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Healthy Volunteer Studies

Healthy Volunteer Studies

Participate in Research is designed to connect potential volunteers with open research studies. We are looking for healthy volunteers just like you to help answer important questions about a variety of health conditions. This page lists healthy volunteer studies that may apply to you or someone you know. If you find a study that you’d like to participate in, you can contact the study team with questions or to volunteer. Join us to improve the health of others.

Active Studies

  • What if we could detect whether or not you’re getting sick just from information you already collect on your smartphone? The University of Washington is recruiting 25,000 volunteers age 19 and older to help us see if information from your smartphone can help us detect......

  • Researchers at Seattle Children's Research Institute want to find ways to understand gastrointestinal disease such as Inflammatory Bowel Disease (IBD), Irritable Bowel Syndrome (IBS) and Graft-Versus-Host-Disease (GVHD). We want to compare healthy cells from the gastrointestinal tract to cells from people with gastrointestinal diseases. We......

  • This protocol includes studies investigating the mechanisms involved in the integration of sensory information and central motor commands for the control of speech. Various hypotheses are being investigated with the common aim of improving our understanding of the processes and mechanisms underlying normal and disordered......

  • The Center for the Science of Social Connection is conducting a study at the University of Washington is conducting research to better understand how people relate to each other. We are interested in learning how relationships with people can change overtime under the scope of......

  • The purpose of this study is to find out if a probiotics supplement called Visbiome will speed up or slow down how quickly the intestine and liver break down some medications, vitamins and hormones. On two 13-hour study days, the participant will be given an......

  • The Seattle Vaccine Trials Unit is looking for participants for paid studies that will help us understand the immune system among people who have a history of genital herpes. This study is observational only with no experimental medication or product given to participants. For more......

  • The goal of this study is to enroll 200 healthy participants who will be collecting nasal swabs over a period of 1 year. 100 participants will be enrolled in each of two categories based on self-report over the last 3 years; susceptible (≥ 4 colds......

  • Asthma is a condition where people experience symptoms of wheezing and shortness of breath in response to exposures such as allergens and exercise. There are many people who have allergies to substances in the environment such as pollen or grasses, but only some of the......

  • The Diabetes Research team at Seattle Children’s is recruiting young adults ages 18-24 without diabetes for a research study to help us learn more heart health in young adults with type 1 and type 2 diabetes. Young adults with diabetes are at increased risk of......

  • The Infant Brain Imaging Study, or IBIS, is a research study of brain development in infants and children. The IBIS Network is a consortium of researchers across North America, including the University of Washington, that work together to discover early changes in brain development of......

  • University of Washington researchers, led by Natalia Kleinhans, are recruiting pregnant participants who have not used marijuana during their first trimester and those who have used marijuana during their first trimester for a new study of prenatal development. Participants are not required to use marijuana......

  • An active lifestyle reduces risk for breast cancer. The ACE study will investigate how a 45-minute bout of moderate exercise can affect the biology of the human body, which could explain how exercise reduces breast cancer risk. If you are interested in participating you will......

  • Researchers at Illinois Institute of Technology (IIT) are interested in the experiences of couples where one individual has a chronic musculoskeletal pain condition. The individual with chronic pain and their relationship partner (e.g., partner, spouse, significant other) are each invited to participate in 15-30 minute......

  • The UW Division of Rheumatology is looking for healthy adult volunteers with no history of rheumatic disease to donate blood and other bodily fluids to the Rheumatic Disease Biorepository. These blood samples will serve as healthy controls that UW researchers can then use to compare......

  • The University of Washington is conducting a research study called the Estia Study to see if playing “brain games” can improve mood, memory, and concentration in adults between 45 and 75 years of age who have symptoms of depression. If you qualify for this study,......

  • WEB study is a longitudinal study that will examine changes that may occur in the brain following obesity treatment. We are currently recruiting people who are eligible to participate in the behavioral weight loss intervention (BMI greater than 30, determined by phone screen). All participants......

  • We are looking for volunteers to participate in an 8-week study that uses a private Facebook discussion group. Your participant will help us to better understand the aging-related bodily experiences of older adults and facilitate the design of resources to facilitate health management. For additional......

  • We aim to understand hearing problems that are not detected in standard clinical practice. The purpose is to identify early signs of noise exposure damage which are not currently identified on a standard hearing test. This involves studying groups of normal hearing people who do,......

