This research explores human drug trials (pharmacological research) in ethics. It presents the pros and cons of the research, ethical issues, risk issues, safety issues, and integrity issues. The research also presents a response plan and solution to these issues. The expected results include various ethical issues in pharmacological research and the expected solutions to such issues. The response plan includes obtaining the consent of those concerned in the experimentation, client right and client protection, regulation of researcher training, and adverse medical reporting framework.