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Topic: Zanamivir



  
 Zanamivir -- Facts, Info, and Encyclopedia article
Zanamivir, therefore, is administered by inhalation - a route that was chosen for patient compliance with therapy.
Whilst zanamivir proved to be a potent and effective inhibitor of influenza neuraminidase and inhibitor of influenza virus replication in vitro and in vivo, this didn't necessarily translate into a successful clinical treatment for influenza.
Despite the limited commercial success of this drug, the work and strategies employed in the development of zanamivir were important first-steps in the development of further members of this class including (Click link for more info and facts about oseltamivir) oseltamivir and the candidate drug RWJ-270201 (Phase I trials).
http://www.absoluteastronomy.com/encyclopedia/z/za/zanamivir.htm   (1011 words)

  
 Neuraminidase Inhibitors for Treatment of Influenza A and B Infections
Although clinical data are limited regarding drug interactions with zanamivir, no known drug interactions with zanamivir have been reported, and no clinically important drug interactions have been predicted on the basis of in vitro data and data from studies in rats (14,49).
Influenza-specific antiviral drugs for chemoprophylaxis or therapy are an important adjunct to vaccine, but they are not a substitute for influenza vaccine.
However, recently published studies of zanamivir and oseltamivir for prophylaxis of influenza in community settings demonstrated both drugs to be similarly effective in preventing laboratory-confirmed clinical influenza with fever (efficacy: zanamivir, 84%; oseltamivir, 82%) (35,36).
http://www.cdc.gov/mmwr/preview/mmwrhtml/rr4814a1.htm   (4488 words)

  
 Utility of Zanamivir for Chemoprophylaxis of Concomitant Influenza A and B in a Complex Continuing-Care Population - ...
Our data suggests that inhaled zanamivir is well tolerated in routine clinical practice for the management of influenza in high-risk patients who are able to understand the instructions given to them.
Four patients in our study were unable to take zanamivir because of cognitive impairment.
Four patients (8.3%) were unable to take zanamivir because of severe cognitive impairment.
http://www.phac-aspc.gc.ca/publicat/ccdr-rmtc/01vol27/dr2703ea.html   (1665 words)

  
 Zanamivir - Resources from the U.S. Government
VISN 20 Formulary - Restrictions: Influenza B Oseltamivir (Tamiflu®) and zanamivir (Relenza®) are both non-formulary, but available for inpatient therapy for influenza B outbreaks.
And viruses containing the 1918 HA and NA antigens are foiled by NA inhibitors zanamivir and oseltamivir.
FCIC: Consumer Focus: Ask your doctor if use of the drug Zanamivir, Oseltamivir, Amantadine or Rimantadine (sold under different brand names) would be beneficial.
http://mark.mongabay.com/medications/gov/Zanamivir.html   (1133 words)

  
 zanamivir of Augusta, Georgia
Zanamivir is available with a DISKHALER inhalation device and five ROTADISK foil packs that each contain 4 blisters of the drug.
Do not use zanamivir without first talking to your doctor if you have asthma, chronic obstructive pulmonary disease (COPD), or any other chronic lung condition.
Many, but not all, of the cases occurred in patients with asthma, chronic obstructive pulmonary disease (COPD), or another chronic lung condition.
http://www.universityhealth.org/17107.cfm   (1552 words)

  
 MedlinePlus Drug Information: Zanamivir (Inhalation—Systemic)
This medicine must be started within 2 days of having flu symptoms (weakness, headache, fever, cough, and sore throat).
Tell your health care professional if you are taking any other prescription or nonprescription (over the counter [OTC]) medicine before using zanamivir.
Read the directions carefully before using this medicine.
http://www.nlm.nih.gov/medlineplus/druginfo/uspdi/500004.html   (1591 words)

  
 Exec Summary Vol. 6: No. 9. Zanamivir for the treatment of influenza in adults: a systematic review and economic ...
Although the analysis followed established methods, it was based on one trial with only 37 participants in the zanamivir arm, and some of the assumptions did not reflect the true clinical situation.
Only one cost-effectiveness analysis was found in the published literature, which was for use in at-risk patients.
The drug had a similar adverse event profile to the placebo group.
http://www.hta.nhsweb.nhs.uk/execsumm/summ609.htm   (1219 words)

