Category Archives: In the News

Cancer Researchers with Industry Ties Report “Rosier” Results

Stephanie Portes-Antoine and Brandel France de Bravo, MPH, Cancer Prevention and Treatment Fund

With all of the cancer studies being performed today, how can consumers be sure of their accuracy? A study by Dr. Reshma Jagsi at the University of Michigan and her colleagues indicates that cancer studies are more likely to have positive results when the researchers have ties to the company that makes the product being studied.[1]

This study focused on cancer research articles published in eight medical journals, including Cancer, the Journal of the National Cancer Institute, the New England Journal of Medicine, the Journal of the American Medical Association, and the Lancet. An author was categorized as having a conflict of interest if he or she reported one or was employed, at the time of publication, by the company that makes the medical product being studied, or if a drug or medical device manufacturer was a source of funding for the study. Dr. Jagsi and colleagues relied exclusively on disclosures and information given in the articles themselves. They did no further investigation into authors’ financial ties to industry such as checking board memberships or employee listings. For this reason, the authors believe that their findings may underestimate the extent and effects of conflicts of interest in cancer research.

The authors reviewed 1,534 articles on cancer studies published in 2006. Twelve percent of the articles included at least one author employed by industry—a company that makes medical products—and 17% of articles declared industry funding. The articles most likely to have conflicts of interest included those with authors from medical oncology departments; articles from North America; and articles where the first or last author was a man (these are most likely to be the senior author or principle investigator).  Studies having to do with diagnostic radiology were least likely to have conflicts, whereas those involving prostate, lung, skin, and hematologic (blood-related) cancer were most likely to have conflicts.

Nearly one-quarter of the articles disclosed a conflict of interest. By looking at funding sources and author affiliations, Dr. Jagsi and colleagues concluded that 29% of articles had an apparent conflict of interest, meaning that disclosures do not tell the whole story. This discrepancy can be due to many factors: some journals may have chosen to omit certain information in the disclosures; different journals have different guidelines and policies on disclosure; and cultural norms regarding disclosure vary from one region of the world to another.

 

Cancer studies with conflict
Industry funding of study
17%
Industry employee
12%
Consulting
12%
Industry funding of other research by author
11%
Honoraria
9%
Stock
8%
Lecture fees
3%
Corporate board
3%
Industry-supplied drugs or technology
2%
Testimony/legal team
1%
Patent
1%

Source: “Frequency, Nature, Effects, and Correlates of Conflicts of Interest in Published Clinical Cancer Research,” Cancer. 2009; 115:2783-2791. Table in this form reproduced from: http://www.ama-assn.org/amednews/2009/05/25/prsa0525.htm

Industry-funded studies were far more likely to focus on treatment than non-industry funded studies (62% vs. 36%) and much less likely to look at epidemiology, risk factors, and effective means of disease prevention and diagnosis (20% vs. 47%).

Randomized clinical trials were more likely to find that a treatment or intervention improved patient survival if a conflict of interest was present. Dr. Jagsi and his co-authors suggest that several factors may account for this. Industry-funded research may tend to design studies that are likely to show their products are effective. The example they give is trials where a drug is tested against a placebo rather than against a drug already in use. Also, journals may be more interested in publishing positive results, which would inadvertently favor studies whose authors have conflicts of interest.

Since randomized clinical trials are the gold standard for the adoption of new therapies and technologies, these conflicts of interest or “funder effects” have serious implications for cancer treatment and public health. Even if industry funding does not lead researchers to exaggerate a treatment or product’s benefits, studies have indicated that they may tend to not publish negative findings. For example, an analysis of 44 studies on the cost-effectiveness of new oncology drugs found that those sponsored by industry were less likely to conclude that a drug was not cost-effective than studies funded by agencies or institutions without a profit incentive, such as government or university-funded studies.[2] In fact, the industry-funded studies were eight times less likely to assess a drug unfavorably than non-industry studies.

Studies dating back as far as 1986 have shown that clinical trials funded by industry are far more likely to favor new therapies over traditional ones.[3] New therapies usually cost more, and usually less is known about their potential risks.

