Re: [CMLHope] Gleevec Interactions
Thank you very much for the information. My son has dermatofibrosarcoma and needs gleevec badlly. We are at civil war and unable to reach this medecine. I kindly as each of of the group to help us get some gleevec leftovers from people who do not need the stock thy have any more. Pls circulate and help. Kind regards Marwan Abdeh Damascus/Syria.k On 02/02/2013, Marty Gartenberg wrote: > I did some research and here is what I found out about what to avoid while > taking Gleevec. Please remember that I have never been on any TKI's because > I had a bone marrow transplant many years ago. I just do a lot of research. > > Hopefully this will be able to help you, and others as well. > > Gleevec Interactions > GLEEVEC IS METABOLIZED IN THE LIVER BY CYP3A4. This is the basis > for most interactions, if CYP3A4 is affected by other drugs or foods. A > pharmacist can use computer programs available to pharmacists to check > whether other drugs would interact with Gleevec. > The NCCN Task Force Report on GIST Management includes a table of Gleevec > interactions on pages S12-S13. Download > the pdf at the above link to read this. This table does not name every > possible interaction. > The Gleevec prescribing information from Novartis also details some > interactions. Go to Gleevec.com and click "prescribing information" at the > top of the screen. > > > > GRAPEFRUIT, POMEGRANATE, OTHER CITRUS FRUIT > Due to the metabolism of Gleevec, Novartis recommends that grapefruit and > grapefruit juice be avoided by patients taking Gleevec. > The new NCCN Task Force Report mentions grapefruit juice and > names a quantity of 200-250 ml as increasing blood levels of Gleevec. > That is over 3/4 cup of juice. A smaller quantity might not raise > Gleevec levels much. > Grapefruit juice INHIBITS the liver enzyme (CYP3A4) that > processes Gleevec. If you eat a lot of grapefruit then Gleevec stays in > your blood LONGER. It does not decrease the effectiveness of Gleevec, > as it raises the blood levels of Gleevec. This could potentially > increase side effects. However, if you have no trouble with side > effects, then it would not seem that popping the occasional strawberry, > grapefruit section, or 1/4 cup of pomegranate juice would hurt... > Tangelos are a hybrid of grapefruit and mandarin orange: Some > doctors say to stay away from Tangelos. There have been several > studies, one being the USDA Agricultural Research Service, "have so > far shown that unlike grapefruit, interactions with STATINS are not > likely with tangelos, even though it is derived from a grapefruit > crossed with a tangerine. This is apparently because the furocoumarins > in grapefruit are not expressed in tangelo. " > http://www.ars.usda.gov/research/publications/publications.htm?seq_no_115=175058 > POMEGRANATE juice also affects CYP3A, but not in exactly the same way as > grapefruit. For some medical papers discussing pomegranate > efects on drug disposition see this PubMed search. > > > ST. JOHN'S WORT > ON THE OTHER HAND, St. John's wort does the opposite, increasing > enzyme activity to get Gleevec out of the body faster. Therefore, it is a > clear no-no since it decreases blood levels of Gleevec, thereby > decreasing the drug's effectiveness. > > > STATIN DRUGS > Gleevec raises the level of statins in the blood. Patients who take > statins with Gleevec need to be very cautious, as very serious side > effects such as muscle damage (rhabdomyolysis) may result from excess > statins. Statin dose should be reduced when taking Gleevec. Discuss > this with your pharmacist and doctors. > > > MILK THISTLE > Caution! Milk thistle decreases the activity of CYP3A4, which is the major > enzyme responsible for the metabolism of Gleevec and Sutent. DO > NOT take milk thistle while on these drugs and check with your doctor if on > other drugs. > > -- > -- > [CMLHope] > A support group of http://cmlhope.com > - > > You received this message because you are subscribed to the Google Groups > "CMLHope" group. > To post to this group, send email to CMLHope@googlegroups.com > To unsubscribe from this group, send email to > cmlhope-unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/CMLHope > --- > You received this message because you are subscribed to the Google Groups > "CMLHope" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to cmlhope+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- [CMLHope] A support group of http://cmlhope.com - You received this message because you are subscribed to the Google Groups "CMLHope" group. To post to this group, send email to CMLHope@googlegroups.com To un
[CMLHope] Gleevec Interactions