  
 Randomized, placebo-controlled studies of inhaled zanamivir in the treatment of influenza A and B: pooled efficacy ...
Randomized, placebo-controlled studies of inhaled zanamivir in the treatment of influenza A and B: pooled efficacy analysis -- Monto et al.
http://jac.oxfordjournals.org/cgi/reprint/44/suppl_2/23   (30 words)

  
 Safety and Efficacy of Intravenous Zanamivir in Preventing Experimental Human Influenza A Virus Infection -- Calfee et ...
Protective efficacy of intravenous zanamivir in experimental human influenza, abstr.
zanamivir is therapeutically active in acute, uncomplicated, naturally
The median (range) nasal-wash zanamivir concentrations, not adjusted for the dilution factor resulting from the sampling technique,
http://aac.asm.org/cgi/content/full/43/7/1616   (2759 words)

  
 ICAR: Clinical Efficacy Of Relenza (Zanamivir) Shown In People With Asthma And COPD
During the sub-study, researchers analyzed 256 throat swabs taken on days 1 (baseline), 2, 3, and 6 from both zanamivir and placebo treated patients.
The study was a virologic sub-study of a randomized, double-blind placebo controlled clinical trial (NAI30008) and was designed to evaluate the safety and efficacy of zanamivir in people with asthma and COPD.
Although only one of these had a titre high enough for the NA assay, the other isolate was identified as positive by PCR.
http://www.pslgroup.com/dg/1F7BBE.htm   (377 words)

  
 Relenza - Drugs & Vitamins - Drug Library - DrugDigest
Make sure you have an inhaler available when using zanamivir if you have asthma or other chronic lung disease.
There are no known drug interactions with zanamivir.
Contact your pediatrician or health care professional regarding the use of this medicine in children.
http://www.drugdigest.org/DD/DVH/Uses/0,3915,740Relenza,00.html   (761 words)

  
 Effectiveness of neuraminidase inhibitors in treatment and prevention of influenza A and B: systematic review and ...
and zanamivir are clinically effective for treating and preventing
Monto AS, Webster A, Keene O. Randomized, placebo-controlled studies of inhaled zanamivir in the treatment of influenza a and b: pooled efficacy analysis.
supports the view that both oseltamivir and zanamivir are clinically
http://bmj.com/cgi/content/full/326/7401/1235   (2929 words)

  
 Influenza: vaccination and treatment -- Stephenson and Nicholson 17 (6): 1282 -- European Respiratory Journal
Randomised placebo-controlled studies of inhaled zanamivir in the treatment of influenza A and A: pooled efficacy analysis.
Both zanamivir and oseltamivir have been found to be effective
Pooled analysis of studies totalling 2,235 patients treated
http://erj.ersjournals.com/cgi/content/full/17/6/1282   (6825 words)

  
 MedlinePlus Drug Information: Zanamivir Inhalation
if you use an inhaled medication to treat asthma or emphysema and you are scheduled to take that medication at the same time as zanamivir, you should take your regular medication before taking zanamivir.
tell your doctor and pharmacist if you are allergic to zanamivir or any other drugs.
Your prescription will come with instructions on how to use the Diskhaler.
http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a699021.html   (1123 words)

  
 ICAAC: Intravenous Zanamivir Shows Promise In Treating And Preventing Flu
Inhaled zanamivir is effective in treating acute influenza.
However, this was the first study to show that the drug is also effective when administered by a systemic route in humans.
Zanamivir, one member of this new family of drugs, has been shown to be effective in human trials that assessed the ability of this drug to prevent infection and to lesson the severity of illness in subjects infected with influenza virus.
http://www.docguide.com/dg.nsf/PrintPrint/FF05FE06A5901B658525668D004BC32D   (654 words)