Medical researchers often rely on industry funding, and this is true for cancer researchers. In a study published in 2013, Dr. Francisco Emilio Vera-Badillo and colleagues at the University of Toronto found that 63% of the breast cancer studies they looked at were funded by industry, but they did not find that the results of the studies necessarily favored the companies that paid for them.[4] Other studies, however, indicate that industry funding affects not only the way results are reported but the type of research that is carried out. This is why it is important that medical research—which is for the benefit of all, not just those who manufacture drugs and other therapies—receive funding from diverse sources, including those without a profit incentive. Since the new research indicates that not all conflicts of interest are acknowledged in medical publications, journals should implement stricter policies regarding accurate disclosure of potential conflicts of interest. In addition, peer reviewers and editors should scrutinize the study design and data analyses carefully and ask tough questions of authors to ensure the accuracy of the findings and conclusions. These efforts are especially crucial when the studies involve treatment for potentially fatal diseases such as cancer.

For information on the misrepresentation of effectiveness and side effects of cancer treatments, click here.

References:

  1. Jagsi R, Sheets N, Jankovic A, Motomura AR, Amarnath S, Ubel PA. Frequency, nature, effects, and correlates of conflict of interest in published clinical cancer research. Cancer. 2009;115: 2783-2791.
  2. Friedberg M, Saffran B, Stinson TJ, Nelson W, Bennett CL.. Evaluation of conflict of interest in economic analyses of new drugs used in oncology. Journal of the American Medical Association. 1999; 282: 1453-1457
  3. Davidson RA. Source of funding and outcome of clinical trials. Journal of General Internal Medicine. 1986; 1:155-158.
  4. Vera-Badillo, FE, Shapiro, R, Ocana, A, Amir, E, Tannock, IF. Bias in reporting of endpoints of efficacy and toxicity in randomized, clinical trials for women with breast cancer. Annals of Oncology. 2013; 00: 1-6.

Decisions in the dark: The FDA, breast cancer survivors, and silicone implants

Decisions in the Dark: The FDA, Breast Cancer Survivors, and Silicone Implants warns that industry-funded data indicates that reconstructive surgery patients experience substantially more complications, ruptures and a greater need for additional corrective surgeries than women who receive implants for augmentation purposes. The report also highlights FDA research showing that silicone implants interfere with mammography and may limit future breast cancer treatment options such as lumpectomy and sentinel node biopsy.

The report reveals that:

  • After selling silicone breast implants to tens of thousands of mastectomy patients in the last 5 years, under the conditions that they participate in clinical trials, implant manufacturer Implant included only 80 mastectomy patients in their longitudinal safety study submitted to the FDA, and Mentor Corporation included 0 breast cancer patients in their only long-term study;
  • Industry-funded research reveals that reconstruction patients experience two to three times as many complications and additional surgeries as augmentation patients;
  • Most ruptures (86 percent) are “silent” and can only be detected with MRIs, yet Inamed included less than 30 women in their sample of breast cancer patients undergoing MRIs to determine rupture rates, and the medical societies for plastic surgeons do not advise women to undergo MRIs.
  • Research consistently indicates that reconstruction patients are not enjoying life more than mastectomy patients without reconstruction, and there is evidence they may be more likely to commit suicide; and
  • Breast implants can limit treatment options for later breast cancer.

View report

Reconstructive Breast Implantation After Mastectomy

Diana Zuckerman, PhD, Archives of Surgery: July 2006

Henriksen et al provided useful data on the short-term complications of breast reconstruction with implants.[1] Although the invited critique described the complication rate as “alarmingly high and arguably unacceptable,” the complication rate is even higher in other studies with superior study designs.

