Guest guest Posted April 17, 2001 Report Share Posted April 17, 2001 From: " Ilena Rose " <ilena@...> Sent: Friday, April 06, 2001 10:36 PM Subject: Zyban (aka Wellbutrin) Probed in 24 Deaths ... > ~~~ I finally figured out why the corporate sponsors of ACSH and their > spin-offs would fund " anti-smoking " campaigns ... to sell more drugs ... ~~~ > > > http://www.montrealgazette.com/news/pages/010302/5025695.html > > Debating Zyban's safety > > Role of anti-smoking drug being probed in 24 deaths > > JEFF HEINRICH, The Gazette > > In the database of the world's largest drug company, the > premature death of Hammock at age 48 is listed as Adverse > Event No. CD/00/4960. > > A Bombardier aircraft upholsterer who lived in Lachine, Hammock > died suddenly the morning of Aug. 17, 1999, 10 days after > starting treatment with Zyban, the anti-smoking pill. > > His widow and five children suspect the drug killed him. > > His family doctor reported a possible connection. But a Quebec > coroner last March concluded Hammock had died of natural causes: > fatal arrhythmia. > > What led to those abnormal heart rhythms, which were serious > enough to cause cardiac arrest, severe enough to cause Hammock to > collapse on the job and die? > > Was it the drug? Was it because Hammock, a pack-a-day Belvedere > smoker since his teens, already ran a high risk of heart failure? > Or was it a symptom of his withdrawing from a lifelong addiction > to nicotine? > > On those kinds of questions hinges the worldwide debate over the > safety of Zyban, a top-selling medication that was launched in > 1997 and is used by one million Canadians and 14 million other > people worldwide. > > The drug is being investigated as the possible cause of at least > four other deaths in Canada, including that of 26-year-old > Montrealer Landry in February, as well as of 18 deaths in > Britain and one in Australia. > > GlaxoKline, the British-based pharmaceutical giant that > makes Zyban, denies any proven link so far between its drug and > the fatalities. So do investigators at Health Canada and other > countries' health authorities. > > What makes many of the cases disturbing is how relatively healthy > - for smokers - some of the patients like Hammock were before > they started taking Zyban, and how sudden and unexpected their > deaths were. > > Zyban's active ingredient, bupropion hydrochloride, a kind of > anti-depressant, also is marketed to psychiatric patients (as > well as some smokers) under the brand name Wellbutrin. > > A stimulant, it works by changing the balance of chemicals in the > brain to reduce a person's craving for nicotine. A typical > treatment lasts three months, with the patient quitting smoking > after the first week. > > Studies suggest one in three patients on Zyban remains off the > weed even a year later. Hammock didn't get that far. > > " Charlie quit smoking, but unfortunately he had to quit breathing > to do it, " his widow, Peggy-Ann -Hammock, quipped bitterly > in an interview this week, lamenting the sudden end of a marriage > that lasted 31 years. > > " It was my worst nightmare. You say goodbye to your husband in > the morning on his way to work, and he doesn't come home. " > > A trim 159 pounds, Hammock had an otherwise clean bill of health > before he started taking Zyban, his medical chart shows: normal > blood pressure, low cholesterol levels, no history of heart or > lung problems. > > After a checkup on July 28, 1999, and a series of routine lab > tests, his family doctor pronounced him fit enough " to live to > 100, " -Hammock told The Gazette. > > Hammock had been encouraged to quit smoking with Zyban after > hearing how well it had helped a co-worker at Bombardier break > her habit. And he'd seen ads for the product on U.S. cable TV. > > Ten days after his physical, he got his prescription filled. But > after a few days of popping the little purple Zyban pills, first > once, then twice every 24 hours, something went wrong. > > " He started telling me how peculiar he felt, " said -Hammock, > who works as the daycare supervisor at Meadowbrook elementary > school in Lachine. > > " As a family, we noticed he was majorly agitated. I kept saying > to him, 'Charlie, maybe you shouldn't be taking this Zyban.' But > he thought the side-effects would wear off after a few days, so > he stayed on it. " > > The night before he died, there was a major blowup at the family > supper table. Hammock was testy, irritable, far more than he'd > ever been in previous attempts to quit smoking. " I said, 'Calm > down, you're going to have a stroke,' " -Hammock recounted. > > Like other anti-depressant drugs, Zyban carries a significant > risk of seizures: one in 1,000 people will have fits or go into > convulsions as result of taking it. > > According to Glaxo's lengthy monograph for Zyban, 2 per cent of > patients will also experience some heart palpitations while on > it. But the jury is out on whether those palpitations can be > deadly. > > The monograph only warns doctors to be careful prescribing the > drug to patients who've had a recent heart attack and other > cardiac problems, saying studies have yet to prove its safety for > those people. > > Early on the morning of his death, around 8:30 a.m., Hammock > phoned his wife from work to say he'd had a bad dizzy spell. He > also told his supervisor he had a headache, the coroner's report > shows. > > Less than two hours later, he collapsed in Dorval. At 10:20 his > supervisor found him unconscious, lying on the floor of the > Canadair Global Express jet on which he'd