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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Hydroxyurea Clear all
Completed Phase 3 Interventional Results available

Study of Efficacy and Safety in Polycythemia Vera Subjects Who Are Resistant to or Intolerant of Hydroxyurea: JAK Inhibitor INC424 (INCB018424) Tablets Versus Best Available Care: (The RESPONSE Trial)

NCT01243944
View directory record Official record
Conditions
Polycythemia Vera
Interventions
ruxolitinib tablets, Best Available Therapy (BAT)
Drug · Other
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
28
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Pomona, California + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Sep 1, 2026, 5:42 PM EDT
Terminated Phase 2 Interventional Results available

Luspatercept With or Without Hydroxyurea for the Treatment of Myelodysplastic/Myeloproliferative Neoplasms With Ring Sideroblasts and Thrombocytosis or Unclassifiable With Ring Sideroblasts

NCT05005182
View directory record Official record
Conditions
Myelodysplastic/Myeloproliferative Neoplasm With Ring Sideroblasts and Thrombocytosis, Not Otherwise Specified, Myelodysplastic/Myeloproliferative Neoplasm, Not Otherwise Specified
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Hydroxyurea, Luspatercept, Questionnaire Administration
Procedure · Drug · Biological + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 1, 2026, 5:42 PM EDT
Terminated No phase listed Observational

A Low-Interventional Study of an Electronic Sickle Cell Disease Patient Reported Outcomes in Sickle Cell Participants

NCT06503458
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia
Interventions
Not listed
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
18 Years to 100 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional Results available

De-Escalation Therapy for Human Papillomavirus Negative Disease

NCT03944915
View directory record Official record
Conditions
Human Papilloma Virus, Squamous Cell Carcinoma, Squamous Cell Carcinoma of the Head and Neck, HPV-Related Squamous Cell Carcinoma, HNSCC
Interventions
Carboplatin, Paclitaxel, Nivolumab, Radiation, Hydroxyurea Pill, 5-fluorouracil, Filgrastim Injection, Cisplatin
Drug · Radiation
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 10, 2025 · Synced Sep 1, 2026, 5:42 PM EDT
Recruiting Phase 3 Interventional

A Study to Investigate the Efficacy and Safety of Crizanlizumab (5 mg/kg) Compared With Placebo in Adolescent and Adult Sickle Cell Disease Patients Who Experience Frequent Vaso-Occlusive Crises (SPARKLE)

NCT06439082
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Crizanlizumab, Placebo
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years to 100 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
16
States / cities
Birmingham, Alabama • Orange, California • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Not applicable Interventional

A Pilot Open Label Trial of HIV Therapy With d4T (Stavudine), ddI (Didanosine), Nelfinavir and Hydroxyurea in Subjects With Early Asymptomatic HIV Infection

NCT00002176
View directory record Official record
Conditions
HIV Infections
Interventions
Hydroxyurea, Nelfinavir mesylate, Stavudine, Didanosine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2000
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Not applicable Interventional

A Study to Evaluate Various Combinations of Anti-HIV Medications to Treat Early HIV Infection

NCT00000919
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Lamivudine/Zidovudine, Ritonavir, Hydroxyurea, Abacavir sulfate, Amprenavir, Nelfinavir mesylate, Efavirenz, Lamivudine, Stavudine, Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
63
States / cities
Birmingham, Alabama • Los Angeles, California • Menlo Park, California + 37 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2012 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional

A Study of the Efficacy and Safety of ICA-17043 (With or Without Hydroxyurea) in Patients With Sickle Cell Anemia.