For example, a study conducted by implant manufacturer Inamed found that 46% of reconstruction patients needed additional surgery within the first 2 to 3 years after getting silicone gel breast implants 2 – more than twice as high as the 21% reported by Henriksen et al. One explanation is that the women in the Henriksen study had breast implants for an average of only 23 months, compared to 2-3 years in the Inamed study. Henriksen et al reported that 31% developed at least one serious complication and 16% developed at least 2 serious complications. The Inamed study reported that 25% underwent implant removal, 16% experienced Baker III-IV capsular contracture, 6% experienced necrosis, 6% had breast pain, and 6% had scarring, in addition to infections and other complications. [2]

Henriksen et al concluded that “reconstruction failure (loss of implant) is rare.” However, in addition to the short follow-up, Henriksen et al did not use Magnetic Resonance Imaging (MRIs) to detect rupture, thus undercounting the number of ruptures according to the FDA. [3] A study using MRIs found that 20% of reconstruction patients had ruptured implants by the third year;4 very few ruptures were detected without MRIs. Food and Drug Administration scientists concluded that the risk of rupture would likely increase exponentially every year.

Henriksen et al’s lack of MRI use also helps explain the lower rate of additional surgery. If a woman underwent an MRI and learned that her implant was ruptured, she would probably have surgery to remove it.

In his critique, Singh states that “the immunologic and systemic complications ascribed to implants (silicone or saline) have been debunked by the Institute of Medicine’s 1999 definitive report.” However, most research on diseases among implant patients was published after 1999. The IOM report included only 17 studies of autoimmune diseases among implants, almost all of which studied small numbers of women for short periods of time. Many of the studies reported higher levels of disease or symptoms among women with breast implants, which would have reached statistical significance if maintained in larger studies conducted for a longer period of time. For example, the study by Schusterman et al, included only 250 women with implants, all of whom had implants for 2 years.

In 2001, Food and Drug Administration scientists reported a significant increase in fibromyalgia and several other autoimmune diseases among women whose silicone gel breast implants were leaking, compared to women with silicone implants without extracapsular leakage. [3] The National Cancer Institute (NCI) found a doubling of deaths from brain cancer, lung cancer, and suicides among women with breast implants compared to other plastic surgery patients. [5] National Cancer Institute findings regarding autoimmune diseases were not definitive. [6] National Cancer Institute scientists concluded that more research was needed to determine if implants increase the risk of cancer or autoimmune diseases. [5,6]

The unanswered questions about diseases and the high complication rate for breast cancer patients raise important safety issues about breast implants. It is difficult for patients to receive informed consent when definitive long-term data are not yet available.

References:

  1. Henriksen TF, Fryzek JP, Holmich LR et al Reconstructive breast implantation after mastectomy for breast cancer: clinical outcomes in a nationwide prospective cohort study. Arch Surg. 2005; 140: 1152-1159.
  2. Inamed Corporation’s McGhan Silicone-Filled Breast Implants, October 14-15, 2003, slides presented by the FDA, http://www.fda.gov/ohrms/dockets/ac/03/slides/3989s1_02-update_files/frame.htm
  3. Brown SL, Pennello G, Berg WA, et al. Silicone gel breast implant rupture, extracapsular silicone, and health status in a population of women. Journal of Rheumatology. 2001; 28:996-1003.
  4. FDA Summary Memorandum, Inamed PMA Review Team, March 2, 2005., http://www.fda.gov/ohrms/dockets/ac/05/briefing/2005-4101b1_tab-1_fda-Inamed%20Panel%20Memo.pdf
  5. Brinton LA, Lubin, JH, Murray MC, et al. Mortality among augmentation mammoplasty patients: an update. Epidemiology. 2006; 17: 162-169.
  6. Brinton, LA, Buckley, LM, Dvorkina, O et al. Risks of connective tissue disorders among breast implant patients. American Journal of Epidemiology. 2004, 180: 619-627.

Diana Zuckerman appears on CNN Tonight

Diana Zuckerman, PhD, CNN Tonight: December 18, 2009

The following is the transcript from the segment.

LOUISE SCHIAVONE, CNN CORRESPONDENT (voice-over): A bipartisan effort in the Senate this week to open the nation’s doors to pharmaceutical imports seem to be on track with this campaign trail rallying cry from then candidate Barack Obama.

OBAMA: Then we’ll tell the pharmaceutical companies thanks, but no thanks for overpriced drugs.

(APPLAUSE)

OBAMA: Drugs that cost twice as much here as they do in Europe and Canada and Mexico. We’ll let Medicare negotiate for lower prices. We’ll allow the safe re-importation of low cost drugs from countries like Canada.

