Trial experience and problems of parental recollection of consent

Clinical trials in neonates: How to optimise informed consent and decision making? A European Delphi survey of parent representatives and clinicians

Objectives

Parental consent for the participation of their neonate in neonatal research is influenced by the quality of the information delivered and the interaction between parents and investigators. Failure to provide important information may lead to difficulties in the decision making process of parents. This Delphi survey aims to establish a consensus between parent representatives of neonatal associations and healthcare professionals concerning the information deemed essential by both parties in order to improve the recruitment of neonates into clinical trials.

Method

This study was conducted in Europe among parent representatives and healthcare professionals. In this 3-phase study, 96 items were defined by the Scientific Committee (CS), composed of 11 clinicians (from 8 countries) and 1 parent representative of the European network of neonatal associations. Then the Committee of Experts (CE) composed of 16 clinicians were matched by country with 16 national parent representatives and evaluated these items in two rounds. The importance of each item was evaluated by each member of the CE on a scale between 1 and 9 based on their personal experience.

Results

Fifty eight items reached the second and final level of consensus. In contrast to clinicians, parent representatives preferred to be informed about the study by the physician in charge of their child. They also favoured additional support during the informed consent process and stated that both parents need to agree and sign.

Conclusion

The set of 58 items on which parents and clinicians reached consensus will be helpful to healthcare professionals seeking parental consent for the inclusion of a neonate in a clinical trial. Providing parents with information about the trial by the investigator in the presence of the patient’s neonatologist, developing closer contacts with parents and informing them of the available support by parents associations may be helpful for parents.

Conducting clinical trials in pediatrics

Conducting clinical trials in pediatric critical care patients are necessary both to determine the value of new treatment strategies and to improve clinical outcomes. However, there are significant challenges to clinicians, parents, and child subjects. There is a serious danger to children through exposure to unforeseen risk as a result of lack of pediatric trials if "trickle down" from adult treatments is permitted. The relatively small size of the pediatric critical care population and relatively low mortality rates limit the utility of mortality as a primary trial outcome in many trials. Innovative trial designs including incorporation of nonfatal outcome measures are increasingly being developed. Increasingly, effective research collaborations are developing either for specific clinical trials or to form the base from which clinical trials are commissioned and supervised. Involvement of children and parents in the development of clinical trials is recommended and valued both by ethical review boards and patient/parent support organizations.

Improving the quality of consent to randomised controlled trials by using continuous consent and clinician training in the consent process

OBJECTIVE

To assess whether continuous consent, a process in which information is given to research participants at different stages in a trial, and clinician training in that process were effective when used by clinicians while gaining consent to the Total Body Hypothermia (TOBY) trial. The TOBY trial is a randomised controlled trial (RCT) investigating the use of whole-body cooling for neonates with evidence of perinatal asphyxia. Obtaining valid informed consent for the TOBY trial is difficult, but is a good test of the effectiveness of continuous consent.

METHODS

Semistructured interviews were conducted with 30 sets of parents who consented to the TOBY trial and with 10 clinicians who sought it by the continuous consent process. Analysis was focused on the validity of parental consent based on the consent components of competence, information, understanding and voluntariness.

RESULTS

No marked problems with consent validity at the point of signature were observed in 19 of 27 (70%) couples. Problems were found mainly to lie with the competence and understanding of the parents: mothers, particularly, had problems with competence in the early stages of consent. Problems in understanding were primarily to do with side effects. Problems in both competence and understanding were observed to reduce markedly, particularly for mothers, in the post-signature phase, when further discussion took place. Randomisation was generally understood but unpopular. Information was not always given by clinicians in stages during the short period available before parents gave consent. Most clinicians, however, were able to give follow-up information.

DISCUSSION

Consent validity was found to compare favourably with similar trials examined in the Euricon study.

CONCLUSION

Adopting the elements of the continuous consent process and clinician training in RCTs should be considered by researchers, particularly when they have concerns about the quality of consent they are likely to obtain by using a conventional process.

What factors are important to parents making decisions about neonatal research?

BACKGROUND

Although parents of neonates with congenital heart disease are often asked permission for their neonates to participate in research studies, little is known about the factors parents consider when making these decisions.

OBJECTIVE

To determine the reasons for parents' decisions about participation in research studies.

METHODS

Qualitative analysis of the unsolicited comments of 34 parents regarding reasons for agreeing or declining to participate in research studies. Parents' comments were offered spontaneously during interviews about clinical care decisions for neonates with congenital heart disease.

RESULTS

Parents cited five types of reason for or against permitting their newborn to participate in research studies: societal benefit (n = 18), individual benefit for their infant (n = 16), risk of study participation (n = 10), perception that participation posed no harm (n = 9), and anti-experimentation views (n = 4).

CONCLUSION

Addressing parental decision making in the light of these reasons could enhance the parental permission process for parents of critically ill neonates.

Risk management in neonatal research

Good clinical research should be encouraged and supported. However, although it is essential for medicine to advance, clinical research involves risks for patients, researchers and organisations. Risk management acknowledges that risks exist. It involves adherence to good standards of practice, the means to demonstrate good practice and ensuring that mechanisms are in place to deal with problems that might arise.

Parental decision-making in congenital heart disease

OBJECTIVE

To explore whether prenatal diagnosis of congenital heart disease is associated with lower levels of parental distress and greater satisfaction with decisions about cardiothoracic surgery when compared to postnatal diagnosis.

METHODOLOGY

A combined quantitative-qualitative design was used. Participants included the parents of 31 neonates (30 mothers and 22 fathers) admitted to the cardiac intensive care unit between 1 November 2001 and 1 May 2002 for repair of congenital cardiac malformations. Participants completed self-report measures of anxiety, optimism, and life events pre-operatively, and semi-structured qualitative interviews assessing satisfaction with decision-making within 1 week of the operation.

RESULTS

At the time of surgery, mothers of neonates receiving the diagnosis prenatally did not differ from mothers of neonates receiving the diagnosis postnatally on measures of anxiety, optimism, and life events. Fathers of neonates receiving the diagnosis prenatally, however, reported more optimism, lower state and trait anxiety, and fewer negative life events than fathers of neonates receiving the diagnosis postnatally. When we analyzed the interviews, we found that, regardless of the timing of the diagnosis, parents felt as though they made a genuine choice for their baby to have surgery.

CONCLUSIONS

In this pilot study, fathers who learned prenatally that their child had a congenital cardiac malformation were less distressed than those who discovered this fact only postnatally. From the parental perspective, nonetheless, distress and urgency do not impair their ability to make decisions about neonatal cardiac surgery.