Hypersensitivity Pneumonitis and the Immune System Request More Information Trial Objective The goal of this study is to learn more about how some white blood cells cause the inflammation associated with Hypersensitivity Pneumonitis, a lung disorder caused by inhaled dust, fungus, molds or chemicals. By better understanding this lung disorder at a cellular level, researchers can identify new treatments and medications. Enrollment New enrollment for this trial is temporarily paused Who Can Participate Adults 18 to 80 years of age who have hypersensitivity pneumonitis, but have not been on any treatment for at least three months and have not smoked cigarettes or marijuana in the last six months. Age: 18-80 Gender: Any Gender Estimated Time Commitment Approximately 9 hours over 3 study visits The first visit takes about one hour. The second visit takes approximately four hours and includes testing. The third visit takes approximately four hours and includes additional testing. × Payments are intended to compensate the participant for their time and effort during the study. Payments are typically given to the participant at the end of each completed study visit. Reimbursements are intended to compensate the participant for travel-related expenses. They must be approved by the study staff and require you to turn in receipts. Travel reimbursement will vary from study to study. Payment & Reimbursement Payment: Provided Travel Reimbursement: Not Available Trial Contact For more information, contact: Peggy Mroz 303.398.1730 Request More Information Trial Location National Jewish Main Campus, Denver, CO Trial Sponsors Pulmonary Fibrosis Foundation Principal Investigators Li Li, MD, PhD + × Li Li, MD, PhD Division of Environmental & Occupational Health Sciences Department of Medicine View Full Profile Make an Appoinment Co-Investigators Lisa Maier, MD, MSPH, FCCP + × Lisa Maier, MD, MSPH, FCCP Professor Director, Division of Env & Occ Health Science Core Clinical Lab Chief, Division of Environmental & Occupational Health Sciences Department of Medicine View Full Profile Patient Rating 4.9 out of 5 stars Make an Appoinment Request More Information Due to concerns around COVID-19 and our focus on helping to meet this momentous challenge, we have temporarily paused enrollment for this trial.