a compliant Predetermined Change Control Plan (PCCP) for AI/ML medical devices. Practical FDA guidance for regulatory and quality leaders.

By Andre Butler  ·  July 27, 2026
AI/ML SaMD

Predetermined Change Control Plans for AI/ML Medical Devices: What FDA Expects and How to Get It Right

Learn how to build a compliant Predetermined Change Control Plan (PCCP) for your AI/ML medical device. Expert FDA regulatory guidance from ADB Consulting & CRO Inc.

By Andre Butler  ·  July 26, 2026
Regulatory Strategy

Biocompatibility Testing for Medical Devices: What FDA Actually Requires and How to Get It Right

Learn exactly what FDA requires for biocompatibility testing under ISO 10993 and 21 CFR Part 820. Expert guidance for device startups and regulatory teams.

By Andre Butler  ·  July 25, 2026
AI/ML SaMD

Drafting a Predetermined Change Control Plan for AI/ML Medical Devices: A Practical Guide

Learn how to draft a compliant PCCP for AI/ML SaMD. Practical guidance on FDA requirements, SPS, IPS, and impact assessment from ADB Consulting & CRO Inc.

By Andre Butler  ·  July 23, 2026
Cybersecurity

Section 524B Cybersecurity Documentation: What FDA Expects in Your Premarket Submission

Learn exactly what FDA requires for Section 524B cybersecurity documentation in premarket submissions. Expert guidance from ADB Consulting & CRO Inc.

By Andre Butler  ·  July 22, 2026
ISO 13485

QMSR 2026: What Changed from 21 CFR Part 820 and What Your Device Company Must Update Now

The FDA QMSR replaces 21 CFR Part 820 in 2026. Learn what changed, what your QMS must update, and how to stay compliant before the deadline.

By Andre Butler  ·  July 21, 2026
Clinical Trials

IDE Submission Requirements: What Medical Device Companies Must Know Before Starting an Investigational Study

Learn the exact IDE submission requirements under 21 CFR Part 812 before starting your investigational device study. Expert guidance from ADB Consulting & CRO Inc.

By Andre Butler  ·  July 14, 2026
AI/ML SaMD

FDA AI/ML SaMD Regulatory Requirements: What Device Makers Must Know in 2025

Navigate FDA's AI/ML SaMD Action Plan with confidence. Learn the regulatory requirements, submission strategies, and PCCP frameworks your device needs.

By Andre Butler  ·  July 13, 2026
FDA 483 Response

FDA Inspection Readiness: What to Expect During a QSIT Audit (And How to Prepare)

Learn what FDA investigators examine during a QSIT audit, which subsystems trigger the most 483s, and how to prepare your QMS before inspection day.

By Andre Butler  ·  June 30, 2026
Clinical Trials

Clinical Trial Design for PMA Submissions: What Medical Device Companies Must Get Right

Learn how to design FDA-compliant clinical trials for PMA submissions. Expert guidance on IDE requirements, endpoints, and study design from ADB Consulting & CRO Inc.

By Andre Butler  ·  June 29, 2026
AI/ML SaMD

AI/ML SaMD and FDA's 2021 Action Plan: What Medical Device Companies Must Know Before Submission

Navigate FDA's AI/ML SaMD regulatory requirements under the 2021 Action Plan. Expert guidance on predetermined change control plans, transparency, and 510(k) strategy.

By Andre Butler  ·  June 19, 2026
De Novo

Clinical Evidence Requirements for De Novo Classification: What Device Makers Need to Know

Learn what clinical evidence FDA requires for De Novo classification requests, including study design, data standards, and common pitfalls to avoid.

By Andre Butler  ·  June 15, 2026
FDA 483 Response

FDA Warning Letter Remediation: A Step-by-Step Approach for Medical Device Companies

Received an FDA Warning Letter? Learn a proven, step-by-step remediation strategy with specific 21 CFR references to close out findings and protect your business.

By Andre Butler  ·  June 11, 2026
Regulatory Strategy

FDA UDI Compliance: What Medical Device Companies Must Know to Stay Ahead of Enforcement

Master FDA UDI compliance under 21 CFR Part 830. Practical guidance on GUDID submission, labeling requirements, and avoiding costly enforcement actions.

By Andre Butler  ·  June 10, 2026
510(k)

Post-Market Surveillance Requirements for FDA-Cleared Devices: What You Must Do After 510(k) Clearance

Learn the specific FDA post-market surveillance requirements for cleared devices—MDR, MDR exemptions, complaint files, and PMS planning under 21 CFR.

By Andre Butler  ·  June 7, 2026
AI/ML SaMD

SaMD FDA Classification: What Medical Device Startups Need to Know Before Submitting

Navigate FDA's SaMD classification framework with confidence. Learn how 21 CFR, IMDRF, and FDA guidance apply to your software product before you submit.

By Andre Butler  ·  June 4, 2026
Cybersecurity

FDA Section 524B Cybersecurity Requirements: What Medical Device Companies Must Know Now

Section 524B mandates cybersecurity submissions for medical devices. Learn what FDA requires, key deadlines, and how to build a compliant security program.

By Andre Butler  ·  June 1, 2026
ISO 13485

ISO 13485 Implementation Guide: Building a QMS That Satisfies FDA and Global Regulators

Learn how to implement ISO 13485 for medical devices—covering FDA alignment, documentation, risk management, and audit readiness for startups and growing companies.

