Clinical Trials: SEARCH[STUDY] TILT[STUDY:STUDY-FIRST-POSTED] ( Cystic Fibrosis [STUDY:ALL-FIELDS] )
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NCTID/Status
Study
Last Changed
1
NCT02449785
Completed
Completed
Assessment of Cystic Fibrosis Lung Involvement With UTE Pulse Sequences
Conditions: Cystic Fibrosis
Intervention: MR Measurements Of Lung Morphological Changes In Cystic Fibrosis (Avanto Dot, Siemens), CT Measurements Of Lung Morphological Changes In Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: MR Measurements Of Lung Morphological Changes In Cystic Fibrosis (Avanto Dot, Siemens), CT Measurements Of Lung Morphological Changes In Cystic Fibrosis
November 23, 2017
2
NCT03820349
Recruiting
Recruiting
Cystic Fibrosis and Cognitive Function
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
January 25, 2019
3
NCT03462056
Completed
Completed
Ready to Use Therapeutic Food (RUTF) to Promote Growth in Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Cystic Fibrosis Ready To Use Supplemental Food
Conditions: Cystic Fibrosis
Intervention: Cystic Fibrosis Ready To Use Supplemental Food
June 19, 2019
4
NCT02992080
Recruiting
Recruiting
Small Circulating RNA as Molecular Markers of Lung Disease in Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: MiRNAs Isolation From Blood Samples Of Patients And Control
Conditions: Cystic Fibrosis
Intervention: MiRNAs Isolation From Blood Samples Of Patients And Control
February 7, 2019
5
NCT03699982
Recruiting
Recruiting
Resting Energy Expenditure in Patients With Cystic Fibrosis: A Pilot Study
Conditions: Cystic Fibrosis
Intervention: Daily Calorie Target Based On Resting Energy Expenditure
Conditions: Cystic Fibrosis
Intervention: Daily Calorie Target Based On Resting Energy Expenditure
May 20, 2019
6
NCT03753828
Completed
Completed
Estimated Impact of Fungal Colonization in Cystic Fibrosis From Secondary Exploitation of MucoFong Database.
Conditions: Cystic Fibrosis Lung
Conditions: Cystic Fibrosis Lung
May 2, 2019
7
NCT02710383
Recruiting
Recruiting
Biomarker for Patients With Cystic Fibrosis (BioCyFi)
Conditions: Mucoviscidosis; Hereditary Disease
Conditions: Mucoviscidosis; Hereditary Disease
June 14, 2019
8
NCT03279965
Recruiting
Recruiting
MRI in Cystic Fibrosis and Primary Ciliary Dyskinesia
Conditions: Cystic Fibrosis; Primary Ciliary Dyskinesia
Intervention: MRI
Conditions: Cystic Fibrosis; Primary Ciliary Dyskinesia
Intervention: MRI
September 11, 2017
9
NCT03421366
Not yet recruiting
Not yet recruiting
Modified Release Posaconazole in Patients With Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Posaconazole
Conditions: Cystic Fibrosis
Intervention: Posaconazole
January 29, 2018
10
NCT02129803
Recruiting
Recruiting
Evaluating High Flow Humidification Therapy in Patients With Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: High-Flow, 20 LPM (via Optiflow Cannula), Low FLow, 5 LPM (via Optiflow Cannula)
Conditions: Cystic Fibrosis
Intervention: High-Flow, 20 LPM (via Optiflow Cannula), Low FLow, 5 LPM (via Optiflow Cannula)
October 4, 2018
11
NCT03713437
Recruiting
Recruiting
Measurement of Beta Cell Death in Individuals With Cystic Fibrosis
Conditions: Cystic Fibrosis-related Diabetes
Intervention: Measurement Of Differentially Methylated Insulin DNA
Conditions: Cystic Fibrosis-related Diabetes
Intervention: Measurement Of Differentially Methylated Insulin DNA
July 25, 2019
12
NCT01799642
Completed
Completed
Evaluating Sensations of Breathlessness in Patients With Cystic Fibrosis
Conditions: Lung; Disease; Cystic Fibrosis; Healthy
Conditions: Lung; Disease; Cystic Fibrosis; Healthy
November 19, 2015
13
NCT04016571
Recruiting
Recruiting
Parameters to Assess Response to Intra-Venous Antibiotic Treatment for Pulmonary Exacerbations in Cystic Fibrosis
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
July 10, 2019
14
NCT03754088
Completed
Completed
In Vitro Model of the Cystic Fibrosis Bronchial Epithelium Via iPS Technology
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
June 14, 2019
15
NCT03524859
Completed
Completed
Evaluation of Sit-to-stand Test in Patients With Cystic Fibrosis and Matched Controls.
