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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 AFRICURE PHARMA, ROW2TECH, NIPER-G, CLEANCHEM LABS as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 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, 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 32 PLUS year tenure till date Feb 2023, 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 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 38 lakh plus views on New Drug Approvals Blog in 227 countries...... , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc He has total of 32 International and Indian awards

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Merck’s New Drug Application for an Investigational Intravenous (IV) Formulation of NOXAFIL® (posaconazole) Receives FDA Priority Review

Posaconazole,  SCH 56592, Noxafil (Schering-Plough)

Posaconazole is a triazole antifungal drug that is used to treat invasive infections by Candida species and Aspergillus species in severely immunocompromised patients.

For prophylaxis of invasive Aspergillus and Candida infections in patients, 13 years of age and older, who are at high risk of developing these infections due to being severely immunocompromised as a result of procedures such as hematopoietic stem cell transplant (HSCT) recipients with graft-versus-host disease (GVHD), or due to hematologic malignancies with prolonged neutropenia from chemotherapy. Also for the treatment of oropharyngeal candidiasis, including oropharyngeal candidiasis refractory to itraconazole and/or fluconazole. Posaconazole is used as an alternative treatment for invasive aspergillosis, Fusarium infections, and zygomycosis in patients who are intolerant of, or whose disease is refractory to, other antifungals

Posaconazole is designated chemically as 4-[4-[4-[4-[[ (3R,5R)-5- (2,4-difluorophenyl)tetrahydro-5-(1H-1,2,4-triazol-1 -ylmethyl)-3-furanyl]methoxy]phenyl]-1 -piperazinyl]phenyl]-2-[ (1S,2S)-1 -ethyl-2- hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazol-3-one with an empirical formula of C37H42F2N8O4 and a molecular weight of 700.8.

Posaconazole is used, for example, to prevent and/or treat invasive fungal infections caused by Candida species, Mucor species, Aspergillus species,Fusarium species, or Coccidioides species in immunocompromised patients and/or in patients where the disease is refractory to other antifungal agents such as amphothericin B, fluconazole, or itraconazole, and/or in patients who do not tolerate these antifungal agents.

CAS No. 171228-49-2

Posaconazole compounds have been described inU.S. Pat. Appl. No. 2003/0055067 for “Antifungal Composition with Enhanced Bioavailability,” U.S. Pat. Appl. No. 2004/0058974 for “Treating Fungal Infections,” and European Patent Publication1372394 (A1 ) for “Liquid Suspensions of Posaconazole (SCH 56592) with Enhanced Bioavailability for Treating Fungal Infections.”

Synonyms: Pcz;Pos;Noxafil;Sch 56592;Aids058495;Aids-058495;Posconazole;Posaconazole;Posaconazole for research;HYDROXYPROPYL]-2,4-DIHYDRO-3H-1,2,4-TRIAZOL-3-ONE
Molecular Formula: C37H42F2N8O4
Formula Weight: 700.78



Merck’s New Drug Application for an Investigational Intravenous (IV) Formulation of NOXAFIL® (posaconazole) Receives FDA Priority Review

Marketing Authorization Application also Filed with the European Medicines Agency

WHITEHOUSE STATION, N.J., Nov. 18, 2013–(BUSINESS WIRE)–Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced that its New Drug Application for an investigational intravenous (IV) solution formulation of the company’s antifungal agent, NOXAFIL® (posaconazole), has been accepted for priority review by the U.S. Food and Drug Administration (FDA).

