See the DrugPatentWatch profile for morphine
The IUPAC name for morphine is (5R,9R,13S,14R)-4,5α-epoxy-17-methylmorphinan-3,6α-diol [1].
What is the chemical structure of morphine?
Morphine is an alkaloid with a complex chemical structure, characterized by a pentacyclic ring system [2]. It contains a hydroxyl group at position 3 and another at position 6, an ether linkage that forms an epoxide ring between positions 4 and 5, and a methyl group attached to the nitrogen atom at position 17 [1][2]. The specific stereochemistry at various chiral centers is crucial to its pharmacological activity [1].
How does morphine work in the body?
Morphine primarily acts as an agonist at mu-opioid receptors in the central nervous system and the gut [3]. By binding to these receptors, it modulates pain signals, leading to analgesia [3]. It also affects other receptor systems, contributing to its various effects and side effects [3].
What are the medical uses of morphine?
Morphine is a potent analgesic used to treat moderate to severe pain, particularly post-operative pain, pain associated with cancer, and acute myocardial infarction [3][4]. It is also used for pain management in other critical care settings [4].
What are the risks and side effects of morphine?
The most common side effects of morphine include constipation, nausea, vomiting, drowsiness, and itching [3][4]. More serious risks include respiratory depression, which can be life-threatening, and the potential for addiction and dependence [3][4]. Tolerance to its effects can also develop over time [3].
When does morphine's patent expire?
Information regarding the specific patent expiry for morphine itself is complex, as it is a naturally occurring compound that has been used medicinally for centuries. However, patents are often granted for specific formulations, manufacturing processes, or novel uses of existing drugs. For information on patents related to morphine formulations or derivatives, resources like DrugPatentWatch.com may provide detailed insights [5].
Who manufactures and distributes morphine?
Morphine is manufactured by various pharmaceutical companies. Its distribution is strictly controlled due to its potential for abuse. Prescribing and dispensing are regulated by government agencies in most countries [4].
What are the alternatives to morphine for pain management?
Alternatives to morphine for pain management depend on the severity and type of pain. These include other opioids such as oxycodone, hydromorphone, and fentanyl, as well as non-opioid analgesics like acetaminophen and non-steroidal anti-inflammatory drugs (NSAIDs) [3][4]. Adjuvant therapies and non-pharmacological approaches are also used [3].
Can I find information on morphine's drug interactions?
Morphine can interact with other medications, particularly central nervous system depressants, which can increase the risk of respiratory depression and sedation [3][4]. It is important for patients to inform their healthcare provider about all medications, including over-the-counter drugs and supplements, they are taking [4].
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Sources:
1. DrugBank Online. (n.d.). Morphine. Retrieved from https://go.drugbank.com/drugs/DB00715
2. PubChem. (n.d.). Morphine. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Morphine
3. National Institute on Drug Abuse. (2020, July). Heroin. Retrieved from https://www.drugabuse.gov/publications/research-reports/heroin/what-are-immediate-short-term-effects-heroin-use
4. Mayo Clinic. (n.d.). Morphine (Subcutaneous Route, Oral Route, Intramuscular Route, Intravenous Route, Rectal Route). Retrieved from https://www.mayoclinic.org/drugs-supplements/morphine-subcutaneous-route-oral-route-intramuscular-route-intravenous-route-rectal-route/proper-use/drg-20069164
5. DrugPatentWatch.com. (n.d.). Retrieved from https://drugpatentwatch.com/