SCHIAVONE: A little more than a year after that campaign stop in Newport News, Virginia, the head of President Obama’s Food and Drug Administration urged a no vote on a drug imports bill proposed by North Dakota Senate Democrat Byron Dorgan. Commissioner Margaret Hamburg raising “significant safety concerns” and calling the measure “logistically challenging to implement and resource intensive.” Former Democratic congressional staffer David Sirota, now a left of center political analyst, says the Dorgan amendment would’ve achieved the goals of candidate Obama.

DAVID SIROTA, AUTHOR: Many of the drugs that people consume at their pharmacy right now are made not in this country. What this bill merely would have done would allow wholesalers and pharmacists to buy those drugs at the international world market price, a lower price than they’re being sold here. SCHIAVONE: The Dorgan proposal, with some Republican backing would’ve permitted licensed U.S. pharmacies and drug wholesalers to import FDA approved drugs from Canada, Europe, Australia, New Zealand, Switzerland and Japan, passing along the savings to consumers, savings which Dorgan says could have been in the tens of billions of dollars over the next 10 years. Those savings are no small matter to the National Research Center for Women and Families.

DIANA ZUCKERMAN, NATL. RESEARCH CENTER FOR WOMEN AND FAMILIES: We were hoping that the time had come when the American public and our public health would be the first priority, not the interests of drug companies. And that’s the biggest disappointment –that the drug companies — their lobbyists — as usual have had their say much more so than they deserve.

SCHIAVONE: The Center for Responsive Politics finds that from 1998 to the present, the pharmaceuticals and health products business was the top spending lobby, investing more than $1.7 billion. The industry leads the pack this year with expenditures so far listed at nearly $200 million. Pharma, the pharmaceutical lobby’s main voice offered no apologies telling CNN “the Dorgan amendment was defeated because common sense people recognize there is no way to guarantee the safety and efficacy of medicines brought into the United States outside of the FDA’s control.”

(END VIDEOTAPE)

Cancer Prevention and Treatment Fund Responds to FDA’s Approval of Gardasil for Males

Diana Zuckerman, PhD, Cancer Prevention and Treatment Fund, October 16, 2009

FDA’s approval of Gardasil for males on the basis of such short-term data makes no sense.  The FDA should have required longer-term data.  Will the FDA tell parents how little we know about long-term safety or effectiveness, especially for boys but even for girls?  I am very disappointed in the FDA’s premature decision about Gardasil for boys.  There was no rush because there is no dangerous epidemic of genital warts in the U.S, and these warts often go away without treatment.  If the vaccine is not effective for more than a few years, it would be extremely expensive and of little benefit, adding to our skyrocketing medical costs instead of improving our health care.

In contrast, the approval of Cervarix makes sense because the vaccine seems to work more effectively for girls than Gardasil.  However, for all vaccines, we need better data on the risks compared to a placebo without the adjuvant.  That’s important, because the adjuvant used for vaccines can have serious side effects.

FDA, in First Tobacco Action, Bans Flavors

Susan Heavey, Reuters: September 23, 2009

WASHINGTON (Reuters) – The U.S. Food and Drug Administration took its first steps to rein in the tobacco industry on Tuesday, implementing a ban on candy, clove and other flavored cigarettes.

The move, required by a law passed earlier this year giving the FDA greater power over tobacco products, aims to help prevent children and teenagers from smoking.

“Candy and fruit flavored cigarettes are a gateway for many children and young adults to become regular tobacco users,” Dr. Lawrence Deyton, head of the FDA’s Center for Tobacco Products, told reporters in a conference call.

In June, President Barack Obama signed legislation allowing the FDA to oversee the manufacturing and marketing of cigarettes and other tobacco products, including regulating ingredients and limiting advertising. The agency must also approve any new tobacco products.

Still, the bill excludes any immediate action on menthol, or mint, flavored cigarettes that are used by as many as 12 million Americans, including most African-American smokers. Lawmakers instead called on the FDA to study the issue.

It is not immediately clear how effective the ban will be or what impact it will have on smoking habits.

