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[Read eLetter] Direct-to-consumer services: many unresolved questions
Pascal Borry   (4 March 2008)
[Read eLetter] Some further developments concerning induced pluripotent cells
Søren Holm   (21 January 2008)
[Read eLetter] Male circumcision for HIV - conclusions sensitive to assumptions
John D Dalton   (10 April 2007)
[Read eLetter] Reasons not to test children at risk of adult onset disease
Anneke Lucassen, Angus Clarke, Professor medical genetics, Cardiff, Wales   (7 August 2006)

Direct-to-consumer services: many unresolved questions 4 March 2008
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Pascal Borry,
Postdoctoral researcher
Centre for Biomedical Ethics and Law, KULeuven

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Re: Direct-to-consumer services: many unresolved questions

Pascal.Borry{at}med.kuleuven.be Pascal Borry

For a variety of reasons attempts to introduce commercial testing services in Europe have so far proved rather unsuccessful. Currently, testing for genetic disease or susceptibility is still mainly offered through medical genetics departments in major university hospitals. In this context, genetic testing is restricted to individuals who are considered at (high) risk for this specific disorder and for whom the test would be medically indicated. (1)

Parrticularly in the United States, however, direct-to-consumer genetic tests have been advertised and sold direct-to-consumer. Whether or not European national legislation prohibits direct-to-consumer genetic tests, the internet provides a framemork for an international market in genetic services. Also non-U.S citizens can easily provide a mouth swab that is then sealed in an envelope and mailed to the company for analysis.

Proponents have advanced that this evolution will increase individual freedom and create greater consumer autonomy and empowerment, as well as enhanced privacy of the information obtained. (2) However, this case shows at least two problems that are related to the provision of direct-to- consumer genetic services.

Firstly, direct-to-consumer genetic services cannot ensure that the person who submits the saliva samples to the company for analysis is also the person whose saliva samples are analysed. In this case, the patient’s husband took a sample from his wife and sent it out for analysis. This case shows that direct-to-comsumer genetic services cannot ensure that samples are obtained unobtrusively and sent without consent to a laboratory. Although one can argue that it cannot be the responsibility of the laboratory to ensure this, it is clear that the provision of direct-to -consumer services without the intervention of a health care professional can increase the number of non-consensual testing. Legal protection measures and punishments should be developed for the non-consensual or deceitful obtaining and/or analysis of personal genetic information.

Secondly, when a genetic test is offered in usual clinical practice adequate pretest and posttest counselling will be offered. This will inform before the test the patient about the nature of the test and the disease being tested for and will present eventually treatment options and risk information. After the test counselling will help people to interpret the information and to incorporate it in their personal and family lives. Although direct-to-consumer companies mostly offer free counselling for predictive genetic tests, there is no control on the quality of the counselling. In this case, it became clear that if staff had not been excluded from the process, predictive genetic testing might have been considered through the UK NHS system. There was in this case even no need to by-pass the health care professionals. That the person felt this need to order a direct-to-consumer postal diagnosis of Huntington, might be partly explained by the fact that the existing healthcare system (i.c. the general practitioners) were not able to address this issue with the concerned person. It is unclear what might have motivated this person for such testing, except the fact that in one or another his concerns were not adequately treated by healthcare professionals from the public healthcare system. The fact that the healthcare professionals were not participating in this process goes against the suggested code of practice: “Tests for late onset disorders should not be supplied direct to the public. Any medically qualified person requesting or providing genetic testing for late onset disorders should ensure that they, or another suitably qualified medical practitioners, are actively involved in the process.”(3)

The extent and nature of the impact of direct-to-consumer testing has on genetic counsellling and people seeking genetic health information still remains an open normative and empirical question. However, the possibility that this approach to genetic testing will increase in the future makes exploration of these issues relevant. Various questions will needed to be answered: what is the quality and reliability of the genetic tests that are offered directly?; what kind of information do individuals receive when a test is carried out?; what is the clinical validity and utility of the test?; how can the confidentiality of the personal data obtained be guaranteed?; what are the implications of direct-to-consumer services for the public healthcare system?; which regulations are needed to protect the consumers?

Reference List

(1) Williams-Jones B. Re-framing the discussion: commercial genetic testing in Canada. Health Law J 1999;7:49-67.

(2) Hudson K, Byers P, Burke W, Javitt G. ASHG Statement on Direct- to-Consumer Genetic Testing in the United States. Am J Hum Genet 2007;81(3):635-7.

(3) Advisory Committee on Genetic Testing. Report on genetic testing for late onset disorders. http://www.dh.gov.uk/Home/fs/en; 1998.