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
April 25, 2019
16
NCT02416375
Unknown status
Unknown status
Home Monitoring to Predict Exacerbation in Cystic Fibrosis
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
February 16, 2016
17
NCT02803944
Completed
Completed
Continuous Azithromycin in Cystic Fibrosis Patients Beyond Two Years
Conditions: Cystic Fibrosis
Intervention: Azithromycin
Conditions: Cystic Fibrosis
Intervention: Azithromycin
June 14, 2016
18
NCT02309229
Completed
Completed
Sputum Purulence as a Predictor of Cystic Fibrosis Exacerbations: a Prospective Cohort Trial.
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
December 2, 2014
19
NCT03892304
Completed
Completed
Gynecological Health Improvement of Adult Women With Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Self-report Written Questionnaire
Conditions: Cystic Fibrosis
Intervention: Self-report Written Questionnaire
March 26, 2019
20
NCT03913507
Recruiting
Recruiting
Efficacy of a New Sweat Collection Support: Impact on Neonatal Screening and Early Treatment of Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Macroduct® Advanced Model 3710 SYS, Wescor
Conditions: Cystic Fibrosis
Intervention: Macroduct® Advanced Model 3710 SYS, Wescor
April 11, 2019
21
NCT02847208
Completed
Completed
Contraceptive Practices and Cervical Screening in Women With Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Self-report Written Questionnaire
Conditions: Cystic Fibrosis
Intervention: Self-report Written Questionnaire
July 25, 2016
22
NCT03205904
Recruiting
Recruiting
Nutritional Intervention and Glycemic Improvement in Patients With Pre-diabetic Cystic Fibrosis.
Conditions: Cystic Fibrosis-related Diabetes; Cystic Fibrosis
Intervention: Diet
Conditions: Cystic Fibrosis-related Diabetes; Cystic Fibrosis
Intervention: Diet
August 3, 2018
23
NCT04002882
Recruiting
Recruiting
Role of Body Fat Distribution in Metabolic and Pulmonary Decline in Cystic Fibrosis (ORBIT-CF)
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
July 31, 2019
24
NCT01379040
Completed
Completed
Volatile Organic Compounds in Cystic Fibrosis
Conditions: Cystic Fibrosis; Pseudomonas Aeruginosa
Intervention: Cystic Fibrosis Patients
Conditions: Cystic Fibrosis; Pseudomonas Aeruginosa
Intervention: Cystic Fibrosis Patients
August 12, 2014
25
NCT01548729
Unknown status
Unknown status
Metabolic Efficiency of Combined Pancreatic Islet and Lung Transplant for the Treatment of End-Stage Cystic Fibrosis
Conditions: Cystic Fibrosis; Diabetes Related Cystic Fibrosis
Intervention: Combined Pancreatic Islet And Lung Transplantation
Conditions: Cystic Fibrosis; Diabetes Related Cystic Fibrosis
Intervention: Combined Pancreatic Islet And Lung Transplantation
March 16, 2016
26
NCT01806025
Completed
Completed
Correlation Between Haptoglobin Phenotypes and Infectious and Other Complications in Cystic Fibrosis Patients
Conditions: Cystic Fibrosis
Intervention: No Intervention
Conditions: Cystic Fibrosis
Intervention: No Intervention
July 27, 2016
27
NCT03357913
Completed
Completed
Non-respiratory Comorbidities Observed in Pulmonary French Transplant Patients With Cystic Fibrosis
Conditions: Pulmonary Failure; Cystic Fibrosis
Intervention: Lung Transplantation
Conditions: Pulmonary Failure; Cystic Fibrosis
Intervention: Lung Transplantation
November 29, 2017
28
NCT02703155
Unknown status
Unknown status
The Use of Home Oral Glucose Tolerance Test Kit in Screening Cystic Fibrosis Related Diabetes
Conditions: Cystic Fibrosis Related Diabetes; Cystic Fibrosis
Intervention: Home Oral Glucose Tolerance Test Kit