Posaconazole (CAS Registry Number 171228-49-2; CAS Name: 2,5-anhydro-1 ,3,4-trideoxy-2- C-(2,4-difluorophenyl)-4-[[4-[4-[4-[1-[(1S,2S)-1-ethyl-2-hydroxypropyl]-1 ,5-dihydro-5-oxo-4H- 1 ,2,4-triazol-4-yl]phenyl]-1-piperazinyl]phenoxy]methyl]-1-(1 H-1 ,2,4-triazol-1-yl)-D-threo-pentitol) which is represented by the following general formula (I)

Figure imgf000002_0001


is known as an antifungal agent. It is available as an oral suspension (40 mg/ml) under the trademark NOXAFIL® from Schering Corporation, Kenilworth, NJ. WO95/17407 and WO 96/38443 disclose the compound having the general formula (I) and its use in treating fungal infections. Various pharmaceutical compositions comprising posaconazole and being adapted for oral, topical or parenteral use are described e.g. in WO 02/80678, U.S. Patent No. 5,972,381 , U.S. Patent No. 5,834,472, U.S. Patent No. 4,957,730 and WO 2005/117831. As was mentioned above, WO 95/17407 and WO 96/38443 disclose the compound having the general formula (I). However, during prosecution of the subsequently filed European patent application no. 98951994.7, now European patent EP 1 021 439 B1 , the applicant declared that the methods disclosed in these publications only lead to the compound of formula (I) as an amorphous solid.

Polymorphism is a phenomenon relating to the occurrence of different crystal forms for one molecule. There may be several different crystalline forms for the same molecule with distinct crystal structures and distinct and varying physical properties like melting point, XRPD pattern, IR-spectrum and solubility profile. These polymorphs are thus distinct solid forms which share the molecular formula of the compound from which the crystals are made up, however, they may have distinct advantageous physical properties which can have a direct effect on the ability to process and/or manufacture the drug product, like flowability, as well as physical properties such as solubility, stability and dissolution properties which can have a direct effect on drug product stability, solubility, dissolution, and bioavailability.

Three polymorphic forms of posaconazole designated as forms I, Il and III are described and characterized in WO 99/18097 (US-B-6,713,481 , US-B-6,958,337). Crystalline forms Il and III were found to be unstable under the conditions investigated, so that crystalline form I was considered to be useful in the development of a pharmaceutical product.

A. K. Saksena et al., WO 9517407eidemUS 5661151 (1995, 1997 both to Schering);

eidemTetrahedron Lett. 37, 5657 (1996).

SCH-56592, a novel orally active broad spectrum antifungal agent35th Intersci Conf Antimicrob Agents Chemother (Sept 17-20, San Francisco) 1995,Abst F61

seeSaksena, A.K.; Girijavallabhan, V.M.; Lovey, R.G.; Pike, R.E.; Wang, H.; Liu, Y.-T.; Ganguly, A.K.; Bennett, F. (Schering Corp.) EP 0736030; JP 1997500658; US 5661151; US 5703079; WO 9517407

Process for the preparation of triazolonesWO 9633178

Mono N-arylation of piperazine(III): Metal-catalyzed N-arylation and its application to the novel preparations of the antifungal posaconazole and its advanced intermediateTetrahedron Lett 2002,43(18),3359

Comparative antifungal spectrum: A. Cacciapuoti et al., Antimicrob. Agents Chemother. 44, 2017 (2000).

Pharmacokinetics, safety and tolerability: R. Courtney et al., ibid. 47, 2788 (2003).

HPLC determn in serum: H. Kim et al., J. Chromatogr. B 738, 93 (2000).

Review of development: A. K. Saksena et al. inAnti-Infectives: Recent Advances in Chemistry and Structure Activity Relationships (Royal Soc. Chem., Cambridge, 1997) pp 180-199; and clinical efficacy in fungal infections: R. Herbrecht, Int. J. Clin. Pract. 58, 612-624 (2004).

