The Drug Industry and Clinicians Steven Miles, MD [email protected] Slides available Why is this ethics? I will use regimens for the benefit of the ill.
Download ReportTranscript The Drug Industry and Clinicians Steven Miles, MD [email protected] Slides available Why is this ethics? I will use regimens for the benefit of the ill.
The Drug Industry and Clinicians Steven Miles, MD [email protected] Slides available Why is this ethics? I will use regimens for the benefit of the ill in accordance with my ability and my judgment Beneficence Clinical Judgment Public policy, reimbursement, drug approval Hippocrates 500 BC I do not believe that any clear knowledge of Nature can be obtained though any source other Science: Fair,and then than a study of medicine transparent only through a thorough mastery Respecting autonomy, acquisition &anyone informed consent of this science. …Thus, if were able to light upon the truth analysis of data by experiment…he would always be Any man must have the able to make the best personal understanding to pronouncements of all. I will teach them this skill and rules and lectures and all the rest of learning Clinical Education help himself in disease and to judge what physicians say and what they administer to his body A Few Words about Conflicts of Interest Neither the speaker nor any member of his immediate family has any personal or institutional or financial relationship with any health care lobbying group or insurance company or pharmaceutical or medical device manufacturer. I do not represent the positions of such groups on a voluntary basis nor do I take honorariums or educational grants from such groups. The material for this talk was entirely compiles by independent scholarship. Outline • Drug Company Sponsored Research • Drug Marketing in Medical Education • Consumer Marketing Who pays for biomedical research? $95 Billion per year. JAMA 2005;294:1333–42. Drug Companies’ Profits (True/False: High drug barely cover R &D costs? FALSE) 3rd rank Fortune Magazine 25 years of studies show corporate-sponsored research has more pro-corporate findings than independent research. Corporate trials 1.8 X as likely to Corporate favor new med/ trials 4 X as surg /dx method likely to be favorable. 2003 30 studies BMJ 2003; 326:1167-71. 2004 Multivariate 158 drugs,87 surgical, 87 other tx. CMAJ 2004; 170:477-80. Corporate trials 4.9 X as likely to favor a psych med. 2005 162 multivariate RDB-PC Trials. Am J Psych 2005; 1957-60. Survival improved in 37% drug co trials, 17% non-company trials (p.<04) 2006 2009 134 oncology RCTs Cancer 2009; 115:2783-01. See next slide. Favorable Outcomes of Corporate Sponsored v Independent Research Published 2000-2005 in JAMA, LANCET and NEJM N=39, p.=07 N=205, p.002 N=104, p.001 JAMA 2006;295:2270-74. Internal Inconsistency: Sponsored studies CONCLUSIONS are BETTER than the RESULTS/DATA. • 192 Randomized Controlled Trials comparing a statin to another statin or a non statin (95/192 manufacturer funded). • 20.2: Odds ratio of RESULTS favoring corporate sponsor v non corporate drug (p < 0.001). • 34.6: Odds ratio of CONCLUSIONS favoring corporate sponsor v non corporate drug (p < 0.001). PLoS Medicine 2007;4(6):e184. Cross-sectional, multivariate. Internal Inconsistency: Sponsored studies ABSTRACTS are BETTER than the RESULTS/DATA. • 62% industry trials • 0% of non-corporate trials had a favorable outcome in the ABSTRACT that was not supported by the DATA. (P.<.0006) • Amer J Opthal 2009;147:33-8. 39 studies comparing topical prostaglandins for lowering intraocular pressure in glaucoma. 29 industry funded, 10 not. The studies were equally likely to have data showing positive effect 24%, 20% P=1. Corporate-sponsored COST-EFFECTIVENESS STUDIES are more likely to be favorable. • Studies with industry sponsors 1.9 X more likely to have positive conclusions about costs than studies supported by nonprofit organizations. – – 150 studies Brit J Cancer 2003;89:1405-8. See also NEJM 1998;338:101; Brit J Psychiatr 2003 (s)183: 498-506. CMAJ 2007;176:199-205. 19 studies 1/1/20-7/1/06 about insurance costeffectiveness of drug-eluting stents vs bare-metal stents. P<.003 Delay Outcome Research and Results Publication: Zetia and Vytorin 2002 FDA approves with no mortality outcome data because it lowered cholesterol. 