David Crowley, MD
KGK Science Inc.
Emerging Leaders
not ranked
Current Leaders
#4740 pts
All-Time Leaders
#1,57817 pts
Scored by the scientific impact (publications, citations, press) of the trials they lead, weighted by role. First trial 2007. 22 trials as lead/chair. How it works →
Trials led — by scientific impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study to Investigate the Safety and Efficacy of JointAlive™ on Improving Knee Joint Function in Adults With Mild to Moderate Knee Osteoarthritis
N/ACompletedChenland Nutritionals Inc.
9
impact
A Randomized, Double-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Efficacy of AlphaWave® L-Theanine on Adults Who Experience Moderate Stress on a Regular Basis
Phase 2CompletedEthical Naturals, Inc.
1
impact
A Single-arm Open-label Study to Investigate the Bioavailability and Skin Absorption of CBD and THC From GT4 Technology in Healthy Adults
Phase 1CompletedGefion Canada Inc.
1
impact
A Double Blind, Placebo Controlled Parallel Study to Investigate the Effect of a High Protein, High Fiber Dietary Supplement on Weight and Fat Loss in Healthy Overweight Adults
N/ACompletedBeachbody
1
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study to Investigate the Safety and Efficacy of Bio-Active Silver Hydrosol™ in Providing Immune Support
N/ACompletedNatural Immunogenics Corp.
1
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study to Investigate the Effect of Floradapt Mature Immune Defense on Nutrient Uptake and Digestive Health in a Healthy Elderly Population
Phase 2CompletedKaneka Americas Holding Inc.
1
impact
A Randomized, Double-blind, Comparator-controlled, Cross-over Study to Investigate the Pharmacokinetics of Prolonged-release Melatonin Compared to Standard, Immediate-release Melatonin in Healthy Adults
Phase 1CompletedPharmavite LLC
1
impact
A Single-center, Randomized, Double-blind, Comparator-controlled Parallel Study Investigating the Bioavailability of Cannabidiol and Δ9-Tetrahydrocannabinol in an Emulsion Product in a Healthy Population
Phase 1CompletedNew Age Ventures LLC
1
impact
An Open Label Study to Investigate the Efficacy of Nic's Keto Diet on Cardiovascular Health in Healthy Adults With Mildly Elevated LDL Levels
N/ACompletedTRC GEN+ managed by Trans Russian co Cy
1
impact
A Randomized, Triple-blind, Placebo-controlled, Cross-over Clinical Trial to Determine the Safety and Efficacy of an Origin Satiety Complex on Self-reported Hunger and Satiety in Healthy Adults
N/ANot Yet RecruitingVora Life LLC
0
impact
A Randomized, Single-blind, Controlled, Parallel Clinical Trial to Examine the Efficacy and Safety of an Investigational Product With and Without Use of Semaglutide on Glycemic Response in Adults With Prediabetes or Type 2 Diabetes
N/ARecruitingQuickSilver Scientific
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of Bloat on Gas and Bloating in Healthy Women
N/ANot Yet RecruitingArrae
0
impact
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of MB-1 on Metabolic Health in Overweight and Obese Adults
N/ANot Yet RecruitingArrae
0
impact
A Randomized, Triple-blind, Placebo-controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of Papillex® on Abnormal Cervical Cells Caused by HPV
N/ARecruitingPapillex Inc.
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of Redsenol-1 Plus on Cancer-related Fatigue in Adults
N/ANot Yet RecruitingCanada Royal Enoch Phytomedicine Co., Ltd.
