antidepressants & the politics of health david healy

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  • Slide 1
  • Antidepressants & the Politics of Health David Healy
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  • All Trials GSK House of Common
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  • All Trials GSK House of Common If treatments work, they could be made available for free, they would enhance national productivity, and encourage innovation
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  • We are not in favour of placing anonymized individual patient- level data (IPD) in the public domain in an unrestricted manner specific individuals sd be provided with controlled access to IPD through carefully managed and secure safe havens. Access should be facilitated by an independent gatekeeper responsible for insuring that the data makes a useful contribution to scientific understanding Page 4
  • Slide 6
  • We are not in favour of placing anonymized individual patient- level data (IPD) in the public domain in an unrestricted manner specific individuals sd be provided with controlled access to IPD through carefully managed and secure safe havens. Access should be facilitated by an independent gatekeeper responsible for insuring that the data makes a useful contribution to scientific understanding
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  • Stone and Jones Nov 17 th 2006: FDA
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  • EVIDENT BASED MEDICINE
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  • EVIDENCE BASED MEDICINE
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  • Efficacy 1.6 Week Trials 2.Rating Scales 3.2 positive out of 10 trials 4.100 publications 5.Accentuate the positive 6.All effect down to alcohol 7.Mexican alcohol 8.Gin, whiskey, beer, wine & rum 9.Scotch, Irish & Japanese whiskey 10.NICE Guideline endorsed 11.Cost-Utility Analyses ++ 12.Take life long - NNTs
  • Slide 17
  • Side Effects 1.6-8 week trials 2.10% or more? 3.Anecdotes Disregard 4.Pregnancy 5.Suicide & Violence 6.Dependence - illness 7.LFTs - depression Prescription only Med 1.Amphetamines 2.Risk laundering 3.Stockholm syndrome 4.Legal liability
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  • All RCTs do harm Some may also benefit
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  • R.A Fisher, Design of Experiments. Edinburgh: 1935. Randomization Statistical Significance
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  • Statistical Significance means -You know what you are doing -You get the same result each time
  • Slide 22
  • Statistical Significance means -You know what you are doing -You get the same result each time
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  • FERTILIZERS 1 Effect Hard Outcomes Population Effect DRUGS 100 Effects Surrogates Individual Patient Logically Ungrounded Placebo Fertilizer?
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  • Placebo Response Controlled Trials Informed Consent - Confidentiality Louis Lasagna
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  • Thalidomide Randomized Controlled Trials Efficacy & Safety
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  • The days when a company would go to skilled doctors and give them a new drug and ask them to try it on some different patients seem gone. Is this cause for celebration or depression? In contrast to my role in the 1950s which was trying to convince people to do controlled trials, now I find myself telling people that its not the only way to truth. LOUIS LASAGNA
  • Slide 29
  • Streptomycin Because of RCTs AntibioticsPenicillins DiureticsFurosemide HypoglycemicsMetformin AntihypertensivesThiazides AntihistaminesDiphenhydramine, Chlorphenamine AntipsychoticsClozapine, Haloperidol AntidepressantsImipramine Minor TranquilizersDiazepam StimulantsDexamphetamine, Ritalin SteroidsPrednisone ContraceptivesCOC The Pill Chemotherapies AnticonvulsantsValproate, Phenytoin AnalgesicsMorphine, NSAIDs VaccinesPolio, Smallpox
  • Slide 30
  • EVIDENT BASED MEDICINE
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  • CONFOUNDING
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  • screening randomization drugpbo Run-in/wash out Stop treatment Start treatment RANDOMIZED CONTROLLED DISEASE TRIALS Mild-Mod Depression SSRI Suicidal Acts: follow-up
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  • screening randomization drugpbo Run-in/wash out Stop treatment Start treatment RANDOMIZED CONTROLLED DISEASE TRIALS Severe Depression Imipramine Suicidal Acts: follow-up
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  • screening randomization drugpbo Run-in/wash out Stop treatment Start treatment RANDOMIZED CONTROLLED DISEASE TRIALS Mild-Mod Depression Imipramine Suicidal Acts: follow-up
  • Slide 35
  • Every Time Drug & Illness Produce the same Outcome Anti-arrhythmics Arrhythmias Anti-asthmatics Wheezing RosiglitazoneDiabetes heart attacks Byetta JanuviaDiabetes pancreatitis Antidepressant Suicide Benefit Its the Disease not the Drug if a Hazard Its the Drug not the Disease if a Benefit
  • Slide 36
  • GlaxoSmithKline - 2006 Paroxetine Suicidal Acts 11 v 0 Placebo Suicidal Acts N = 2943 N = 1671
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  • GlaxoSmithKline - 2006 Paroxetine Suicidal Acts 36 v 35 Placebo Suicidal Acts N = 147 N = 147 Paroxetine Suicidal Acts 11 v 0 Placebo Suicidal Acts N = 2943 N = 1671 RR > 6.0
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  • GSK - 2006 Paroxetine Suicidal Acts 47 v 35 Placebo Suicidal Acts N = 3090 N = 1818 RR < 0.80 Paroxetine Suicidal Acts 11 v 0 Placebo Suicidal Acts N = 2943 N = 1671 RR > 6.0
  • Slide 39
  • Randomization controls Fertilizer Confounders It generates ignorance about ignorance About Medicines RCTs give weaker drugs Standardized care Fertilizers - no longer Poisons All RCTs do harm, some may also be of benefit
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  • MEDICULTURE not MEDICINE
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  • Evidence Based Medicine has become synonymous with RCTs even though such trials invariably fail to tell the physician what he or she wants to know which is which drug is best for Mr Jones or Ms Smith not what happens to a non-existent average person If one came to the conclusion that the only way to find out the truth about a medication was to use a controlled clinical trial, it would mean not that the pendulum had swung too far but that it had come completely off its hook Louis Lasagna
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  • Thalidomide Randomized Controlled Trials Efficacy & Safety
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  • August 5 th
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  • ALLTRIALS v RIAT
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  • We are not in favour of placing anonymized individual patient-level data (IPD) in the public domain in an unrestricted manner specific individuals should be provided with controlled access to IPD through carefully managed and secure safe havens. Access should be facilitated by an independent gatekeeper responsible for insuring that the data makes a useful contribution to scientific understanding
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  • Shower Patents Data Exclusivity Prescription-only Status RCTs & Data Evidence v Data Based Medicine Privacy Rights
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  • AbbVie V European Medicines Agency Adverse Events
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  • Bidet Data Based Medicine Comparative Safety Research Drug Trials Patient Reporting Consumer Pressure [Save Money New Drugs]
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  • AERS v ASRS
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  • THE GUILDFORD FOUR If their story is right it is such an appalling vista it cannot be Wrongfully convicted prisoners should stay in jail rather than be freed and risk a loss of public confidence in the law.
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  • When treatments work they can be made available for free, they will enhance national productivity, and encourage innovation
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