Conditions: Cystic Fibrosis Related Diabetes; Cystic Fibrosis
Intervention: Home Oral Glucose Tolerance Test Kit
March 3, 2016
29
NCT02308267
Unknown status
Unknown status
Impaired Secretory IgA and Mucosal Immunity in Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Lung Explants, Sputum, Nasal Fluid And Serum, Bronchoscopy
Conditions: Cystic Fibrosis
Intervention: Lung Explants, Sputum, Nasal Fluid And Serum, Bronchoscopy
February 24, 2016
30
NCT02048592
Unknown status
Unknown status
Impact of Immunonutrition on the Patients With Cystic Fibrosis
Conditions: Cystic Fibrosis; Malnutrition; Oxidative Stress
Intervention: Impact-Nutridrink, Nutridrink-Impact
Conditions: Cystic Fibrosis; Malnutrition; Oxidative Stress
Intervention: Impact-Nutridrink, Nutridrink-Impact
January 27, 2014
31
NCT02668575
Active, not recruiting
Active, not recruiting
Integrating Supportive Care in Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Supportive Care Intervention
Conditions: Cystic Fibrosis
Intervention: Supportive Care Intervention
July 10, 2019
32
NCT02054377
Completed
Completed
Cystic Fibrosis- Children and Adults Tai Chi Study
Conditions: Cystic Fibrosis
Intervention: Tai Chi
Conditions: Cystic Fibrosis
Intervention: Tai Chi
March 12, 2018
33
NCT00908830
Completed
Completed
Effects of Mycophenolate Mofetil in Cystic Fibrosis Lung Transplant Patients
Conditions: Cystic Fibrosis; Lung Transplant
Conditions: Cystic Fibrosis; Lung Transplant
August 3, 2018
34
NCT02700282
Completed
Completed
Backpack Carrying in Children With Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Backpack Carrying
Conditions: Cystic Fibrosis
Intervention: Backpack Carrying
December 8, 2016
35
NCT03902236
Recruiting
Recruiting
Reaction Time and Postural Control in Individuals With Cystic Fibrosis and Bronchiectasis
Conditions: Cystic Fibrosis; Bronchiectasis
Intervention: Reaction Time And Postural Control, Muscle Oxygenation, Exercise Capacity, Balance
Conditions: Cystic Fibrosis; Bronchiectasis
Intervention: Reaction Time And Postural Control, Muscle Oxygenation, Exercise Capacity, Balance
April 2, 2019
36
NCT01651455
Completed
Completed
Retrospective Observational Study to Compare Cystic Fibrosis Patients in Two Decades Before and After 2000
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
July 30, 2013
37
NCT03903913
Recruiting
Recruiting
Safety, Tolerability and Efficacy of S-1226 in Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: S-1226
Conditions: Cystic Fibrosis
Intervention: S-1226
April 5, 2019
38
NCT01353950
Completed
Completed
Costimulatory Molecules as Biomarkers in Cystic Fibrosis
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
April 4, 2017
39
NCT03577756
Recruiting
Recruiting
Neurodevelopmental Assessment of Infants With Cystic Fibrosis
Conditions: Neurodevelopmental Disorders; Cystic Fibrosis
Intervention: Neurodevelopmental Assessments
Conditions: Neurodevelopmental Disorders; Cystic Fibrosis
Intervention: Neurodevelopmental Assessments
December 2, 2018
40
NCT03229213
Enrolling by invitation
Enrolling by invitation
Interactive Video Game Responses in Cystic Fibrosis
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
September 19, 2017
41
NCT02994017
Recruiting
Recruiting
Prognostic Value of Functional Exercise Test (EFX) in Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Cardiopulmonary Exercise Testing
Conditions: Cystic Fibrosis
Intervention: Cardiopulmonary Exercise Testing
February 12, 2019
42
NCT02847156
Completed
Completed
Impact of Respiratory Viral Infections in Infants With Cystic Fibrosis.
