Investigators Research Group, LLC Investigators Research Group, LLC is a growing network of Investigators and healthcare professionals in Indianapolis, Indiana dedicated to the advancement of medicine through Pharmaceutical Research. The physicians in our network are all highly regarded within the community and board certified in their fields of specialty. We are committed to strictly adhering to the highest ethical standards for the care of subjects in Pharmaceutical Research. If you would like more information about how you can participate in a study with Investigators Research Group, call our office. We will contact you as soon as we have a study that you might qualify for. Feel free to look through this listing of some of the studies for which we are currently recruiting subjects. If you don't see a study that interests you, we may also be recruiting subjects for studies that are not listed on the website, so please call if you have any questions at all.