team-based care to improve blood pressure control: the caption trial
DESCRIPTION
Team-based Care to Improve Blood Pressure Control: The CAPTION Trial. Barry L. Carter, Pharm.D., FCCP, FAHA, FASH, FAPHA The Patrick E. Keefe Professor in Pharmacy Department of Pharmacy Practice and Science College of Pharmacy and Professor Department of Family Medicine - PowerPoint PPT PresentationTRANSCRIPT
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Team-based Care to Improve Blood Team-based Care to Improve Blood Pressure Control: The CAPTION TrialPressure Control: The CAPTION TrialTeam-based Care to Improve Blood Team-based Care to Improve Blood Pressure Control: The CAPTION TrialPressure Control: The CAPTION Trial
Barry L. Carter, Pharm.D., FCCP, FAHA, FASH, FAPHAThe Patrick E. Keefe Professor in Pharmacy
Department of Pharmacy Practice and ScienceCollege of Pharmacy and
ProfessorDepartment of Family Medicine
Roy J. and Lucille A. Carver College of MedicineUniversity of Iowa
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See Agenda
ObjectivesObjectives
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O r i g i n a l P a p e r
A Cluster Randomized Trial to Evaluate Physician/Pharmacist Collaboration toImprove Blood Pressure Control
Barry L. Carter, PharmD; George R. Bergus, MD; Jeffrey D. Dawson, ScD; Karen B. Farris, PhD; William R. Doucette, PhD;
Elizabeth A. Chrischilles, PhD; Arthur J. Hartz, MD, PhD
Funded by NHLBI: RO1 HL69801Funded by NHLBI: RO1 HL69801
Journal of Clinical Hypertension 2008;10:260-Journal of Clinical Hypertension 2008;10:260-271271
Cluster, Randomized Efficacy Trial
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Collaborative Management of Collaborative Management of Hypertension StudyHypertension Study: Efficacy : Efficacy
TrialTrial• Only faculty / private physicians involved in the study.• Patients 21-85 years with diagnosis of hypertension.• Baseline BP: 145-179 SBP or 95-109 DBP for
uncomplicated.• 135-179 SBP or 85-109 DBP for diabetes.
• Clinic BP at 0, 2, 4, 6, 8, 9 months• 24-hour BP at baseline and 9 months
Journal of Clinical Hypertension Journal of Clinical Hypertension 2008;10:260-2712008;10:260-271
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Physician/PharmacistPhysician/PharmacistCollaborative ManagementCollaborative Management
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InterventionIntervention
• Pharmacist conducted interview and assessed patient for strategies to improve BP control.
• Pharmacist made recommendations to MD and patient to improve BP control.
• Pharmacists and physicians worked to overcome/prevent sub-optimal treatment, clinical inertia, poor adherence, adverse reactions, drug interactions
• Pharmacists saw patients at least every 2 months x 9 months.
NHLBI: RO1 HL69801
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Data AnalysisData Analysis
• Continuous variables – likelihood-based mixed models with random patient effects fit to SAS Proc Mixed in an intention-to-treat analysis.
• Models adjusted for baseline BP, age, gender, race, education, insurance status, household income, marital status, smoking status, alcohol intake, BMI, number of co-existing conditions, baseline medication adherence and total number of visits during the study.
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Baseline Demographics
Control (n=78) Intervention (n=101)
Age 61.0 + 11.3 59.6 + 13.7*
BP meds 1.4 + 1.0 1.5 + 1.0
Baseline med adherence
88.6% 71.1%*
# co-existing DX 0.46 + 0.78 0.47 + 0.81
Diabetes 24.4% 24.8%
BMI (kg/m2) 31.8 (+14.7) 32.3 (+7.7)
* - p < 0.001* - p < 0.001
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Results
* p<0.05, ** p<0.01, *** * p<0.05, ** p<0.01, *** p<0.001, p<0.001,
******
******
** ****
****
Carter BL, Bergus GR, Dawson et al. Journal of Clinical Hypertension 2008;10:260-271.Carter BL, Bergus GR, Dawson et al. Journal of Clinical Hypertension 2008;10:260-271.Carter BL, Doucette WR. Franciscus CL, et al. Pharmacotherapy 2010;30:228-235.Carter BL, Doucette WR. Franciscus CL, et al. Pharmacotherapy 2010;30:228-235.