“Although it will take time for it to have a 100 percent effect … it will have a dramatic effect on children and young women who are most likely to smoke these products,” said Diana Zuckerman, president of the National Research Center for Women & Families.

Children who already smoke may switch to regular cigarettes, but many will be reluctant try smoking if products don’t taste good, she said. “I think it does make it harder for companies to try to get away with anything,” she added.

The ban in unlikely to affect U.S. tobacco companies such as Altria Group Inc’s Philip Morris unit and Lorillard Inc’s Lorillard Tobacco Co, which do not make flavored cigarettes.

But some advocates have already expressed concern that smaller companies will simply shift their attention to cigars, snuff and other tobacco products not covered by Tuesday’s ban.

The Campaign for Tobacco-Free Kids, which supported the FDA’s new oversight, said the nation’s top distributor of clove-flavored cigarettes, California-based Kretek International Inc., now sells clove cigars that look and taste like its clove cigarettes.

Representatives for Kretek, which imports most of its products, could not be immediately reached. Star Scientific and other companies also make dissolvable smokeless tobacco products in various flavors.

FDA’s Deyton said the agency would discuss other flavored products.

The FDA posted information about the ban on its website here

(Editing by Steve Orlofsky)

FDA Advisers Back Glaxo’s Drug for Cervical Cancer

Marie McCullough, Philadelphia Inquirer: September 10, 2009

Government advisers yesterday recommended federal approval of Cervarix, the GlaxoSmithKline cervical cancer vaccine, after reviewing studies showing it is significantly more effective than Gardasil, the rival vaccine made by Merck & Co.

But Merck’s product, which has had a three-year head start in the U.S. market, got another boost yesterday when the committee urged the U.S. Food and Drug Administration to expand its approval for prevention of genital warts to a new market: males ages 9 to 26.

Both vaccines prevent infection with two types of human papillomavirus that cause about 80 percent of cervical cancers. Only Gardasil also protects against two types of HPV that cause 90 percent of genital warts.

While the FDA is not required to follow advisers’ recommendations, it usually does.

The latest endorsements will likely sharpen a rivalry with much local resonance. London-based GlaxoSmithKline P.L.C. directed much development of its vaccine at offices in the Philadelphia region, while Gardasil is made in and marketed from West Point, Montgomery County, home to Merck’s vaccine division.

The new studies also come as enthusiasm for HPV vaccination – hailed as a public health breakthrough three years ago – seems to be cooling amid persistent concerns about safety and questions about how long the vaccine protection will last. Gardasil’s sales slid 5 percent last year to $1.4 billion.

GlaxoSmithKline had submitted Cervarix clinical trial data and sought approval more than two years ago, but the FDA asked for more information. The agency was concerned that the vaccine’s novel “adjuvant” – a chemical that heightens immune response to the vaccine – might be triggering rare autoimmune diseases such as optic neuritis or Guillian-Barre syndrome.

In March 2009, GlaxoSmithKline submitted data from the single largest trial of a cervical cancer vaccine to date, with nearly 30,000 participants receiving Cervarix, some for as long as 6.4 years. The data showed that autoimmune diseases were not more common among vaccinated women than those in a control group.

GlaxoSmithKline also addressed another FDA concern – about spontaneous abortion. Although women were given a pregnancy test and told they should not be vaccinated if they were pregnant, about 7,200 got pregnant around the time of vaccination.

More spontaneous abortions occurred in the Cervarix group than the control group – 13 percent compared with about 9 percent – but this could have been by chance.

“I think we have to remember that both groups had lower spontaneous abortion rates than” normally occur in women in general, noted committee member Kenneth Noller, an obstetrician-gynecologist at Tufts University School of Medicine in Boston.

Like Gardasil, Cervarix is too new for scientists to know whether protection against HPV will last indefinitely. But Cervarix effectiveness data were clearly superior to those of Gardasil.

Like Gardasil, Cervarix was more than 90 percent effective at preventing precancerous lesions caused by the two “high-risk” HPV strains in women who had not been exposed to the virus before immunization. But Cervarix also was 75 percent effective at protecting against three cancer-causing HPV types that are not part of the vaccine, while Gardasil is only about 50 percent effective against one nonvaccine type.