  
 SPREAD OF FLU IN FAMILIES REDUCES WITH ZANAMIVIR
The double-blind, placebo-controlled clinical trial was designed to examine the effectiveness of zanamivir in preventing the spread of influenza A and B from one infected family member to other members.
However, in this study no resistance was observed with zanamivir.
The most common side effects for both treatment and prophylaxis included respiratory illness (17 percent placebo vs. 10 percent zanamivir), headaches (10 percent vs. 9 percent) and nasal signs and symptoms (8 percent vs. 9 percent).
http://www.healthsystem.virginia.edu/internet/news/archives00/zanamivir.cfm   (567 words)

  
 HEALTH-Pandemic-Zanamivir, Bgt
Both zanamivir and oseltamivir are known as neuraminidase inhibitors, drugs that block the influenza virus's ability to spread throughout the respiratory system.
But governments should not overlook zanamivir, a commentary in a leading medical journal suggests.
As well, there have been no reports in the scientific literature of influenza viruses developing resistance to zanamivir, they noted.
http://www.cp.org/english/online/full/health/050811/x081128A.html   (706 words)

  
 Relenza Online, Description, Chemistry, Ingredients - Zanamivir - RxList Monographs
Influenza Challenge Studies: Antiviral activity of zanamivir was supported for influenza A, and to a more limited extent for influenza B, by Phase 1 studies in volunteers who received intranasal inoculations of challenge strains of influenza virus, and received an intranasal formulation of zanamivir or placebo starting before or shortly after viral inoculation.
Only 1 of 4 children under age 8 had a measurable flow rate (see CLINICAL PHARMACOLOGY: Pediatric Patients, INDICATIONS AND USAGE: Description of Clinical Studies, and PRECAUTIONS: Pediatric Use).
Insufficient information is available to characterize the risk of emergence of zanamivir resistance in clinical use.
http://www.rxlist.com/cgi/generic2/zanam.htm   (725 words)

  
 Important New Warnings about the Flu Drug Zanamivir
The labeling also warns that in such patients, zanamivir should be used under conditions of careful monitoring, proper observation and appropriate supportive care, including the availability of short-acting bronchodilators, for example a "puffer" containing albuterol (PROVENTIL).
C) accompanied by shaking chills and you are coughing up thick phlegm, or if coughing or breathing deeply causes sharp chest pain, you may have pneumonia, and should consult your doctor for diagnosis and appropriate treatment.
The precaution goes on to state that zanamivir should be stopped in any patient who develops bronchospasm or a decline in lung function.
http://www.citizen.org/HRG/NEWSLETTERS/relenza.htm   (596 words)

  
 Flu Drugs, NIAID Fact Sheet
All four drugs are available by prescription only, and it is best to consult with your health care provider to determine what drug might be best for you.
Rimantadine and amantadine are effective only against type A influenza.
Zanamivir generally is not recommended for people with chronic respiratory diseases such as asthma or chronic obstructive pulmonary disease (COPD).
http://www.niaid.nih.gov/factsheets/fludrugs.htm   (1162 words)

  
 Arch Intern Med -- Abstract: Impact of Zanamivir on Antibiotic Use for Respiratory Events Following Acute Influenza in ...
The Department of Internal Medicine, Division of Epidemiology and Virology, University of Virginia School of Medicine, Charlottesville (Drs Kaiser and Hayden); Glaxo Wellcome Inc, Research Triangle Park, NC (Drs Elliot and Hammond); and Glaxo Wellcome Research and Development, Greenford, England (Mr Keene).
Arch Intern Med -- Abstract: Impact of Zanamivir on Antibiotic Use for Respiratory Events Following Acute Influenza in Adolescents and Adults, November 27, 2000, Kaiser et al.
of influenza illness with zanamivir reduced the number of these
http://archinte.ama-assn.org/cgi/content/abstract/160/21/3234   (374 words)