Some further developments concerning induced pluripotent cells 21 January 2008
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Søren Holm,
Professorial Fellow in Bioethics
Cardiff University & University of Oslo

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Re: Some further developments concerning induced pluripotent cells

holms{at}cardiff.ac.uk Søren Holm

After the Editorial was written two further papers on induced pluripotent cells have been published. A group led by Daley at Harvard has also reported the creation of such cells using very similar methods, and even more importantly Yamanaka's group has reported that pluripotency can be induced without the oncognenic c-myc factor used in their first publication.

Male circumcision for HIV - conclusions sensitive to assumptions 10 April 2007
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John D Dalton,
Researcher and Archiver
NORM-UK

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Re: Male circumcision for HIV - conclusions sensitive to assumptions

john.dalton{at}norm-uk.org John D Dalton

Re: Rennie S, Muula AS, Westreich D. Male circumcision and HIV Prevention: Ethical, Medical and Public Health Tradeoffs in low-income countries .

Rennie and colleagues are to be welcomed for using the age of circumcision as an ethical vantage point rather than looking at the science behind circumcision as prophylaxis for the HIV infection. While recognising that the authors have merely set up points for discussion rather than dogmatic conclusions, the outcome of their approach is strongly dependent on the input data. I would like to reexamine their work from the perspective of a charity set up to represent the interests of patients who feel harmed by circumcision.

Consent

Rennie and colleagues find assent “vexing”. They state that “the older the child is, the more appropriate it seems to seek his agreement. This is embodied in current BMA Guidance on male circumcision which states “The BMA cannot envisage a situation in which it is ethically acceptable to circumcise a competent, informed young person who consistently refuses the procedure”.[1] Perhaps circumcision is so often performed on normal unconsenting infants is because adults fear that older children or adults would not agree to it. In the absence of immediate therapeutic need, such procedures would normally be limited to cases in which the individual affected is able to give informed personal consent.

Feasibility

The question of feasibility is, I suggest, a red-herring in the context of this ethical discussion. It may be highly feasible to circumcise infants as part their mothers’ confinement but that would not make it ethical. Conversely the introduction of cheap highly available condoms and anti-viral drugs to poor countries would be highly ethical but its feasibility is low in the current international climate.

Risk compensation

It is naive in the extreme to assume that risk compensation would not affect populations circumcised in infancy. Those who are brought up to believe that they had to be circumcised to prevent them acquiring HIV will share the same feelings of invulnerability to infection likely to occur in those circumcised as adults or adolescents. As such, risk compensation cannot be discounted for a population circumcised in infancy and cannot be an argument in favour of circumcision of normal unconsenting infants.

Epidemiological impact

There are two significant threats to the potential for beneficial epidemiological impact of male circumcision in terms of reducing the prevalence of HIV. First, it is possible that following circumcision of a male infant for the purpose of HIV prevention, other less invasive prophylactic procedures would become available and wipe out the benefits before the 15 year delay for the infant to be old enough to benefit from the circumcision. Second there is the question of the level of efficacy; a reduction of 0.67 cases per 100 man-years may prove insignificant in the global fight against HIV. Given the potential for risk compensation or iatrogenic transmission of HIV during circumcisions it is quite possible that the net epidemiological effect will be harmful.

HIV Testing

Ethical concerns about HIV testing cannot be wholly discounted for infant circumcision. HIV transmission from mother to infant is possible and it would raise ethical concerns to perform surgery on a child to prevent a disease he already had. Sparing circumcision for boys found to be HIV positive at or soon after birth would stigmatise boys who might otherwise not be identified as HIV positive. Circumcising them creates an infection risk.

Burden on health services

The burden to health services of circumcision does not end with a simple procedure integrated seamlessly into “reproductive care”. Bailey reported a 1.5% complication rate including anaesthetic morbidity, pubic abscess and impotence.[2] Gray reported complications in 3.6%[3] . Complications of circumcision generally include tetanus, loss of the glans, loss of the entire penis and death.[4] These complications are potentially devastating for the individual and may present an intolerable future burden on health services in low income countries. Equipoise may not be possible in the light of reported complication rates and a reduction in absolute risk [Gray] of only 0.67 cases of HIV per 100 man years. This is particularly so when taking account of the likelihood that the complication rate will be much higher when circumcisions are performed in realistic African settings.

