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EU OKs Lundbeck’s Selincro, Nalmefene to cut alcoholic urges

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Nalmefene

17-cyclopropylmethyl-4,5α-epoxy-6-methylenemorphinan-3,14-diol

march 1 2013

Lundbeck will be celebrating news that European regulators have issued a green light for Selincro, making it the first therapy approved for the reduction of alcohol consumption in dependent adults.

Selincro (nalmefene) is a unique dual-acting opioid system modulator that acts on the brain’s motivational system, which is dysregulated in patients with alcohol dependence.

The once daily pill has been developed to be taken on days when an alcoholic feels at greater risk of having a drink, in a strategy that aims to reduce – rather than stop – alcohol consumption, which some experts believe is a more realistic goal.

Clinical trials of the drug have shown that it can reduce alcohol consumption by approximately 60% after six months treatment, equating to an average reduction of nearly one bottle of wine per day.

In March last year, data was published from two Phase III trials, ESENSE 1 and ESENSE 2, showing that the mean number of heavy drinking days decreased from 19 to 7 days/month and 20 to 7 days/month, while TAC fell from 85 to 43g/day and from 93 to 30g/day at month six. However, the placebo effect was also strong in the studies.

According to Anders Gersel Pedersen, Executive Vice President and Head of Research & Development at Lundbeck, Selincro “represents the first major innovation in the treatment of alcohol dependence in many years,” and he added that its approval “is exciting news for the many patients with alcohol dependence who otherwise may not seek treatment”.

Alcohol dependence is considered a major public health concern, and yet it is both underdiagnosed and undertreated, highlighting the urgent need for better management of the condition.

In Europe, more than 90% of the 14 million patients with alcohol dependence are not receiving treatment, but research suggests that treating just 40% of these would save 11,700 lives each year.

The Danish firm said it expects to launch Selincro in its first markets in mid-2013, and that it will provide the drug as part of “a new treatment concept that includes continuous psychosocial support focused on the reduction of alcohol consumption and treatment adherence”.

Nalmefene (Revex), originally known as nalmetrene, is an opioid receptor antagonistdeveloped in the early 1970s, and used primarily in the management of alcoholdependence, and also has been investigated for the treatment of other addictions such aspathological gambling and addiction to shopping.

Nalmefene is an opiate derivative similar in both structure and activity to the opiate antagonist naltrexone. Advantages of nalmefene relative to naltrexone include longer half-life, greater oral bioavailability and no observed dose-dependent liver toxicity. As with other drugs of this type, nalmefene can precipitate acute withdrawal symptoms in patients who are dependent on opioid drugs, or more rarely when used post-operatively to counteract the effects of strong opioids used in surgery.

Nalmefene differs from naltrexone by substitution of the ketone group at the 6-position of naltrexone with a methylene group (CH2), which considerably increases binding affinity to the μ-opioid receptor. Nalmefene also has high affinity for the other opioid receptors, and is known as a “universal antagonist” for its ability to block all three.

  1. US patent 3814768, Jack Fishman et al, “6-METHYLENE-6-DESOXY DIHYDRO MORPHINE AND CODEINE DERIVATIVES AND PHARMACEUTICALLY ACCEPTABLE SALTS”, published 1971-11-26, issued 1974-06-04
  2.  Barbara J. Mason, Fernando R. Salvato, Lauren D. Williams, Eva C. Ritvo, Robert B. Cutler (August 1999). “A Double-blind, Placebo-Controlled Study of Oral Nalmefene for Alcohol Dependence”Arch Gen Psychiatry 56 (8): 719.
  3.  Clinical Trial Of Nalmefene In The Treatment Of Pathological Gambling
  4.  http://www.fda.gov/cder/foi/label/2000/20459S2lbl.pdf
  5. “Efficacy of Nalmefene in Patients With Alcohol Dependence (ESENSE1)”“Lundbeck submits Selincro in EU; Novo Nordisk files Degludec in Japan”. thepharmaletter. 22 December 2011.
  6. Nalmefene Hydrochloride Drug Information, Professional

4 Comments

  1. chloe says:

    Where can i get Nalmefene from?? I live in South Africa and need it for my mom?

    • Gladwin says:

      Hi there!

      The medication you having to reduce alcohol seems to be working good. My question is where can I find it in South Africa since I am suffering from alcohol I want to quit. I can be highly glad if I can be assisted in this matter.
      Thank you
      kind regards
      gladwin

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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 year tenure till date Dec 2017, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 50 Lakh plus views on dozen plus blogs, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 19 lakh plus views on New Drug Approvals Blog in 216 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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