Conditions: Cystic Fibrosis; Respiratory Viral Infection
Intervention: Physical Assessment
Conditions: Cystic Fibrosis; Respiratory Viral Infection
Intervention: Physical Assessment
July 25, 2016
43
NCT02562911
Completed
Completed
Puberty in Girls Followed for Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Data Collection
Conditions: Cystic Fibrosis
Intervention: Data Collection
March 12, 2017
44
NCT01306279
Completed
Completed
The Infective Pulmonary Exacerbations in Cystic Fibrosis - an Ecological Perspective
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
March 17, 2016
45
NCT02883816
Completed
Completed
Early Assessment of Respiratory Function, Inflammation and Bronchial Reshuffle Among Newborns Screened for Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: Assessment Of Lung Function
Conditions: Cystic Fibrosis
Intervention: Assessment Of Lung Function
August 24, 2016
46
NCT01183286
Unknown status
Unknown status
CFfone: A Cell Phone Support Program for Adolescents With Cystic Fibrosis
Conditions: Cystic Fibrosis
Intervention: CFFONE, CF Website
Conditions: Cystic Fibrosis
Intervention: CFFONE, CF Website
August 16, 2010
47
NCT01078740
Completed
Completed
Detection of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) Activity in Rectal Tissues From Human Subjects
Conditions: Cystic Fibrosis
Conditions: Cystic Fibrosis
March 5, 2013
48
NCT02198079
Completed
Completed
A Prospective, Multicenter, Collaborative Study to Determine the Prevalence of Nontuberculous Mycobacteria (NTM) in Pediatric Patients With Cystic Fibrosis in Florida
Conditions: Cystic Fibrosis; Pediatrics
Intervention: Sputum
Conditions: Cystic Fibrosis; Pediatrics
Intervention: Sputum
May 22, 2015
49
NCT01331980
Completed
Completed
Bone Microarchitecture at the Radius: a Pilot Comparison Between Children With Cystic Fibrosis and Healthy Controls
Conditions: Cystic Fibrosis
Intervention: Peripheral Quantitative Computed Tomography (pQCT), Dual X-ray Absorptiometry (DXA)
Conditions: Cystic Fibrosis
Intervention: Peripheral Quantitative Computed Tomography (pQCT), Dual X-ray Absorptiometry (DXA)
July 2, 2015
50
NCT03001388
Active, not recruiting
Active, not recruiting
Longitudinal Assessment of Transient Elastography in Cystic Fibrosis
Conditions: Cystic Fibrosis Liver Disease
Intervention: Transient Elastography (TE)
Conditions: Cystic Fibrosis Liver Disease
Intervention: Transient Elastography (TE)
July 15, 2019
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Clinical trial records are often updated after they have been published. The first received, last updated, start, and end dates are all displayed in the full text view of the clinical trial.
Specify a From date to find the most recent trials. Specify both From and To dates to find trials submitted during a certain period. If no dates are given, all trials will be included.
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In Phase 2 (Phase II) clinical trials, the study drug or treatment is given to a larger group of people (100-300) to see if it is effective and to further evaluate its safety.
