67 studies found for:    Open Studies | caffeine
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Rank Status Study
21 Not yet recruiting A Study to Assess Effect of JNJ-54861911 on Pharmacokinetics of Cocktail Representatives for Cytochrome P450 (CYP) 3A4, CYP2B6, CYP2C9, and CYP1A2 Substrates
Condition: Healthy
Interventions: Drug: JNJ-54861911;   Drug: Caffeine;   Drug: Midazolam;   Drug: Tolbutamide
22 Recruiting Clinical Study to Evaluate Efficacy of New Paracetamol Formulation Compared to Ibuprofen in Headache
Condition: Headache, Tension-Type
Interventions: Drug: Paracetamol and Caffeine;   Drug: Ibuprofen;   Other: Placebo
23 Recruiting Prevention of Atrial Fibrillation Following Valvular Replacement With Cardiopulmonary Bypass: a Prospective, Randomized Clinical Study Comparing Oral Caffeine With Placebo
Condition: Atrial Fibrillation
Interventions: Drug: citrate of caffeine;   Drug: placebo
24 Not yet recruiting The Effects of Caffeine on Pain-Based Pacing During a Cycling Time-Trial
Condition: Healthy
Interventions: Drug: Caffeine;   Drug: Placebo
25 Not yet recruiting The Effect of BI 187004 on the Pharmacokinetics of Cytochrome P450 Substrates (Caffeine, Warfarin, Omeprazole, Metoprolol and Midazolam) and a P Glycoprotein Substrate (Digoxin)
Condition: Healthy
Interventions: Drug: midazolam;   Drug: caffeine;   Drug: digoxin;   Drug: warfarin;   Drug: omeprazole;   Drug: BI 187004;   Drug: metoprolol
26 Recruiting The Effect of Dosage of Caffeine on Intraocular Pressure
Conditions: Intraocular Pressure;   Caffeine Dosage
Interventions: Other: decaffeinated coffee;   Other: regular dose coffee;   Other: high dose coffee
27 Recruiting Food Effect and CYP1A2 Induction Study in Healthy Subjects
Condition: Healthy Volunteers
Interventions: Drug: Pomalidomide;   Other: Caffeine;   Other: Tobacco
28 Recruiting Imaging the Effects of Zolpidem and Alprazolam in Healthy Volunteers at 3T
Condition: Psychotropic Drugs Effects
Interventions: Drug: Zolpidem;   Drug: Alprazolam;   Drug: Caffeine;   Other: Placebo
29 Unknown  A Comparative Study Between Lysine Clonixinate+Cyclobenzaprine and Caffeine+Carisoprodol+Sodium Diclofenac+Paracetamol
Condition: Low Back Pain
Interventions: Drug: Tandrilax;   Drug: Dolamin Flex
30 Recruiting Treatment of Orthostatic Hypotension in Autonomic Failure
Conditions: Autonomic Failure;   Orthostatic Hypotension
Interventions: Drug: Atomoxetine;   Drug: Acarbose;   Drug: Pyridostigmine Bromide;   Drug: Yohimbine;   Drug: Midodrine HCl;   Drug: placebo;   Drug: Modafinil;   Drug: Octreotide;   Other: water intake;   Drug: Diphenhydramine Hydrochloride;   Drug: Ranitidine HCL;   Drug: Tranylcypromine;   Drug: Ergotamine/ Caffeine;   Drug: Celecoxib;   Drug: Pseudoephedrine;   Drug: Methylphenidate;   Drug: Indomethacin;   Drug: Ibuprofen;   Drug: Oxymetazoline 0.05% nasal solution;   Dietary Supplement: Bovril;   Drug: Acetazolamide;   Drug: Rivastigmine tartrate;   Drug: Carbidopa/levodopa;   Device: Inflatable abdominal binder;   Device: inflatable abdominal binder (sham)
31 Recruiting Cytochrom p450 3A4 and 1A2 Phenotyping for the Individualization of Treatment With Sunitinib or Erlotinib in Cancer Patients
Conditions: Non Small-cell Lung Cancer;   Renal-cell Cancer;   Gastrointestinal Stroma Tumor
Interventions: Drug: Sunitinib;   Drug: Erlotinib;   Drug: Midazolam;   Drug: Caffeine
32 Unknown  Clinical Trial on the Effects of Caffeine and Taurine From Energy Drinks (EDs) to Parameters of the Cardiovascular System in Humans
Condition: Cardiovascular Risk
Intervention: Dietary Supplement: Energy Drink, Taurine, Caffeine
33 Recruiting Inhalation of Low Concentration of CO2 in Preterm Infants Not Responding to Caffeine for the Treatment of Apnea
Condition: Apnea of Prematurity
Intervention: Other: Inhalation of low concentration of CO2
34 Unknown  Effect of Phytochemicals From Theobroma Cacao on Mental Energy
Condition: Mental Fatigue
Interventions: Other: Active comparator 1;   Other: Active comparator 2;   Other: Active comparator 3;   Other: Active comparator 4;   Other: Inactive comparator
35 Not yet recruiting Caffeinated Gum to Prevent Post-Operative Ileus: A Prospective, Randomized, Placebo-controlled Trial
Condition: C.Surgical Procedure; Digestive System
Interventions: Drug: Caffeine;   Other: Gum
36 Not yet recruiting Evaluation of the ReVive SE Device for Intra-Arterial Thrombectomy in Acute Ischemic Stroke
Condition: Stroke
Intervention:
37 Unknown  Effectiveness of Rehabilitation on the Recovery of Patients Post Right Stroke With Unilateral Spatial Neglect
Conditions: Cerebrovascular Accident;   Perceptual Disorders
Intervention: Procedure: The phasic alerting treatment
38 Recruiting Long-term Effects of Green Tea on Gut Flora, Fat Absorption, Body Composition and Resting Energy Expenditure
Condition: Obesity
Interventions: Dietary Supplement: placebo;   Dietary Supplement: green tea (757 mg/capsule [84.5 mg EGCG + 2.1 mg caffeine ]
39 Recruiting REVIVE: Replens Versus Intra-Vaginal Estrogen for the Treatment of Vaginal Dryness on Aromatase Inhibitor Therapy
Conditions: Estrogen Receptor Positive Breast Cancer;   Breast Cancer
Interventions: Drug: ESTRING;   Drug: Replens
40 Unknown  The Effect of Stimulating Substances on Brain Activity of Preterm Infants
Condition: Apneas of Prematurity
Intervention:

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Indicates status has not been verified in more than two years