NHP-MF (Master File) Submission

An NHP-MF (Master File) is designed to enable suppliers of medicinal ingredients or raw materials to provide proprietary information directly to the Natural Health Products Directorate (NHPD) without disclosing it to the applicant. This mechanism applies to medicinal ingredients, non-medicinal ingredients, packaging materials, and safety and efficacy evidence data in support of Product License Applications or Clinical Trial Applications.  

Cross-references can be made to NHP-MFs by multiple manufacturers, provided an authorization letter from the Master File originator (holder) is submitted to the NHPD. Maintaining an NHP Master File streamlines the approval process for new products, ensuring timely market access and sustained competitiveness. 

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When is an NHP-MF Required?

An NHP-MF is typically required in the following scenarios: 

New Ingredient Introduction

When a manufacturer introduces a new medicinal ingredient or raw material into the market, which has no previous history of use in natural health products, an NHP-MF must be submitted. This is to ensure that Health Canada can thoroughly assess the safety and quality of the new ingredient. 

Proprietary Information

When the manufacturing details, technical specifications, or processes involved in the production of an ingredient are proprietary, an NHP-MF is required. This allows the manufacturer to protect their proprietary information while still providing necessary details to Health Canada. 

Support for Product License Applications

If a Product License Application (PLA) or a Clinical Trial Application (CTA) for a natural health product includes ingredients that are covered under an NHP-MF, the master file must be submitted or cross-referenced. This helps to streamline the approval process by providing comprehensive and pre-reviewed data. 

Non-Medicinal Ingredients

An NHP-MF may also be required for non-medicinal ingredients, packaging materials, and safety and efficacy evidence data that are integral to the natural health product’s overall formulation and presentation. 

Master File Registration Process with Health Canada (NHPD)

To register a Master File with the NHPD of Health Canada, follow these steps: 

Preparation

Gather all necessary safety, efficacy, and quality data for the active ingredient. Ensure the data complies with NHPD requirements. 

Submission

Prepare a comprehensive submission package including the data and relevant forms specified by the NHPD. 

Application

Complete and submit the Master File application form along with the submission package to the NHPD. 

Review

The NHPD will assign a submission number to your Master File and review its contents. Note that the initial review typically occurs when the Master File is referenced in a PLA. 

Approval

Once reviewed and accepted, the Master File will be registered with the NHPD. It will then be available for reference in future PLAs to support the registration of finished natural health products. 

Maintenance

Ensure the Master File is kept up to date with any new relevant data or changes as required by the NHPD. 

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