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In Phase 4 (Phase IV) clinical trials, post marketing studies delineate additional information including the drug's risks, benefits, and optimal use.
These phases are defined by the Food and Drug Administration in the Code of Federal Regulations.
In Phase 1 (Phase I) clinical trials, researchers test a new drug or treatment in a small group of people (20-80) for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
In Phase 2 (Phase II) clinical trials, the study drug or treatment is given to a larger group of people (100-300) to see if it is effective and to further evaluate its safety.
In Phase 3 (Phase III) clinical trials, the study drug or treatment is given to large groups of people (1,000-3,000) to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
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Examples:
NCT00001789
97-h-0197
ia0006
actg 076
97-h-0197
ia0006
actg 076
Sponsor (Lead)
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Examples:
National Cancer Institute
Mayo Clinic
Bristol-Myers Squibb
It is common for several organizations to collaborate by providing funding, facilities, experimental treatments, etc. Which organization is considered the sponsor is decided by the data provider.
A search in this area will check only the sponsor field. To also look for collaborators, use the Sponsor/Collaborators search box.
When the Exact Match checkbox is checked, the sponsor name in the study must exactly match the sponsor name in the search. For example, if unchecked, a search for Merck in the lead sponsor field will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
Examples:
National Cancer Institute
Mayo Clinic
Bristol-Myers Squibb
Sponsor/Collaborators
Use this box to specify institutes, organizations, or companies that are
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It is common for several organizations to collaborate by providing funding, facilities, experimental treatments, etc. Which organization is considered the sponsor is decided by the data provider.
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When the Exact Match checkbox is checked, the name in the study must exactly match the name in the search. For example, if unchecked, a search for Merck will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
Examples:
National Cancer Institute
Mayo Clinic
Bristol-Myers Squibb
It is common for several organizations to collaborate by providing funding, facilities, experimental treatments, etc. Which organization is considered the sponsor is decided by the data provider.
Searching this area will look in both the sponsor field and in the collaborators field. To only look in the sponsor field, use the Sponsor (Lead) search box.
When the Exact Match checkbox is checked, the name in the study must exactly match the name in the search. For example, if unchecked, a search for Merck will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
Examples:
National Cancer Institute
Mayo Clinic
Bristol-Myers Squibb
Outcome Measures
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Outcome measures are used to evaluate trial results. For example, an obesity treatment
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to quantify side effects, such as number of myocardial infarctions,
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weight loss
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Interventions
Use this box to specify drugs, devices, procedures, or vaccines used in a trial.
Examples:
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cyclosporine
vitamin e
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cyclosporine
vitamin e
Conditions
Use this box to specify the conditions being studied.
Examples:
lupus
heart attack
leukemia
risk factors for breast cancer
Conditions usually refer to a disease, disorder, syndrome, illness, or injury. In ClinicalTrials.gov,
conditions include any health issue worth studying, such as lifespan, quality of life, health risks, etc.
Use this box to specify the conditions being studied.
Examples:
lupus
heart attack
leukemia
risk factors for breast cancer
Study Type
There are three types of studies available in ClinicalTrials.gov:
There are three types of studies available in ClinicalTrials.gov:
Interventional:
Observational:
Expanded Access:
Studies where individuals are assigned to receive specific interventions.
Participants may receive diagnostic, therapeutic or other types of interventions.
Assignment of the intervention may or may not be random.
Individuals are tracked and biomedical and/or health outcomes are assessed.
Observational:
Studies without an intervention.
Studies where biomedical and/or health outcomes are assessed in a pre-defined group of individuals.
Participants may receive diagnostic, therapeutic, or other interventions, but the investigator
does not assign specific interventions to the participants of the study.