NCT00040677
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia
Interventions
Low Dose ICA-17043, High dose ICA-17043, Placebo
Drug
Lead sponsor
Icagen
Industry
Eligibility
18 Years to 60 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
19
States / cities
Birmingham, Alabama • Oakland, California • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2011 · Synced Sep 1, 2026, 5:42 PM EDT
Active, not recruiting Phase 2 Interventional

Stroke Prevention With Hydroxyurea Enabled Through Research and Education (SPHERE)

NCT03948867
View directory record Official record
Conditions
Sickle Cell Anemia in Children
Interventions
Hydroxyurea, Elevated Arm TCD Examination, Normal Arm TCD Examination
Drug · Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years to 16 Years
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 1, 2026, 5:42 PM EDT
Recruiting Phase 1 Interventional

Dosing Study of Radiation Combined With Tislelizumab and Pamiparib in Patients With Previously Treated Head and Neck Cancer

NCT05526924
View directory record Official record
Conditions
Head and Neck Cancer, Head and Neck Squamous Cell Carcinoma, Head and Neck Carcinoma, Head and Neck Cancer Stage IV, Head and Neck Cancers - Throat
Interventions
Chemoradiation, Pamiparib, Hydroxyurea, Fluorouracil (5FU), Tislelizumab
Radiation · Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 1 Interventional

Bevacizumab, Fluorouracil, and Hydroxyurea Plus Radiation Therapy in Treating Patients With Advanced Head and Neck Cancer

NCT00023959
View directory record Official record
Conditions
Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma, Recurrent Adenoid Cystic Carcinoma of the Oral Cavity, Recurrent Basal Cell Carcinoma of the Lip, Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Recurrent Lymphoepithelioma of the Nasopharynx, Recurrent Lymphoepithelioma of the Oropharynx, Recurrent Metastatic Squamous Neck Cancer With Occult Primary, Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Recurrent Mucoepidermoid Carcinoma of the Oral Cavity, Recurrent Salivary Gland Cancer, Recurrent Squamous Cell Carcinoma of the Hypopharynx, Recurrent Squamous Cell Carcinoma of the Larynx, Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity, Recurrent Squamous Cell Carcinoma of the Nasopharynx, Recurrent Squamous Cell Carcinoma of the Oropharynx, Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Recurrent Verrucous Carcinoma of the Larynx, Recurrent Verrucous Carcinoma of the Oral Cavity, Stage III Adenoid Cystic Carcinoma of the Oral Cavity, Stage III Basal Cell Carcinoma of the Lip, Stage III Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage III Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage III Lymphoepithelioma of the Nasopharynx, Stage III Lymphoepithelioma of the Oropharynx, Stage III Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage III Mucoepidermoid Carcinoma of the Oral Cavity, Stage III Salivary Gland Cancer, Stage III Squamous Cell Carcinoma of the Hypopharynx, Stage III Squamous Cell Carcinoma of the Larynx, Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage III Squamous Cell Carcinoma of the Nasopharynx, Stage III Squamous Cell Carcinoma of the Oropharynx, Stage III Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage III Verrucous Carcinoma of the Larynx, Stage III Verrucous Carcinoma of the Oral Cavity, Stage IV Adenoid Cystic Carcinoma of the Oral Cavity, Stage IV Basal Cell Carcinoma of the Lip, Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage IV Lymphoepithelioma of the Nasopharynx, Stage IV Lymphoepithelioma of the Oropharynx, Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage IV Mucoepidermoid Carcinoma of the Oral Cavity, Stage IV Salivary Gland Cancer, Stage IV Squamous Cell Carcinoma of the Hypopharynx, Stage IV Squamous Cell Carcinoma of the Larynx, Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IV Squamous Cell Carcinoma of the Nasopharynx, Stage IV Squamous Cell Carcinoma of the Oropharynx, Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage IV Verrucous Carcinoma of the Larynx, Stage IV Verrucous Carcinoma of the Oral Cavity, Untreated Metastatic Squamous Neck Cancer With Occult Primary
Interventions
hydroxyurea, fluorouracil, bevacizumab, radiation therapy, filgrastim, laboratory biomarker analysis
Drug · Biological · Radiation + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional

A Multicenter Study of Intensive Concomitant Chemoradiotherapy With Filgrastim (GCSF) for Patients With Locoregionally Advanced Head and Neck Cancer

NCT01693718
View directory record Official record
Conditions
Head and Neck
Interventions
Hydroxyurea, 5- Fluorouracil, Cisplatin
Drug
Lead sponsor
University of Chicago
Other
Eligibility
59 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 28, 2024 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 1 Interventional

