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3 Endotoxin Trials Near You

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The goal of this clinical trial is to explore the differences in behavioral and cytokine response to a low dose infusion of endotoxin (vs. placebo) in individuals with histories of frequent, problematic, impulsive aggression ("aggressives") compared to similar individuals without this history ("controls"). Endotoxin is a substance that produces a reliable inflammation response in human subjects. The main questions it aims to answer are: * Do aggressive individuals have greater self-rated anger responses to low-dose endotoxin compared with controls? * Do aggressive individuals have greater analog aggressive responses (in the Taylor Aggression Paradigm) to low-dose endotoxin compared with controls? * Do aggressive individuals have greater hostile attributional and negative emotional responses (in the V-SEIP) to low-dose endotoxin compared with controls? * Do aggressive individuals have greater plasma pro-inflammatory responses to low-dose endotoxin compared with controls? * Do aggressive individuals display a greater activation of brain responses to anger-related picture during an MRI scan during low-dose endotoxin compared with controls? Researchers will compare endotoxin to a placebo (a look-alike substance that contains no drug) explore the differences in behavioral and cytokine response to a low dose infusion of endotoxin (vs. placebo) in individuals with histories of frequent, problematic, impulsive aggression ("aggressives") compared to similar individuals without this history ("controls"). Participants will: * Receive a low-dose of endotoxin and placebo on two (2) separate days. The study drugs will be given through a plastic tube inserted in a forearm vein. * Visit the laboratory on at least two (2) separate days to receive the endotoxin and placebo. * Complete rating forms, behavioral testing, and an MRI on each of the two (2) laboratory days.

Trial Details

Trial Status:Not Yet Recruiting
Trial Phase:Phase 2
Age:21 - 55

112 Participants Needed

Background: - When bacteria enter the lungs, serious infections can occur. Researchers want to learn more about the process of inflammation in the lungs by studying lung cells and the products that they make. Lung cells are influenced by infections, smoking, and molecules made within the body. Researchers also want to learn more about one of these molecules, called microRNA (or micro ribonucleic acid). Objective: - To better how the body responds to infection. Also, to understand which cells in the lung secrete microRNA and how they may influence other lung cells. Eligibility: - Healthy, non-smoking adults ages 18-45. Design: * Participants will be screened with a medical history and physical exam. They will have blood and urine tests and an electrocardiogram. * Participants will have blood drawn from an arm vein. They will have an intravenous catheter (small plastic tube) placed in a vein. * All participants will have bronchoscopy with bronchoalveolar lavage. They will be numbed with medicine. A thin flexible tube will be placed through the nasal passages or the mouth into the airways of the lung. * Some participants will have bronchoscopy with bronchoalveolar lavage (rinsing the airways with salt water) in order to obtain cells from lung. The water will then be suctioned out. * Some participants will have two bronchoscopies; during the first procedure, endotoxin, a molecule found in bacteria is squirted into a small portion of the lung. Endotoxin is a molecule that acts like an infection but isn t one. After 6 to 48 hours, bronchoscopy with with bronchoalveolar lavage will be done to look at the lung s response to endotoxin. * Participants heart rhythm and rate, temperature and blood oxygen level will be monitored during the procedures. * Participants will be called the next day to see how they are feeling.

Trial Details

Trial Status:Enrolling By Invitation
Trial Phase:Phase 2
Age:18 - 45

58 Participants Needed

This is a parallel group, double-blinded, placebo-controlled study. Participants with MDD (n=90) and HC (n=90) will be randomly assigned (2:1) to receive either lipopolysaccharide (LPS) (0.8ng/kg of body weight) or placebo (same volume of 0.9% saline) administered as an intravenous bolus. This will yield the following groups: MDD-LPS (n=60), MDD-Placebo (n=30), HC-LPS (n=60), HC-placebo (n=30). There are three main aims: to identify immune pathways and neural circuits that respond differently to LPS in MDD vs. HC subjects; (2) to test whether the strength of inflammatory changes induced by LPS is associated with degree of change in anhedonic symptoms and neural circuits in the MDD group, and (3) to identify a biotype of MDD that shows a differential immunological and neurophysiological response to LPS. The main outcome variables are symptoms of anhedonia measured with the Snaith-Hamilton Pleasure Scale (SHAPS), cytokines (Il-6, IL-8, IL-10, and TNF), and BOLD signal change in the neural circuitry mediating interoceptive processing, i.e. the insula and cingulate cortex. The exploratory aim is to determine whether the acute inflammatory response to LPS can predict the clinical course of depression over a period of six months. The main outcome of this component of the study is self-reported depressive symptoms assessed with the QIDS-SR.

