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Bask GillCEO at Power
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      Why We Started Power

      We started Power when my dad was diagnosed with multiple myeloma, and I struggled to help him access the latest immunotherapy. Hopefully Power makes it simpler for you to explore promising new treatments, during what is probably a difficult time.

      Bask
      Bask GillCEO at Power
      Learn More About Trials
      How Do Clinical Trials Work?Are Clinical Trials Safe?What Can I Expect During a Clinical Trial?

      14 Caffeine Trials Near You

      Power is an online platform that helps thousands of Caffeine patients discover FDA-reviewed trials every day. Every trial we feature meets safety and ethical standards, giving patients an easy way to discover promising new treatments in the research stage.

      Learn More About Power
      No Placebo
      Highly Paid
      Stay on Current Meds
      Pivotal Trials (Near Approval)
      Breakthrough Medication

      Naps for Shift Work

      Pittsburgh, Pennsylvania
      Night shift work schedules disrupt sleep and have a negative impact on cardiovascular health. Most who work in public safety occupations and in healthcare work night shifts. These workers experience abnormal blood pressure during night shifts and are at greater risk of cardiovascular disease. Napping during night shifts can help to restore blood pressure patterns to a more normal pattern and may help to reduce risk of cardiovascular disease. Naps may also have an impact on alertness and performance immediately upon waking. The overarching goal of this study is to determine which duration of a nap taken during simulated night shift work has the greatest impact blood pressure and post-nap performance. Researchers will compare 5 nap durations to see which has the greatest impact on blood pressure patterns and post-nap psychomotor performance. Researchers hypothesize that longer naps will lead to improved blood pressure outcomes and shorter naps will contribute to better performance after waking. Findings will help employers and employees who work night shifts determine how best to incorporate brief naps during night shift work.
      No Placebo Group

      Trial Details

      Trial Status:Not Yet Recruiting
      Trial Phase:Unphased

      Key Eligibility Criteria

      Disqualifiers:Sleep Apnea, Narcolepsy, Heart Disease, Others
      Must Not Be Taking:Cardiovascular Medications

      130 Participants Needed

      Caffeine for Sedation Recovery in Children

      Chicago, Illinois
      Dexmedetomidine (Dex), a selective α2-adrenergic receptor agonist, is the most used sedative for procedural sedation in children and in pediatric Intensive Care Unit (PICU) because it is associated with less respiratory depression and also less neurotoxicity; rather Dex appears neuroprotective. Unfortunately, Dex is associated with very long emergence times and may cause bradycardia and hypotension. However, using sedation dosing guidelines (by consensus among SPS members) 1-3 mcg/kg bolus and a 1-2 mcg/kg/hour infusion, hemodynamic compromise is less significant and rarely requires intervention in these patients. With this Dex sedation protocol, these pediatric patients usually take an average of 45 minutes (30-60 minutes) to wake and become alert and up to 2 hours to be discharged. Without reversal agents, emergence times from Dex sedation are slow. The prolonged recovery after Dex sedation for non-surgical procedures negatively affects throughput, thus increasing the cost of care. Patient safety and satisfaction suffer as a result. The children wake feeling tired and sluggish. The children don't feel back to normal for an extended period of time, which is not surprising given that the half-life for Dex metabolism in 2-3 hours in humans. However, using sedation dosing guidelines (by consensus among SPS members) 1-3 mcg/kg bolus and a 1-2 mcg/kg/hour infusion, hemodynamic compromise is less significant and rarely requires intervention in these patients. In humans, it has been found that caffeine at 7.5 mg/kg (15 mg caffeine citrate equivalent to 7.5 mg caffeine base) sped emergence from isoflurane anesthesia with minimal hemodynamic effects in healthy human volunteers. The goal of this clinical trial is to determine whether caffeine will facilitate the recovery of Dex sedation after a Magnetic Resonance Imaging (MRI) procedure by measuring the time from the end of Dex infusion to the time meeting the discharge criteria.