synthesis 1


Synthesis of intermediate (XX): The reaction of 2-chloro-2′,4′-difluoroacetophenone (I) with sodium acetate and NaI in DMF gives 2-acetoxy-2′,4′-difluoroacetophenone (II), which by methylenation with methyltriphenylphosphonium bromide and sodium bis(trimethylsilyl)amide in THF yields 2-(2,4-difluorophenyl)-2-propen-1-ol acetate ester (III). The hydrolysis of (III) with KOH in dioxane/water affords the corresponding alcohol (IV), which is regioselectively epoxidized with titanium tetraisopropoxide and L-(+)-diethyl tartrate in dichloromethane to (S)-(-)-2-(2,4-difluorophenyl)oxirane-2-methanol (V). The reaction of (V) with 1,2,4-triazole (VI) in DMF affords (R)-2-(2,4-difluorophenyl)-3-(1,2,4-triazol-1-yl)propane-1,2-diol (VII), which is selectively mesylated with methanesulfonyl chloride and triethylamine to the monomesylate (VIII). The cyclization of (VIII) with NaH in DMF gives the oxirane (IX), which is condensed with diethyl malonate (X) by means of NaH in DMSO to yield a mixture of (5R-cis)- and (5R-trans)-5-(2,4-difluorophenyl)-2-oxo-5-(1,2,4-triazol-1-ylmethyl) tetrahydrofuran-3-carboxylic acid ethyl ester (XI). The reduction of (XI) with NaBH4 and LiCl in ethanol affords (R)-4-(2,4-difluorophenyl)-2-(hydroxymethyl)-5-(1,2,4-triazol-1-yl) pentane-1,4-diol (XII), which is selectively tosylated with tosyl chloride and triethylamine in THF to the bistosylate (XIII). The cyclization of (XIII) by means of NaH in refluxing toluene gives (5R-cis)-5-(2,4-difluorophenyl)-5-(1,2,4-triazol-1-ylmethyl) tetrahydrofuran-3-methanol tosylate ester (XIV). The reaction of (XIV) with 1-(4-hydroxyphenyl)-4-(4-nitrophenyl)piperazine (XV) to obtain compound (XVI), and the following reaction sequence (XVI) to (XVII) to (XVIII) to (XIX) to (5R-cis)-4-[4-[4-[4-[5-(2,4-difluorophenyl)-5-(1,2,4-triazol-1-ylmethyl)tetrahydrofuran-3-ylmethoxy]phenyl]piperazin-1-yl]phenyl-3,4-dihydro-2H-1,2,4-triazol-3-one (XX) has been performed according to J Med Chem 1984, 27: 894-900.

………………….pat             approved      expiry

United States 5661151 1999-07-19 2019-07-19
Canada 2305803 2009-12-22 2018-10-05
Canada 2179396 2001-04-17 2014-12-20
United States 5703079 1994-08-26 2014-08-26



US  Patent No Patent expiry
5661151 Jul 19, 2019
5703079 Aug 26, 2014
6958337 Oct 5, 2018
8263600 Apr 1, 2022


  1. Cornely OA, Maertens J, Winston DJ, Perfect J, Ullmann AJ, Walsh TJ, Helfgott D, Holowiecki J, Stockelberg D, Goh YT, Petrini M, Hardalo C, Suresh R, Angulo-Gonzalez D: Posaconazole vs. fluconazole or itraconazole prophylaxis in patients with neutropenia. N Engl J Med. 2007 Jan 25;356(4):348-59. Pubmed
  2. Ullmann AJ, Lipton JH, Vesole DH, Chandrasekar P, Langston A, Tarantolo SR, Greinix H, Morais de Azevedo W, Reddy V, Boparai N, Pedicone L, Patino H, Durrant S: Posaconazole or fluconazole for prophylaxis in severe graft-versus-host disease. N Engl J Med. 2007 Jan 25;356(4):335-47. Pubmed
  3. Bhattacharya M, Rajeshwari K, Dhingra B: Posaconazole. J Postgrad Med. 2010 Apr-Jun;56(2):163-7. Pubmed
  4. Frampton JE, Scott LJ: Posaconazole : a review of its use in the prophylaxis of invasive fungal infections. Drugs. 2008;68(7):993-1016.Pubmed
  5. Schiller DS, Fung HB: Posaconazole: an extended-spectrum triazole antifungal agent. Clin Ther. 2007 Sep;29(9):1862-86. Pubmed
  6. Kwon DS, Mylonakis E: Posaconazole: a new broad-spectrum antifungal agent. Expert Opin Pharmacother. 2007 Jun;8(8):1167-78.Pubmed
  7. Groll AH, Walsh TJ: Posaconazole: clinical pharmacology and potential for management of fungal infections. Expert Rev Anti Infect Ther. 2005 Aug;3(4):467-87. Pubmed
  8. Rachwalski EJ, Wieczorkiewicz JT, Scheetz MH: Posaconazole: an oral triazole with an extended spectrum of activity. Ann Pharmacother. 2008 Oct;42(10):1429-38. Epub 2008 Aug 19. Pubmed
  9. Li Y, Theuretzbacher U, Clancy CJ, Nguyen MH, Derendorf H: Pharmacokinetic/pharmacodynamic profile of posaconazole. Clin Pharmacokinet. 2010 Jun;49(6):379-96. doi: 10.2165/11319340-000000000-00000. Pubmed