Expanded Access:
Records describing the procedure for obtaining an experimental drug or device for patients who
are failing on currently available treatments for their condition and also are unable to
participate in ongoing clinical trials. Expanded Access records are used to register all
types of non-protocol access to experimental treatments, including protocol exception,
single-patient IND, treatment IND, compassionate use, emergency use, continued access and parallel track.
Study Results
Searches can be restricted to studies with or without results.
The inclusion of study results is a relatively new feature of ClinicalTrials.gov. Collection of results began in September of 2008. Almost all older studies and some newer studies do not include results. As time goes on, there will be more results available.
The inclusion of study results is a relatively new feature of ClinicalTrials.gov. Collection of results began in September of 2008. Almost all older studies and some newer studies do not include results. As time goes on, there will be more results available.
Recruitment Status
Also known as Enrollment Status.
Not all clinical trials in this database are accepting new participants. If you are looking for studies that are currently recruiting participants, will be recruiting in the future, or are about drugs that are available for expanded access, select Open Studies in the recruitment menu.
If you are interested in all trials, whether they are recruiting new participants or not, leave the menu with All Studies selected.
Trials may not be recruiting because they are full, completed, or halted for various reasons. In addition, some trials have very restrictive eligibility requirements and must seek participants by invitation only. To see these studies, Select Closed Studies in the recruitment menu.
Full list of all possible recruitment status values:
Open recruitment status values:
Closed recruitment status values:
Values are color coded (as shown) in the search results.
Not all clinical trials in this database are accepting new participants. If you are looking for studies that are currently recruiting participants, will be recruiting in the future, or are about drugs that are available for expanded access, select Open Studies in the recruitment menu.
If you are interested in all trials, whether they are recruiting new participants or not, leave the menu with All Studies selected.
Trials may not be recruiting because they are full, completed, or halted for various reasons. In addition, some trials have very restrictive eligibility requirements and must seek participants by invitation only. To see these studies, Select Closed Studies in the recruitment menu.
Full list of all possible recruitment status values:
Open recruitment status values:
Recruiting,
Not yet recruiting, or
Available for expanded access.
Not yet recruiting, or
Available for expanded access.
Closed recruitment status values:
Active, not recruiting,
Completed,
Terminated,
Suspended,
Withdrawn,
Enrolling by invitation,
Temporarily not available for expanded access,
No longer available for expanded access,
Approved for marketing, or
Unknown.
Completed,
Terminated,
Suspended,
Withdrawn,
Enrolling by invitation,
Temporarily not available for expanded access,
No longer available for expanded access,
Approved for marketing, or
Unknown.
Search Terms
Use this box to specify general search terms found anywhere in the trial record.
Multiple terms can be separated by an AND (all uppercase).
Examples:
type ii diabetes
veterans affairs medical center
heart attacks in older adults
nhlbi AND heart disease
Cisplatin AND safety study
Multiple terms can be separated by an AND (all uppercase).
Examples:
type ii diabetes
veterans affairs medical center
heart attacks in older adults
nhlbi AND heart disease
Cisplatin AND safety study
Help for Searching clinical trials
Help Topics:
Basic Search:
On the Basic Search page, enter a word or word(s) that you want to use to find studies.
These may include diseases, interventions, and/or locations.
Medical terms are often several words long, such as Percutaneous Coronary Intervention. To only find studies where the words are together as a phrase, put the term in quotes (e.g., "Percutaneous Coronary Intervention"). If you search for a multi-word term without quotes, studies with all words together as a phrase will appear higher in the results list than studies where the words are separated and spread throughout the document. For example, a search for Heart Attack will list a study about,
A search for "Heart Attack" would not find the second study. Synonyms are known for some terms and are used where possible. For example, a search for Heart Attack will also find occurrences of Myocardial Infarction.