  
 Oseltamivir or zanamivir for influenza (flu)
Inhaled zanamivir for the prevention of influenza in families.
Zanamivir and oseltamivir and are medications known as neuraminidase inhibitors.
Zanamivir and oseltamivir may not be as effective for people who do not have a fever or do not have severe flu symptoms.
http://www.webmd.com/hw/health_guide_atoz/aa85986.asp   (572 words)

  
 zanamivir - Medical and health information on the common cold and flu
DRUG INTERACTIONS: There are no known interactions between zanamivir and other drugs.
Patients with respiratory diseases may experience breathing problems when treated with Zanamivir due to irritation of the breathing tubes by the particles from the inhaler.
Patients who have asthma or other breathing problems that make them sensitive to inhaled particles should have a fast acting, inhaled bronchodilator available to treat any breathing problem that may occur when zanamivir is used.
http://www.medicinenet.com/zanamivir/article.htm   (481 words)

  
 Flu treatment - zanamivir (review), amantadine and oseltamivir (No. 58)
Flu treatment - zanamivir (review), amantadine and oseltamivir (No. 58)
Summary - Use of zanamivir, oseltamivir and amantadine for the treatment of influenza
Information for patients: Guidance on the the use of zanamivir, oseltamivir and amantadine for the treatment of influenza
http://www.nice.org.uk/cat.asp?c%3D58055   (184 words)

  
 Zanamivir
Do not stop taking the drug before the scheduled end of therapy even if you begin to feel better, as this may lead to a relapse.
Consult your doctor if you have any respiratory illness, such as chronic obstructive pulmonary disease or asthma.
There are no common side effects associated with zanamivir.
http://www.wholehealthmd.com/refshelf/drugs_view/1,1524,863,00.html   (418 words)

  
 Medinfo: Relenza - influenza treatment and the NHS
Although it has been licensed to be prescribed by doctors in the UK for this purpose, it has been announced that its use will not immediately be allowed within the National Health Service.
Zanamivir (Relenza) is a new drug, just released in the UK, for the treatment of flu (influenza).
For further information on influenza treatment see the influenza page in the conditions section.
http://www.medinfo.co.uk/topics/relenza.html   (774 words)

  
 Chemoprophylaxis of Influenza A Virus Infections, with Single Doses of Zanamivir, Demonstrates that Zanamivir Is ...
humans, zanamivir is also rapidly eliminated when given intravenously
These may be typified by the inhaled inhibitor zanamivir
C-radiolabelled zanamivir at a dose of 12.5 mg/kg, and drug distribution
http://aac.asm.org/cgi/content/full/43/11/2642   (2843 words)

  
 Inhouse Pharmacy Europe FDA APPROVES RELENZA (ZANAMIVIR FOR INHALATION) FOR INFLUENZA TREATMENT
Any patient who develops bronchospasm should stop the drug and call their health care provider.
This product has not been shown to be effective, and may carry risk, in patients with severe or decompensated asthma or chronic obstructive pulmonary disease.
Patients with underlying respiratory disease should be instructed to have a fast-acting inhaled bronchodilator available when they are being treated with zanamivir.
http://www.inhousepharmacy-europe.com/general/relenza-article2.html   (397 words)

  
 Zanamivir
If you have an allergy to zanamivir or any other part of the medicine.
Zanamivir prevents the flu from spreading inside the body.
It may be used for adults and children 7 years or older.
http://www.umm.edu/altmed/ConsDrugs/Zanamivircd.html   (500 words)

  
 Influenza : Will New Diagnostic Tests and Antiviral Drugs Make a Difference? -- Coonrod 119 (6): 1630 -- Chest
Monto, AS, Webster, A, Keene, O (1999) Randomized, placebo-controlled studies of inhaled zanamivir in the treatment of influenza A and B: pooled efficacy analysis.
In clinical trials with zanamivir and oseltamivir, symptoms
with zanamivir or oseltamivir, would be proportionally more
http://www.chestjournal.org/cgi/content/full/119/6/1630   (1282 words)

  
 Relenza, Zanamivir, side effects, drug interactions, overdose, dosage
Nevertheless, if you suspect an overdose of Relenza, it would be wise to check with your doctor.
Relenza is an antiviral drug that hastens recovery from the flu.
Relenza, Zanamivir, side effects, drug interactions, overdose, dosage
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/rel1536.shtml   (576 words)