Trial Details

Trial Status:Recruiting
Trial Phase:Phase 1, 2
Age:18 - 65

180 Participants Needed

Why Other Patients Applied

"I've tried several different SSRIs over the past 23 years with no luck. Some of these new treatments seem interesting... haven't tried anything like them before. I really hope that one could work."

ZS
Depression PatientAge: 51

"I changed my diet in 2020 and I’ve lost 95 pounds from my highest weight (283). I am 5’3”, female, and now 188. I still have a 33 BMI. I've been doing research on alternative approaches to continue my progress, which brought me here to consider clinical trials."

WR
Obesity PatientAge: 58

"As a healthy volunteer, I like to participate in as many trials as I'm able to. It's a good way to help research and earn money."

IZ
Healthy Volunteer PatientAge: 38

"I've been struggling with ADHD and anxiety since I was 9 years old. I'm currently 30. I really don't like how numb the medications make me feel. And especially now, that I've lost my grandma and my aunt 8 days apart, my anxiety has been even worse. So I'm trying to find something new."

FF
ADHD PatientAge: 31

"I have dealt with voice and vocal fold issues related to paralysis for over 12 years. This problem has negatively impacted virtually every facet of my life. I am an otherwise healthy 48 year old married father of 3 living. My youngest daughter is 12 and has never heard my real voice. I am now having breathing issues related to the paralysis as well as trouble swallowing some liquids. In my research I have seen some recent trials focused on helping people like me."

AG
Paralysis PatientAge: 50

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Frequently Asked Questions

How much do clinical trials pay?

Each trial will compensate patients a different amount, but $50-100 for each visit is a fairly common range for Phase 2–4 trials (Phase 1 trials often pay substantially more). Further, most trials will cover the costs of a travel to-and-from the clinic.

How do clinical trials work?

After a researcher reviews your profile, they may choose to invite you in to a screening appointment, where they'll determine if you meet 100% of the eligibility requirements. If you do, you'll be sorted into one of the treatment groups, and receive your study drug. For some trials, there is a chance you'll receive a placebo. Across trials 30% of clinical trials have a placebo. Typically, you'll be required to check-in with the clinic every month or so. The average trial length is 12 months.

How do I participate in a study as a "healthy volunteer"?

Not all studies recruit healthy volunteers: usually, Phase 1 studies do. Participating as a healthy volunteer means you will go to a research facility several times over a few days or weeks to receive a dose of either the test treatment or a "placebo," which is a harmless substance that helps researchers compare results. You will have routine tests during these visits, and you'll be compensated for your time and travel, with the number of appointments and details varying by study.

What does the "phase" of a clinical trial mean?

The phase of a trial reveals what stage the drug is in to get approval for a specific condition. Phase 1 trials are the trials to collect safety data in humans. Phase 2 trials are those where the drug has some data showing safety in humans, but where further human data is needed on drug effectiveness. Phase 3 trials are in the final step before approval. The drug already has data showing both safety and effectiveness. As a general rule, Phase 3 trials are more promising than Phase 2, and Phase 2 trials are more promising than phase 1.

Do I need to be insured to participate in a medical study?

Clinical trials are almost always free to participants, and so do not require insurance. The only exception here are trials focused on cancer, because only a small part of the typical treatment plan is actually experimental. For these cancer trials, participants typically need insurance to cover all the non-experimental components.

What are the newest clinical trials?

Most recently, we added Endotoxin for Aggression, LPS for Major Depressive Disorder and Endotoxin Challenge for Lung Inflammation to the Power online platform.

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