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Phase 1, 2
      Age:3 - 12

      Key Eligibility Criteria

      Disqualifiers:Arrhythmia, Congenital Heart Disease, Others

      100 Participants Needed

      Caffeine for Cardiovascular Disease

      Hamilton, Ontario
      Caffeine is one of the most widely consumed substances worldwide. This study looks to test and measure the changes in different biomarkers in the blood before and after having caffeine using capillary and venous blood sampling methods. A biomarker is a measurable indicator of biological processes. The primary goal of this clinical trial is to evaluate participant rate and adherence. It will also learn about how caffeine affects different biomarkers that may be related to cardiovascular disease. Finally, it will assess the accuracy of the capillary blood samples compared to the venous blood samples. The main questions it aims to answer are: * What is the feasibility of recruiting and retaining participants? * Are the study procedures appropriate to be translated to a larger future study? Researchers will compare caffeine to a placebo (a look-alike substance that contains no drug) to see if Participants will: * Be randomly assigned to the control group or the caffeine group. Individuals in the control group will be taking a placebo pill with no effect and those in the caffeine group will be taking 400mg of caffeine in pill form. * Be asked to undergo a fast of at least 8 hours overnight before taking two placebo pills or the 400 mg of caffeine via two caffeine pills. They will be required to stay fasted for 6 hours after taking the pill as well. The total time fasted will be at least 14 hours. * Have blood collected using three different methods before taking the two pills, 3 hours after taking the pills and 6 hours after taking the pills. The 3 methods include intravenous (IV) blood sampling, finger prick and collection on Whatman 903 Protein Saver Card and collection using the TASSO+ device. The TASSO+ blood collection device is a small capillary blood collection device that is designed to be easy to use and able to be used outside of a hospital/lab setting. Whatman 903 Protein Saver Cards are special filter paper with five circles for samples, that are designed for the collection and storage of blood.

      Trial Details

      Trial Status:Not Yet Recruiting
      Trial Phase:Early Phase 1

      Key Eligibility Criteria

      Disqualifiers:Pregnancy, Diabetes, Hypertension, Heart Disease, Others
      Must Not Be Taking:Caffeine-interacting Medications

      36 Participants Needed

      Caffeine for Newborn Brain Injury

      Chapel Hill, North Carolina
      This is a phase Ib, open-label, dose-validating and safety study of caffeine in neonates with hypoxic-ischemic encephalopathy (HIE) undergoing therapeutic hypothermia.
      No Placebo Group

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Phase 1
      Age:< 24

      Key Eligibility Criteria

      Disqualifiers:Congenital Anomaly, Others
      Must Not Be Taking:Anti-epileptic Drugs

      16 Participants Needed

      Caffeine + Pre-workout for Exercise Performance

      St Louis, Missouri
      The investigators are conducting a study to see how a commercial pre-workout supplement, coffee, and water affect how well people perform. The study is conducted across four visits. The first visit is to assess the participants, and the next three visits are for testing. Each participant will drink a randomly assigned beverage 45 minutes before testing. Throughout the study, the participants will complete three testing days-each at least three days apart-so they can try all three drinks. The first test is the Wingate test, where the participants pedal as fast as they can for 30 seconds against a set resistance. The second test is a 1-mile treadmill run/walk on an incline, where the participant tries to complete the distance as fast as possible. The third test measures reaction time using light-up buttons to see how quickly a participant responds by touching them. These tests will help determine if any of the drinks improve performance. The results can help people choose the best drink for their workouts or races.

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Unphased
      Age:18 - 35

      Key Eligibility Criteria

      Disqualifiers:Cardiovascular, Metabolic, Seizure, Pregnancy, Others
      Must Not Be Taking:Beta-blockers, Antidepressants, Anti-anxiety, Pain Killers

      12 Participants Needed

      Caffeine for Preterm Birth

      Madison, Wisconsin
      This study is being done to see if additional caffeine citrate (20 milligrams per kilogram IV bolus) helps babies with low kidney oxygenation already being treated with caffeine citrate (20 milligrams per kilogram IV bolus on day of life (DOL) 1 followed by 8 milligrams per kilogram daily maintenance). The investigators hypothesize that additional caffeine will improve kidney oxygen levels, while not causing any brain injury, and may reduce rates of acute kidney injury compared to placebo. This study will take place in preterm babies born less than 30 weeks gestational age, with the intervention occurring between greater than 48 hours of age until DOL 14 and outcomes tracked until neonatal intensive care unit (NICU) discharge.

