Balance risks and benefits. In a research study, one cannot be sure before doing the study whether or not the drug will be beneficial. Studies in animals are performed before clinical trials to minimize the risk for human subjects. Some patients may show some improvements while others will see little or no improvement. In fact, it's possible that some drugs may cause the person's condition to worsen.
Careful monitoring is conducted during a drug study to minimize patient harm.
Keep in mind that some studies continue for as long as five years. Keep in mind that a family member may be asked to sign for the patient. If you have questions or do not understand the form, you might want to talk with the researcher. Don't hesitate to discuss your questions with the patient's personal physician. Top Directions in Research for Alzheimer Treatments Throughout the United States and worldwide, dozens of medications for those suffering with Alzheimer's disease are being tested in clinical trials.