0
impact
An Open-label, Dose-escalation Clinical Trial to Assess the Pharmacokinetic Profile of Propylene Glycol (PG) in Healthy Adults Following PG Exposure
N/ANot Yet RecruitingAmerican Beverage Association
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Virtual Clinical Trial to Investigate the Efficacy and Safety of GenLabs' Social Renew on Improving Acne Symptoms and Skin Repair Among Healthy Adults
N/ANot Yet RecruitingGenCanna Acquisition Corp
0
impact
A Randomized, Triple-Blind, Comparator-Controlled, Cross-Over Clinical Trial to Explore the Efficacy of Two Investigational Products on Post-Exercise Hydration in Recreationally Active Healthy Adults
N/ANot Yet RecruitingChobani
0
impact
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Efficacy and Safety of Chronic Exposure to Nextida GC-B on Glycemic Control in Adults With Normoglycemia or Prediabetes
N/ARecruitingRousselot BVBA
0
impact
A Randomized, Double-blind, Placebo-controlled, Cross-over Clinical Trial to Investigate the Efficacy of Bragg Apple Cider Vinegar Supplement on Blood Glucose Control in a Healthy Adult Population
N/ANot Yet RecruitingBragg Live Food Products
0
impact
A Randomized, Single-blind, Controlled, Cross-over Clinical Trial to Investigate the Efficacy of Bragg Apple Cider Vinegar on Blood Glucose Control in a Healthy Adult Population
N/ARecruitingBragg Live Food Products
0
impact
0
impact
A Randomized, Triple-blind, Placebo Controlled, Cross-over Clinical Trial to Assess the Efficacy of a Single Dose of AlphaWave® L-Theanine on Cognitive Function in Healthy Adults With Moderate Stress
N/ARecruitingEthical Naturals, Inc.
0
impact
An Open Label Pilot Study Evaluating the Efficacy of a Smart Phone-based Test on Measuring Pupillary Light Reflex Alterations Following Cannabis Use Healthy in Adults
N/ARecruitingSobereye Inc.
0
impact
An Observational Virtual Trial to Investigate the Accuracy of a Wearable Device in Collecting Data Related to Perimenopausal Symptoms in Women
N/ARecruitingIdentifyHer Limited
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Clinical Trial to Examine Lysoveta on Cognitive Function in Healthy Adults With Self-perceived Memory Problems
N/ARecruitingAker BioMarine Human Ingredients AS
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Effect of Pollen Extracts on Menopausal Symptoms in Healthy Women.
Phase 2RecruitingGraminex LLC
0
impact
The Effect of Humiome® Post LB on Gut COMFort in healthY Adult Volunteers: a Double-blind, Randomized Placebo-controlled Study
N/ARecruitingdsm-firmenich Switzerland AG
0
impact
A Randomized, Double-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of Bacillus Coagulans SNZ 1969 on Immune Health in Healthy School-aged Children
N/ARecruitingSanzyme Biologics Private Limited
0
impact
A Randomized, Triple-blind, Placebo-controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of NeuroQ on Cognitive Function in Healthy Adults with Self-reported Memory Problems.
Phase 2CompletedLifeSeasons Inc.
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Efficacy of Bio Gelee Royale Forte on Immune Health in Healthy Adults
Phase 2CompletedMedex d.o.o.
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study Investigating the Efficacy of a Probiotic Blend on Stress in Adolescents With Moderate Perceived Stress
Phase 2CompletedLallemand Health Solutions
0
impact
An Open-label Study Evaluating the Effects of the GOLO for Life® Plan and Release Supplement on Weight Management in Overweight and Obese Adults
Phase 2CompletedGolo
0
impact
A Randomized, Triple-blind, Placebo Controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of D-Mannose on Symptoms of Urinary Tract Infection in Women
Phase 2CompletedKEB Nutraceuticals USA, Inc.
0
impact
An Open-label Clinical Trial to Investigate the Safety and Efficacy of a Bone Broth Diet on Weight Loss in Obese Adults
N/ACompletedVeyl Ventures LLC
0
impact
0
impact
An Open-Label Investigation of the Effects of Sub-Perceptual Repeat Dosing of Psilocybin on the Behavioural and Cognitive Symptoms of Fragile X Syndrome in Adult Patients
Phase 2SuspendedNova Mentis Life Science Corp
0
impact
An Open Label Study to Investigate the Safety and Efficacy of an NAD+ Boosting Investigational Product Together With a Low Carbohydrate Diet in an Adult Population With Mild Hypertension and Eligible for Normal-standard-of-care
Phase 2CompletedLimitless Research Inc.