Medical terms are often several words long, such as Percutaneous Coronary Intervention. To only find studies where the words are together as a phrase, put the term in quotes (e.g., "Percutaneous Coronary Intervention"). If you search for a multi-word term without quotes, studies with all words together as a phrase will appear higher in the results list than studies where the words are separated and spread throughout the document. For example, a search for Heart Attack will list a study about,
Use of a Pacemaker Following a Heart Attack.
higher than the study,
Heart Defects and Transient Ischemic Attacks
A search for "Heart Attack" would not find the second study. Synonyms are known for some terms and are used where possible. For example, a search for Heart Attack will also find occurrences of Myocardial Infarction.
Advanced Search:
Many searches are a single term and can be performed with a few words in the
search box. But, sometimes you need more control. Click on the Advanced Search tab
(if starting a new search) or Refine Search tab (if modifying an existing search)
to show additional search fields.
The additional search fields can be used to limit your search results. Note that it is not necessary to fill in all the fields, only those that are needed for your search. If you are finding too few studies, consider clearing a field and searching again.
Search Terms:
Recruitment:
Interventions:
Outcomes Measures:
Sponsor/Collaborators:
Sponsor (Lead):
Study IDs:
Country/State:
Location Terms:
Gender:
Age Group:
Phase:
Funded By:
Safety Issue:
First Received:
Last Updated:
The additional search fields can be used to limit your search results. Note that it is not necessary to fill in all the fields, only those that are needed for your search. If you are finding too few studies, consider clearing a field and searching again.
Search Terms:
Performs a general search in all sections of the study record, including title,
description, conditions, interventions, locations, etc. Terms in this field are
searched the same as Basic Search.
Recruitment:
Limits search results to studies that are open or closed. New volunteers may be
able to participate in open studies, but not closed studies.
Open recruitment status values:
Closed recruitment status values:
Values are color coded (as shown) in the search results.
Study Results:Open recruitment status values:
Recruiting,
Not yet recruiting, or
Available for expanded access.
Not yet recruiting, or
Available for expanded access.
Closed recruitment status values:
Active, not recruiting,
Completed,
Terminated,
Suspended,
Withdrawn,
Enrolling by invitation,
Temporarily not available for expanded access,
No longer available for expanded access,
Approved for marketing, or
Unknown.
Completed,
Terminated,
Suspended,
Withdrawn,
Enrolling by invitation,
Temporarily not available for expanded access,
No longer available for expanded access,
Approved for marketing, or
Unknown.
Values are color coded (as shown) in the search results.
Limits search results based on whether the study has results or not:
Study Type:
All Studies,
Studies With Results, or
Studies Without Results
The inclusion of Study Results is a new feature of ClinicalTrials.gov.
Only a few studies have results available.Studies With Results, or
Studies Without Results
Limits search results to any of the following study types:
Conditions:
Interventional,
Observational, or
Expanded Access
Observational, or
Expanded Access
Performs a search on fields describing the diseases or conditions being studied.
Interventions:
Performs a search on fields listing the drugs or interventions being studied.
Outcomes Measures:
Performs a search on fields listing the outcome measures used to quantify study results.
Sponsor/Collaborators:
Performs a search on fields listing the sponsor and collaborators of a study.
When the Exact Match checkbox is checked, the sponsor/collaborator name in the study must exactly match the name in the search. For example, if unchecked, a search for Merck in the sponsor/collaborator field will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
When the Exact Match checkbox is checked, the sponsor/collaborator name in the study must exactly match the name in the search. For example, if unchecked, a search for Merck in the sponsor/collaborator field will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
Sponsor (Lead):
Performs a search on the sponsor field of a study.
It is common for several organizations to collaborate by providing funding, facilities, experimental treatments, etc. Which organization is considered the "sponsor" is decided by the data provider.
When the Exact Match checkbox is checked, the lead sponsor name in the study must exactly match the lead sponsor name in the search. For example, if unchecked, a search for Merck in the lead sponsor field will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
It is common for several organizations to collaborate by providing funding, facilities, experimental treatments, etc. Which organization is considered the "sponsor" is decided by the data provider.
