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Drug or intervention

Caffeine Clinical Trials

Studies that test Caffeine, alone, with other treatments or as the comparison.

1,242 registered studies

In numbers

Open to volunteers
187
Active
224
With results posted
133
All registered
1,242

Open to volunteers: recruiting, not yet recruiting or enrolling by invitation. Active adds studies under way that have stopped recruiting.

Open to volunteers

All 187
  • Post-menopause

    Mental Stress Reactivity in Women With CMD

    • Recruiting
    • Age: 45 years and older

    Coronary Microvascular Dysfunction (CMD) occurs when there are problems in the small blood vessels/arteries of the heart, resulting in persistent chest pain that affects women.

    Trial name
    NCT05401630
    Testing
    Study Procedures
    Where
    4 sites in United States
    Volunteers
    150 people
    Sponsor
    Emory University
    Can I take part? NCT05401630
  • Healthy

    The Effect of Short-term Supplementation of OliPhenolia® on Fat Oxidation

    • Recruiting
    • Age: 21 years and older

    There is current research interest in the use of fruit and plant-based food products containing high levels of natural antioxidants and their impact on exercise, which may be particularly beneficial for recreationally or…

    Trial name
    NCT07210099
    Testing
    Concentrated olive fruit water, Anhydrous caffeine
    Where
    United Kingdom
    Volunteers
    40 people, healthy volunteers welcome
    Sponsor
    Anglia Ruskin University
    Can I take part? NCT07210099
  • Meconium Aspiration Syndrome

    CAffeine Use in Prolonged Oxygen Use in meConium aspIration Syndrome in Neonatal Outcomes (CAPUCINO)

    • Not yet recruiting
    • Age: 10 to 14 days
    • Phase 2

    When babies are stressed in the womb, they sometimes pass meconium in the amniotic fluid. When this happens, they may swallow the meconium-stained fluid into their lungs which may cause them to have poor oxygen levels and require…

    Trial name
    CAPUCINO (NCT06972108)
    Testing
    Caffeine citrate
    Volunteers
    20 people
    Sponsor
    University of Alberta
    Can I take part? CAPUCINO
  • Sleep Wake Disorders, Sleep Initiation and Maintenance Disorders

    AI-Powered Sleep Hygiene Mentor for Adults Living With HIV

    • Not yet recruiting
    • Age: 18 years and older
    • Lifestyle or therapy programme

    Poor sleep is common among people living with HIV and is linked to fatigue, psychological distress and poorer adherence to antiretroviral therapy.

    Conditions
    Sleep Wake Disorders, Sleep Initiation and Maintenance Disorders, HIV Infections
    Trial name
    NCT07894042
    Testing
    AI-powered sleep hygiene mentor
    Where
    Indonesia
    Volunteers
    100 people
    Sponsor
    Universitas Indonesia
    Can I take part? NCT07894042
  • Traumatic Brain Injuries, TBI (Traumatic Brain Injury)

    Rehabilitation Through Virtual Immersion & Integrated Exposure for Mild Traumatic Brain Injury (ReVIVE for mTBI)

    • Recruiting
    • Age: 18 to 55 years
    • Phase 1
    • Medical device
    • Lifestyle or therapy programme

    The primary goal of this study is to evaluate the effectiveness of an integrated therapeutic model - combining VR and standard psychotherapy in improving executive function and hyperarousal adults impacted with mTBI.

    Conditions
    Traumatic Brain Injuries, TBI (Traumatic Brain Injury), MTBI - Mild Traumatic Brain Injury, mTBI
    Trial name
    ReVIVE (NCT07890337)
    Testing
    Virtual Reality, Standard Psychotherapy
    Where
    United States
    Volunteers
    30 people
    Sponsor
    Johns Hopkins University
    Can I take part? ReVIVE
  • Cerebral Venous Sinus Thrombosis

    MENA Regional Endovascular Intervention for Venous Cerebral Venous Sinus Thrombosis

    • Recruiting
    • Age: 18 to 65 years
    • Surgery or procedure

    REVIVE-CVST is a multicenter, prospective, randomized, open-label, blinded-endpoint (PROBE) trial evaluating whether early endovascular thrombectomy (EVT) combined with standard anticoagulation improves outcomes compared to…

    Trial name
    REVIVE-CVST (NCT07548346)
    Testing
    Endovascular Thrombectomy, Anticoagulation Therapy
    Where
    14 sites in Egypt, Jordan and 6 more
    Volunteers
    440 people
    Sponsor
    Middle East North Africa Stroke and Interventional Neurotherapies Organization
    Can I take part? REVIVE-CVST
  • Bioprosthetic Valve Failure, Prosthetic Heart Valve Dysfunction

    REVIVE-FR Registry

    • Not yet recruiting
    • Age: 18 years and older
    • Observational study
    • Surgery or procedure

    This registry aims to investigate treatment options for patients whose previously implanted biological aortic heart valve no longer functions properly.