  
 POEM: Prophylactic zanamivir is effective for flu -- 326 (7390): 0 -- BMJ
Bottom line Treating family members of a person who seems to have influenza with zanamivir (Relenza) will prevent one
Question Does prophylactic use of zanamivir decrease the likelihood of influenza in families of a patient who seems
as compared with 2% of patients who received zanamivir.
http://bmj.bmjjournals.com/cgi/content/full/326/7390/0/f   (263 words)

  
 Zanamivir
Zanamivir use should be avoided if the patient is undergoing any concurrent use of inhaled medications, or the patient is pregnant or breastfeeding.
Zanamivir is contraindicated in patients with a known hypersensitivity to any component of the formulation.
Zanamivir (generic name Relenza) is an orally inhaled antiviral, effective for the treatment of Influenza A or B infections in adults.
http://www.stanford.edu/group/virus/flavi/2000/zanamivir.htm   (210 words)

  
 Relenza (zanamivir) Information
Relenza Approval, Review and Labeling Information (from Drugs@FDA)
This memo addresses several concerns raised by the Antiviral Drug Advisory Committee held on February 24, 1999.
This letter notifies health professionals of important revisions to the safety labeling for Relenza.
http://www.fda.gov/cder/news/relenza/default.htm   (380 words)

  
 Zanamivir :Drug News
Click here to request further information on Drug News
The US FDA has approved zanamivir (RELENZA) for the treatment of influenza A and B in adults and adolescents over 12 years of age who have been symptomatic for no more than two days.
This neuraminidase inhibitor, developed by Glaxo Wellcome under license from Biota, was not approved for prophylaxis.
http://www.ims-global.com/insight/drugs_news/drugs_news_990809.htm   (123 words)

  
 Relenza , Zanamivir , influenza treatment
Zanamivir (Relenza) is a new drug, for the treatment of flu (influenza).
Relenza (Zanamivir for Inhalation) has been approved for the treatment of uncomplicated acute illness due to influenza virus in adults and adolescents 12 years and older who have been symptomatic for no more than two days.
Patients inhale Relenza orally using a hand-held, breath activated device called a Diskhaler.
http://www.anagen.net/relenzin.htm   (219 words)

  
 An analysis of the role of neuraminidase in the receptor-binding activity of influenza B virus: the inhibitory effect ...
Zanamivir is a strong inhibitor of the NA of influenza A and
Because the NA inhibitor Zanamivir was reported not
An analysis of the role of neuraminidase in the receptor-binding activity of influenza B virus: the inhibitory effect of Zanamivir on haemadsorption
http://vir.sgmjournals.org/cgi/content/full/80/11/2969   (3700 words)

  
 Relenza Side Effects, and Drug Interactions - Zanamivir - RxList Monographs
No clinically significant pharmacokinetic drug interactions are predicted based on data from in vitro studies.
These were reported in similar proportions of zanamivir and lactose vehicle placebo recipients with acute influenza-like illness.
In a subset with chronic respiratory disease, lower respiratory adverse events (described as asthma, cough, or viral respiratory infections which could include influenza-like symptoms) were reported in 7 of 7 zanamivir recipients and 5 of 12 placebo recipients.
http://www.rxlist.com/cgi/generic2/zanam_ad.htm   (575 words)

  
 MedlinePlus Medical Encyclopedia: The flu
Treatment is usually not necessary for children, but if the illness is diagnosed early and the patient is at risk of developing a severe case, it can be started.
Oseltamivir (Tamiflu) and zanamivir (Relenza) are active against both influenza A and B. Each of these medicines has different side effects and affects different viruses.
Your doctor will determine which one is best for you.
http://www.nlm.nih.gov/medlineplus/ency/article/000080.htm   (1099 words)

  
 CIDRAP >> CDC advises on antiviral use in flu outbreaks
When used for treatment within the first 48 hours of illness, they can shorten the time of illness by 1 to 2 days and reduce virus shedding.
Zanamivir is approved for treatment of flu in people aged 7 and older but not for prevention.
Dec 18, 2003 (CIDRAP News) – The Centers for Disease Control and Prevention (CDC) yesterday issued guidelines for using antiviral drugs to prevent and treat influenza during the current season.
http://www.cidrap.umn.edu/cidrap/content/hot/flu/news/dec1803antivirals.html   (419 words)