In addition, blood tests showed that the concentration of virus-fighting antibodies was two to three times higher with Cervarix than with Gardasil – and remained high for 6.4 years.

By contrast, antibody levels fell back to natural pre-vaccination concentrations after two to three years in both males and females who had the Gardasil shots.

Merck officials say ongoing studies show that the vaccine remains effective in warding off warts and precancerous lesions despite the fall-off in antibodies. “But I would not tell you we’ll never need to give a booster shot” to Gardasil vaccines, Gregg Sylvester, Merck director of medical affairs for adult and adolescent vaccines, said in an interview after the hearing.

Others, like researcher Diana Zuckerman, say Gardasil is increasingly unappealing, especially considering that women have to continue to get regular Pap smears to screen for cervical cancer. Zuckerman is president of the National Research Center for Women and Families and a fellow at the University of Pennsylvania’s Center for Bioethics.

“Our center was excited when Gardasil was first approved, but the more we learned about how limited the data were, the more concerned we became,” she told the committee. “This is a very expensive vaccine – costing more than $400 – and we need to know how long it lasts. That’s true for women, and it’s even more true for men since the benefits are more limited. The boys of America are not facing an epidemic of genital warts.”[…]

 

Read the original article here.

FDA Panel Backs Glaxo’s Cervical Vaccine for Women

Matthew Perrone, Associated Press: September 9, 2009
Printed in the Associated Press, The Houston Chronicle, San Francisco Examiner, and other newspapers across the country

WASHINGTON — Drugmaker Merck likely will face U.S. competition for its vaccine Gardasil, after federal experts recommended rival GlaxoSmithKline’s Cervarix also be approved to prevent the virus that causes most cervical cancers.

The FDA’s panel of vaccine experts voted overwhelmingly Wednesday that Cervarix appears safe and effective for girls and women ages 10 to 25. If the FDA follows the group’s advice as it usually does, Glaxo would begin competing against Merck’s Gardasil, which has controlled the U.S. market since 2006.

But Merck won its own small victory at the meeting, as the same panel recommended Gardasil be expanded to prevent genital warts in boys, a new use for a vaccine that already posts sales of more than $1 billion.

While panelists favored the expanded approval, they questioned how widely the vaccine would be used, since genital warts are not a serious medical condition.

“Genital warts are a nuisance, they’re ugly and can sometimes be stigmatizing,” said Dr. Kenneth Noller, of Tufts University. “But in men and women with healthy immune systems they go away by themselves.”

The human papilloma virus, or HPV, infects about 6 million people in the U.S. each year, and is mainly spread through sexual contact. It usually causes no symptoms and goes away within two years, though rare cases can develop into warts and cancer in both men and women.

Last year nearly 4,000 women died of cervical cancer in the U.S., less than 1 percent of all cancer related deaths.

London-based drugmaker Glaxo already has won approval for Cervarix in Europe, but its U.S. launch was delayed in 2007 when the FDA said it needed more data.

Panelists said newer studies suggest the vaccine is safe, but they recommended follow-up studies to monitor miscarriages and inflammatory-muscular problems reported by a small number of patients.

The group said it was unlikely those problems were related to the vaccine, but said the issues should still appear on product labeling.

“I think this could be marketed with the usual caveat that it’s not to be used during pregnancy,” Noller said.

Even if the FDA grants approval, Glaxo will face an uphill battle against competitor Merck. Besides an established brand in the U.S., Gardasil also boasts an extra degree of protection against sexually transmitted diseases.

Gardasil and Cervarix both defend against HPV strains 16 and 18, which cause about 70 percent of cervical cancer cases. But Merck’s vaccine also defends against two other HPV types that cause 90 per cent of genital warts, something Cervarix does not target.

Leerink Swan analyst Seamus Fernandez estimates Cervarix will eventually make up 25-30 percent of the total market for HPV-blocking vaccines. Cervarix global sales were $231 million last year.

In separate votes Wednesday, FDA’s panel ruled that Gardasil successfully prevents genital warts in boys and men ages 9 to 26.

While an approval decision from the FDA could theoretically double the market opportunity for Gardasil, analysts don’t expect much use among males.