EMA Accepts AstraZeneca’s Naloxegol Application


Morphinan-3,14-diol, 4,5-epoxy-6-(3,6,9,12,15,18,21-heptaoxadocos-1-yloxy)-17-(2-
propen-1-yl)-, (5α,6α)-



SPONSOR AstraZeneca

Marketing Authorisation Application for naloxegol accepted by European Medicines Agency

Friday, 27 September 2013

AstraZeneca today announced that the European Medicines Agency (EMA) has accepted the Marketing Authorisation Application (MAA) for naloxegol, an investigational peripherally-acting mu-opioid receptor antagonist, which has been specifically designed for the treatment of opioid-induced constipation (OIC) for adult patients 18 years and older, including patients with inadequate response to laxatives.

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Naloxegol (INNNKTR-118), or PEGylated naloxol,[1] is a peripherallyselective opioid antagonist under development byAstraZeneca, licensed from Nektar, for the treatment of opioid-induced constipation.[2]

Opioids are commonly prescribed to patients experiencing chronic pain, which can provide relief from serious medical conditions including osteoarthritis, cancer, and chronic back pain.  There are about 250 million opioid prescriptions written annually in the US alone to treat these conditions.  Patients taking opioids to treat chronic pain commonly experience a side effect known as opioid-induced constipation, which may include infrequent bowel movements and difficulty passing stools or emptying bowels. Clinically, OIC is the most prevalent side effect of opioid therapy.  For those patients who take opiates for long term pain management, approximately 40-50 percent commonly experience OIC.5 Only about 40-50 percent of those patients experience effective relief from current treatment options

  1. ^ Roland Seifert; Thomas Wieland; Raimund Mannhold; Hugo Kubinyi, Gerd Folkers (17 July 2006). G Protein-Coupled Receptors as Drug Targets: Analysis of Activation and Constitutive Activity. John Wiley & Sons. p. 227. ISBN 978-3-527-60695-5. Retrieved 14 May 2012.
  2. ^ “Nektar | R&D Pipeline | Products in Development | CNS/Pain | Oral Naloxegol (NKTR-118) and Oral NKTR-119”. Retrieved 2012-05-14.

Naloxegol (NKTR-118) is an investigational drug candidate in Phase 3 studies being developed as a once-daily oral tablet for the treatment of opioid-induced constipation. Naloxegol (NKTR-118) was designed using Nektar’s proprietary small molecule polymer conjugate technology. Results of the Phase 2 study of naloxegol (NKTR-118) were presented in October 2009 at the American College of Gastroenterology Annual Clinical Meeting and the American Academy of Pain Management. NKTR-119 is an early stage drug development program that is intended to combine oral naloxegol (NKTR-118) with selected opioids, with the goal of treating pain without the side effect of constipation traditionally associated with opioid therapy.

