24th – 25th april 2008 zentrum für …ecopharmacovigilance! ecopharmacovigilance concerns the...
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PharmacovigilancePharmacovigilance and and EcopharmacologyEcopharmacology
Giampaolo VeloGiampaolo VeloClinical Clinical PharmacologyPharmacology UnitUnitUniversity of Verona, University of Verona, ItalyItaly
1st 1st InternationalInternational ConferenceConference on on SustainableSustainable PharmacyPharmacy
24th 24th –– 25th April 200825th April 2008
ZentrumZentrum ffüür r UmweltkommunikationUmweltkommunikationOsnabrOsnabrüückck, , GermanyGermany
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Fate of pharmaceuticals in treatment plants (STPs)
CarbamazepineCarbamazepineClarithromycinClarithromycinErythromycinErythromycin
Estrone Estrone LincomycinLincomycinSpiramycinSpiramycin
Removal rate: 0%Removal rate: 0%
AmoxycillinAmoxycillinCiprofloxacinCiprofloxacin
EnalaprilEnalaprilIbuprofenIbuprofenOfloxacinOfloxacin
RemovalRemoval rate: rate: 3030--60% 60%
Atenolol Atenolol BezafibrateBezafibrate
Clofibric acidClofibric acidFurosemideFurosemideDiazepam Diazepam
RemovalRemoval rate; rate; 1010--30% 30%
HydrochlorothiazideHydrochlorothiazideRanitidineRanitidine
SulphamethoxazoleSulphamethoxazoleRemoval rate:Removal rate:
variablevariable
Castiglioni, ES&T 2006
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Prozac in the Thames….British Environment Agency, UK
Cocaine in the Po river…Istituto Mario Negri, Italy
Antidepressants, antiepileptics and statinsin Niagara river and Ontario lake…..
Water Quality Centre, University of Ontario, Canada
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Traces of prescription heart medications and caffeine have even found their way into the
Atlantic Ocean.
Nature Medicine 12, 376 - 377 (2006) Drugs down the drain
Alan Dove
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Spread of drugs in the Spread of drugs in the acqueousacqueous faceface
Drugs that break down rapidly will be found close to their sources and only if they have been released in large amounts. Acetylsalicylic acid is an example of such a drug.
Drugs that are both water-soluble and stable will pass through a treatment plant more or less unchanged and be dispersed in the surrounding watercourse. Bezafibrate and other lipid-lowering drugs are examples of drugs of this kind.
Drugs that are fat-soluble and stable will adsorb to a considerable extent to sludge particles through the sewage treatment process. Fluoroquinolones (a group of antibiotics) are examples of such drugs.
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When medicines are used or misused there can be some serious and
damaging consequences to our global environment and ecosystem.
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Workshop
ECOPHARMACOLOGYJune 9-10, 2006
“Sala Terzian”, RettoratoUniversity of Verona, Italy
Klaus KümmererGiampaolo Velo
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Pharmacology and Eco-Pharmacology
diffuse i.e. emissions of medical care units and the community
aimed, on demand, controlled
administration
various types of organisms of different trophic levels
one type of organismmetabolism/biotransformation/affected organisms
wanted effects in humans are often most important „side effects“ in the environment
active, wanted effects, side effects
wanted effects/side effects
readily (bio) degradable stabledesirable physico-chemical properties
an unknown cocktail of different compounds
one or only a few compounds at the same time
number of compounds administered
Eco-pharmacology(environment)
Pharmacology(humans)
: Kümmerer (Ed) Pharmaceuticals in the Environment, 2nd Ed. 2004; Kümmerer K & Velo G, Drug Safety, 2006
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The pharmaceuticals in the environment can also affect man
chronically, causing many unwantedinteractions, compromising human
responses to medicines, contributingto drug resistance
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EcopharmacovigilanceEcopharmacovigilance!!
Ecopharmacovigilance concerns the adverse events related to drugs
within the ecosystem with allconsequences in humans and
other organisms
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More rational drug use could be very helpful for the patient and for the ecosystem
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RationalRational drugdrug useuse
no no consumerismconsumerism!!
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RationalRational drugdrug useuse
sometimessometimes rationalrational drugdrug useuse meansmeans……
““no no useuse””
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Drug environmental concentrations are well below therapeutic levels,…. …we do not know the significance in
humans of interactions between multiple drugs at low concentrations ingested over the whole lifespan….
…we must think and act on a precautionary basis.
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We should not deny risks simply because they are less than certain. On the contrary we should ensure that we
know in advance the possible damages to human health and the environment,
so that we can prevent them.
Precautionary principlePrecautionary principle
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We should consider special populations, like infants and children,
pregnant women…. type B reactions are
dose/concentration independent….
Precautionary principlePrecautionary principle
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Directive 2004/27/EC of the European Parliament and of the Council of the European Union
Environmental risk assessment as part of a marketing
authorization application.
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Article 8 (3):
(ca) Evaluation of the potential environmental risks posed by the medicinal product. This impact shall be assessed and, on a case-by-case basis, specific arrangements to limit it shall be envisaged;
(g) Reasons for any precautionary and safety measures to be taken for the storage of the medicinal product, its administration to patients and for the disposal of waste products, together with an indication of potential risks presented by medicinal product for the environment”.
Directive 2004/27/EC of the European Parliament and of the Council of the European Union
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Different approaches for the reduction of the pharmaceuticals in the environment
Mid term approach:
Education training and creating public awareness. Rational drug use could be an important issue
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Public consultation
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ECOPHARMACOVIGILANCE?
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