      Trial Details

      Trial Status:Not Yet Recruiting
      Trial Phase:Phase 2
      Age:12 - 96

      Key Eligibility Criteria

      Disqualifiers:Not Listed

      102 Participants Needed

      Caffeine Consumption for Glaucoma

      Philadelphia, Pennsylvania
      Caffeine is the most widely consumed drinking nutrient in the world. Caffeine effects various organs and the vascular system. It decreases ocular blood flow due to vasoconstriction.
      No Placebo Group

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Unphased

      Key Eligibility Criteria

      Disqualifiers:Diabetic Retinopathy, Cardiac Disease, Mental Illness, Others

      80 Participants Needed

      Caffeine for Learning in Healthy Adults

      Charlestown, Massachusetts
      This research study aims to determine whether and how caffeine intake affects learning process through reward feedback compared to placebo. The data acquired from this study would improve our understanding on the consequence and mechanism of caffeine intake in the aspect of learning process. Participants will perform a reinforcement learning task (i.e. Probabilistic Selection Task) and a motor inhibition task (i.e. Go/NoGo task) in a brain scan. The scan will be done with the Siemens Biograph mMR positron emission tomography (PET)/ magnetic resonance imaging (MRI) 3 Tesla scanner. The PET allows us to see the changes in the "reward signals" - dopamine - in the brain using a radioactive dye called \[11C\]Raclopride. The MRI, on the other hand, enables us to take detailed pictures of the brain activities during cognitive tasks using a high-powered magnet. Reviewing these pictures will help us understand the influence of caffeine on reward signals and brain activities during the learning process.

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Phase 4
      Age:18 - 45

      Key Eligibility Criteria

      Disqualifiers:Pregnancy, Heart Disease, Diabetes, Others
      Must Not Be Taking:Painkillers, Steroids, Benzodiazepines, Others

      12 Participants Needed

      Prebiotic Sodas for Metabolic Responses

      Fort Worth, Texas
      The study aims to study healthy men aged 18-40 to explore how different beverages affect hunger, blood sugar, insulin, and a hormone called GLP-1, which helps regulate appetite and blood sugar. The tested beverages include two prebiotic sodas (Olipop and Poppi), Diet Coke, and Coca-Cola Classic. What's the study about? It aims to understand how these drinks influence how full participants feel and how the body handles sugar and hormones compared to each other. This could help us learn more about how prebiotic drinks, which may support gut health, compare to regular sugary or diet sodas. What will participants do? Participants will visit our lab at TCU (Rickel Building, rooms 256/259) four times over four weeks, with each visit lasting about 2-2.5 hours. Participants will need to fast for 8-12 hours before each visit. Here's what happens: * First visit involves participants' consent, measurement of height and weight, and performing a finger-stick test to check blood sugar and HbA1C. Participants will also fill out questionnaires about health, diet, and beverage preferences. * Visits 2-4: In visit 2, a DEXA scan will be performed to assess body composition. In visits 2-4, participants will drink one of the four beverages (in a random order, served in an unlabeled black container to prevent drink identification). Other variables measured at these time points include blood pressure, fasting glucose, insulin, and GLP-1. Participants will also complete questionnaires about hunger and how the drink tastes. Each visit is spaced out by a week, and the total time commitment is about 10.5 hours. The study is expected to complete participant recruitment by December 10, 2025. Who can join? Ten healthy men aged 18-40 who don't have diabetes, heart disease, kidney or liver issues, or other specific health conditions. Participants shouldn't smoke, vape, or have certain dietary habits like intermittent fasting. Participants will be screened to confirm eligibility. What are the risks? The risks are low but include discomfort from blood draws or the IV catheter, a small chance of infection, and minimal radiation exposure from the DEXA scan (similar to everyday background radiation). There's also a small risk of a data breach, but participant information will be secured with password-protected systems and use ID numbers instead of names. What do participants get? Participants will receive a DEXA scan, baseline blood sugar, and HbA1C tests. If participants have abnormal results (like high blood sugar), doctor visits would be recommended. There are no direct benefits to participants, but participation could help develop better dietary recommendations in the future. How is privacy protected? Data will be stored securely on password-protected computers and in locked lab facilities, following HIPAA rules. Blood samples will be frozen for up to 10 years for possible future research (with participants' consent) and labeled with an ID number, not participants' names. How to join? Participants will be recruited through flyers, emails, social media, and TCU classes. If interested, participants will complete an online screening form or scan a QR code on our flyer. If eligible, participants will be contacted to confirm details and explain the study further. If participants have questions or want to join, contact Dr. Elisa Marroquin at e.marroquin@tcu.edu or Matthew Loritz at m.loritz@tcu.edu. Participation is voluntary, and participants can withdraw at any time, though data will be kept for analysis.
      No Placebo Group

