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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: HU - Hydroxyurea Clear all
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 4, 2026, 10:45 PM EDT
Completed Phase 1 Interventional

Safety and Effectiveness of Combining Hydroxyurea (HU) With Didanosine (ddI) and Stavudine (d4T) for Treatment of HIV-Infected Adults

NCT00002427
View directory record Official record
Conditions
HIV Infections
Interventions
Hydroxyurea, Stavudine, Didanosine
Drug
Lead sponsor
Research Institute for Genetic and Human Therapy
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
18
States / cities
Los Angeles, California • San Francisco, California • Stamford, Connecticut + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Phase 1/2 Study of CPI-0610 With and Without Ruxolitinib in Patients With Hematologic and Myeloproliferative Malignancies

NCT02158858
View directory record Official record
Conditions
Myelofibrosis, Leukemia, Myelocytic, Acute, Myelodysplastic/Myeloproliferative Neoplasm, Myelodysplastic Syndrome (MDS), Preleukemia, Primary Myelofibrosis, Myeloproliferative Disorders, Bone Marrow Disease, Hematological Disease, Precancerous Conditions, Neoplasms, Leukemia, Neoplasms by Histologic Type, Essential Thrombocytosis
Interventions
Pelabresib, Ruxolitinib
Drug
Lead sponsor
Constellation Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 2 Interventional Results available

HSCT for High Risk Inherited Inborn Errors

NCT00383448
View directory record Official record
Conditions
Adrenoleukodystrophy, Metachromatic Leukodystrophy, Globoid Cell Leukodystrophy, Tay Sachs Disease, Sandhoffs Disease, Wolman Disease, I-Cell Disease, Sanfilippo Syndrome, GM1 Gangliosidosis
Interventions
Clofarabine, Total body Irradiation, Melphalan, Hematopoietic Stem Cell Transplantation, Alemtuzumab, mycophenylate mofetil, Cyclosporine A, Hydroxyurea
Drug · Procedure · Biological + 1 more
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 70 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Sep 4, 2026, 10:45 PM EDT
Completed No phase listed Observational

Ruxolitinib for Polycythemia Vera in Patients Resistant to or Intolerant of Hydroxyurea.

NCT05421104
View directory record Official record
Conditions
Polycythemia Vera (PV)
Interventions
Ruxolitinib
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 99 Years
Enrollment
1,576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 1 Interventional

Paclitaxel Albumin-Stabilized Nanoparticle Formulation and Carboplatin Followed By Chemoradiation in Treating Patients With Recurrent Head and Neck Cancer

NCT01847326
View directory record Official record
Conditions
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, Salivary Gland Squamous Cell Carcinoma, Tongue Cancer
Interventions
carboplatin, paclitaxel albumin-stabilized nanoparticle formulation, fluorouracil, hydroxyurea, therapeutic conventional surgery, radiation therapy, hyperfractionated radiation therapy, laboratory biomarker analysis
Drug · Procedure · Radiation + 1 more
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 1 Interventional

A Single Dose Study of the Safety, Blood Levels and Biological Effects of Aes-103 Compared to Placebo in Subjects With Stable Sickle Cell Disease

NCT01597401
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Aes-103, Placebo
Drug
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 1 Interventional

Pharmacokinetics (PK) of Liquid Hydroxyurea in Pediatric Patients With Sickle Cell Anemia

NCT01506544
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Hydroxyurea
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
6
States / cities
Birmingham, Alabama • Chicago, Illinois • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Not applicable Interventional Results available

Shared-Decision Making for Hydroxyurea

NCT03442114
View directory record Official record
Conditions
Sickle Cell Anemia, Children, Only
Interventions
Hydroxyurea SDM Toolkit, Clinician Pocket Guide
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Month to 5 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
11
States / cities
Oakland, California • Wilmington, Delaware • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 4, 2026, 10:45 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Nonmyeloablative Haploidentical Peripheral Blood Mobilized Hematopoietic Precursor Cell Transplantation for Sickle Cell Disease

NCT03077542
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
haploidentical stem cell transplant, Sirolimus, Alemtuzumab, Pentostatin, Cyclophosphamide, Hydroxyurea, Filgrastim
Procedure · Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 100 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Not applicable Interventional

Enhancing Use of Hydroxyurea In Sickle Cell Disease Using Patient Navigators

NCT02197845
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Patient Navigator, Recruitment into Specialty Care
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
15 Years and older
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 1 Interventional

Use of Hydroxyurea and Magnesium Pidolate for Treatment of Sickle Cell Disease

NCT00143572
View directory record Official record
Conditions
Anemia, Sickle Cell
Interventions
Magnesium Pidolate, Hydroxyurea
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
3 Years to 15 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 2 Interventional

A Study to Compare the Effectiveness of Different Anti-HIV Drug Regimens in Keeping Levels of HIV in the Blood as Low as Possible