Nektar and AstraZeneca have a global agreement for both naloxegol (NKTR-118) and NKTR-119. Under the agreement, AstraZeneca has responsibility for the development, global manufacturing and marketing of both naloxegol (NKTR-118) and NKTR-119. For naloxegol (NKTR-118), Nektar is eligible to receive up to $235 million in aggregate payments upon the achievement of certain regulatory milestones, as well as additional tiered sales milestone payments of up to $375 million if the product achieves considerable levels of commercial success. Nektar will also be eligible to receive significant double-digit royalty payments on net sales of naloxegol (NKTR-118) worldwide. For NKTR-119, Nektar would receive development milestone payments as well as tiered sales milestone payments. Nektar will also receive significant double-digit royalty payments on NKTR-119 net sales worldwide.

oxalate derivative

Morphinan-3,14-diol, 4,5-epoxy-6-(3,6,9,12,15,18,21-heptaoxadocos-1-yloxy)-
17-(2-propen-1-yl)-, (5α,6α)-, ethanedioate (1:1)
enyl)morphinan-3,14-diol hydrogen ethanedioate

TRADEMARK None as yet
SPONSOR AstraZeneca
CODE DESIGNATIONS NKTR-118 oxalate, AZ13337019 oxalate

Bayer seeks EMA approval for marketing of regorafenib to treat GIST


Bayer seeks EMA approval for marketing of regorafenib to treat GIST
Bayer HealthCare has submitted an application to the European Medicines Agency (EMA) for marketing authorisation regarding the oral multi-kinase inhibitor, regorafenib.

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The rate of cancer rise is dramatic, doubling in the last 30 years. Furthermore, of the estimated 560,000 cancer victims who would die in 1997, most of them could have prevented their illness had they paid attention to some simple lifestyle factors.

Although the number of cancer deaths continues to rise each year in the U.S., the per capita cancer mortality rate has just recently started to decline. This celebrated small decline was first announced by the National Cancer Institute in late 1996, but a careful retrospective review of the data indicated that the per capita cancer death rate peaked in 1991 and has ever so slowly declined thereafter.

What was the reason for this decline? Not improved cancer treatments, but cancer prevention itself emerges as the cause for this good news. A national commitment to the prevention of cancer, largely replacing reliance on hopes for universal cures.

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Cempra Provides Guidance on the Clinical Program Required for Regulatory Approval for Solithromycin for Community-Acquired Bacterial Pneumonia (CABP)



Legal status Phase III clinical trials, North America, South America, Europe
Routes oral, intravenous
CAS number 760981-83-7 

Cempra Provides Guidance on the Clinical Program Required for Regulatory 
The Herald |
The Phase 3 solithromycin clinical program in CABP will be planned to consist of an oral trial and an intravenous (IV)-to-oral clinical trial. Cempra followed the CABP guidance that the FDA proposed in a November, 2011, meeting of the Anti-Infective 



Solithromycin (formerly known as CEM-101 and OP-1068) is a novel ketolide antibiotic undergoing clinical development for the treatment of community-acquired pneumonia (CAP) and other infections.It is expected to be the first macrolide antibiotic available in intravenous, oral, and pediatric suspension formulations in over 20 years.

Solithromycin exhibits excellent in vitro activity against a broad spectrum of Gram-positive respiratory tract pathogens, including macrolide-resistant strains. Solithromycin has activity against a wide variety of pathogens, and further research is being conducted for other infections.

  • September 2011 : Encouraging results from the phase 2 clinical trial versus levofloxacin were reported.

Vitaros Approved in 10 Countries

Vitaros, alprostadil

7-[(1R,3R)-3-hydroxy-2-[(1E,3S)-3-hydroxyoct-1-en-1-yl]-5-oxocyclopentyl]heptanoic acid

Apricus Biosciences Inc. said that its impotence drug Vitaros has been approved in 10 European countries. The company said Vitaros is now approved in the Netherlands, Germany, France, Italy, and the U.K., among other countries, for the treatment of erectile dysfunction.

The active ingredient in Vitaros, alprostadil, is an ingredient in other approved impotence treatments and Apricus is also studying it as a treatment for female sexual arousal disorder.

Prostaglandin E1 (PGE1), known pharmaceutically as alprostadil,[1] is a prostaglandin. It is a drug used in the treatment of erectile dysfunction[2] and has vasodilatory properties.

