Orvepitant: Difference between revisions

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'''Orvepitant''' is a [[drug]] that is used in the treatment of [[depression]] and [[anxiety]]. It is a [[neurokinin 1 receptor]] antagonist, which means it works by blocking the action of a chemical in the brain called [[substance P]]. This chemical is involved in transmitting pain signals to the brain, and by blocking its action, orvepitant can help to reduce feelings of pain and discomfort.
== Orvepitant ==


Orvepitant was developed by the pharmaceutical company [[GlaxoSmithKline]], and it is currently in the late stages of clinical trials. It has shown promise in treating a variety of conditions, including [[major depressive disorder]], [[generalized anxiety disorder]], and [[post-traumatic stress disorder]].
[[File:Orvepitant_structure.png|thumb|right|Chemical structure of Orvepitant]]
 
'''Orvepitant''' is a [[neurokinin-1 receptor antagonist]] that has been investigated for its potential therapeutic effects in various conditions, including [[chronic cough]], [[depression]], and [[post-traumatic stress disorder]] (PTSD). It is a small molecule drug that works by blocking the action of [[substance P]], a neuropeptide involved in the transmission of pain and other sensory signals.


== Mechanism of Action ==
== Mechanism of Action ==


Orvepitant works by blocking the action of substance P, a chemical in the brain that is involved in transmitting pain signals. Substance P is a [[neuropeptide]], which means it is a small protein-like molecule used by nerve cells to communicate with each other. It is found in high concentrations in the brain and spinal cord, and it is involved in many bodily functions, including pain perception and the regulation of mood.
Orvepitant functions as an antagonist at the [[neurokinin-1 receptor]] (NK1R), which is a receptor for [[substance P]]. By inhibiting the binding of substance P to NK1R, orvepitant can modulate the [[central nervous system]]'s response to stress and pain. This mechanism is thought to underlie its potential therapeutic effects in conditions like [[depression]] and [[anxiety disorders]].
 
== Clinical Applications ==
 
=== Chronic Cough ===
Orvepitant has been studied for its efficacy in treating [[chronic cough]], a condition characterized by a persistent cough lasting more than eight weeks. The drug's ability to block substance P is believed to reduce the cough reflex, providing relief to patients.
 
=== Depression ===
In the context of [[depression]], orvepitant's role as a neurokinin-1 receptor antagonist may help alleviate symptoms by modulating the [[neurotransmitter]] systems involved in mood regulation. Studies have explored its use as an adjunctive treatment to enhance the effects of traditional [[antidepressants]].


By blocking the action of substance P, orvepitant can help to reduce feelings of pain and discomfort. This makes it potentially useful in treating a variety of conditions, including depression, anxiety, and post-traumatic stress disorder.
=== Post-Traumatic Stress Disorder ===
Orvepitant has also been investigated for its potential benefits in treating [[post-traumatic stress disorder]] (PTSD). By dampening the stress response mediated by substance P, orvepitant may help reduce the severity of PTSD symptoms.


== Clinical Trials ==
== Pharmacokinetics ==


Orvepitant is currently in the late stages of clinical trials. These trials are designed to test the safety and effectiveness of the drug in treating various conditions. So far, the results have been promising. In studies of patients with major depressive disorder, orvepitant has been shown to significantly reduce symptoms compared to a placebo. Similar results have been seen in studies of patients with generalized anxiety disorder and post-traumatic stress disorder.
Orvepitant is administered orally and undergoes [[hepatic metabolism]]. Its pharmacokinetic profile includes a moderate half-life, allowing for once-daily dosing in clinical settings. The drug is primarily excreted via the [[renal]] and [[biliary]] systems.


== Side Effects ==
== Safety and Tolerability ==


Like all drugs, orvepitant can cause side effects. The most common side effects reported in clinical trials include [[nausea]], [[vomiting]], and [[dizziness]]. Less common side effects include [[headache]], [[insomnia]], and [[diarrhea]]. In most cases, these side effects are mild and go away on their own without treatment.
In clinical trials, orvepitant has been generally well-tolerated. Common side effects include [[nausea]], [[dizziness]], and [[headache]]. Serious adverse effects are rare but may include [[allergic reactions]] and [[liver enzyme]] elevations.


== See Also ==
== Research and Development ==


* [[Neurokinin 1 receptor antagonists]]
Orvepitant is still under investigation, with ongoing studies aimed at better understanding its efficacy and safety profile across different patient populations. Its development reflects a broader interest in targeting the neurokinin-1 receptor for various [[neuropsychiatric disorders]].
 
== Related Pages ==
* [[Neurokinin-1 receptor antagonist]]
* [[Substance P]]
* [[Substance P]]
* [[Major depressive disorder]]
* [[Chronic cough]]
* [[Generalized anxiety disorder]]
* [[Depression]]
* [[Post-traumatic stress disorder]]
* [[Post-traumatic stress disorder]]


[[Category:Drugs]]
[[Category:Pharmacology]]
[[Category:Depression]]
[[Category:Neurokinin-1 receptor antagonists]]
[[Category:Anxiety]]
[[Category:Post-traumatic stress disorder]]
 
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Latest revision as of 11:16, 15 February 2025

Orvepitant[edit]

Chemical structure of Orvepitant

Orvepitant is a neurokinin-1 receptor antagonist that has been investigated for its potential therapeutic effects in various conditions, including chronic cough, depression, and post-traumatic stress disorder (PTSD). It is a small molecule drug that works by blocking the action of substance P, a neuropeptide involved in the transmission of pain and other sensory signals.

Mechanism of Action[edit]

Orvepitant functions as an antagonist at the neurokinin-1 receptor (NK1R), which is a receptor for substance P. By inhibiting the binding of substance P to NK1R, orvepitant can modulate the central nervous system's response to stress and pain. This mechanism is thought to underlie its potential therapeutic effects in conditions like depression and anxiety disorders.

Clinical Applications[edit]

Chronic Cough[edit]

Orvepitant has been studied for its efficacy in treating chronic cough, a condition characterized by a persistent cough lasting more than eight weeks. The drug's ability to block substance P is believed to reduce the cough reflex, providing relief to patients.

Depression[edit]

In the context of depression, orvepitant's role as a neurokinin-1 receptor antagonist may help alleviate symptoms by modulating the neurotransmitter systems involved in mood regulation. Studies have explored its use as an adjunctive treatment to enhance the effects of traditional antidepressants.

Post-Traumatic Stress Disorder[edit]

Orvepitant has also been investigated for its potential benefits in treating post-traumatic stress disorder (PTSD). By dampening the stress response mediated by substance P, orvepitant may help reduce the severity of PTSD symptoms.

Pharmacokinetics[edit]

Orvepitant is administered orally and undergoes hepatic metabolism. Its pharmacokinetic profile includes a moderate half-life, allowing for once-daily dosing in clinical settings. The drug is primarily excreted via the renal and biliary systems.

Safety and Tolerability[edit]

In clinical trials, orvepitant has been generally well-tolerated. Common side effects include nausea, dizziness, and headache. Serious adverse effects are rare but may include allergic reactions and liver enzyme elevations.

Research and Development[edit]

Orvepitant is still under investigation, with ongoing studies aimed at better understanding its efficacy and safety profile across different patient populations. Its development reflects a broader interest in targeting the neurokinin-1 receptor for various neuropsychiatric disorders.

Related Pages[edit]