NCT00000939
View directory record Official record
Conditions
HIV Infections
Interventions
Hydroxyurea, Efavirenz, Stavudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
19
States / cities
Menlo Park, California • San Jose, California • Stanford, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 3 Interventional Results available

Randomized Switch Study From Hydroxyurea to Ruxolitinib for RELIEF of Polycythemia Vera Symptoms: The Relief Study

NCT01632904
View directory record Official record
Conditions
Polycythemia Vera
Interventions
Ruxolitinib, Hydroxyurea (HU), HU-placebo, Ruxolitinib-placebo
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
51
States / cities
Scottsdale, Arizona • Fayetteville, Arkansas • Burbank, California + 48 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 2 Interventional Results available

Nab-paclitaxel and Carboplatin Followed by Response-Based Local Therapy in Treating Patients With Stage III or IV HPV-Related Oropharyngeal Cancer

NCT02258659
View directory record Official record
Conditions
Human Papilloma Virus Infection, Stage III Squamous Cell Carcinoma of the Oropharynx, Stage IVA Squamous Cell Carcinoma of the Oropharynx, Stage IVB Squamous Cell Carcinoma of the Oropharynx
Interventions
paclitaxel albumin-stabilized nanoparticle formulation, carboplatin, radiation therapy, paclitaxel, fluorouracil, hydroxyurea, cisplatin, laboratory biomarker analysis, quality-of-life assessment
Drug · Radiation · Other + 1 more
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 2 Interventional Results available

Hydroxyurea Management in Kids: Intensive Versus Stable Dosage Strategies

NCT03020615
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Hydroxyurea
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
9 Months to 36 Months
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
4
States / cities
Atlanta, Georgia • Jackson, Mississippi • Memphis, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Sep 4, 2026, 10:45 PM EDT
Terminated Phase 2 Interventional Results available

Hydroxyurea Therapy: Optimizing Access in Pediatric Populations Everywhere

NCT03825341
View directory record Official record
Conditions
Sickle Cell Disease, Thalassemia
Interventions
Hydroxyurea, Hydroxyurea Oral Capsule
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
9 Months to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 4, 2026, 10:45 PM EDT
Completed No phase listed Observational

Prospective Observational Study Of Patients With Polycythemia Vera In US Clinical Practices (REVEAL)

NCT02252159
View directory record Official record
Conditions
MPN (Myeloproliferative Neoplasms)
Interventions
Not listed
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
264
States / cities
Green Valley, Arizona • Safford, Arizona • Scottsdale, Arizona + 261 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 2 Interventional Results available

Study Exploring the Effect of Crizanlizumab on Kidney Function in Patients With Chronic Kidney Disease Caused by Sickle Cell Disease

NCT04053764
View directory record Official record
Conditions
Sickle Cell Disease (SCD)
Interventions
Crizanlizuamb, Standard of Care
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
6
States / cities
Birmingham, Alabama • Chicago, Illinois • Baton Rouge, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 4, 2026, 10:45 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Assessment of Algorithm-Based Hydroxyurea Dosing on Fetal Hemoglobin Response, Acute Complications, and Organ Function in People With Sickle Cell Disease

NCT02225132
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Hydroxyurea
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
15 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Sep 4, 2026, 10:45 PM EDT
Recruiting Phase 3 Interventional

Study on Efficacy and Safety of Givinostat Versus Hydroxyurea in Patients With Polycythemia Vera

NCT06093672
View directory record Official record
Conditions
Polycythemia Vera
Interventions
Givinostat, Hydroxyurea
Drug
Lead sponsor
Italfarmaco
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
14
States / cities
Birmingham, Alabama • Redlands, California • Englewood, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 4, 2026, 10:45 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 4, 2026, 10:45 PM EDT
Recruiting Phase 1Phase 2 Interventional

T-Cell Depleted Alternative Donor Bone Marrow Transplant for Sickle Cell Disease (SCD) and Other Anemias

NCT03653338
View directory record Official record
Conditions
Sickle Cell Anemia, Beta-thalassemia Major, Diamond-blackfan Anemia
Interventions
CD3/CD19 depleted leukocytes, CD45RA depleted leukocytes, Hydroxyurea, Rituximab, Alemtuzumab, Fludarabine, Thiotepa
Biological · Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
5 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 4, 2026, 10:45 PM EDT
Terminated Phase 2 Interventional Results available

Hydroxyurea and Magnesium Pidolate to Treat People With Hemoglobin Sickle Cell Disease

NCT00532883
View directory record Official record
Conditions
Hemoglobin SC Disease
Interventions
Hydroxyurea, Magnesium Pidolate, Placebo Pills and Placebo Liquid
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
19
States / cities
Birmingham, Alabama • Oakland, California • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Sep 4, 2026, 10:45 PM EDT