China Clinical Evaluation Report

A Clinical Evaluation Report (CER) is a document required by the National Medical Products Administration (NMPA) for the registration of medical devices and in vitro diagnostic (IVD) products in China. Clinical evidence is crucial in this process, as it supports the safety, clinical performance, and effectiveness of the device. It involves the ongoing evaluation and analysis of clinical data using scientific methods to demonstrate the safety, clinical performance, and/or effectiveness of a device within its intended use.

Understanding Clinical Evaluation in China

Clinical evaluation is a critical step in the registration process for medical devices in China. It involves validating whether the product meets its intended use requirements or scope of application. This process requires a thorough review of clinical literature, clinical experience data, and clinical trials. For Class II and Class III medical devices, clinical evaluation is mandatory, reflecting the higher risks associated with these categories. The requirements vary based on the device’s application scope and associated risks, ensuring that each device is rigorously assessed for safety and effectiveness before entering the Chinese market.

Medical device manufacturers
Medical devices exempted

Exemptions from Clinical Evaluation

While clinical evaluation is generally required for registration and filing, exemptions are possible under certain conditions:

1

The device has a clear working mechanism, standardized design, and mature production process; similar devices have been marketed and used clinically for years without reports of serious adverse events, and the intended use has not changed.

2

Safety and effectiveness can be proven through non-clinical evaluation methods.

It is essential for manufacturers to verify their product's status against the clinical trial exemption list to determine the appropriate regulatory pathway.

Products meeting exemption criteria are not required to submit clinical evaluation materials. The NMPA publishes and updates the official exemption lists for:

Medical devices
Class II and Class III IVD reagents exempt from clinical trials

Additionally, the exemption catalogue plays a crucial role in determining eligibility for an exempted pathway for Class II and III devices. Manufacturers should regularly check the NMPA's updates to ensure compliance.

Clinical Evaluation of Medical Devices

There are two primary pathways for clinical evaluation:

1

Same Type Pathway (Predicate Approach)

2

Clinical Trial Pathway

Additionally, the exemption catalogue plays a crucial role in determining eligibility for an exempted pathway for Class II and III devices. Manufacturers should regularly check the NMPA's updates to ensure compliance.

1

Same Type Device Pathway

Many medical devices are developed incrementally rather than through radical innovation. In such cases, clinical evaluation can be based on existing clinical data and non-clinical studies of similar products already approved by NMPA. The importance of compared devices in the evaluation process cannot be overstated, as they provide a benchmark for assessing new products.

A “same type” or predicate device must:

Have identical or similar technical and biological characteristics
Be approved for market in China
Share the same intended use

Detailed information on the predicate device is required, including production process details (especially for non-active products). Because predicate data is often proprietary, this route is typically best suited for companies that already have similar products registered in China. Demonstrating substantial equivalence with an equivalent device is crucial for the Clinical Evaluation Report (CER), as it can help avoid the need for new clinical trials in China. Although applicants may request information from NMPA, data owners are rarely willing to share sensitive details with competitors.

2

Clinical Trial Pathway

If the product differs significantly in intended use, technology, or biological characteristics compared to existing approved devices, it is classified as a new type of medical device and will require clinical trial data.

Use of Overseas Clinical Trial Data: If the declared product or its predecessor has undergone overseas trials, that data may be used for evaluation. However, utilizing overseas clinical data presents challenges due to demographic differences and differing clinical trial requirements, and such trials must meet the ethical and regulatory standards of China’s Good Clinical Practice (GCP) requirements.
Use of Chinese Clinical Trial Data: If no suitable overseas data is available, applicants must conduct clinical trials in China using locally collected data.

Depending on the source of clinical trial data conducted, the latter pathway includes:

Overseas clinical trial data of the declared product
Overseas clinical trial data of the predecessor product
Clinical trial data generated in China

1

2

Multi-Pathway Evaluation

If one pathway alone is insufficient to support the registration, multiple data sources (e.g., partial clinical data, predicate comparison, literature, non-clinical data) can be combined to meet NMPA requirements.

Clinical Evaluation of In Vitro Diagnostic (IVD) Reagents

For IVD products exempt from clinical trials, clinical evaluation must still confirm the product meets its intended use. This may involve:

Methodological comparisons with similar domestically approved products to demonstrate equivalence.
Comparative studies with reference measurement procedures or diagnostic accuracy standards to confirm consistency.

Additionally, the evaluation process includes essential comparison tables to assess eligible devices listed in the NMPA 'Exemption Catalogue.'

If substantial equivalence or adequate consistency cannot be demonstrated, the product must undergo clinical trials.

For IVDs not exempt from clinical trials, manufacturers must generate and submit clinical trial data for registration.

NMPA Clinical Evaluation Report Regulations & Requirements

The National Medical Products Administration (NMPA) has established stringent regulations and requirements for clinical evaluation reports. These regulations are designed to ensure that all medical devices meet high standards of safety and effectiveness. The NMPA requires detailed documentation of clinical data, including clinical trials, clinical literature reviews, and clinical experience data. Compliance with these regulations is essential for successful registration and market entry of medical devices in China. Manufacturers must ensure that their CERs are meticulously prepared to meet NMPA standards, providing clear evidence of the device’s clinical performance and safety.

Clinical evidence

Our China Clinical Evaluation Report Services for Medical Devices & IVDs

We specialize in preparing CERs that comply with NMPA standards, helping you streamline the registration process and, where possible, avoid the need for local clinical trials. Our services include:

Regulatory Assessment & Strategy

Determine whether your medical device or IVD qualifies for a clinical trial exemption.
Identify an NMPA-approved predicate IVD or device to support equivalence claims.
New guidance plays a crucial role in determining the best approach to demonstrate safety and effectiveness using clinical data.

CER Preparation & Documentation

Develop a China-compliant Clinical Evaluation Report (CER) following NMPA guidelines.
Compile clinical and preclinical data, IVD and predicate device comparisons, and conduct a literature review to ensure accurate and comprehensive data collection.
Structure the CER to justify trial exemption or support registration.

Data Collection & Analysis

Assess existing clinical data, real-world evidence, and international studies for applicability in China.
Perform gap analysis to determine if additional supporting data is required.
Summarize risk assessments and performance evaluations to meet regulatory expectations.

Submission & NMPA Compliance Support

Ensure the CER meets all NMPA requirements for Class II and Class III medical devices and IVDs. A comprehensive submission package, including the Clinical Evaluation Report and other vital documents, is crucial to ensure compliance and avoid delays or rejections.
Assist with pre-market submission, technical file preparation, and regulatory correspondence
Provide ongoing support in case of NMPA queries or additional data requests.

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