Patent ductus arteriosus

Alprostadil is also used in maintaining a patent ductus arteriosus in newborns. This is primarily useful when there is threat of premature closure of the ductus arteriosus in an infant with ductal-dependent congenital heart disease, including cyanotic lesions (e.g., pulmonary atresia/stenosis, tricuspid atresia/stenosis, transposition of the great arteries) and acyanotic lesions (e.g., coarctation of the aorta, hypoplastic left heart syndrome, critical aortic stenosis, interrupted aortic arch).

Sexual dysfunction

Alprostadil is sold in the United States as urethral suppositories and in injectable form. The suppositories are sold under the brand name MUSE.[3] The injectable forms are Edex[4] and Caverject.[5] Muse delivers alprostadil as a penile suppository, inserted into the urethra, at least ten minutes before the erection will be needed. Caverject and Edex are similarly fast-acting, but instead are injected by syringe directly into the corpus cavernosum of the penis.

Apricus Biosciences is developing proprietary drugs; Vitaros for men with erectile dysfunction, Femprox for female sexual arousal disorder and RayVa for Raynaud’s phenomenon. Two Phase III studies have been completed for Vitaros, and approval has been granted in Canada. Apricus Biosciences is seeking regulatory approval in Europe, South America, and other territories. Apricus Biosciences sold the rights for Vitaros in the US to Warner Chilcott.[6]

Alprostadil is also available as a generic. The major cost is that it must be mixed by a compounding pharmacy and supplies of alprostadil may be difficult to obtain. There are different formulations, including Bimix and Trimix, which may include papaverine and/or phentolamine. A typical mix might be 30 mg of papaverine, 2 mg of phentolamine, and 20 mcg alprostadil. As a generic, it is much less expensive than the pre-packaged injectables. It is premixed and must be kept refrigerated and the user must load a syringe with the quantity needed.

Critical limb ischemia

Alprostadil is also used for critical limb ischemia. It increases blood flow by peripheral vasodilation within 5 minutes and induces angiogenesis. It is most effective when the ankle pressure is at least 30 mmHg and at least one tibial artery is patent.

  1.  Cawello W, Leonhardt A, Schweer H, Seyberth HW, Bonn R, Lomeli AL (September 1995). “Dose proportional pharmacokinetics of alprostadil (prostaglandin E1) in healthy volunteers following intravenous infusion”. British Journal of Clinical Pharmacology 40 (3): 273–6. PMC 1365109. PMID 8527291.
  2.  Harding LM, Adeniyi A, Everson R, Barker S, Ralph DJ, Baranowski AP (December 2002). “Comparison of a needle-free high-pressure injection system with needle-tipped injection of intracavernosal alprostadil for erectile dysfunction”. International Journal of Impotence Research 14 (6): 498–501. doi:10.1038/sj.ijir.3900916. PMID 12494285.
  3.  “Muse Suppository – Facts and Comparisons”. Retrieved 4 January 2013.
  4.  Edex – Facts and Comparisons
  5.  Caverject – Facts and Comparisons
  6.  Fain Hughes (2007-10-29). “NEXM: Dutton Sees Strong Speculative Buy and 12-Month Price Double”. Retrieved 2007-11-01.

Prostaglandin E1 (alprostadil, PGE1) erectile dysfunction drug, molecular model. PGE1 is a prostaglandin used in the treatment of erectile dysfunction. Stock Photo - 17817688
Prostaglandin E1 (alprostadil, PGE1) erectile dysfunction drug, molecular model. PGE1 is a prostaglandin used in the treatment of erectile dysfunction.

Idenix Pharmaceuticals Announces Samatasvir (IDX719) Poster Presentations at the Asian Pacific Association for the Study of the Liver (APASL) Conference

New Hepititis C Virus Therapy

Idenix Pharmaceuticals Announces Samatasvir (IDX719) Poster Presentations at
Wall Street Journal JUNE 6, 2013
Inc. (Nasdaq:IDIX), a biopharmaceutical company engaged in the discovery and development of drugs for the treatment of human viral diseases, today announced three poster presentations featuring clinical and preclinical data for samatasvir (IDX719),


Idenix Pharmaceuticals, the Cambridge-based  biotechnology company, announced that their drug, IDX719, was granted a Fast Track designation by the FDA. IDX719, an NS5A inhibitor, is designed to treat chronic hepatitis C virus (HCV) infection in patients. The Fast Track designation will enable Idenix Pharmaceuticals to shave precious time off their predicted timeline for a new drug application (NDA), and even increase interaction with the FDA to guarantee a quicker review and a shorter time to market.