2004 2005 Makers begin outcomes trial. 2006 April: Trial Completed. Tx: 800,000 Americans/week Earn $4 Billion/yr. 20% of US cholesterol drug market. Ad budget $155 M Zetia & Vytorin (Generic Simvastatin cost a third as much and was shown to decrease mortality.) -Forbes 2008 Results leak: No benefit, Possible Harm! Corporate sponsored META-ANALYSES are more likely to be favorable than independent papers. • Corporate sponsored meta-analyses 5.1 (OR 1.5 - 16.9) times more likely to report favorable conclusions. – BMJ 2007;335:1202-05 124 meta-analysis, (40% supported by a drug company), multivariate, (regression analysis) Meta-analysis: the statistical compilation of several studies for finding out their larger conclusion. (Glass, 1976) Publication Bias & Sponsored Studies • When results are positive, sponsors more likely to publish multiple papers on preliminary and final results. – BMJ 2003;326:1171-6. (42 studies) • Duplicate publication of the same studies resulted in meta-analyses overstating ondansetron’s antiemetic efficacy by 23%. – BMJ 1997;315:635-40. Corporate Ghostwriters • 75% in industry-sponsored trials – JAMA 2008;299 1800-12. See also JAMA 1998;280:222-24. • Orthopedic Devices – Of 32 authors receiving more than $1 Million from five orthopedic companies, 46% disclosed their support even when writing on the company product. – Arch Int Med 2010;Sept 13 online first. • Refoxecoxib (Vioxx) – 50% (36/72) of review ghost authors disclosed support. – JAMA 2008;299-1800-12. Corporate Ghostwriters • Wyeth paid Excerpta Medical (medical communications company) $200,000 for 10 articles. –“I was given explicit instructions about what to play up and what to play down—whether to enhance broader off-label use of the pain product or go strictly by the FDA.” –RS –“I was given a list of drug company approved phrases. I was pressured to revise my drafts to position the product more favorably.“ –ML Lancet 1999;354:136. • After controlling for size of benefit, sponsored papers 5.3 X more likely to say corporate drug is “drug of choice.” – JAMA 2003;290:921-928. 370 RCTs from a random sample of 167 Cochrane reviews. Favorable trials are published. Negative trials are not. Some companies present negative studies as positive. 51% of registered trials (published and not published) were favorable to the product. • 94% of the registered trials that were published were favorable. • Publication bias increased apparent efficacy by 32%, range 11-69% for individual drugs. • – N Engl J Med 2008;358: 252-60. 74 FDA-registered studies, 12 antidepressants, 12,564 patients. See also Psych Med 2006;36: 164756. Number of studies Avandia – 9/2010 Sales begin. Divided vote, poor data on risks. Minority report dissents. 1999 WHO warns about heart effects. GSK ordered to post unpub trials because of corporate suppression of data on antidepressant suicides. 2004 2005 NEJM Meta-analysis shows 43% heart attack. Extra deaths~ 47,000. (A peer reviewer leaked review to Glaxo.) FDA: Stronger label. 2006 2007 GSK internal study (that ignores some MIs) finds 31% heart attack. P=NS. GSK conceals memo. BMJ 2010:341:c4848. 1 Million Rxs, Sales from 22% $3B to $1B/Yr. BMJ: Risks> benefits; withdraw it. UK: Ditto. Europe stops sales. FDA restricts sales; divided vote (Avandia speakers vote). 2010 GSK to European Heart Journal: “Withdraw this editorial (critical of Avandia) and refrain from publishing it in any way.” Sales:$500 M/Yr. Corporate-funded authors more likely to publish pro-corporate positions on risk controversies. 4 X more likely to favor a controversial diet aid (Olestra) than those without Proctor and Gamble funding. P<.0001 Corporate sponsored researchers 2.6 X more likely to favor controversial Calcium channel blocker than those without funding. P.<.0001 1998 2000 2002 NEJM 1998;338:101-6. 2003 Am J Pub Health 2003;93:664-9. BMJ 2002;325:249 JAMA 2000;342: 1539-44 3.4 X as likely to favor a controversial diabetic drug (Avandia) than those without corporate funding. P<.0001 (Half of articles had no disclosures of whether there were conflicts of interest. 