ICI-85966

ICI-85966 is a drug that was developed by Imperial Chemical Industries (ICI) and is known for its analgesic properties. It is a kappa opioid receptor agonist, which means it binds to and activates the kappa opioid receptors in the brain and spinal cord, leading to pain relief.

History

ICI-85966 was developed by the British company Imperial Chemical Industries in the late 20th century. The company, now known as AstraZeneca, has a long history of developing innovative drugs for a variety of medical conditions.

Mechanism of Action

As a kappa opioid receptor agonist, ICI-85966 works by binding to and activating the kappa opioid receptors in the brain and spinal cord. This activation inhibits the release of substance P, a neurotransmitter involved in pain transmission, thereby reducing the perception of pain.

Clinical Use

While ICI-85966 has demonstrated analgesic properties, its use in clinical practice is limited due to its potential for causing dysphoria, a state of unease or dissatisfaction. This is a common side effect of kappa opioid receptor agonists.

Side Effects

The most common side effect of ICI-85966 is dysphoria. Other potential side effects include sedation, nausea, and vomiting. These side effects are generally dose-dependent and may be more pronounced in individuals who are opioid-naive.

See Also

• Imperial Chemical Industries
• Kappa opioid receptor
• Analgesic
• Dysphoria

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