0
impact
Effects of a Yeast Fermentate (EpiCor) Supplement on Cold or Flu Symptoms in Healthy Children: A Randomized, Double-blind, Placebo Controlled Clinical Trial
N/ACompletedCargill
0
impact
A Randomized, Triple-blind, Placebo-controlled, Parallel Clinical Trial to Investigate the Safety and Efficacy of MoodElite T-4003-1 on Improving Mood in a Healthy Adult Population With Mild to Moderate Depressive Symptoms Not Eligible for Therapeutic Intervention
Phase 2CompletedChenland Nutritionals Inc.
0
impact
A 90-day, Double-blind, Placebo-controlled, Randomized, Parallel-Group Efficacy and Safety Study of an Amino Acid Supplement in Adults
Phase 2CompletedZandA Technologies, llc
0
impact
A Randomized, Comparator-controlled Parallel Study to Investigate the Dose Response of an Almond-enriched Diet on Optimizing HDL-C in a Population With Hypercholesterolemia
N/ACompletedAlmond Board of California
0
impact
An Open-label, Exploratory Study to Investigate the Efficacy of BDNF Essentials® on Cognition in a Healthy Adult Population With Self-reported Memory Complaints
Phase 1CompletedResearched Nutritionals LLC
0
impact
A Randomized, Triple-blind, Comparator Controlled, Parallel Clinical Trial to Study the Efficacy and Safety of Three Test Products and Comparator on Muscular Performance in a Healthy, Sedentary Adult Population After the Initiation of a Resistance Training Program
Phase 2CompletedRoquette Canada, LTD.
0
impact
A Randomized, Double-blind, Placebo-controlled Study to Investigate the Effects of a Bifidobacterium Breve Strain on Fat Loss in Healthy Adults
N/ACompletedMorinaga Milk Industry Co., LTD
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study to Determine the Safety and Efficacy of Oligopin® on Metabolic Risk Factors in Subjects With Metabolic Syndrome
N/AUnknownLes Derives Resiniques et Terpeniques
0
impact
A Randomized, Open-label, Parallel Study to Investigate the Efficacy of CARDIO Softgels PLUS Best-standard-of-care in the Recovery of Patients With COVID-19 Who Are Hospitalized as Well as Patients Following the Guidance From Public Health
N/ACompletedHofseth Biocare ASA
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel, Research Study to Investigate the Safety and Efficacy of a Probiotic Lactobacillus Plantarum 276 (Lp276) on Gastrointestinal Health in Healthy Adults
N/AUnknownChurch & Dwight Company, Inc.
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study Investigating the Efficacy of Brain Octane® Oil (Caprylic Acid Triglycerides) on Cognition, Coordination, Reaction Time and Measurements of Physical Performance in Recreationally Active Adults
N/ACompletedBulletproof 360, Inc.
0
impact
A Randomized, Double-blind, Placebo-controlled, Cross-over, Pilot Study to Investigate the Efficacy of Rest-ZZZ Formula in Healthy Participants With Difficulty Falling Asleep or Staying a Sleep
Phase 1CompletedLifeSeasons Inc.
0
impact
A Randomized, Double-blind, Placebo-controlled, Study to Investigate the Efficacy of Graminex® Flower Pollen Extracts in Healthy Women With Urinary Incontinence.
Phase 2CompletedGraminex LLC
0
impact
A Randomized, Double-blind, Placebo-controlled, Parallel Study to Evaluate the Effect of GFA-918 on Serum Triglyceride Levels in Individuals With Elevated Serum Triglyceride
Phase 2CompletedBIO-CAT Microbials, LLC
0
impact
A Proof-of-concept Study to Evaluate the Efficacy of Salmon Protein Hydrolysate Powder on Energy Increase and Anti-inflammatory Modulation in Healthy Males and Females
Phase 1CompletedHofseth Biocare ASA
0
impact
A Randomized, Placebo-controlled, Double-blind, Parallel Study to Determine the Effect of Farlong® NotoGinseng™ (Farlong® Ginseng Plus®) on Cholesterol and Blood Pressure
Phase 2CompletedLongStar HealthPro, Inc. DBA Farlong Pharmaceutical
0
impact