2005 2010 BMJ 2010; 340:c1344 doi:10.1136/bmj .c1344 FDA Vioxx panel. Non industry connected panelists vote 14 to 8 to keep Vioxx off market. Panelists with company ties voted 9 to 1 to bring Vioxx back to the market. P<.0001 {miles} Why is this ethics? I will use regimens for the benefit of the ill in accordance with my ability and my judgment Beneficence Clinical Judgment What is your duty with regard to reading corporate sponsored research? Public policy, reimbursement, drug approval Science: Fair, transparent acquisition & analysis of data Clinical Education Respecting autonomy, informed consent What is your duty to inform a patient who suffers a bad outcome possibly related to corrupted science? Outline • Corporate Sponsored Research • Drug Marketing to Clinicians • Consumer Marketing More than half of the $1.4 billion for accredited medical education comes from commercial sources. BMJ 2003;326:1163 3rd Year Medical Students • Mean exposure: 1 gift or sponsored activity/wk. • 93% asked or required to attend at least 1 sponsored lunch. • 80% believed that they were entitled to gifts. – JAMA 2005;294:1034-42. Survey 1143 third-year students at 8 US medical schools. Response rate 72.3%. What is the effect of small drug company gifts on Medical Students? • Med School A. Favorability to a branded statin – Students are instructed on Pharm sales techniques – 53% think that drug company materials are useful. – 63% think they affect personal prescribing. • Med School B – 67% think drug company materials are useful. – 29% say they will affect prescribing. – Arch Intern Med 2009;169:887-93. Small branded items, implicit attitude test of favorability. N1=161, 4th year students. .05 .002 Grooming Residents for Detailing Very appropriate .004 .006 Very inappropriate Acad Med 2006;81;595-602. 118 IM res See also Acad Med 2007;82(10):S1-3; 2007;82:94-9. Housestaff views of their own virtues compared to their peers • 2% of residents say rep gifts • 30% of residents say rep gifts have a moderate to lot of have a moderate to lot of influence over themselves. influence over other residents. Am J Med 2001;110:551. • MDs had positive views of detailing despite knowing its conflict of interest. •To reduce cognitive dissonance they: • avoided thinking about the conflict, • said that interactions did not affect MDs, J Gen Int Med 2007;22:184-90 • told how they remained impartial, • said that meetings were educational and benefited patients. . What Do Residents Remember After Sales Rep’s Talk? • 8.4 X more likely to correctly choose rep’s product when it was the first-line agent. • 7.8 X more likely to incorrectly choose rep’s drug when it was a second line agent. • No attendees, unlike those not exposed to rep’ presentations, knew proper, cheaper drug for the 2nd indication. (p< .05). • Acad Med 1996;71:86-8 (most recent data available.) Predictors of Internal Medicine Residency Board (ABIM) Program Pass Rates (3 year running average) Positively Related • Number of faculty Inversely Related • Financial support from drug companies • Clinical duties of residency director (less time for residents) Acad Med 2002;77:50 Free Samples & Patient Care MDs Giving Samples • 2.5 X as likely to start uninsured persons on brand names rather than generics (reverses when samples removed). –Southern Med J 2008;101:888-93. and Am J Med 2005;118:881-4. • Much more willing to say drug reps are valuable in teaching MDs about new drugs. –Acad Med 2009;84:994-1002. Removing Samples • Shifts prescribing toward national guidelines. • Fam Med 2002; 34:729-31. Replicated in Qual & Safety Health Care 2007;16:266-70. • Results 1 to 15% generic prescribing, p>.001. • Arch Intern Med. 2009;169(13):1241-2. 1 clinic pre and post ending samples. First line tx by Joint Nat Comm Tx HBP. Are Drug Ads’ Claims in Medical Journals Supported? Psychiatry Journal Ads • 53% of efficacy claims supported by cite. • Authors asked companies for data supporting claims for which ad did not give data. – 2 of 9 companies supplied data. – 6 of 9 did not respond. – Wyeth: “Unfortunately our internal policies do not allow for distributions of unpublished data.” • J Nerv Ment Dis 2008;196:26773. 