Harms intrinsic to circumcision

Most authors on the subject of male circumcision disregard any possibility that the circumcision could, in the absence of complications, be in any way harmful. The minute that the surgeon cuts the skin, harm is done and the benefits of treatment have to exceed the harm before the doctor is doing any good.[5] Male circumcision permanently removes normal, functional, specialised tissue. It removes specialised sensory tissue[6] half the penile skin[6] and removes the normal gliding function of facilitating intromission.[7] The penis has its appearance permanently altered by circumcision. These changes are not welcomed by all. While some consider circumcision to be a beautification others consider it a disfigurement.

Discussion

Rennie and colleagues’ statement that neonatal male circumcision has significant cost and public health advantages must not go unchallenged. The evidence for the effectiveness of male circumcision in preventing diseases is weak. Only four randomised controlled trials have been published and all but one of these all relate to HIV. All of the HIV trials have been terminated early based on criteria set by the authors. Trials terminated early tend to overestimate the size of the effect.[8] The one RCT of circumcision to prevent UTIs concluded that circumcision did not reduce the number of recurrences of UTIs.[9] Evidence in respect of all other health benefits from circumcision is either contradictory or non-existent. There is a further contradiction inherent in the hypothesis that specialised immunological tissue in the foreskin facilitates HIV uptake while not helping to prevent other STIs or UTIs.

It is important to consider whether infant circumcisions performed with a view to preventing HIV should be deemed therapeutic. The term therapeutic normally implies the treatment of existing disease or deformity. The term prophylactic is perhaps more appropriate for interventions intended to prevent disease in future. Prophylactic surgery on normal unconsenting children normally raises serious ethical concerns.[10] Therapeutic surgery is normally justified on the basis of disease being present, non-invasive treatment being impossible, surgery being effective and valid informed consent being present. Non-therapeutic surgery is normally only acceptable when it is requested by an informed consenting adult. In the case of circumcision it seems odd that the one procedure should fit into both categories.

Rennie and colleagues seek to deny male children autonomy in respect of circumcision on the grounds that granting children autonomy would prevent childhood immunisations. While immunisations are invasive, they are minimally so. They remove no tissue and, for the greater part, leave no scar. As such they can be justified on an equipoise of the risks to the child from the immunisation against the benefits to the individual and society from the control of communicable disease. Such a line in the case of circumcision would be unjustifiable since circumcision causes a life-long burden in the loss of the normal specialised tissue, loss of the foreskin’s functions and a permanent change to penile appearance. Not all men are happy to have been reassigned as “round-heads” to meet the wishes or needs of someone else. A discussion of the ethical issues surrounding immunisation and infant circumcision has been presented by Hodges and colleagues.[11]

With regard to children and consent/assent, it would appear symbolic of the status of children in our society that we seek to inflict markings on their bodies that they may not agree to later. The change in appearance to the body and the loss of function remain with the individual as a life-long mark of their position in society. Why should any individual suffer the lifelong burden of something which - however desirable to society - was not actuallynecessary for the child? Dickenson has stated that the right for children to give consent is meaningless without the right to withhold consent.[12]

It is troubling that Rennie and colleagues further seek to erode children’s autonomy on the grounds of “the vagaries of adolescent decision making”. In societies where male circumcision is practised as a pubertal right these “vagaries” manifest in boys running away to circumcision “schools” against their parents’ wishes. This parallels our society in which rebellious teenagers seek invasive procedures and come home with unsightly tattoos and piercings which they may later regret. Parents here seek to limit their children’s autonomy for this reason. Moreover a concern that irreversible procedures might later be regretted by the young person drove the UK Parliament to pass the Tattooing of Minors Act 1969 which forbids tattooing of under-18s with no provision for parental consent.[13]

A parent’s power of proxy decision making in respect of their child stems from their duty to protect and nurture the child. As such it is right for parents to give consent to medical procedures which are in their child’s best interests; but it is also their duty to withhold consent on behalf of the child where the procedure would not be in the child’s interests. Here it is appropriate for the parents to exercise substituted judgement in respect of whether a child should have an intervention or not. In view of the fact that the vast majority of men reaching adulthood with their foreskin intact choose to retain it, it is difficult to see that parents have any legitimate right to consent to circumcision of their child except where there is unavoidable therapeutic need for the procedure. HIV prevention - even where the virus is endemic cannot reasonably override this principle in view of the harm inherent in circumcision and the lack of any certain epidemiogical benefit as noted above .

Rennie and colleagues appeal to a study in Botswana which finds that 55% of parents believe that if male circumcision is to be performed for HIV prevention then it should be performed on young children in a hospital setting. They state that it cannot be ethically sound without “community based research” into its acceptability. Should not sound medical evidence and ethical justification take preference to parental beliefs? Moreover community consent should never be allowed to trump individual autonomy.

