Talk:Paliperidone
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Paliperidone is the brand name of an extended release formula of the longer acting 9-hydroxy metabolite of the antipsychotic known as Risperidone. Since some of the activity of risperidone is due to this active metabolite, one would expect there to be many similarities in effiacy and adverse effects between risperidone and paliperidone. Since it is a new and unique compound, it is still given patent protection. It is unclear as of yet what advantages, if any, it has over the parent compound. Since some of the effects of risperidone are due to the actual "parent" drug, there may be some differences between the two drugs but it is unclear as of yet whether or not this is the case. It is due to be released by or in early 2007.
Paliperidone is the major active metabolite of risperidone, it is differentiated from risperidone by the addition of one hydroxy group. It is certainly going to be licenced/marketed as a different drug and will nicely provide Janssen with a patented drug once Risperdal loses its. Colin°Talk 20:18, 4 June 2006 (UTC)
That's a common enough technique for trying to extend patent protection. If we are sure the drug is confirmed then I guess it can have its own page; it needs the info box with the proper structure and prominent links to risperidone. However, since all the prescribing and side-effect info will the same at least for a few years (until and if paliperidone turns out to have different effects when its in wide use) it would still also make sense to keep it in one article. I guess I could go either way. Thatcher131 05:30, 5 June 2006 (UTC)
can any1 tell me y paliperidone is developed as using OROS tech? Amit Gupta amitopgupta@gmail.com
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[edit] Paliperidone vs. Risperidone
Not that I have any medical credentials, but I have read that risperidone metabolizes into a number of non-paliperidone components which could potentially cause side-effects. By taking paliperidone such side-effects would be avoided. It might be safe to say that paliperidone is a "purified" risperidone.
72.192.204.89 01:37, 15 August 2007 (UTC)
[edit] Rumor
I was told Invega was a reverse isotope of Risperidone (sold as Riperdol 2) ;) I bet my doctor was wrong. Yeah, I took it. —Preceding unsigned comment added by 72.23.108.110 (talk) 07:51, 21 November 2007 (UTC)
[edit] Structure and name are lacking a stereocenter
I believe the name is: (9R)-3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)-1-piperidyl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[2,1-b]pyrimidin-4-one and the structure should be reflected to display that. See the molecule here: http://www.chemspider.com/Chemical-Structure.7978307.html —Preceding unsigned comment added by ChemSpiderMan (talk • contribs) 03:28, 22 May 2008 (UTC)
- Will fix this as soon as I get to my main computer (i.e. the one with ChemSketch :) Fvasconcellos (t·c) 17:02, 25 May 2008 (UTC)
- Done. Fvasconcellos (t·c) 14:34, 29 May 2008 (UTC)
[edit] Possible copyright violation
At this version, the page is very similar to the link given at the bottom: http://www.prescribingreference.com/products/showProducts/which/Invega, for which what appears to be a privately held company holds a copyright. (See the section on Adverse Reactions.) modify 03:34, 22 May 2008 (UTC)
- Removed. Since it was accurate information, it should be reworded and returned to the article eventually. Fvasconcellos (t·c) 17:09, 25 May 2008 (UTC)