  • Our team is the NeuDLL (Neurodevelopmental Disorders Language & Learning) Lab in the UW Speech & Hearing Department. We are seeking families to participate in research related to spoken language in children with and without developmental disorders. Our current study focuses on how children learn......

  • The overall goal of the study is to help find out if genetic make-up affects how the body stores Vitamin K when Vitamin K intake from the diet changes. In Phase I of the study, we will test for certain markers in your DNA through......

  • This clinical trial is an experimental research study using a potential new form of birth control for men who want to avoid a pregnancy with their sexual partner. The study product is a combination hormone gel containing Nestorone and Testosterone for men to apply on......

  • The airspaces of our lungs are guarded by alveolar macrophages, which are very specialized infection-fighting cells that ingest and kill most inhaled bacteria and release substances that control inflammatory responses in the lungs. However, there are some bacteria that are able to survive and replicate......

  • We are examining how different neurotechnologies can be used to enhance language learning. Currently, we are conducting a 5-session study (each session approximately 1.5-2.5 hours long, for total time commitment of ~8-10 hours) to evaluate the effectiveness of transcranial direct current stimulation (tDCS). tDCS is......

  • Burkholderia pseudomallei causes the tropical infection melioidosis. Melioidosis usually manifests as pneumonia or sepsis and is endemic in northeast Thailand and found in other parts of Southeast Asia as well as northern Australia. The purpose of our study is to characterize the immune and inflammatory......

  • The purpose of the study is to learn more about the development of gestational diabetes. Participant Eligibility Pregnant with singleton Aged 18-40 Plan to deliver at UW No history of bariatric surgery Able to have MRI No anti-glycemic medications Contact Suchi Chandrasekaran, MD (206) 670-1268...

  • Malaria is a deadly disease that affects 300-500 million people every year. We hope to develop vaccines and medicines to prevent and limit malaria disease and deaths. The Seattle Malaria Clinical Trials Center is looking for volunteers to take part in an upcoming research study......

  • We are interested in understanding how air pollution from traffic sources, like diesel exhaust, and mental stress affect your heart. We are looking for healthy men and women ages 22 – 49 years old. If you decide to take part in the study you will......

  • Volunteers Needed for Blood Product Collections Bloodworks is currently seeking volunteers for blood donations for research. The purpose of the study is to collect normal adult blood for use in research or reagent for production of engineered cells to treat patients with cancer. We do......

  • You may be eligible to participate in an anxiety research study which will offer FREE symptom assessment and Cognitive Behavioral Therapy for anxiety and depression. The study also examines the role of personal strengths. Participants will be asked to complete interviews and surveys, as well......

  • The purpose of this study is to identify possible brain or spinal cord differences in participants with ALS compared to participants without ALS. Research shows that 90 to 95 percent of ALS cases occur at random, with only 5-10 percent of ALS cases being inherited.......

  • We are learning more and more about the risks for Alzheimer’s disease every year, and that includes learning what foods are best at promoting brain health. It might be more complicated than ‘this food is good or bad.’ Dr. Angela Hanson, a geriatric physician at......

  • The purpose of this study is to test how safe DMAU is and how well it is tolerated when given to men as an injection. This study will also look at how the medication is metabolized in the body (how fast it is absorbed into......

  • This protocol includes studies of the control and coordination of speech production. Various hypotheses are being investigated in our laboratory with the common aim of improving our understanding of the processes and mechanisms underlying normal and disordered speech. The common procedure across these studies consists......

  • TrialNet’s Pathway to Prevention studies the development of type 1 diabetes, and screens relatives of people with type 1 diabetes for their risk of developing the disease. Relatives of people with type 1 diabetes have about a 3 to 4 percent chance of being positive......

  • The Seattle HIV Vaccine Trials Unit is looking for volunteers to participate in studies to help find a vaccine to prevent HIV. We hope to evaluate vaccine candidates for safety and the ability to stimulate immune responses in participants. The ideal vaccine for global use......

  • The purpose of the Communication Studies Participant Pool is to collect the names and contact information of individuals interested in participating in research studies, and to distribute that information to participating researchers. Researchers will contact potential participants directly and explain their study, including eligibility requirements,......

  • The purpose of the study is to find out more about the pattern of fetal brain growth, so we can develop ways of better evaluating abnormal brain development and function. Almost all pregnancies are assessed by ultrasound. If abnormalities are detected, fetal magnetic resonance imaging......

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