Avanir said the FDA agreed to a faster development process for its experimental drug AVP-786 and will allow the company to use some data from studies of Nuedexta in its applications for AVP-786


Avanir Pharmaceuticals Inc. announced that the Food and Drug Administration will allow it to speed research on a newer version of its drug Nuedexta.

Avanir said the FDA agreed to a faster development process for its experimental drug AVP-786 and will allow the company to use some data from studies of Nuedexta in its applications for AVP-786.

Avanir plans to start human clinical trials of the drug after it completes some limited preclinical testing. The company said the FDA’s decision could reduce the cost of developing the drug and allow it to win marketing approval sooner.

Nuedexta is a treatment for pseudobulbar affect, a condition that involves involuntary emotional outbursts like laughing or crying. It is associated with brain disease or injury. Net revenue from the drug more than doubled to $31.4 million over the first six months of the company’s current fiscal year. That was almost all of the Aliso Viejo, Calif., company’s revenue.

Nuedexta was approved in February 2011. The drug combines two ingredients: dextromethorphan, a common ingredient in cough and cold medicines that can suppress coughing, and quinidine, which is used to treat abnormal heart rhythms.

Avanir is also studying Nuedexta as a treatment for diabetic nerve pain, agitation in patients with Alzheimer’s disease, central nerve pain in multiple sclerosis, and levodopa-induced dyskinesia in Parkinson’s disease. Dyskinesias are involuntary movements tied to most treatments used to manage Parkinson’s.

Canaccord Genuity analyst Ritu Baral said Avanir considers AVP-786 to be a safer version of Nuedexta because it contains less quinidine. The drug also has stronger patent protection and is patent protected until 2030, a few years longer than Nuedexta.

In a telephone interview, Baral said the FDA’s decision could speed approval of AVP-786 by two to four years. She said Avanir may start late-stage testing of the drug in the second half of 2014 depending on the results of current studies of Nuedexta.

Xarelto approved for Secondary prevention in Acute Coronary Syndrome patients in Europe

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ThromboGenics NV, European Commission has approved JETREA® (ocriplasmin) in the European Union


Leuven, March 15, 2013


ThromboGenics NV an integrated biopharmaceutical company focused on developing and commercializing innovative ophthalmic medicines, today announces that the European Commission has approved JETREA® (ocriplasmin) in the European Union. JETREA® is approved for the treatment of vitreomacular traction (VMT), including when associated with macular hole of diameter less than or equal to 400 microns. The EU approval triggers a €45 million milestone payment to ThromboGenics from its partner Alcon. The first sale of JETREA® in the EU by Alcon will trigger a further €45 million milestone payment to ThromboGenics.

Alcon, a division of Novartis, acquired the rights to commercialize JETREA® outside the United States in March 2012. ThromboGenics retains the right to commercialize the drug in the US. ThromboGenics launched JETREA® in the US in mid-January 2013 where it is approved for the treatment of patients with symptomatic vitreomacular adhesion (VMA).

Ocriplasmin (trade name Jetrea) is a recombinant protease with activity against fibronectin and laminin, components of the vitreoretinal interface. It is used for treatment of symptomatic vitreomacular adhesion, for which it received FDA approval on 17 October 2012. It works by dissolving the proteins that link the vitreous to the macula, resulting in posterior detachment of the vitreous from the retina.[1]

  1. ^ Stalmans, P; Benz, MS; Gandorfer, A; Kampik, A; Girach, A; Pakola, S; Haller, JA; MIVI-TRUST Study, Group (2012 Aug 16). “Enzymatic vitreolysis with ocriplasmin for vitreomacular traction and macular holes.”. The New England journal of medicine 367 (7): 606–15. PMID 22894573.
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