Companion Diagnostics · US FDA

Strategic Companion Diagnostics (CDx) consulting focused on efficient and least burdensome regulatory pathways.

We guide Pharma and Diagnostic companies through the complex US FDA regulatory landscape for Companion Diagnostics — from early interactions with CDER, CBER (when applicable), and CDRH through clearance or approval, validation, and commercial use — with a relentless focus on reducing time to market.

Full lifecycle support

  • Regulatory strategy & FDA engagement
  • IDE / abbreviated IDE & PMA / De Novo / 510(k)
  • Analytical & clinical validation
  • Software & cybersecurity validation
  • Quality Management System (QMS)
  • Post-market compliance & surveillance
Efficient
Optimized FDA pathways
Least burdensome
Fewer samples, less cost
End-to-end
Feasibility to commercial
QMS-driven
Compliant by design
About us

Our value proposition is straightforward: efficient & least burdensome submissions.

Most FDA-cleared or approved companion diagnostics have been regulated as Class III devices through PMA, although certain companion diagnostics may be classified as Class II depending on their intended use and risk profile. At AVSA, LLC, we specialize in guiding Pharma and Diagnostic companies through the complex regulatory landscape of Companion Diagnostics (CDx) with the US FDA. We cover everything from feasibility testing and development to verification, validation, assay transfer, and commercial use.

Our tailored consulting services are designed to reduce time to market and support effective communication with FDA review teams — allowing you to concentrate on innovation and deliver precision medicine to patients in a timely manner.

Comprehensive support across every phase

  1. Coordination of interactions among CDER/CBER and CDRH for companion diagnostic development programs.
  2. Regulatory path engagement with CDRH, or with CDER/CBER
  3. Support for Significant Risk (SR) and Non-Significant Risk (NSR) assessments and regulatory strategy.
  4. Preparation & submission of IDE or abbreviated IDE
  5. CDx development under a robust QMS as a Clinical Trial Assay (CTA), or co-development with therapeutics for contemporaneous clearance or approval

The outcome we drive

  • Shorter, clearer path to FDA decision
  • Lower cost and regulatory burden
  • Contemporaneous CDx + therapeutic approval
  • Compliant, audit-ready documentation
  • Precision medicine to patients, sooner
Our services

End-to-end CDx consulting, engineered for the least burdensome pathway.

01

CDx Regulatory Strategy Development

With regulators, Pharma & diagnostics partners. A robust regulatory strategy is crucial to your CDx device. We provide guidance on up-to-date pathways, helping you select the optimal, least burdensome approach to minimize time and cost while ensuring compliance.

  • Regulatory pathway analysis
  • Pre-Submission consultation (Q-sub meetings with FDA)
  • Informational meeting consultation with FDA
  • Risk assessment & mitigation, including significant / non-significant risk determination
  • Regulatory roadmap creation for efficient clearances or approvals
  • Facilitation of FDA feedback and alignment discussions regarding IDE and CDx strategy.
  • Agreement with CBER / CDER on IDE / CDx strategy
02

FDA Submission Support

Navigating the FDA submission process can be daunting. We offer end-to-end support — from preparing QMS and regulatory documents to assisting clients with FDA communications — with a focus on the least burdensome submission.

  • Evaluation and support for Breakthrough Device Designation eligibility and submissions.
  • Premarket Approval (PMA), De Novo, or 510(k) submission
  • FDA deficiency or Additional Information response support.
  • Investigational Device Exemption (IDE) application
  • Labeling and promotional supplement
  • Supplement for group labeling of CDx
  • Regulatory strategy support for therapeutic and companion diagnostic co-development programs.
03

Analytical & Clinical Validation Consulting

Ensuring the clinical and analytical validity of your CDx is key to gaining FDA clearance or approval. Our team supports verification and validation studies, optimizing them for efficient results with minimal burden.

  • Study design consultation (accuracy, precision, interference, etc.)
  • Study designs optimized for scientific validity and efficient resource utilization.
  • Data analysis and interpretation
  • Study reports & summaries
  • Sample selection strategy
  • Expertise in genetic tests, AAV assays & pharmacogenomics
04

Software & Cybersecurity Validation

Software lifecycle and cybersecurity documentation aligned with applicable FDA guidance and recognized consensus standards.

  • Software validation strategy and execution
  • Cybersecurity risk assessment and mitigation
  • Third-party cybersecurity testing plan & reports
  • FDA compliance for software & cybersecurity in CDx
  • Documentation and submission support
05

Quality Management Systems (QMS)

A strong QMS is essential for CDx device compliance. We provide support across all phases of product development, ensuring alignment with FDA regulations and industry standards for a streamlined, efficient pathway to market.

  • Feasibility testing & early development guidance
  • Development and verification documentation aligned with applicable FDA requirements and industry standards.
  • Validation: analytical & clinical study documentation
  • Risk analysis — mentoring teams on false-negative / false-positive focus
  • Operations: transfer of validated assays to operational settings
  • Commercial use: post-market compliance & surveillance
  • QMS implementation & auditing: CAPA, supplier management, training
06

Post-Market Compliance & Surveillance

Maintaining compliance doesn't end at clearance or approval. We provide ongoing support to navigate post-market requirements and keep your device compliant — with an eye on streamlined processes that continue to reduce burden.

  • Post-market surveillance strategies
  • Adverse event reporting
  • Periodic reporting and FDA communications
  • Label changes & re-submissions with efficient support
Why choose us

Extensive experience working with FDA-regulated medical devices, focused on speed and the least regulatory burden.

Expertise in FDA regulations

Extensive experience working with FDA-regulated medical devices brings in-depth knowledge of regulatory requirements and industry standards for Companion Diagnostics — helping clients pursue efficient and least burdensome regulatory pathways.

Proven track record

We support medical device companies through FDA regulatory submissions, securing approvals and accelerating time-to-market for CDx devices through optimized, streamlined pathways.

Specialized validation support

Expert support for analytical and clinical validation, software and cybersecurity validation, and navigating the complexities of bridging study pathways and risk determinations.

End-to-end development support

From feasibility testing to commercial use, we support all phases of your product development under a robust QMS — ensuring an efficient, least burdensome pathway to market.

Tailored, least burdensome solutions

Every device is unique, and so is our approach. We provide customized consulting designed to meet the specific needs of your CDx device, focused on efficient clearance or approval with the least regulatory burden.

Get in touch

Ready to navigate the regulatory landscape of Companion Diagnostic devices with confidence and speed? Contact us today to schedule a consultation and take the first step towards efficient, least burdensome FDA clearance or approval.

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