Sustainability
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Results: BP Control RatesResults: BP Control Rates
Control Interven-tion
Adjusted OR
CI; p value
All patients
52.9% 89.1% 8.9 3.8-20.7P<0.00
1
Diabetes
23.5% 81.8% 40.1 4.1-394.7
P=0.002
- Carter BL, Bergus GR, Dawson et al. Journal of - Carter BL, Bergus GR, Dawson et al. Journal of Clinical Hypertension 2008;10:260-271.Clinical Hypertension 2008;10:260-271.
- Von Muenster SJ, et al. Pharmacy World & - Von Muenster SJ, et al. Pharmacy World & Science 2008:30:128-135.Science 2008:30:128-135.
Main Finding: The major reason for the high control was due to intensification of medications.
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Physicians accepted 95.8% of 267 pharmacist recommendations
Recommendation Frequency by Visit
0
MoOpt
2 Mo
4 Mo
6 Mo
8 Mo
9 Mo
Added Thiazide n=45 40 2 3 0 0 0 NA
Added Other Drug n=79
30 13 18 9 6 3 NA
Increased Dose n=89 28 21 14 9 9 8 NA
Changed Dose Frequency n=7
2 0 1 3 1 0 NA
Switch Within Class n=15 6 3 1 3 2 0 NA
Decreased Dose n=14 3 3 3 2 3 0 NA
Drug Discontinued n=18 2 4 8 3 1 0 NA
Total n=267
111 46 48 29 22 11 NA
BP Control Rate n=101 0 - 52% 67% 73% 84% 89%• Von Muenster SJ, Carter BL, Weber CA et al. Description of Description of
pharmacist interventions during physician-pharmacist co-pharmacist interventions during physician-pharmacist co-management of hypertension. Pharmacy World & Science management of hypertension. Pharmacy World & Science 2008:30:128-135.2008:30:128-135.
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ORIGINAL INVESTIGATIONORIGINAL INVESTIGATION
Physician and Pharmacist Collaboration to Improve Blood Pressure Control
Barry L. Carter, PharmD; Gail Ardery, PhD; Jeffrey D. Dawson, ScD; Paul A. James, MD; George R. Bergus, MD; William R. Doucette, PhD; Elizabeth A. Chrischilles, PhD; Carrie L. Franciscus, MA; Yinghui Xu, MS
HEALTH CARE REFORMHEALTH CARE REFORM
Trial Registration: clinicaltrials.gov Identifier:Trial Registration: clinicaltrials.gov Identifier:NCT00201019NCT00201019
Arch Intern Med. 2009;169(21):1996-2002Arch Intern Med. 2009;169(21):1996-2002
““Mixed” Efficacy-Effectiveness Mixed” Efficacy-Effectiveness trialtrial
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Adherence Study: Adherence Study: Combination of Efficacy and Combination of Efficacy and
EffectivenessEffectiveness
Adherence Study: Adherence Study: Combination of Efficacy and Combination of Efficacy and
EffectivenessEffectiveness• Prospective, cluster-randomized controlled trial in 6
community-based family medicine residency clinics all with clinical pharmacist faculty in the medical office.
• Research nurse in each clinic measured BP at baseline, 3 and 6 months and 24-hour BP at baseline and 6 months.
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InterventionIntervention
• Pharmacist conducted interview and assessed patient for strategies to improve BP control.
• Pharmacist made recommendations to MD and patient to improve BP control.
• Pharmacists and physicians worked to overcome/prevent sub-optimal treatment, clinical inertia, poor adherence
• Pharmacists only encouraged to see patients at baseline and 1 month with a telephone call at 3 months with a goal to achieve BP control by 6 months (but they could see patients more often).