Introducing circumcision into societies that do not presently have it in their culture should raise ethical concerns. Is it culturally appropriate to introduce circumcision into cultures that do not perform it? Is it acceptable to provide a therapeutic context - albeit without therapeutic need - to circumcisions in cultures which presently practice circumcision as a tribal rite? Is it right to reintroduce circumcision to cultures which have moved beyond child circumcision? Is it right to change local circumcision practices to introduce the American style of circumcision?

A further concern is that of the “circumcision apartheid” that may be introduced if circumcision is deemed the right thing. Will boys be cast out for “lack of circumcision”? Already there are reports of boys being bullied at school because their peers are circumcised and they are not. Sadly the boys who are victims of the bullying have been sent home until they get circumcised.[14] Thus the school colludes with the bullies to bring about the circumcision of these children rather than protecting them from the bullying and allowing them to retain their physical integrity.

It would of course be wrong to deny the introduction of circumcision on the basis that it is genital mutilation. Many medical procedures are mutilating and yet are still entirely appropriate in treatment practice provided they form part of a treatment hierarchy in which least invasive procedures are used in preference to more invasive ones and the mutilating treatment options kept as a treatment of last resort. As such, non-invasive measures such as ensuring that condoms, anti-viral drugs and vaccines (when developed) are available to those in poor countries must take precedence over the imposition of circumcision.

It is incumbent on the west to address the real problems of poor countries. Poverty itself is a risk factor for HIV and we must deal with this at source. We must ensure that African women are no so desperate that they have to sell sex to feed their children. We must ensure that condoms and pharmaceuticals are available to poor countries before we seek to impose American cultural practices - such as male circumcision - upon them. What are Africans to make of the fact that we demand that they don’t circumcise their girls but that they must circumcise their boys?

While Africa remains poor it could be a grave mistake to seek to introduce circumcision. The reality is that it will facilitate iatrogenic transmission of HIV, encourage male to female transmission[15] and bring about risk compensation. Another factor is that male circumcision may facilitate HIV transmission by reducing production of Langerin - a natural barrier to HIV transmission.[16] These factors could more than offset the 0.66 cases of HIV per hundred man years saved by introduction of male circumcision. We must never forget that the USA has the highest prevalence of male circumcision in the developed world and the highest prevalence of HIV. If in 20 years time male circumcision has made the HIV problems of Africa worse, it will then be very difficult to eradicate the practice.

References

1 http://www.bma.org.uk/ap.nsf/Content/malecircumcision2006, Accessed 8 March 2007.
2 Bailey RC and colleagues. Male circumcision for HIV prevention in men in Rakai, Uganda: a randomised trial. Lancet,2007:369;643-656.
3 Gray RH and colleagues. Male circumcision for HIV prevention in men in Rakai, Uganda: a randomised trial. Lancet,2007:369;657-666.
4 Williams N, Kapila L. Complications of circumcision. Brit J Surg 1993;80:1231-6.
5 Editors Choice. Knowing when not to operate. BMJ;318 (Anonymous leader).
6 Taylor JR, Lockwood AP, Taylor AJ. The prepuce: specialized mucosa of the penis and its loss to circumcision. Br J Urol 1996;77:291-295.
7 Taves D. The intromission function of the foreskin. Med Hypotheses. 2002 Aug;59(2):180-2.
8 Mills E, Siegfried N. Cautious optimism for new HIV/AIDS prevention strategies. Lancet. 2006 Oct 7;368(9543):1236.
9 Kwak C, Oh SJ, Lee A, Choi H. Effect of circumcision on urinary tract infection after successful antireflux surgery. BJU Int. 2004 Sep;94(4):627-9.
10 Fox M, Thomson M. A covenant with the status quo? Male circumcision and the new BMA guidance to doctors. J Med Ethics. 2005 Aug;31(8):463-9.
11 Hodges FM, Svoboda JS, Van Howe RS. Prophylactic interventions on children: balancing human rights with public health. J Med Ethics 2002;28(1):10-16.
12 Dickenson D. Children's informed Consent to Treatment: is the law an Ass? J Med Eth. 1994; 20:205-206.
13 Law Commission Consultation Paper No. 139 Consent in the Criminal Law, 1995.
14 http://www.news.com.au/story/0,23599,21224181-401,00.html,acessed 14 March 2007.
15 http://www.foxnews.com/story/0,2933,257559,00.html, accessed 9 March 2007.
16 de Witte L, Nabatov A, Pion M, Fluitsma D, de Jong MA, de Gruijl T, Piguet V, van Kooyk Y, Geijtenbeek TB. Langerin is a natural barrier to HIV-1 transmission by Langerhans cells. Nat Med. 2007 Mar;13(3):367-71.
Reasons not to test children at risk of adult onset disease 7 August 2006
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Anneke Lucassen,
Clinical geneticist
University Southampton,
Angus Clarke, Professor medical genetics, Cardiff, Wales

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Re: Reasons not to test children at risk of adult onset disease

annekel{at}soton.ac.uk Anneke Lucassen, et al.