    Conditions
    Bioprosthetic Valve Failure, Prosthetic Heart Valve Dysfunction, Structural Valve Deterioration, Prosthetic Heart Valve Thrombosis
    Trial name
    NCT07885761
    Testing
    TAVI-in-SAVR (Valve-in-Valve), THV-in-THV (Redo-TAVI), Surgical Explantation of a Failed Transcatheter Heart Valve
    Volunteers
    200 people
    Sponsor
    Institut für Pharmakologie und Präventive Medizin
    Can I take part? NCT07885761
  • Oxygen Toxicity, Hypercapnia

    Oxygen Toxicity: Mechanisms in Humans

    • Recruiting
    • Age: 18 to 45 years
    • Lifestyle or therapy programme

    The goal of this clinical trial is to learn about the mechanisms of oxygen toxicity in scuba divers. The main questions it aims to answer are: How does the training of respiratory muscles affect oxygen toxicity? How do…

    Conditions
    Oxygen Toxicity, Hypercapnia, Seizures
    Trial name
    NCT05761756
    Testing
    Sleep Deprivation, Caffeine, Methylphenidate
    Where
    United States
    Volunteers
    62 people, healthy volunteers welcome
    Sponsor
    Duke University
    Can I take part? NCT05761756
  • Amyotrophic Lateral Sclerosis, Cytochrome P-450 Enzyme System

    A Study of LY3873862 in Participants With Sporadic or Familial Amyotrophic Lateral Sclerosis (ALS).

    • Not yet recruiting
    • Age: 18 to 75 years
    • Phase 1

    The main purpose of this study in participants with Sporadic or Familial Amyotrophic Lateral Sclerosis (ALS) is to test the safety of different doses and to determine the amount of LY3873862 that gets into the bloodstream and how…

    Trial name
    NCT07883590
    Testing
    LY3873862, CYP450 Drug Cocktail
    Where
    4 sites in United States, Canada
    Volunteers
    32 people
    Sponsor
    Eli Lilly and Company
    Can I take part? NCT07883590
  • Survivors of Childhood Cancer, Acute Lymphoblastic Leukemia, Childhood

    Feasibility and Acceptability of Remote Saliva Collection

    • Recruiting
    • Age: 8 to 18 years
    • Observational study

    The purpose of this study is to evaluate the practicality and acceptability of collecting biological samples and health information from childhood survivors of acute lymphoblastic leukemia (ALL) and their siblings.

    Trial name
    NCT07884474
    Testing
    Salivary Cortisol Collection, Blood Biomarker Collection, Hair Cortisol Collection
    Where
    United States
    Volunteers
    100 people, healthy volunteers welcome
    Sponsor
    St. Jude Children's Research Hospital
    Can I take part? NCT07884474

Completed, with results posted

All 120
  • Cirrhosis

    A Study to Detect Advanced Liver Disease Via AI-enabled Electrocardiogram

    • Completed
    • Age: 18 years and older
    • Medical device
    • Results posted

    The overall objectives of this study are to determine the effectiveness of ACE 2.0 model in early detection of advanced liver fibrosis, and to determine the acceptance and barriers for use of an AI-enabled algorithm for…

    Trial name
    ADVANCE (NCT05782283)
    Testing
    ACE (AI-Cirrhosis-ECG) 2.0
    Where
    United States
    Volunteers
    248 people
    Sponsor
    Mayo Clinic
    Can I take part? ADVANCE
  • Multiple Chronic Conditions, Decision Making, Shared

    Effect of Patient Priorities Care Implementation in Older Veterans With Multiple Chronic Conditions

    • Completed
    • Age: 65 years and older
    • Lifestyle or therapy programme
    • Results posted

    The investigators will conduct a randomized control trial enrolling 420 older Veterans with multiple chronic conditions receiving primary care at the Michael E.

    Trial name
    PPC (NCT04922320)
    Testing
    Patient Priorities Care, Usual Care
    Where
    2 sites in United States
    Volunteers
    437 people
    Sponsor
    VA Office of Research and Development
    Can I take part? PPC
  • Pulmonary Tuberculoses, Other Specified Pulmonary Tuberculosis

    BTZ-043 - Multiple Ascending Dose (MAD) to Evaluate Safety, Tolerability and Early Bactericidal Activity (EBA)

    • Completed
    • Age: 18 to 64 years
    • Phase 1/2
    • Results posted

    This is a prospective, open label, two-centre, randomized, controlled, two-stage, phase Ib/IIa study to evaluate the safety, tolerability, PK, drug-drug interaction and bactericidal activity of BTZ-043 administered orally once…

    Trial name
    NCT04044001
    Testing
    BTZ-043, Rifafour e-275®, Probe Drug Cocktail
    Where
    2 sites in South Africa
    Volunteers
    78 people
    Sponsor
    Michael Hoelscher
    Can I take part? NCT04044001
  • Refractive Ametropia, Astigmatism

    1-Week Dispensing Evaluation of REVIVE™ Toric Soft Contact Lenses

    • Completed
    • Age: 18 years and older
    • Medical device
    • Results posted

    Experienced soft contact lens wearing subjects were enrolled in this 1-week, post-market, bilateral, repeated measures, dispensing study.

    Trial name
    NCT06053736
    Testing
    REVIVE Toric Soft Contact Lenses
    Where
    United States
    Volunteers
    32 people, healthy volunteers welcome
    Sponsor
    Bausch & Lomb Incorporated
    Can I take part? NCT06053736
  • Heart Failure

    Informational Nudge to Improve Heart Failure Prescribing

    • Completed
    • Age: 18 years and older
    • Lifestyle or therapy programme
    • Results posted

    This study addresses a critical gap of care for Veterans with heart failure (HF). Only 1/3 or fewer eligible Veterans are receiving recommended SGLT2 and MRA therapies that save lives and prevents HF hospitalizations.

    Trial name
    Nudge (NCT05986695)
    Testing
    Alert, Peer comparison report
    Where
    United States
    Volunteers
    81 people, healthy volunteers welcome
    Sponsor
    VA Office of Research and Development
    Can I take part? Nudge

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