What safety and efficacy criteria will apply to medical marijuana?

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Safety and Efficacy Criteria for Medical Marijuana

Medical marijuana products seeking approval in Japan would need to demonstrate safety and efficacy confirmed under existing pharmaceutical and medical device regulations. This approach aims to align Japan's standards for medicinal cannabis with those applied to other regulated therapeutic goods. The revision is intended to address unmet medical needs while harmonising with international practices.
Pharmaceutical and Medical Device Regulations

The proposed revision specifically targets marijuana products that have undergone rigorous evaluation and received confirmation of their safety and efficacy according to established laws governing pharmaceuticals and medical devices. This ensures that any medical marijuana product entering the Japanese market would meet stringent quality and performance standards comparable to other medicines. Such a framework is crucial for safeguarding public health and ensuring the reliability of treatments.
Harmonisation with International Standards

This recommendation reflects a move by Japan to align its drug laws with international norms regarding medicinal cannabis. While Japan has historically maintained very strict regulations against illicit substances, with only 1.4 per cent of its population reporting ever having used marijuana, this step acknowledges global trends. The committee noted that usage rates in Western countries range from 20 per cent to 40 per cent, suggesting a broader acceptance and integration of medical marijuana in therapeutic contexts elsewhere.
Application to Specific Treatments

The revision is particularly relevant for the use of cannabis-derived epilepsy medication, such as Epidiolex. This drug is currently undergoing clinical trials within Japan, and a revision of the current drug laws would be a necessary prerequisite for its potential approval and availability to patients. By establishing clear safety and efficacy criteria, Japan can facilitate access to such innovative treatments for conditions like epilepsy.

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What safety and efficacy criteria will apply to medical marijuana?

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