  
 Relenza-Biota Holdings
Biota's Relenza™ (Zanamivir) represents a new class of antiviral drugs and a new way to treat the influenza virus, more commonly known as "the flu".
Relenza™ works simply and directly by preventing the spread of influenza from one cell to another within the respiratory tract.
http://www.biota.com.au/products/relenza.html   (475 words)

  
 CDC Clinician Outreach and Communication Activity (COCA) COCA Conference Call Summaries and Slides: Avian Influenza ...
However, obviously there have been no clinical studies that would indicate that that is the case.
The H5N1 viruses are, however, exhibiting a pattern that is consistent with susceptibility to the neuraminidase inhibitors, so oseltamivir and zanamivir would be expected to be effective in prophylaxis and in treatment for these viruses.
That testing is ongoing and takes a good while, but there have been classic mutations in these viruses such that we have every expectation that they would exhibit resistance to both of those drugs, amantadine and rimantadine.
http://www.bt.cdc.gov/coca/summaries/avianflu020504.asp   (5582 words)

  
 CNN.com - How to avoid -- gesundheit! -- the cold and flu - Dec 13, 2004
Otherwise, doctors recommend basic treatments for colds and flus: bed rest, plenty of fluids, aspirin or acetaminophen for fevers and headaches and over-the-counter medication to temporarily relieve symptoms.
People who come down with the flu can take prescription medications to reduce the time they're sick -- but only if taken within 48 hours of the first symptom's appearance, according to the American Lung Association.
The medicines oseltamivir, zanamivir, amantadine and rimantadine (sold under the brand names Tamiflu, Relenza, Symmetrel and Flumadine, respectively) can lessen flu's severity and length by at least a day, depending on the strain of the flu.
http://www.cnn.com/2004/HEALTH/12/13/cold.flu.overview/index.html   (981 words)

  
 Q & A on the flu: What you need to know ajc.com
Those three drugs, plus a fourth drug, zanamivir (Relenza) can reduce the seriousness of symptoms if taken within two days of falling ill. The drugs are not widely available and all require a doctor's prescription.
Sources: American Lung Association, Centers for Disease Control and Prevention, Center for medicare and medicaid Services, Georgia Division of Public Health, MedImmune Vaccines, Inc., National Library of Medicine
http://www.ajc.com/health/content/health/1004/22fluqa.html   (912 words)

  
 Beat the Winter Bugs
Relenza (zanamivir) and Tamiflu (oseltamivir), both approved for use in 1999, are to treat uncomplicated cases of influenza caused by types A and B flu virus.
Tamiflu also is approved for preventive use, while Relenza is approved only for treatment.
He discovered her symptoms occurred because she had taken two different products, both containing a decongestant.
http://www.pueblo.gsa.gov/cic_text/health/coldsandflu/coldsandflu.htm   (3267 words)

  
 Automotive Forums .com Car Chat - Zanamivir Information
You can find more information on Zanamivir by going to http://www.drugdelivery.ca/s33713-s-RELENZA.aspx
http://www.automotiveforums.com/vbulletin/t451169.html   (114 words)

  
 Essential Oil - Research On Essential Oils And Hepatitis ☼
The world's first influenza drug, Relenza™ (zanamivir), will be available to treat 'flu victims in Australia this winter following regulatory recommendation for approval, granted yesterday by the Australian Drug Evaluation Committee.
http://www.finest-essential-oils.net/researchonessentialoilsandhepatitis   (1978 words)

  
 Molecules To Go (Formerly known as Molecules R Us)
First 100 lines from the PDB structure record...
HEADER HYDROLASE 29-JAN-98 1A4G TITLE INFLUENZA VIRUS B/BEIJING/1/87 NEURAMINIDASE COMPLEXED WITH TITLE 2 ZANAMIVIR COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEURAMINIDASE; COMPND 3 CHAIN: A, B;
http://molbio.info.nih.gov/cgi-bin/moldraw?1A4G   (95 words)

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