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Unphased
      Age:18 - 40
      Sex:Male

      Key Eligibility Criteria

      Disqualifiers:Diabetes, Hypertension, Liver Disease, Others
      Must Not Be Taking:Glucose Metabolism Drugs

      10 Participants Needed

      Sympathetic Nervous System Function for Down Syndrome

      Aurora, Colorado
      Down syndrome (DS), the most common genetic cause of intellectual disability, is associated with widespread organ dysfunction, including abnormalities in the autonomic nervous system (ANS). The ANS regulates critical functions such as heart rate (HR) and blood pressure (BP), both essential for maintaining homeostasis and supporting physical activity. Individuals with DS often exhibit blunted HR responses to exercise-typically \~30 beats per minute below expected levels-suggesting reduced sympathetic nervous system (SNS) activity. The SNS governs rapid changes in HR and BP during stress by releasing catecholamines: epinephrine (from the adrenal medulla) and norepinephrine (from sympathetic nerve endings). Despite its importance, SNS function has not been comprehensively assessed among individuals with DS. This study addresses a critical knowledge gap by evaluating SNS responses to physiological stressors in individuals with DS. The investigators will measure beat-to-beat HR and BP, along with plasma catecholamine levels, in response to sympathetic activation, comparing individuals with DS to age- and sex-matched controls. Understanding the mechanisms of SNS dysfunction in DS is vital, as it likely underlies reduced exercise capacity and contributes to broader clinical challenges. These insights may guide targeted interventions to improve cardiovascular function, physical capacity, and overall quality of life in this understudied population.
      No Placebo Group
      Pivotal Trial (Near Approval)

      Trial Details

      Trial Status:Not Yet Recruiting
      Trial Phase:Phase 3
      Age:18 - 50

      Key Eligibility Criteria

      Disqualifiers:Hypertension, Hypotension, Cancer, Diabetes, Others
      Must Be Taking:Thyroid Medications

      200 Participants Needed

      Optimized Caffeine for Sleep Deprivation

      Tucson, Arizona
      This clinical trial will be a comparison between personalized recommended caffeine dosing regimen versus the standard recommended caffeine dosing regimen for sustaining performance during sleep deprivation and minimizing side effects and subsequent sleep disruption. The questions this study aims to answer are: Whether the personalized caffeine recommendations improve vigilance, sleepiness, and cognition after total sleep deprivation, compared to standard recommendations; Whether the personalized caffeine recommendation better addresses the physical and emotional side effects of total sleep deprivation, compared to standard recommendations; And whether personalized caffeine recommendations aids in better recovery sleep after total sleep deprivation, compared to standard recommendations. Participants will be asked to: 1. Complete a 13-day at-home portion, wearing an actigraph watch to measure activity and sleep, and complete motor vigilance tests up to six times a day. 2. Complete a 4-day in-lab portion, where participants will have to complete one night of baseline sleep, undergo 62-hours of total sleep deprivation, and then complete one night of recovery sleep. 3. During the in-lab portion of the study, participants will be asked to complete more motor vigilance tests. Researchers will be comparing the personalized caffeine recommendation group against the standard caffeine recommendation to see if it is better at addressing each of the main questions.