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Research BP MeasurementResearch BP Measurement
• Automated Omron Device
• Measure 1 BP, record but do not use for research value
• Measure 2 BP values and average them if less than 4 mm Hg apart.
• If more than 4 mm different, measure a 4th BP and average the 2 closest BP values (from the 2nd to 4th BP measurements).
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Systolic Blood Pressure
•- p<0.001; **- p=0.0015; *** - p=0.0023- p<0.001; **- p=0.0015; *** - p=0.0023Arch Intern Med. 2009;169(21):1996-2002Arch Intern Med. 2009;169(21):1996-2002Journal of Clinical Hypertension 2011;13:431-437.Journal of Clinical Hypertension 2011;13:431-437.
Retrospective evaluation of sustainability…
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17
Meta-analysis of Potency of individual components of team-based care
Odds that BP was controlled (95% confidence Interval)
Studies involving nurses 1.69 (1.48-1.93)
[69% increased chance]
Studies involving pharmacists within physician offices or clinics
2.48 (2.05-2.99)
[148% increased chance]
Studies done in community pharmacies
2.89 (1.83-4.55)
[189% increased chance]
Carter BL, et al. Archives of Internal Medicine 2009; 169:1748-1755.
Conclusion: All were effective but interventions by pharmacists appear to be more potent than by nurses.
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Collaboration Among Pharmacists
and Physicians To Improve
Outcomes Now
(CAPTION)
Collaboration Among Pharmacists
and Physicians To Improve
Outcomes Now
(CAPTION)
Barry L. Carter, Pharm.D.Barry L. Carter, Pharm.D.Principal Investigator, CCCPrincipal Investigator, CCCDepartment of Pharmacy Practice and Department of Pharmacy Practice and Science, College of Pharmacy andScience, College of Pharmacy andProfessor Professor Department of Family MedicineDepartment of Family Medicine Roy J. and Lucille A. Carver College of Roy J. and Lucille A. Carver College of MedicineMedicine
Christopher Coffey, Ph.D.Christopher Coffey, Ph.D.Principal Investigator, DCCPrincipal Investigator, DCCProfessor and Director, Clinical Trials DataProfessor and Director, Clinical Trials Data Management CenterManagement Center
College of Public HealthCollege of Public Health
* The study is being funded by
NHLBI/NIH, R01 HL091841-01A1.
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Important Concepts that Important Concepts that Determine Various Study Determine Various Study
MethodologiesMethodologies
Implementation: is the process of putting to use or integrating evidence-based interventions within a specific setting. Sustainability: describes to what extent an evidence-based intervention can deliver its intended benefits over an extended period of time after external support from the donor agency is terminated.
Rabin BA et al. A glossary for dissemination Rabin BA et al. A glossary for dissemination and implementation research in health. J and implementation research in health. J Public Health Management Practice Public Health Management Practice 2008;14:117-1232008;14:117-123..
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CAPTION Study Outcomes
Primary outcome = BP control @ 9 months (determined via research
measurement)
BP control defined as:• < 140/90 for patients with
uncomplicated hypertension
• < 130/80 for patients with diabetes or chronic kidney disease**
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Outcomes (cont.)
Secondary endpoints include:• Mean BP @ 12, 18, 24 months
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CAPTIONCAPTIONCAPTIONCAPTION32 offices stratified by degree of pharmacy
services and racial minorities:Then randomized to:
1. Usual care group2. 9-month pharmacist intervention3. 24-month pharmacist intervention.
Subjects followed for 24 months to determine:1. What happens when the intervention is
stopped?2. Can the intervention be sustained for 2 years?3. Does the intervention benefit patients from
minority groups?