I did some research and here is what I found out about what to avoid while taking Gleevec. Please remember that I have never been on any TKI's because I had a bone marrow transplant many years ago. I just do a lot of research. Hopefully this will be able to help you, and others as well. Gleevec Interactions GLEEVEC IS METABOLIZED IN THE LIVER BY CYP3A4. This is the basis for most interactions, if CYP3A4 is affected by other drugs or foods. A pharmacist can use computer programs available to pharmacists to check whether other drugs would interact with Gleevec. The NCCN Task Force Report on GIST Management includes a table of Gleevec interactions on pages S12-S13. Download the pdf at the above link to read this. This table does not name every possible interaction. The Gleevec prescribing information from Novartis also details some interactions. Go to Gleevec.com and click "prescribing information" at the top of the screen. GRAPEFRUIT, POMEGRANATE, OTHER CITRUS FRUIT Due to the metabolism of Gleevec, Novartis recommends that grapefruit and grapefruit juice be avoided by patients taking Gleevec. The new NCCN Task Force Report mentions grapefruit juice and names a quantity of 200-250 ml as increasing blood levels of Gleevec. That is over 3/4 cup of juice. A smaller quantity might not raise Gleevec levels much. Grapefruit juice INHIBITS the liver enzyme (CYP3A4) that processes Gleevec. If you eat a lot of grapefruit then Gleevec stays in your blood LONGER. It does not decrease the effectiveness of Gleevec, as it raises the blood levels of Gleevec. This could potentially increase side effects. However, if you have no trouble with side effects, then it would not seem that popping the occasional strawberry, grapefruit section, or 1/4 cup of pomegranate juice would hurt... Tangelos are a hybrid of grapefruit and mandarin orange: Some doctors say to stay away from Tangelos. There have been several studies, one being the USDA Agricultural Research Service, "have so far shown that unlike grapefruit, interactions with STATINS are not likely with tangelos, even though it is derived from a grapefruit crossed with a tangerine. This is apparently because the furocoumarins in grapefruit are not expressed in tangelo. " http://www.ars.usda.gov/research/publications/publications.htm?seq_no_115=175058 POMEGRANATE juice also affects CYP3A, but not in exactly the same way as grapefruit. For some medical papers discussing pomegranate efects on drug disposition see this PubMed search. ST. JOHN'S WORT ON THE OTHER HAND, St. John's wort does the opposite, increasing enzyme activity to get Gleevec out of the body faster. Therefore, it is a clear no-no since it decreases blood levels of Gleevec, thereby decreasing the drug's effectiveness. STATIN DRUGS Gleevec raises the level of statins in the blood. Patients who take statins with Gleevec need to be very cautious, as very serious side effects such as muscle damage (rhabdomyolysis) may result from excess statins. Statin dose should be reduced when taking Gleevec. Discuss this with your pharmacist and doctors. MILK THISTLE Caution! Milk thistle decreases the activity of CYP3A4, which is the major enzyme responsible for the metabolism of Gleevec and Sutent. DO NOT take milk thistle while on these drugs and check with your doctor if on other drugs. -- -- [CMLHope] A support group of http://cmlhope.com - You received this message because you are subscribed to the Google Groups "CMLHope" group. To post to this group, send email to CMLHope@googlegroups.com To unsubscribe from this group, send email to cmlhope-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/CMLHope --- You received this message because you are subscribed to the Google Groups "CMLHope" group. To unsubscribe from this group and stop receiving emails from it, send an email to cmlhope+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
[CMLHope] gleevec interactions
I post these from time-to-time Patrick drugs.com's gleevec interaction info http://www.drugs.com/drug-interactions/imatinib,gleevec.html# and now it apeears you have to create a free account on medscape to access their interactive drug interaction checker http://www.medscape.com/druginfo/druginterchecker?src=ads --- On Wed, 2/10/10, cliff wrote: Has anyone heard about any side effects or drug interactions when taking lipitor while on gleevec? -- [CMLHope] A support group of http://cmlhope.com - You received this message because you are subscribed to the Google Groups "CMLHope" group. To post to this group, send email to CMLHope@googlegroups.com To unsubscribe from this group, send email to cmlhope-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/CMLHope
[CMLHope] gleevec/interactions
Hi all, On the subject of drug-drug interactions with Gleevec... I have been in the zero club for five years now though it took me two full years to get there - one on interferon and another in the Gleevec trials. My policy has been to take Gleevec with a good sized breakfast, and no other medicines or supplements at the same time. All other meds and supplements are taken at other times of the day, at least 2 hours later. If I need to take another medicine at breakfast, I move the Gleevec to lunch temporarily and still take Gleevec alone. This method has served me very well...my PCRs are consistently in the "so small you can't measure it" range, and I rarely have any GI upset from Gleevec. Cheers, Cindy Lewis dx 11/99, zero club #190, 600 mg Gleevec Cindy Lewis [EMAIL PROTECTED] - Everyone is raving about the all-new Yahoo! Mail beta. --~--~-~--~~~---~--~~ [CMLHope] A support group of http://cmlhope.com - You received this message because you are subscribed to the Google Groups "CMLHope" group. To post to this group, send email to CMLHope@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/CMLHope -~--~~~~--~~--~--~---