By Andre Butler  ·  May 28, 2026
De Novo

De Novo Pathway: When to Use It and How to Prepare for FDA Success

Learn when the FDA De Novo pathway applies to your medical device and how to build a submission that clears the first time. Expert guidance from ADB Consulting.

By Andre Butler  ·  May 25, 2026
510(k)

FDA 510(k) Clearance Explained: A Practical Guide for Medical Device Startups

Learn how the FDA 510(k) process works, what substantial equivalence means, and how to avoid costly mistakes that delay clearance for your medical device.

By Andre Butler  ·  May 24, 2026
ISO 13485

ISO 14971 Risk Management for Medical Devices: What FDA Expects and How to Get It Right

Learn how ISO 14971 risk management aligns with FDA expectations under 21 CFR Part 820 and how to build a defensible risk management file for your device.

By Andre Butler  ·  May 23, 2026
Cybersecurity

FDA Cybersecurity Enforcement in Medical Devices: What the Latest Trends Mean for Your Regulatory Strategy

FDA is intensifying cybersecurity enforcement for medical devices. Learn what Section 524B, premarket submissions, and postmarket expectations mean for your strategy.

By Andre Butler  ·  May 21, 2026
Regulatory Strategy

21 CFR 801 Medical Device Labeling Requirements: What Startups and Regulatory Teams Must Know

Master FDA medical device labeling under 21 CFR 801. Practical guidance on required elements, common mistakes, and compliance strategies for device companies.

By Andre Butler  ·  May 19, 2026
ISO 13485

Design Controls Under 21 CFR Part 820: A Practical Guide for Medical Device Companies

Master FDA design controls under 21 CFR Part 820. Practical guidance on design inputs, outputs, verification, validation, and DHF documentation for device teams.

By Andre Butler  ·  May 15, 2026
ISO 13485

FDA Inspection Readiness: What to Really Expect During a QSIT Audit

Prepare your medical device company for an FDA QSIT inspection. Learn what investigators examine, common findings, and how to avoid a Form 483.

By Andre Butler  ·  May 13, 2026
AI/ML SaMD

SaMD FDA Classification: A Practical Framework for Medical Device Software Founders

Understand how FDA classifies Software as a Medical Device under 21 CFR and IMDRF guidelines. Practical guidance for startups and regulatory teams.

By Andre Butler  ·  May 11, 2026
Cybersecurity

SBOM Requirements for Connected Medical Devices: What FDA Expects and How to Stay Compliant

FDA now requires SBOMs for connected medical devices. Learn what's required, which guidance applies, and how to build compliance into your premarket submission.

By Andre Butler  ·  May 9, 2026
PMA

PMA Submissions Explained: The Complete Class III Device Pathway Guide

Navigate the FDA PMA process with confidence. Learn Class III device requirements, submission structure, and common pitfalls from regulatory experts.

By Andre Butler  ·  May 7, 2026
Regulatory Strategy

FDA Pre-Submission (Q-Sub) Meeting Strategy: How to Get the Answers You Need Before You File

Learn how to use FDA Pre-Submission (Q-Sub) meetings strategically to de-risk your 510(k), De Novo, or PMA submission before you file.

By Andre Butler  ·  May 5, 2026
AI/ML SaMD

FDA's Digital Health Center of Excellence: What It Means for Medical Device Developers in 2026

Understand how FDA's Digital Health Center of Excellence impacts SaMD, AI/ML, and connected device developers—and how to align your regulatory strategy.

By Andre Butler  ·  May 4, 2026
ISO 13485

ISO 14971 Risk Management for Medical Devices: What Every Founder and Regulatory Professional Must Know

Master ISO 14971 risk management for FDA medical device compliance. Learn the core framework, FDA alignment, and common pitfalls to avoid before your next submission.

By Andre Butler  ·  May 3, 2026
AI/ML SaMD

FDA's AI/ML SaMD Framework: What Device Developers Need to Know

The FDA's evolving approach to AI/ML in medical devices has created both new opportunities and new complexity. Here's a practical breakdown of the current regulatory landscape.

By Andre Butler  ·  December 2024
FDA 483 Response

Received an FDA 483? Your 48-Hour Response Framework

An FDA Form 483 observation is not a Warning Letter — but how you respond in the first 48 hours determines whether it stays that way.

By Andre Butler  ·  November 2024
Cybersecurity

Section 524B: The Medical Device Cybersecurity Requirements You Can't Ignore

Since March 2023, FDA has been refusing 510(k) submissions that don't meet the new cybersecurity requirements under Section 524B. Is your submission compliant?

By Andre Butler  ·  October 2024
510(k)

Predicate Device Selection: The 510(k) Decision That Makes or Breaks Your Submission

Choosing the wrong predicate device is the #1 cause of 510(k) deficiency letters. Here's a systematic approach to predicate selection that maximizes clearance probability.

By Andre Butler  ·  September 2024
Clinical Trials

IDE Applications: When You Need One and How to Prepare

Not every device clinical study requires an IDE. Knowing when FDA exemptions apply can save your company months of preparation time.

By Andre Butler  ·  August 2024

Questions?

Need Guidance for Your Specific Device?

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