Combination Drug Treatment of Pediatric HIV Infection

NCT00001818
View directory record Official record
Conditions
HIV Infection
Interventions
Hydroxyurea
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional Results available

Trial of Induction Chemotherapy With Carboplatin and Paclitaxel, Followed by Concurrent Chemotherapy/Radiation Therapy With ZD1839 (IRESSA), 5-FU, Hydroxyurea, and Twice-Daily Radiation, Followed by Adjuvant ZD1839 Monotherapy in Patients With Locally Advanced Head & Neck Cancer

NCT01185171
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
ZD 1839 500mg
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional Results available

Chemotherapy and Locoregional Therapy Trial (Surgery or Radiation) for Patients With Head and Neck Cancer

NCT03107182
View directory record Official record
Conditions
HPV-Related Squamous Cell Carcinoma, HNSCC
Interventions
nab-paclitaxel, Carboplatin, Nivolumab, Cisplatin, Hydroxyurea, 5-FU, Dexamethasone, Famotidine, Diphenhydramine, Paclitaxel, Transoral robotic surgery (TORS), Adjuvant RT, Chemoradiotherapy
Drug · Procedure · Radiation
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 5, 2025 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Not applicable Interventional

An mHealth Strategy to Improve Medication Adherence in Adolescents With Sickle Cell Disease

NCT04688411
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Beta Zero Thalassemia, Sickle B+ Thalassemia, Sickle Cell Hemoglobin C
Interventions
MED-Go App
Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
12 Years to 21 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 1, 2026, 5:42 PM EDT
Active, not recruiting Not applicable Interventional

Therapeutic Response Evaluation and Adherence Trial (TREAT)

NCT02286154
View directory record Official record
Conditions
Anemia, Sickle Cell
Interventions
Hydroxyurea
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Months to 21 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pilot Therapeutic Trial Using Hydroxyurea in Type II and Type III Spinal Muscular Atrophy Patients

NCT00568802
View directory record Official record
Conditions
Muscular Atrophy, Spinal
Interventions
Hydroxyurea, Placebo to match hydroxyurea
Drug
Lead sponsor
Stanford University
Other
Eligibility
1 Year to 10 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 1 Interventional

Ph I Zactima + Imatinib Mesylate & Hydroxyurea for Pts w Recurrent Malignant Glioma

NCT00613054
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma
Interventions
Zactima, Gleevec, Hydroxyurea
Drug
Lead sponsor
Annick Desjardins
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2012 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional

Research Study Investigating How Well NDec Works in People With Sickle Cell Disease

NCT05405114
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
NDec - oral decitabine-tetrahydrouridine, HU - Hydroxyurea, Placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
53
States / cities
Mobile, Alabama • Los Angeles, California • Oakland, California + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Not applicable Interventional

Hydroxyurea Adherence for Personal Best in Sickle Cell Treatment: HABIT

NCT02029742
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Community Health Worker (CHW), Education
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2024 · Synced Sep 1, 2026, 5:42 PM EDT
Completed No phase listed Observational Results available

A Study to Learn About Sickle Cell Disease In Adult Patients

NCT05407805
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Electronic Diary
Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Hollywood, Florida • Upper Marlboro, Maryland • Waltham, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 1, 2026, 5:42 PM EDT
Completed Phase 2 Interventional

Hydroxyurea for the Treatment of Patients With Sickle Cell Anemia

NCT00001197
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Hydroxyurea
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1984 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 1, 2026, 5:42 PM EDT
Terminated Phase 2 Interventional Results available

Chemotherapy for Relapsed Epstein Barr Virus Associated Lymphoma

NCT01964755
View directory record Official record
Conditions
Epstein Barr Virus Associated Non Hodgkin's Lymphoma, Epstein Barr Virus Associated Hodgkin's Lymphoma, Post-Transplant Lymphoproliferative Disease
Interventions
Doxorubicin, Methotrexate, Leucovorin, Hydroxyurea, Zidovudine, Rituximab
Drug · Biological
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
2
States / cities
Miami, Florida • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Sep 1, 2026, 5:42 PM EDT