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#1 2008-09-22 08:42:32

docalex
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High Dose Transdermal Buprenorphine for Pain

High Dose Transdermal Buprenorphine for Moderate to Severe Pain in Spanish Pain Centres—A Retrospective Multicenter Safety and Efficacy Study; Barutell, Gonzalez-Escalada, and Rodriguez; Pain Practice; 8(5): 355-361; 2008. Abstract, brief discussion, and links to related articles. This post on War on Docs/Pain Crisis blog



See also: "TD Buprenorphine for Everything and Everyone" - Drew Rosielle, Pallimed blog; 2008-07-17 (Note also the Comments)
and,
Clinical Update on the Pharmacology, Efficacy, and Safety of Transdermal Buprenorphine - H.R. Kress; European Journal of Pain, 2008.



Brief Comment (Abstract below)

Transdermal buprenorphine isn’t even available in the US, though I believe it has become the most widely used opioid for the treatment of chronic moderate-to-severe pain in Europe. Meanwhile, in the US buprenorphine has become associated with the outpatient treatment of heroin and other opioid abuse, which seems to have caused pharmacists and physicians nationwide to have become ’struck stupid,’ regarding everything to do with buprenorphine, and confusion reigns regarding the labeling of the sublingual (Subutex) versus the labeling for the identical molecule in ampule form (Buprenex), and about what licensing and regulator rules apply to what physicians depending on the purpose for which it is being prescribed.

What a mess! And an interesting example of the distortion of medical and pharmacy practice by drug war imperatives applied against the professions through misguided laws and regs. For an interesting discussion of some of these issues, I recommend a blog essay and ensuing Comments, also linked to above, “TD Buprenorphine for Everything and Everyone” - Pallimed blog- July 2008, which presents and discusses another very large European review of buprenorphine for chronic pain, Clinical Update on... Transdermal Buprenorphine  ..alex…



Abstract:
High Dose Transdermal Buprenorphine for Moderate to Severe Pain in Spanish Pain Centres—A Retrospective Multicenter Safety and Efficacy Study - Barutell et. al; Pain Practice, 8(5), 2008

Obectives: To assess the effectiveness of transdermal buprenorphine in patients suffering from moderate to severe pain. Secondary objectives included gathering information about the causes of pain, management of episodic pain, and the safety profile.

Methods: Retrospective data were collected from 1,465 patients with moderate to severe pain, ie, ?50 mm on a 0 to 100 mm visual analog scale (VAS), that were switched to transdermal buprenorphine, and received a dose ?52.5 ?g/hour for at least 14 days during the previous 12 months. Pain could have any etiology. Most patients (72.1%) were on tramadol and/or paracetamol (40.7%) before switching to buprenorphine. Using case report forms, efficacy was determined from changes in VAS score compared with 24 hours prior to the first patch application. Safety was evaluated by retrieving information about the nature and incidence of adverse events (AE), whether they were related to the study compound, and the percentage considered being serious.

Results: An absolute reduction of 25.1 points in VAS score was seen over a median period of 3.7 months treatment. In addition, the VAS score was reduced by at least 10% in 88.4% of patients and the incidence of episodic pain fell significantly. Treatment was rated as “Good” or “Very Good” by 82.5% of patients. Out of 1,465 patients, 50.2% experienced an AE; this was related to the drug in 48.8%, and considered serious in 4.0%.

Conclusions: Transdermal buprenorphine was an effective and considerably safe drug for relieving chronic moderate to severe pain.
[END]


..alex...
Alex DeLuca, M.D., MPH
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#2 2008-09-22 16:10:06

John
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Re: High Dose Transdermal Buprenorphine for Pain

Hey Doc;

As an aside, I'm now more confused then ever regarding Bup.
1 - CAN it be used in conjunction w/full agonists' [Morphine]? or does  it bring-on imm. w/d's?
2 - what resources, other than traditional detox and rehab, are available to the now large and growing population of ppl. adding what they thought of as a "silver bullett" to their list of addictions?
3 - Are there any studies proving "no ceiling effect w/analgesia"?

Thanks,
John


"Those that forget the past are condemned to re-live it"

"In a time of universal deceit, telling the
truth becomes a revolutionary act"

 

 
 
 

#3 2008-09-22 18:59:47

docalex
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Re: High Dose Transdermal Buprenorphine for Pain

John wrote:

Hey Doc;

As an aside, I'm now more confused then ever regarding Bup.
1 - CAN it be used in conjunction w/full agonists' [Morphine]? or does  it bring-on imm. w/d's?
2 - what resources, other than traditional detox and rehab, are available to the now large and growing population of ppl. adding what they thought of as a "silver bullett" to their list of addictions?
3 - Are there any studies proving "no ceiling effect w/analgesia"?

Thanks,
John

1. The Europeans say Yes and No, respectively. And they are amassing a huge experience treating chronic pain with bup while we have almost none.

2. Well, you make it sound like people have been duped. Substitution therapy is very highly successful for the treatment of opioid addiction, especially in motivated people. Outpatient buprenorphine just adds needed services to MMTP. Will opioid substitution therapy stop one from choosing to drink to excess, gamble, drop out on his/her family? Nope. The light bulb has to want to change. (How many psychiatrists does it take to change a light bulb? Only one, but the light bulb has to want to change.) Most MMTP and OBOT programs make an attempt at more comprehensive substance abuse services, by reg. The quality of these surely varies highly. The major problem with substitution therapy is that there is not enough of it, and people don't stay on it long enough to get otherwise straightened out. Substitution therapy is stabilizing and very safe compared to any other chronic prescription medication I can think of, and can be very helpful to people who want to rebuild their lives. And bup is an excellent treatment for chronic pain to boot! And bup had positive benefits over pure mu agonists for both addiction therapy and pain therapy. Hey, this research is good news.

But I understand that substitution therapy with methadone and now with buprenorphine is controversial. And I have major problems with the stifling regulation which surrounds them which degrades what should be, at core, a real doctor-patient relationship. Detox services are not very rare, and vary from outpatient procedures to "ultra-rapid" procedures under partial anesthesia , to short inpatient tapers, and all sorts of drugs can be used, and people can choose to end up on blocking agents if they want, and so on. If interested in detox, that is what I have most experience in in my career. And I've written more than a little in years past which is available. Suggest searching from google search box at upper right of right sidebar on every page of the War on Docs/Pain Crisis blog - the search will default to all of doctordeluca.com and find the older detox pages.

3. I am sure there are. I do not have the full text of these articles. If you go to the links provided to the actual official abstracts, often they make the References available, which you could then browse. Or just search from the Pubmed interface. Let me know what you find out. I'd love to get full text of these articles which would make it easy to track down the references to answer your excellent question. Let me ask my spys (docs still attached to major med centers with online medical libraries - damn I miss that access!). If I find out anything, John, I'll get back too (just not sure when I'll get to that)

Thanks John,

..alex...

..alex...


..alex...
Alex DeLuca, M.D., MPH
Senior Consultant, PRN

doctordeluca@painreliefnetwork.org

 

 
 
 

#4 2008-09-23 18:37:34

docalex
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Re: High Dose Transdermal Buprenorphine for Pain

Hi John,

If you scroll down a bit in this Topic:

http://www.painreliefnetwork.org/forum/viewtopic.php?pid=14756

You'll find a fairly recent discussion about buprenorphine versus stadol and the very confusing term: "partial opioid agonist," and like that.

Given your comments, I think you'll find it interesting (if you're not already familiar with it).


..alex...
Alex DeLuca, M.D., MPH
Senior Consultant, PRN

doctordeluca@painreliefnetwork.org

 

 
 
 

 

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