Pregnant women may be volunteering to participate in HIV research without fully understanding the benefits or consequences, according to a study published today in BMC Medicine. Volunteers’ comprehension of studies or treatments should be tested to ensure that their consent is truly informed and voluntary, say the study’s authors.
International regulations for ethical conduct of research require that volunteers are presented with detailed scientific and legal information before consenting to take part in a study. However, many funding agencies are unaware of the regulations, and there are no requirements for researchers to check volunteers’ understanding of this information.
The study’s authors, from Johns Hopkins University in Pune, India and Baltimore, USA found that use of visual aids significantly improved volunteers’ understanding of information relating to informed consent. They suggest that, “the current requirements of informed consent procedures are inadequate and that it should be a process that communicates information in an effective manner, allows for reiteration of information, and includes an evaluation of the patients’ knowledge prior to signing the informed consent document.”
Gemma Bradley | alfa
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Scientists at the Max Planck Institute for Polymer Research (MPI-P) in Mainz (Germany) together with scientists from Dresden, Leipzig, Sofia (Bulgaria) and Madrid (Spain) have now developed and characterized a novel, metal-organic material which displays electrical properties mimicking those of highly crystalline silicon. The material which can easily be fabricated at room temperature could serve as a replacement for expensive conventional inorganic materials used in optoelectronics.
Silicon, a so called semiconductor, is currently widely employed for the development of components such as solar cells, LEDs or computer chips. High purity...
Augsburg chemists present a new technology for compressing, storing and transporting highly volatile gases in porous frameworks/New prospects for gas-powered vehicles
Storage of highly volatile gases has always been a major technological challenge, not least for use in the automotive sector, for, for example, methane or...
When we put water in a freezer, water molecules crystallize and form ice. This change from one phase of matter to another is called a phase transition. While this transition, and countless others that occur in nature, typically takes place at the same fixed conditions, such as the freezing point, one can ask how it can be influenced in a controlled way.
We are all familiar with such control of the freezing transition, as it is an essential ingredient in the art of making a sorbet or a slushy. To make a cold...
Thin organic layers provide machines and equipment with new functions. They enable, for example, tiny energy recuperators. In future, these will be installed...
Das Zusammenspiel aus Struktur und Dynamik bestimmt die Funktion von Proteinen, den molekularen Werkzeugen der Zelle. Durch Fortschritte in der...
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