Hydroxyurea Adherence for Personal Best in Sickle Cell Disease (HABIT): Efficacy Trial

2018-03-19 01:14:22 | BioPortfolio


Many youth with chronic disease have difficulty taking medication every day and therefore do not receive full benefit from treatment. Sickle Cell Disease (SCD) is an inherited blood disease that affects African Americans and other underserved communities. Hydroxyurea (HU) is the sole FDA-approved drug therapy for SCD and is highly effective and improves quality of life. The proposed study, a 5-site four-year randomized control trial (RCT), builds upon the investigators' recent feasibility study of the same title. Overall goals are reducing barriers to HU use and improving adherence for youth 10-18 years through creation of a daily medication habit. The goal of the proposed multi-site study is to test the efficacy of the HABIT intervention at 6 months and sustainability of the effect at 12 months.


Barriers to medication adherence are common in youth with chronic illness and are a source of racial/ethnic disparities in underserved communities. An inherited blood disease, Sickle Cell Disease (SCD) is characterized by chronic and acute illness and reduced quality of life (QOL). It affects African Americans and other underserved communities. Hydroxyurea (HU) is the sole FDA-approved drug therapy for SCD and is highly effective and improves QOL. Poor adherence is common among youth and young adults with SCD.

The importance of poor medication adherence, use of community-based health workers (CHWs) to bridge the gap between health services and underserved parent-youth dyads affected by SCD, the strength of the science, the success of the investigators' multi-ethnic feasibility study, and the potential application of study findings to youth with other serious chronic illnesses speak to the importance of this trial.

Study Design


Sickle Cell Disease


HABIT Intervention


Albert Einstein College of Medicine
New York
United States


Not yet recruiting


Columbia University

Results (where available)

View Results


Published on BioPortfolio: 2018-03-19T01:14:22-0400

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One of the sickle cell disorders characterized by the presence of both hemoglobin S and hemoglobin C. It is similar to, but less severe than sickle cell anemia.

An abnormal hemoglobin resulting from the substitution of valine for glutamic acid at position 6 of the beta chain of the globin moiety. The heterozygous state results in sickle cell trait, the homozygous in sickle cell anemia.

An acute purulent infection of the meninges and subarachnoid space caused by Streptococcus pneumoniae, most prevalent in children and adults over the age of 60. This illness may be associated with OTITIS MEDIA; MASTOIDITIS; SINUSITIS; RESPIRATORY TRACT INFECTIONS; sickle cell disease (ANEMIA, SICKLE CELL); skull fractures; and other disorders. Clinical manifestations include FEVER; HEADACHE; neck stiffness; and somnolence followed by SEIZURES; focal neurologic deficits (notably DEAFNESS); and COMA. (From Miller et al., Merritt's Textbook of Neurology, 9th ed, p111)

A disease characterized by chronic hemolytic anemia, episodic painful crises, and pathologic involvement of many organs. It is the clinical expression of homozygosity for hemoglobin S.

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