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Showing 1–24 of 894 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo powder Clear all
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Nasaleze on Nasal Challenge With Allergen

NCT01723397
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Nasaleze Spray, Placebo spray, Allergen
Drug · Other · Biological
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 2, 2026, 5:35 PM EDT
Active, not recruiting Phase 2 Interventional

Feasibility of Study of Empagliflozin in Patients With Autosomal Dominant Polycystic Kidney Disease

NCT05510115
View directory record Official record
Conditions
Polycystic Kidney, Autosomal Dominant
Interventions
Empagliflozin, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 2, 2026, 5:35 PM EDT
Terminated Phase 4 Interventional Results available

Low-Dose Tenecteplase in Covid-19 Diagnosed With Pulmonary Embolism

NCT04558125
View directory record Official record
Conditions
Pulmonary Embolism, COVID
Interventions
TNKase, Placebo, Enoxaparin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Sep 2, 2026, 5:35 PM EDT
Active, not recruiting Phase 2 Interventional

Probiotics in Newly Diagnosed T1D

NCT04141761
View directory record Official record
Conditions
Type 1 Diabetes, Type1diabetes, Type 1 Diabetes Mellitus
Interventions
Visbiome, Placebo
Dietary Supplement · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
5 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Probiotic on the Innate and Adaptive Host Response to Rhinovirus (EPIARR)

NCT01669603
View directory record Official record
Conditions
Common Cold
Interventions
Bifidobacterium lactis Bl-04, Placebo, Rhinovirus
Dietary Supplement · Biological
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 60 Years
Enrollment
789 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention for Visceral Adiposity

NCT01350518
View directory record Official record
Conditions
Obesity
Interventions
Benefiber, TrueLemon
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
20 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Sequential Single and Multiple Ascending Dose (SAD/MAD) Study of SK10 Powders in Healthy Adult Subjects

NCT06026397
View directory record Official record
Conditions
Chemotherapy-induced Diarrhea
Interventions
SK10, Placebo
Drug
Lead sponsor
Guangzhou Zhiyi Biotechnology Co., Ltd.
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 2, 2026, 5:35 PM EDT
Withdrawn Phase 1 Interventional

Safety, Tolerability, and Efficacy of RLS103 in Subjects With Acute Anxiety Within Social Anxiety Disorder (SAD)

NCT05429788
View directory record Official record
Conditions
Social Anxiety Disorder
Interventions
Low dose RLS103, High dose RLS103, placebo inhaled dry powder
Drug
Lead sponsor
Receptor Life Sciences
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
3
States / cities
Los Angeles, California • Oceanside, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fermented Soy and Heartburn Symptom Relief

NCT03867591
View directory record Official record
Conditions
Heartburn, Acid Regurgitation
Interventions
Gastro-AD®, Placebo
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 8, 2020 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Metabolic Response to Reduced Branched-chain Amino Acids in Humans

NCT03239717
View directory record Official record
Conditions
Diabetes, Obesity, Insulin Resistance
Interventions
Whey protein powder, BCAD2
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
35 Years to 65 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Daily Grapes Intake on Sarcopenia in Postmenopausal Women

NCT05863507
View directory record Official record
Conditions
Sarcopenia
Interventions
Grape powder supplementation, Placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
60 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Botulinum Toxin Type A Against Placebo to Treat Spasticity in the Arm After a Stroke

NCT01392300
View directory record Official record
Conditions
Post-stroke Spasticity of the Upper Limb
Interventions
IncobotulinumtoxinA (400 Units), Placebo Comparator
Drug
Lead sponsor
Merz Pharmaceuticals GmbH
Industry
Eligibility
18 Years to 80 Years
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
13
States / cities
Downey, California • Fountain Valley, California • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Sep 2, 2026, 5:35 PM EDT
Terminated Phase 3 Interventional Results available

A Twelve Month Long Term Safety Study to Evaluate the Safety of Albuterol in a Dry Powder Inhaler With Both Repeated and as Needed Dosing

NCT01218009
View directory record Official record
Conditions
Asthma
Interventions
Placebo Spiromax, Albuterol Spiromax
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years and older
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
30
States / cities
Scottsdale, Arizona • Los Angeles, California • San Diego, California + 27 more
Source: ClinicalTrials.gov public record
Updated May 19, 2015 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 2 Interventional Results available

A Randomized Study To Evaluate The Efficacy And Safety Of An Investigational Drug In Adolescent And Adult Subjects With Asthma Uncontrolled on Non-steroidal Therapy.

