Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Primary”

19,916 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 19,916 results

Not applicableNot Yet RecruitingNCT05705362
What this trial is testing

Simple Crossover Versus Side Branch Opening in Patients With Non-Left Main Bifurcation Lesion

Who this might be right for
Coronary Artery Disease
Keimyung University Dongsan Medical Center 1,000
Very early researchNot Yet RecruitingNCT06796946
What this trial is testing

Deprescription of Antidepressants in Primary Care (DAPriCare)

Who this might be right for
DeprescriptionAntidepressants
University of Huelva 325
Not applicableLooking for participantsNCT06623188
What this trial is testing

Treatment of Episodic Migraine With AURICular Neuromodulation

Who this might be right for
Migraine Disorders
Hôpital Européen Marseille 106
Not applicableUnknownNCT03639103
What this trial is testing

Clinical and Radiographic Outcomes of Distal Metatarsal Metaphyseal Osteotomy for Central Primary Metatarsalgia

Who this might be right for
Metatarsalgia Bilateral
University of Padova 200
Not applicableLooking for participantsNCT04151342
What this trial is testing

CAnadian CAncers With Rare Molecular Alterations (CARMA) - Basket Real-world Observational Study (BROS)

Who this might be right for
CancerMalignancies MultipleMalignant Solid Tumor+7 more
University Health Network, Toronto 5,500
Not applicableStudy completedNCT01604486
What this trial is testing

Natural Ischaemic Preconditioning Before First Myocardial Infarction

Who this might be right for
Myocardial InfarctionAngina PectorisCoronary Heart Disease+2 more
London School of Hygiene and Tropical Medicine 16,000
Not applicableActive Not RecruitingNCT07195370
What this trial is testing

Testing YAG Laser Iridotomy for Primary Angle-Closure Glaucoma

Who this might be right for
Glaucoma EyeAngle Closure Glaucoma
Isfahan University of Medical Sciences 150
Not applicableWithdrawnNCT04211454
What this trial is testing

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Migraine Headaches

Who this might be right for
Migraine
ProgenaBiome
Large-scale testing (Phase 3)Study completedNCT00195754
What this trial is testing

A Phase III Open-Label, Multi-Center, Long-Term Extension Study of Depakote ER in Subjects Who Either Completed or Prematurely Discontinued Due to Ineffectiveness From Study M02-488.

Who this might be right for
Migraines
Abbott 114
Not applicableStudy completedNCT00807131
What this trial is testing

Effectiveness of Pharmaceutical Care on Primary Care Patients With Uncontrolled Hypertension

Who this might be right for
Hypertension
Hospital de Clinicas de Porto Alegre 301
Not applicableEnded earlyNCT01622153
What this trial is testing

Electrical and Formocresol Pulpotomy in Primary Molars

Who this might be right for
Reversible PulpitisCaries
University Hospitals Cleveland Medical Center 120
Not applicableEnded earlyNCT06200480
What this trial is testing

Nurse Intervention Trial

Who this might be right for
MigraineChronic Tension-Type HeadacheCluster Headache+1 more
Norwegian University of Science and Technology 147
Not applicableStudy completedNCT02788396
What this trial is testing

The Impact of Post Stenting Balloon Dilatation on Coronary Microcirculation in STEMI Patients Undergoing PPCI

Who this might be right for
ST-elevation Myocardial Infarction (STEMI)
Mid and South Essex NHS Foundation Trust 30
Not applicableStudy completedNCT00433862
What this trial is testing

Molecular Changes and Biomarkers in Chronic Myeloproliferative Disorders

Who this might be right for
Polycythemia VeraEssential ThrombocytosisIdiopathic Myelofibrosis+2 more
National Institutes of Health Clinical Center (CC) 8
Post-approval studies (Phase 4)Study completedNCT01518946
What this trial is testing

Tilt-Table Study of the Clinical Efficacy of Midodrine in Symptomatic Orthostatic Hypotension

Who this might be right for
Orthostatic Hypotension
Shire 24
Large-scale testing (Phase 3)UnknownNCT01654146
What this trial is testing

ICON8: Weekly Chemotherapy in Ovarian Cancer

Who this might be right for
Ovarian Cancer
Medical Research Council 1,485
Not applicableStudy completedNCT02694003
What this trial is testing

Better Nights, Better Days for Children With Neurodevelopment Disorders

Who this might be right for
Nonorganic InsomniaNeurodevelopmental DisordersPrimary Insomnia
IWK Health Centre 218
Not applicableStudy completedNCT07236073
What this trial is testing

The Effect of Two Different Analgesic Methods on QoR-40 Score in Primary Unilateral Knee Arthroplasties

Who this might be right for
OsteoarthritisKnee Arthritis OsteoarthritisKnee Arthroplasty, Total
Ataturk University 60
Not applicableStudy completedNCT04678141
What this trial is testing

Clinical Evaluation of Compomer and Composite Class II Restorations in Primary Molars: 24 Months Results

Who this might be right for
Primary Teeth
Suleyman Demirel University 145
Not applicableUnknownNCT04800705
What this trial is testing

Levels of Selected Macroelements in Premature Ovarian Insufficiency

Who this might be right for
Premature Ovarian Failure
Cengiz Gokcek Women's and Children's Hospital 140
Next Page