What is Phase 4 of a clinical trial?

What is Phase 4 of a clinical trial?

A type of clinical trial that studies the side effects caused over time by a new treatment after it has been approved and is on the market. These trials look for side effects that were not seen in earlier trials and may also study how well a new treatment works over a long period of time.

What type of studies may be conducted during Phase 4?

Other phase IV studies could be RCTs, in vitro studies, outcomes research (burden of illness) and pharmacoeconomic studies, drug utilization studies, practical clinical trials, and investigator-initiated research in practice.

How are clinical trials conducted in China?

The three steps consist of a pre-IND meeting, submission of the filing to the CDE, and the CDE’s review and approval (2). Also, the likely time period for regulatory approval of clinical trial applications are now shortened from 265 days to 65 days (2).

How long is a Phase 4 clinical trial?

two years
Since phase IV trials aim to study how a treatment will perform in the long run, it shouldn’t come as a surprise that they’re quite long. Typically they’re conducted for a minimum of two years.

How long do Phase 4 clinical trials take?

Phase 4: In phase 4, the drug has been approved by the FDA. The drug can be used commercially, but still requires additional long-term testing. This phase involves thousands of participants, takes place over several years, and is used to determine long-term safety and effectiveness.

Is GCP a legal requirement?

Compliance with GCP is a legal obligation in Europe for all trials of investigational medicinal products. Comprising 13 core principles, GCP applies to all clinical investigations that can affect the safety and wellbeing of human participants, particularly Clinical Trials of Investigational Medicinal Products.

What are the 13 principles of ICH GCP?


  • Trial risk vs trial benefit.
  • Information on the Medicinal Product.
  • Compliance with the study protocol.
  • Medical decisions.
  • Informed consent.
  • Confidentiality.
  • Good Manufacturing Practice.
  • Does China have FDA regulations?

    Drugs and medical devices are overseen by the former China Food and Drug Administration (CFDA) now the National Medical Products Administration (NMPA), which reports to the State Administration of Market Regulation (SAMR).

    What is the Hgrac in China?

    Human Genetic Resources Administration of China (HGRAC) is the entity in China charged with the review and approval of the applications.

    Who has access to the human genome?

    Summary: The DNA sequence of the Human Genome is now freely accessible to all, for public or private use, from the National Center for Biotechnology Information (NCBI).