“If it’s not preventing something serious like cervical cancer and there are questions about safety, I think a parents’ acceptance of the vaccine in young boys might be less urgent than for their girls,” Fernandez said in an interview last week.

Gardasil became an early success story for Merck after its launch, with sales growing to over $1.4 billion last year.

But momentum has slowed amid questions about the longevity of the vaccine’s effect and its cost effectiveness, considering its price tag of nearly $400.

Merck has tracked HPV immunity out to five years in women, and just three years in boys and men. Public health advocates argued Gardasil should not be approved for boys without evidence of its long-term effectiveness.

“The boys of America are not facing an epidemic of genital warts,” said Diana Zuckerman, of the National Research Center for Women and Families in Washington, during a public comment period. “We have time to wait for better data before approval.”

Dr. Richard Haupt, Whitehouse Station, N.J.-based Merck’s head researcher for Gardasil, said the company plans long term studies to track the vaccine’s effectiveness over time.

“Our long term evaluations will look at immune response, but more importantly they will look at disease prevention over time,” said Haupt.

Glaxo’s Cancer Vaccine Inches Toward Approval

Matthew Perrone, Associated Press: September 4, 2009

WASHINGTON (AP) — Federal regulators said Friday that a GlaxoSmithKline vaccine prevents the leading cause of cervical cancer in women, bringing the company one step closer to competing with Merck’s blockbuster Gardasil, which has controlled the U.S. market for three years.

In documents posted online, the Food and Drug Administration said Cervarix _ Glaxo’s vaccine against human papilloma virus or HPV _ successfully blocked the two leading strains of the virus nearly 93 percent of the time.

But even as the British drugmaker moves closer to competing in the U.S., Merck is poised to begin marketing Gardasil to boys and men. In a separate review, the FDA said that vaccine prevented genital warts in males 90 percent of the time.

The agency will ask a panel of vaccine experts next week to weigh in on both vaccines. The FDA is not required to follow the group’s advice, though it usually does.

While Merck has suggested the approval for boys could double the potential market for Gardasil, Leerink Swann analyst Seamus Fernandez said the benefit likely will be minimal.

Genital warts caused by HPV usually clear up by themselves, and the cancers caused by the virus are extremely rare in men.

“If it’s not preventing something serious like cervical cancer and there are questions about safety, I think parents’ acceptance of the vaccine in young boys might be less urgent than for their girls,” said Fernandez.

Glaxo has won a number of government contracts for Cervarix in Europe, but its U.S. launch was delayed in 2007 when the FDA said it needed more data about the vaccine. Earlier studies of Cervarix showed a higher number of muscular and neurological problems among patients who used the vaccine compared with an alternate treatment.

The FDA said Friday that outside experts have now determined Cervarix did not cause those problems.

“The conclusion in the case of each of these efforts was that the data are not sufficient to establish a link,” the agency said in its review.

FDA reviewers also noted a slightly higher rate of miscarriages in women taking Cervarix, but said “the data do not establish a causal relationship.”

Glaxo wants its vaccine approved for girls and women ages 10 to 25. The FDA is expected to make a decision on the vaccine later this year, but analysts say London-based Glaxo may still have trouble making inroads into the U.S. market.

Gardasil and Cervarix both defend against HPV strains 16 and 18, which cause about 70 percent of cervical cancer cases. But Merck’s vaccine also defends against two other HPV types that cause 90 percent of genital warts, something Cervarix does not target.

The most common side effects with both vaccines were pain and swelling at the injection site.

Gardasil became an early success story for Merck after its 2006 launch, achieving sales that are rare for a vaccine. The company has sold about 50 million doses worldwide, with more than $1.4 billion in revenue last year.

But sales have been slowing amid questions about the longevity of the vaccine’s effect and its price tag of nearly $400. In the most recent quarter, Gardasil sales fell to $268 million, down 18 percent from the prior year period.

A government-funded study last year found that the HPV vaccine is cost-effective for young teens, but not for women in their 20s. And labeling for the vaccine notes that the “duration of protection of Gardasil has not been established.” Company trials have only tracked immunity out to five years after receiving the three-injection regimen.

