Should pregnant women be included in phase IV clinical drug trials?

Relatively few drugs, especially those recently approved by the US Food and Drug Administration, have published human pregnancy experience. Although all drugs contain animal reproduction data, these are usually not predictive of human risk. Clinical trials in pregnant women are rarely conducted because of ethical and legal concerns, and it may be many years before sufficient observational data are collected to guide clinical treatment decisions. Because many of these drugs will be used in pregnancy, human data are needed shortly after the drugs come to the market. Lack of human data leads to uncertainty over whether a drug can be safely prescribed for a pregnant patient. Unless there are compelling scientific and ethical reasons to exclude them, pregnant women should be included in phase IV clinical trials (postmarketing studies to obtain additional information, including the risks, benefits, and optimal use of a drug). This paper examines how physicians currently counsel pregnant women when there are no human data and proposes an alternative method in which knowledge regarding risks associated with the use of drugs during pregnancy can be enhanced in a clinical trial setting.

Clinical, Ethical, and Socioeconomic Considerations for Prescription Drug Use During Pregnancy in Women Suffering From Chronic Diseases

The increasing proportion of women conceiving later in life, associated with the higher probability of contracting a chronic disease, highlights an increasing need to understand the impact of drug use for chronic diseases pre- and postpartum. In this study, the authors report the results of systematic reviews of drug use during pregnancy by focusing on pregnant women with a chronic disease, specifically, epilepsy, rheumatoid arthritis (RA), or schizophrenia. The authors studied the clinical impact of drug use in these chronic diseases on the mother and fetus, as well as the ethical issues and socioeconomic impact of drug use during pregnancy for women with these conditions. The results indicate that treatment discontinuation in epilepsy and schizophrenia can lead to serious adverse effects, whereas pregnancy can have an ameliorating effect on RA symptoms. Delivery and neonatal complications were associated with the use of older generation drugs across the 3 diseases. Newer generation drugs were deemed safer but more expensive. Ethical considerations for physicians and patients involved mainly the potential risks of drug use for the fetus. In conclusion, treatment guidelines need to be developed in the future; additionally, better insight into the economics of pregnancy for women with chronic diseases will improve value for money in obstetric care.

Medicines in Pregnancy Forum: Proceedings on Ethical and Legal Considerations

To raise awareness and promote dialogue leading to action, this article provides proceedings on ethical and legal considerations associated with medicine use during pregnancy discussed during the 2014 DIA Medicines and Pregnancy Forum. A key focus of discussion at the forum was "When is it ethically appropriate to include or unethical not to include pregnant patients in clinical studies, and how can ethical barriers be addressed?" Also debated was the question "What are the most appropriate methods to collect and share data on medication use in pregnancy, and what is the best process for sharing such information?" Goals of the forum were to gain participant alignment on answers to these ethical questions, offer rationale for the answers, and provide insight into which stakeholders might be needed to facilitate discussion and action. Participants felt that under the right circumstances, drug research in pregnant women is justified and necessary. Multiple ideas and opinions on the handling of pregnant patients in clinical research, treating pregnant women in clinical practice, and communicating data to physicians and patients are presented.

Clinical Data for Informed Medication Use in Pregnancy: Strengths, Limitations, Gaps, and a Need to Continue Moving Forward

The objective of this paper is to explore the strengths, weaknesses, gaps, and needs in research on medication use in pregnancy, where opportunities have been bypassed to develop standards and collaborations for collecting data to better understand how medications can impact clinical outcomes in pregnant women and developing fetuses. The availability of existing data and the methods of its capture are reviewed, including registries, claims and health record databases, and meta-analyses. The paper focuses on why these efforts have not fundamentally provided benefit-risk information and clinical treatment algorithms for medication use in pregnant women. Methodological issues, such as lack of standardization and central data collection, are discussed. Common barriers are examined, including a lack of awareness and education, cultural hurdles, collaboration deficiency, and an insufficient development of new data collection methods.