been working. > > His heart was beating but he had no pulse and he wasn't > breathing. > > An Urgences-Sante technician tried to revive him with a > defibrillator, but it was too late. After an ambulance ride to > Sacre Coeur Hospital, Hammock was pronounced dead. > > His family was left in shock, searching for answers. They called > his doctor. They called Glaxo Canada's telephone helpline and > talked to a company nurse. The closest they got to an explanation > was two months ago, when another official called back. > > " The woman told me my husband's case was now registered in an > international database of adverse events to Zyban, and that the > company was accumulating evidence, " -Hammock recalled. > > " I told her that wasn't good enough. I told her, 'How many people > are going to die before you pull this drug from the market? When > will we as consumers know there's something wrong with this > drug?' " > > The Glaxo official pointed out that as a smoker Hammock had been > at risk of heart disease. " 'But he didn't have heart disease, > and he didn't die of it, either,' " the widow remembers > responding. " 'He went from perfectly healthy to dead in 10 days. > Explain that.' " > > This week, Glaxo Canada's chief medical officer tried. > > " It's always a difficult call " whether the death of a patient > like Hammock " was due to an underlying problem or due to the > drug, " said Dr. Anne , an infectious-disease specialist > who is the company's vice-president of research and development. > > " People who smoke are at greatly increased risk: they're about > five times more likely than non-smokers to have a heart attack or > heart problems, " she said from Glaxo Canada headquarters in > Mississauga, Ont. > > " So these events occurring in a patient population which is > taking the medication doesn't necessarily, of course, implicate > the medication as the cause. " > > According to Health Canada data dating back to September 1999 - > the most recent it and the company say are available - there have > been 407 adverse events related to Zyban and 67 related to > Wellbutrin. > > Of the Zyban events, 312 involved three deaths, seven non-fatal > heart attacks, 64 convulsions or seizures, seven cases of > hypoglycemia (low blood sugar), 163 allergic reactions, 52 > psychiatric reactions (including one suicide attempt), and 16 > reports of vision problems. > > Health Canada's Therapeutic Products Program, which monitors drug > safety, " continues to work with the manufacturer to re-evaluate > and update the safety profile of Zyban, " it said in a January > 2000 report. > > Asked about the hundreds of adverse events, Glaxo's said > she wasn't surprised. > > " The more people that take any product, even Aspirin, the more > side-effects or adverse events are going to be reported, " she > said. > > " When you have that number of people (more than one million > Canadians on Zyban) taking anything, even taking a glass of > water, some are going to report different adverse events. " > > What about possible effects on the heart? Shouldn't Zyban users > be warned about palpitations - and stop taking the drug at the > first sign of them? > > " Not necessarily, " said. > > " I mean, you have to remember the context in which this product > is being used: during withdrawal from an addicting substance > (nicotine). And one of the side-effects of withdrawal is often > palpitations. " > > Coming off a nicotine addiction is never pleasant, she added. " It > tends to cause a series of physical symptoms: anxiety, > palpitations, insomnia are all very common withdrawal syndromes. " > > Aren't the unexpected deaths of younger Zyban patients like > Hammock and especially the 26-year-old Landry last month rather > unusual? > > Not really, said. > > " We have young people who die suddenly all the time. You hear > reports of kids in the gym playing basketball or whatever > dropping dead. Young people do die sudden death. " > > Will the survivors of Zyban patients like Hammock never get a > definitive answer? Will they never know for sure whether Zyban > did or did not kill their loved one? > > Perhaps not, said. > > Just as the families of cancer victims can't know if the drugs in > chemotherapy did more harm than good, those with experience with > Zyban may never get the answer they're looking for. > > " Cancer drugs are just as hard to decide, " noted. " Are > adverse events a side-effect of the medication or a progression > of the malignancy? We're always faced with these difficult > situations. " > > -Hammock can't shed her suspicions, though. Zyban and > Wellbutrin are a $70-million-a-year business for Glaxo in Canada. > > If the products are tarnished by safety concerns, the firm stock > could take a hit. > > " They may be watching the value of their stock, " she said. > > " But it seems to me that when there are as many sudden deaths as > this, Glaxo should be erring on the side of caution and pulling > Zyban off the shelves. " > > For now, Adverse Event No. CD/00/4960 languishes in an > international registry, part of a puzzle, perhaps, or simply a > footnote in the controversial history of a popular drug. > > " I'll be sure to put that on his tombstone, " his widow said > sardonically. " 'Here lies my husband, part of the evidence in an > international database.' I'm sure Charlie would like that. " > > > ~~~~~~~~~~~~~ > > More on this Drug > > http://www.mentalhealth.com/drug/p30-b04.html#Head_4 > > Quote Link to comment Share on other sites More sharing options...
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