NCT00603382
View directory record Official record
Conditions
Asthma
Interventions
GW685698X, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
94
States / cities
Phoenix, Arizona • Fort Smith, Arkansas • Little Rock, Arkansas + 81 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 3 Interventional Results available

A Phase III Study of Safety and Efficacy of Ligelizumab in the Treatment of CSU in Adolescents and Adults Inadequately Controlled With H1-antihistamines

NCT03580369
View directory record Official record
Conditions
Chronic Spontaneous Urticaria
Interventions
Ligelizumab, Omalizumab, Placebo
Biological · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
1,072 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
30
States / cities
Gilbert, Arizona • Litchfield Park, Arizona • Scottsdale, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 1 Interventional

L-Citrulline Supplementation Pilot Study for Overweight Late Onset Asthmatics

NCT01715844
View directory record Official record
Conditions
Asthma
Interventions
L-citrulline
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Efficacy of Indacaterol Versus Placebo Over 12 Weeks

NCT01068600
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Indacaterol, Placebo to indacaterol
Drug
Lead sponsor
Novartis
Industry
Eligibility
40 Years and older
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
54
States / cities
Anniston, Alabama • Jasper, Alabama • Glendale, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2011 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 1 Interventional

A Study of the Safety and Pharmacokinetics of Levodopa Following Administration of CVT 301 (Levodopa Inhalation Powder) in Adults With Asthma

NCT02633007
View directory record Official record
Conditions
Asthma
Interventions
CVT-301 (levodopa inhalation powder), Carbidopa, Placebo
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
25 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Daytona Beach, Florida • North Dartmouth, Massachusetts • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2016 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 1 Interventional

A Safety Trial of DAS181 (Fludase®) in Adult Subjects With Well-Controlled Asthma or Bronchiectasis

NCT01113034
View directory record Official record
Conditions
Asthma, Bronchiectasis
Interventions
DAS181 dry powder, formulation F02, Respitose ML006 (DMV-Fonterra)
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Sep 2, 2026, 5:35 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Ovolux Beauty From Within Trial#2

NCT07188051
View directory record Official record
Conditions
Skin Sagging, Skin Wrinkling, Skin Dryness
Interventions
Ovolux brand eggshell membrane powder, Placebo
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
35 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 2 Interventional Results available

Study of the Clinical Activity, Safety, and Tolerability of SRT2104 in Subjects With Moderate to Severe Plaque-Type Psoriasis

NCT01154101
View directory record Official record
Conditions
Psoriasis
Interventions
Placebo, SRT2104
Drug
Lead sponsor
Sirtris, a GSK Company
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
8
States / cities
St Louis, Missouri • New York, New York • Portland, Oregon + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 2 Interventional

Investigation of Sleep in the Intensive Care Unit

NCT03355053
View directory record Official record
Conditions
Delirium, Sleep
Interventions
Dexmedetomidine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years and older
Enrollment
522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, PK and PD of LGT209 in Healthy Volunteers and Patients With Hypercholesterolemia

NCT01979601
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
LGT209, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Miami Gardens, Florida • Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Sep 2, 2026, 5:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A First In Human Study To Evaluate The Safety, Tolerability And Pharmacokinetics Of PF-04455242 In Single Rising Doses In Healthy Adult Volunteers

NCT00938301
View directory record Official record
Conditions
Bipolar Depression
Interventions
PF-04455242, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 15, 2009 · Synced Sep 2, 2026, 5:35 PM EDT