Whitehouse, N.J.-based Merck will make the case on Sept. 9 for approving the vaccine for boys and men ages 9 to 26.

But the company is expected to face push-back next week from public health activists who already question the vaccine’s benefit for its main target market: women.

Some argue that $375 is too much to pay to protect against genital warts and diseases like penile cancer, which affect less than 1 percent of American men.

“It’s a lot of money for a little bit of extra protection from diseases that are not a big problem in this country,” said Dr. Diana Zuckerman of the National Research Center for Women and Families in Washington. Zuckerman, who is scheduled to speak at next week’s meeting, says the additional use will do more to boost Merck’s sales than control HPV-related diseases.

“This is great for the company. The more people use this vaccine, the more money the company makes,” Zuckerman said.

Cancer of the penis and anus are extremely rare, with less than 2,000 cases reported annually. But Merck argues the cost of treating those cases is often underestimated.[…]

House Moves to Ban Lead from Toys and Kids’ Goods

Jim Abrams, Associated Press: July 30, 2008

WASHINGTON (AP) – Dismayed by reports of millions of tainted toys, the House neared a vote Wednesday to ban lead and other dangerous chemicals from toys and other products that could wind up in kids’ mouths.

The legislation also would toughen rules for testing children’s products and take steps to give more muscle to the Consumer Product Safety Commission, which was criticized last year for its feeble handling of a flood of goods from China deemed hazardous to children.

“Congress is about to sign off on the most comprehensive product safety legislation in decades,” said Dr. Diana Zuckerman, president of the National Research Center for Women & Families.

The bill, a product of House-Senate negotiations, would ban lead in products for children 12 or younger, and would ban – either permanently or pending further study – six types of phthalates, which are chemicals that are found in plastics and suspected of posing health risks.

House passage would send the measure to the Senate, which could approve it before Congress leaves for its August recess at the end of this week. The White House has voiced opposition to parts of the legislation but has not threatened a veto.

The bill would require third-party testing for many children’s products, a key change in monitoring practices following a year in which 45 million toys and children’s products – 30 million from China – were recalled.

Those included lead-contaminated children’s jewelry, “Spider-Man 3” flashing rings and Halloween pails.

“Third-party testing is a centerpiece of the new law” and a victory for consumers, said Ed Mierzwinski, consumer program director of U.S. PIRG, a grass-roots environmental organization.

The bill would double the budget of the Consumer Product Safety Commission, to $136 million by 2014, and give it new authority to impose civil penalties on violators. The CPSC was founded in 1973 with a staff of about 800. It now employs about half that number, while imports have vastly increased.

It also would boost whistleblower protections to encourage people to report hazards to the CPSC and would direct the agency to set up a database where consumers, government agencies, child care providers or doctors could report incidents of injury, illness, death or risk related to products.

One of the more controversial provisions is the ban on six types of phthalates, chemicals used in a wide range of products, including toys, to make vinyl soft and flexible. Tests on rats have found links to possible reproductive system problems for males and the onset of early puberty for females, and the European Union has banned the six.

Ami Gadhia of Consumers Union said infants are exposed to phthalates through toys, teethers and health care products. While there is no conclusive evidence that the chemical causes health problems in humans, she said a recent study found that mothers reported use of infant lotion, infant powder and shampoo was significantly associated with phthalate urinary concentrations.

But phthalates, said Sharon Kneiss of the American Chemistry Council, “are an important part of our everyday lives. There is no scientific basis for Congress to restrict phthalates from toys and children’s products.”

Under the new third-party testing regimen, a standards organization would set up and run a mandatory protocol that testing labs would have to meet to certify a product. No covered children’s product or toy could be imported without a certification mark. The CPSC has authority to approve and audit the certifications.

The negotiators also resolved to make more products now covered by voluntary industry standards subject to mandatory standards. That step added several potential toy hazards, including goods containing small magnets that were included in products recalled last year, subject to third-party testing requirements.

Among other provisions, the bill requires the CPSC to adopt safety standards on all-terrain vehicles and close a loophole where cribs sold secondhand were not subject to the same standards as new cribs.

The bill is H.R. 4040