69 unique ads in Arch Gen Psych, Am J Psych, NEJM, JAMA, 2006. Rheumatology Journal Ads 18% of 300 cites support claims. • 49% of cited randomized controlled trials supported claim. • – 97% of RCTs funded by drug co. 17% of claims were supported. • 13% of ads were not supported by cited study. • • Rheumatology 2006;45:11154-7. 84 unique ads in Arth and Rheum, Rheumatology, Seminar in Arth and Rhem, J Rheum. Drug Rep Dinner Course and Prescribing Relative Sales Invitation Course Chest 1992;102:270-3. I use this old paper because it is the only such study. Months Off-label Marketing at Conferences & Offices Neurontin-2003 • Pfizer paid academic MDs $1,000 to $300,000/year to promote non-FDA uses. – 38% of sales visits to MDs: main message promoted off label use. • PLoS 2007;40743-50. Trial evidence. • ‘This fraudulent promotion corrupted the information relied upon by doctors thereby putting patients at risk.‘ Fed Prosecutor. • 2003 – Neurontin sales $2.7 Billion. – 90% of Rx for off label use. – Pfizer guilty of illegal marketing; paid $430 M. – NYT 5/30/03 C1,2; NYT 5/14/04 C1. Bextra, Geodon, Zyvox, Lyrica 2009 • Department of Justice: Pfizer – promoted Bextra for several uses and dosages that the FDA specifically declined to approve because of safety concerns. – improperly promoted the anti-psychotic Geodon, the antibiotic Zyvox and the anticonvulsant Lyrica. • Pfizer pay $1.3 billion in criminal fines and $1 billion in civil fines. • Note: Pfizer pulled Bextra from the market in 2005 because FDA concluded its risks, including a rare but serious skin reaction, outweighed its benefit. Ethics and Drug Marketing to Clinicians Public policy, reimbursement, drug approval Beneficence Clinical Judgment I will teach them this skill and rules and lectures and all the rest of learning Science: Fair, transparent acquisition & analysis of data Clinical Education Respecting autonomy, informed consent What is your duty to address the effects of sales representatives on clinicians and medical trainees? Outline • Corporate Sponsored Research • Drug Marketing to Clinicians • Consumer Marketing Ads’ Effects on Patients • Patients with more self-reported ad exposure, conditions treatable by advertised drugs, or more reliant on advertising ask for more advertised drugs. • 6% of patients request an advertised drug. • Pts asking for advertised drug are 17 times as likely to get it. • MDs are more ambivalent about value of a requested advertised drug. • BMJ 2002; 324: 278-9. 2 sites, 78 MDs, 1431 patients. See also: JAMA 2005;293:1995-02. Vioxx Merck documents obtained at trial show that it edited out data on excess deaths in 2001. – JAMA 2008;299:1813-17. Meta-analysis (4 studies, N=18,000): risk X 2.4 heart attack, unstable angina, sudden cardiac death, stroke, TIA with COX-2 inhibitors. JAMA 2001;286:954-59. September 2004: Merck withdraws Vioxx because a new study (N=2,600) shows risk of heart attack and stroke. Merck stock drops 27%, erasing $25 B of market value. Vioxx caused ~ 50,000 excess deaths. Some Ad Campaigns Seem Made to Keep Demand From Softening During A Price Hike 12% price hike Arch Int Med 2009;169:1694-74. Clopidogrel (Plavix) data refers to Medicaid dose charges. Growth in use continued up at same rate through price increase. This is Medicaid’s 10th most costly drug ($400 M in 2003). Total sales in 2005 were $5.9 B. Evening News and Prime Time Drug Ads • 95%: Emotional appeals • 82%: Factual claims. • 86%: Rational arguments. • 58%: Framed med need in terms of losing control over an aspect of life. • 85%: Framed med as regaining control over life. • 78%: Showed med use as engendering social approval. • 58%: Portrayed product as a medical breakthrough. • Ann Fam Med 2007;5:6-13. Why are Drug Ads a Matter for Medical Ethics? Public policy, reimbursement, drug approval Beneficence Clinical Judgment Science: Fair, transparent acquisition & analysis of data Clinical Education Respecting autonomy, informed consent Any man must have the personal understanding to help himself in disease and to judge what physicians say and what they administer to his body Steven Miles, MD Slides Available [email protected]