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Unphased
      Age:18 - 39

      Key Eligibility Criteria

      Disqualifiers:Sleep Disorders, Neurologic Disorders, Cardiovascular Disease, Others
      Must Not Be Taking:Sleep Aids, Psychiatric Meds, Illicit Drugs, Others

      180 Participants Needed

      Caffeinated Sports Drink for Exercise Performance

      Phoenix, Arizona
      Caffeine is known to enhance physical and mental performance, but few beverages combine caffeine with electrolytes and carbohydrates to enhance exercise performance. This study evaluates a caffeinated electrolyte-glucose drink's effect on endurance, strength, and cognition. Using a repeated-measures, cross-over design, 20 trained cyclists will complete one familiarization and four randomized 3-hour experimental trials (Liquid I.V.™ Energy Multiplier, Hydration Multiplier, Sugar-Free Hydration Multiplier, and water). Each trial includes 2 hours of cycling in a warm environment (32ºC), followed by strength and cognitive assessments. Cycling performance, capillary blood, urine, and expiratory gases will be collected.

      Trial Details

      Trial Status:Recruiting
      Trial Phase:Unphased
      Age:18 - 55

      Key Eligibility Criteria

      Disqualifiers:Caffeine Sensitivity, Cancer, Pregnancy, Others
      Must Not Be Taking:Testosterone Therapy

      20 Participants Needed

      Caffeine for Premature Birth

      Orange, California
      This study aims to assess whether extending the duration of caffeine therapy will help preterm infants achieve full oral feeding faster.

      Trial Details

      Trial Status:Active Not Recruiting
      Trial Phase:Phase 2
      Age:1 - 40

      Key Eligibility Criteria

      Disqualifiers:Congenital Heart Disease, Neuromuscular Conditions, Brain Injury, Genetic Disorders, Anatomic Anomalies, Others
      Must Be Taking:Caffeine

      80 Participants Needed

      Gene Therapy for Hemophilia A

      Hamilton, Ontario
      This trial tests a single treatment for adult males with severe hemophilia A. The treatment aims to help their bodies produce a necessary protein, reducing the need for regular preventive treatments. Research has been ongoing for a long time to enable the body to produce this protein and reduce bleeding episodes.
      No Placebo Group
      Pivotal Trial (Near Approval)

      Trial Details

      Trial Status:Active Not Recruiting
      Trial Phase:Phase 3
      Age:18 - 64
      Sex:Male

      Key Eligibility Criteria

      Disqualifiers:Liver Disease, Thrombophilia, Hepatitis, HIV, Others
      Must Be Taking:Factor VIII

      77 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

      "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

      "My orthopedist recommended a half replacement of my right knee. I have had both hips replaced. Currently have arthritis in knee, shoulder, and thumb. I want to avoid surgery, and I'm open-minded about trying a trial before using surgery as a last resort."

      HZ
      Arthritis PatientAge: 78

      "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

      "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
      Match to a Caffeine Trial

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      Why We Started Power

      We started Power when my dad was diagnosed with multiple myeloma, and I struggled to help him access the latest immunotherapy. Hopefully Power makes it simpler for you to explore promising new treatments, during what is probably a difficult time.

      Bask
      Bask GillCEO at Power
      Learn More About Trials
      How Do Clinical Trials Work?Are Clinical Trials Safe?What Can I Expect During a Clinical Trial?
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      Frequently Asked Questions

      How much do Caffeine 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 Caffeine 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 Caffeine 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 for Caffeine 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 Caffeine 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 Caffeine clinical trials?

      Most recently, we added Naps for Shift Work, Caffeine for Preterm Birth and Sympathetic Nervous System Function for Down Syndrome to the Power online platform.