Dear Editor,

We congratulate Malpas on an eloquent paper but disagree with her conclusions: If it is appropriate to tell a child that they are at risk of some illness in adult life, Malpas argues, then it must be appropriate to tell them if they are actually going on to develop it. Such an action may of course be entirely appropriate for conditions which affect children, or where there is some medical intervention in childhood that may affect the later course of the disease, but Malpas does not consider such instances, rather the genetic conditions, such as Huntington’s disease where there is no available medical intervention and onset usually occurs in adult life. Many individuals at risk of HD, when allowed to make informed choices as adults, choose not to know their genetic status, even though they have lived with the knowledge of their own risk for many years. Indeed only a minority of those at risk go on to have predictive genetic testing. This remains the main reason to not test during childhood: Testing during childhood denies those children the informed choice as adults.

Malpas views the distinction between the knowledge someone is at risk (through knowing a disease is present in the family) and knowledge of genetic status, as an arbitrary and illogical cut-off, yet we suggest that this distinction is in place for very good reasons. Whilst it may be unhelpful and deleterious to a child to deny that the obvious clinical features a close relative is exhibiting have any relevance to them, it is not logical to conclude that they might then as well have a genetic test to confirm their own status. Imagine the following analogy: Most children will become aware at some point during their childhood that they are mortal. Some will struggle with this, and spend some time being very anxious about it, but at some point during childhood their risk of dying will be assimilated. Suppose it were possible, through some test, to predict the actual date of death. It does not follow that, just because the child is aware in childhood that the risk of death is there, that it is therefore now also logical to predict its actual date. Furthermore, if such a test were freely available to adults there might be a variable uptake: Some will want it to use this information to plan their lives while others would rather live in ignorance of such knowledge. Such difficult choices should be left until a time that adequate consent can be given.

The decisions that the child will want to make on the strength of the test results may initially appear reasonable but, on closer examination, the claimed benefits of knowledge vanish into the mist. End of life decisions cannot sensibly be made by a healthy young child who has some decades to live … and who is likely to experience good times as well as bad during those years. Decisions about education, career and relationships may be made by a young child but are more likely to blight their healthy years than an uncertain risk of disease at some point in the future. We all live with death ahead of us; those who may harbour a genetic disorder realise that this death rather than another death may await them – but to a child or teenager, their situation may not seem very different from that of their peers. To know that this particular death is what awaits you, however, is very different and could well be disturbing.

Early knowledge of genetic status may be helpful and lead on to important choices – if the test gives a favourable result. To assimilate an unfavourable result while avoiding the perception that this is a threat will be much harder if the child’s unfortunate genetic status is already known. For a child to retain “hope” when his parents are anxious and distressed about a test result will be difficult indeed. The “good” outcomes of bad test results arise in circumstances where the individual has chosen to go through testing as an independent person and in a very different context from that of a child whose parents are clearly anxious about their child’s future and eager to resolve their own uncertainty at the expense of their child’s capacity to make an independent choice in the future.

Malpas does not like secrets within the family. We can all agree that difficult information should be discussed as openly as possible but, if the information causes family members great distress or if the relevant biology is difficult to understand, there will be limits as to what it is helpful to share with a young child. Passing on the knowledge requires that the child is shown how to view it from a helpful perspective. This will be a real challenge for many families who have been devastated by disease. While many families often manage this task well, to give information about hard facts, rather than information about mere risks, might well prove too difficult for many. If an affected parent (or a parent at very high risk), has tested a child in the hope of finding that the child, at least, has been spared, and if this hope has been dashed, then the support that they can provide to help the child may be limited.

A powerful advantage of discussing the family illness with a child but explicitly deferring the moment of testing at least to their reaching adult maturity is that this emphasises both (a) that the decision about testing is serious, and (b) that this decision is for them to make – that they are trusted with this. So the family and professionals – if they agree – are jointly acting to acknowledge the difficult situation of the child and, at the same time, validating the child’s worth as an individual. This can be a very powerful message and potentially therapeutic. To move away from this position does not seem to us to be a move in the right direction.

Angus Clarke and Anneke Lucassen


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