When the Exact Match checkbox is checked, the lead sponsor name in the study must exactly match the lead sponsor name in the search. For example, if unchecked, a search for Merck in the lead sponsor field will find Merck, Merck KGaA, Dupont Merck, and Merck Sharp & Dohme. When checked, only Merck, with no other words in the name, will be found.
Study IDs:
Performs a search on fields listing ID numbers.
Country/State:
Trials are often conducted at many locations around the world.
Select up to three locations to find trials conducted in
specific countries. Some countries (currently limited to the
United States, Canada, and Australia), locations can be narrowed
further by selecting a state (e.g., United States, Alabama).
Location Terms:
Finds studies in specific locations such as a city (Los Angeles) or facility (Mayo Clinic).
Not all studies include this level of detail, but if they do, this will find them.
Gender:
Limits search results to those studies that accept female or male participants.
Age Group:
Limits search results to those studies that include at least one of the specified age
ranges. More than one age group can be selected.
Phase:
Limits search results to studies that are labeled with at least one of the specified
phases. More than one Phase can be selected.
Funded By:
Limits search results to studies that have at least one sponsor of the specified types.
More than one sponsor type can be selected.
Safety Issue:
Limits search results to studies that have at least one outcome measure designated as a safety issue.
First Received:
Limits search results to studies that were received by clinical trials within a
specified date range. The "From" or "To" field can be left blank.
Last Updated:
Limits search results to studies that were modified within a
specified date range. The "From" or "To" field can be left blank.
Refine Search:
Searches display a list of studies found (List Results tab). If you are not content with
the search results, click on the Refine Search tab at the top of the list to modify your
search.
Add terms to empty fields to search within your current result. You can also add terms to fields that contain terms. For best results, use an AND (all upper case) as a separator between terms in the same field.
For example:
When you are done making changes, click Search to display the new results.
Add terms to empty fields to search within your current result. You can also add terms to fields that contain terms. For best results, use an AND (all upper case) as a separator between terms in the same field.
For example:
heart attack
heart attack AND aspirin
heart attack AND aspirin AND older adults
heart attack AND aspirin AND older adults AND California
heart attack AND aspirin
heart attack AND aspirin AND older adults
heart attack AND aspirin AND older adults AND California
When you are done making changes, click Search to display the new results.
Search Expressions:
Use AND (all upper case) to find study records that contain all terms connected by AND.
For example:
Use OR (all upper case) to find study records that contain either term connected by OR.
For example:
Use NOT (all upper case) to find study records that do not contain the term following NOT.
For example:
Likewise, AND, OR, NOT, and parentheses can be used to create more complicated search expressions.
For example:
Note that the use of AND and OR as logical operators can be confusing.
An appropriate search for a list such as,
To search for AND as a word, instead of using it as an operator, put it in quotes.
Likewise, you can quote OR, NOT, and parentheses.
For example:
prostate cancer AND radiation
heart disease AND stroke AND California
heart disease AND stroke AND California
Use OR (all upper case) to find study records that contain either term connected by OR.
For example:
Aspirin OR ibuprofen
heart disease OR heart attack
heart disease OR heart attack
Use NOT (all upper case) to find study records that do not contain the term following NOT.
For example:
Immunodeficiency NOT AIDS
Likewise, AND, OR, NOT, and parentheses can be used to create more complicated search expressions.
For example:
prostate cancer AND NOT ( radiation OR homeopathic remedies )
( heart disease OR heart attack ) AND ( stroke OR clot )
( heart disease OR heart attack ) AND ( stroke OR clot )
Note that the use of AND and OR as logical operators can be confusing.
An appropriate search for a list such as,
Ear, Nose, and Throat Conditions
is the expression
( Ear OR Nose OR Throat ) AND Conditions
Fortunately, search will do a pretty good job of finding the right studies either way.To search for AND as a word, instead of using it as an operator, put it in quotes.
Likewise, you can quote OR, NOT, and parentheses.