2014
Magnetic resonance imaging/angiography and transcranial Doppler velocities in sickle cell anemia: results from the SWiTCH trial
Helton KJ, Adams R, Kesler K, Lockhart A, Aygun B, Driscoll C, Heeney M, Jackson S, Krishnamurti L, Miller S, Sarnaik S, Schultz W, Ware R, Investigators F. Magnetic resonance imaging/angiography and transcranial Doppler velocities in sickle cell anemia: results from the SWiTCH trial. Blood 2014, 124: 891-898. PMID: 24914136, PMCID: PMC4126329, DOI: 10.1182/blood-2013-12-545186.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnemia, Sickle CellBlood Flow VelocityBlood TransfusionBrainCerebrovascular CirculationChildChild, PreschoolFemaleFunctional NeuroimagingHumansHydroxyureaMagnetic Resonance AngiographyMagnetic Resonance ImagingMalePrognosisSecondary PreventionStrokeUltrasonography, Doppler, TranscranialYoung AdultConceptsMagnetic resonance imaging/magnetic resonance angiographyVessel stenosisWorse stenosisMagnetic resonance imaging/Central blinded reviewNew silent infarctTranscranial Doppler examsTransient ischemic attackFuture clinical trialsTranscranial Doppler velocitiesMagnetic resonance angiographySickle cell anemiaHydroxyurea trialIschemic attackRecurrent strokeSilent infarctsCerebrovascular injuryParenchymal injuryChronic transfusionTCD velocitiesSevere baselineDoppler examVascular abnormalitiesClinical trialsIron overload
2011
Clinical trial implementation and recruitment: Lessons learned from the early closure of a randomized clinical trial
Peters-Lawrence M, Bell M, Hsu L, Osunkwo I, Seaman P, Blackwood M, Guillaume E, Bellevue R, Krishnamurti L, Smith W, Dampier C, Minniti C, Network F. Clinical trial implementation and recruitment: Lessons learned from the early closure of a randomized clinical trial. Contemporary Clinical Trials 2011, 33: 291-297. PMID: 22155024, PMCID: PMC3577351, DOI: 10.1016/j.cct.2011.11.018.Peer-Reviewed Original ResearchConceptsNew England Research InstituteClinical trialsRandomized clinical trialsFuture clinical trialsClinical trial implementationComplex dosing schedulesClinical Research NetworkPatient Controlled AnalgesiaProtocol acceptanceSCD clinicPain controlPain crisisAcute painDosing schedulesAcute interventionOutside physiciansUrgent careEligibility criteriaEnrollment periodPatient encountersEarly closurePainRecruitment barriersTrialsStaff availability
2010
Chronic Pain Is An Independent Predictor of Lower 6 Minute Walk Distance In Patients with Sickle Cell Disease: Results From Walk-PHaSST Study
Krishnamurti L, Goel R, Castro O, Barst R, Rosenzweig E, Sachdev V, Machado R, Gibbs S, Little J, Schraufnagel D, Girgis R, Morris C, Badesch D, Lanzkron S, Goldsmith J, Gordeuk V, Kato G, Gladwin M, Hassell K. Chronic Pain Is An Independent Predictor of Lower 6 Minute Walk Distance In Patients with Sickle Cell Disease: Results From Walk-PHaSST Study. Blood 2010, 116: 2658. DOI: 10.1182/blood.v116.21.2658.2658.Peer-Reviewed Original ResearchTricuspid regurgitant velocityAcute pain crisisSickle cell diseasePain crisisChronic painExercise capacityIndependent predictorsClinical trialsCell diseaseAcute sickle cell pain crisisSickle cell pain crisisMultivariable logistic regression analysisSickle cellsAcute pain ratingsHypertension clinical trialsTrials of sildenafilDouble-blind placeboEmergency department visitsGroup of patientsMinute walk distanceWeeks of treatmentNon-drug therapyFuture clinical trialsSignificant lower odds ratioLogistic regression analysis