Stroke Prevention in Sickle Cell Anemia (STOP 2)
2 other identifiers
interventional
N/A
0 countries
N/A
Brief Summary
To determine how long blood transfusions are needed for primary stroke prevention. Also, to determine the duration of risk associated with abnormal transcranial Doppler ultrasound (TCD) and to determine the specificity of the stroke risk model developed in STOP 1 in patients with abnormal TCD measurements.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Jul 2000
Longer than P75 for phase_3
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2000
CompletedFirst Submitted
Initial submission to the registry
August 21, 2000
CompletedFirst Posted
Study publicly available on registry
August 22, 2000
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2006
CompletedFebruary 18, 2016
October 1, 2005
August 21, 2000
February 17, 2016
Conditions
Interventions
Eligibility Criteria
Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.
Sponsors & Collaborators
Related Publications (5)
Vichinsky EP, Luban NL, Wright E, Olivieri N, Driscoll C, Pegelow CH, Adams RJ; Stroke Prevention Trail in Sickle Cell Anemia. Prospective RBC phenotype matching in a stroke-prevention trial in sickle cell anemia: a multicenter transfusion trial. Transfusion. 2001 Sep;41(9):1086-92. doi: 10.1046/j.1537-2995.2001.41091086.x.
PMID: 11552063BACKGROUNDKral MC, Brown RT. Transcranial Doppler ultrasonography and executive dysfunction in children with sickle cell disease. J Pediatr Psychol. 2004 Apr-May;29(3):185-95. doi: 10.1093/jpepsy/jsh020.
PMID: 15131136BACKGROUNDWang WC, Morales KH, Scher CD, Styles L, Olivieri N, Adams R, Brambilla D; STOP Investigators. Effect of long-term transfusion on growth in children with sickle cell anemia: results of the STOP trial. J Pediatr. 2005 Aug;147(2):244-7. doi: 10.1016/j.jpeds.2005.02.030.
PMID: 16126058BACKGROUNDAdams RJ, Brambilla D; Optimizing Primary Stroke Prevention in Sickle Cell Anemia (STOP 2) Trial Investigators. Discontinuing prophylactic transfusions used to prevent stroke in sickle cell disease. N Engl J Med. 2005 Dec 29;353(26):2769-78. doi: 10.1056/NEJMoa050460.
PMID: 16382063RESULTAdamkiewicz TV, Abboud MR, Paley C, Olivieri N, Kirby-Allen M, Vichinsky E, Casella JF, Alvarez OA, Barredo JC, Lee MT, Iyer RV, Kutlar A, McKie KM, McKie V, Odo N, Gee B, Kwiatkowski JL, Woods GM, Coates T, Wang W, Adams RJ. Serum ferritin level changes in children with sickle cell disease on chronic blood transfusion are nonlinear and are associated with iron load and liver injury. Blood. 2009 Nov 19;114(21):4632-8. doi: 10.1182/blood-2009-02-203323. Epub 2009 Aug 31.
PMID: 19721013DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
Robert Adams
Augusta University
Donald Brambilla
New England Research Institutes, Inc.
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Purpose
- PREVENTION
- Sponsor Type
- NIH
Study Record Dates
First Submitted
August 21, 2000
First Posted
August 22, 2000
Study Start
July 1, 2000
Study Completion
February 1, 2006
Last Updated
February 18, 2016
Record last verified: 2005-10