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Participating Locations
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DemographicsDemographicsDemographicsDemographics
Variable 9 Month (N=194)N (%)
24 Month (N=207)
N (%)
Control (N=224)N (%)
Total (N=625)N (%)
p-value
Female 119 (61.3) 125 (60.4) 133 (59.4) 377 (60.3) 0.938
Age (SD) 60.6 (12.4) 56.7 (11.8) 60.5 (13.8) 59.3 (12.8) 0.055BMI (SD) 33.8 (8.5) 35.2 (9.0) 32.9 (7.7) 33.9 (8.5) 0.090DM or CKD *
102 (52.6%)
109 (52.7%)
103 (46.0%)
314(50.2%)
0.599
5SBP (SD)
147.6 (13.7)
149.8 (15.6)
149.6 (15.3)
149.1 (15.0)
0.458
* - Required a lower treatment goal (<130/80) * - Required a lower treatment goal (<130/80) making it more difficult to achieve controlmaking it more difficult to achieve control
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Pharmacist InterventionsPharmacist InterventionsPharmacist InterventionsPharmacist Interventions
GroupFirst 9 Months (rate/month)
9-24 Months(rate/month)
9 –Month Group 0.576 0.074
24 – Month Group 0.503 0.261
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Primary Outcome 9-Month BP Primary Outcome 9-Month BP ControlControl
Primary Outcome 9-Month BP Primary Outcome 9-Month BP ControlControl
Variable
Intervention Groups
(N = 401)(N=226
minorities)
Control Group
(N = 224) (N=111
minorities)
Model-Adjusted Difference –
Intervention vs. Control(95% CI)
p-value
BP Control All subjects
43% 34% 1.57 ( 0.99 , 2.50 )
0.052
BP Control Minorities
37% 28% 1.54 ( 0.84 , 2.81 ) 0.16
* - Defined as <140/90 for uncomplicated BP and * - Defined as <140/90 for uncomplicated BP and <130/80 for diabetes or CKD<130/80 for diabetes or CKD
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Provider Level AttitudesProvider Level AttitudesProvider Level AttitudesProvider Level Attitudes
Variable 9 Month (N=11)
24 Month (N=9)
Control (N=12)
p-value
Pharmacy Structure Score *** Low High
3 (27%)8 (73%)
3 (33%)6 (67%)
4 (33%)8 (67%)
1.00
Pharmacist TPBMean (SD) 21.0 (2.18) 21.8 (1.42) 21.2 (3.89) 0.76Physician TPBMean (SD 19.8 (2.39) 20.2 (1.56) 17.4 (2.85) 0.02TBP = Theory of Planned BehaviorTBP = Theory of Planned Behavior
*** - There was a significant relationship between offices with higher PSC and better BP control, adjusted odds ratio and CI = 1.75 ( 1.23 , 2.49 ), p = 0.002*** - Subjects from sites with higher PSC had a mean lower SBP of 4 mm Hg (p=0.007) and 2 mm DBP (P=0.009)
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Primary Outcome 9-Month BP Control Primary Outcome 9-Month BP Control When Adjusted for Baseline Pharmacy When Adjusted for Baseline Pharmacy
Structure ScoreStructure Score
Primary Outcome 9-Month BP Control Primary Outcome 9-Month BP Control When Adjusted for Baseline Pharmacy When Adjusted for Baseline Pharmacy
Structure ScoreStructure Score
Variable
Intervention Groups
(N = 401)(N=226
minorities)
Control Group
(N = 224) (N=111
minorities)
Model-Adjusted Difference –
Intervention vs. Control(95% CI)
p-value
BP Control All subjects
43% 34% 1.52 ( 1.02 , 2.29 )
0.042
BP Minority Subjects
37% 28% 1.54 ( 0.84 , 2.81 )
0.016
* - Defined as <140/90 for uncomplicated BP and * - Defined as <140/90 for uncomplicated BP and <130/80 for diabetes or CKD<130/80 for diabetes or CKD
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9 – month BP- All subjects9 – month BP- All subjects9 – month BP- All subjects9 – month BP- All subjects
VariableIntervention
Groups(N = 401)
Control Group
(N = 224)
Model-Adjusted
Difference – Intervention vs. Control
(95% CI)
p-value
SBP Mean (SD)
131.6 (15.8)
138.2 (19.7)
-6.07( -9.64, -2.50 )
0.001
DBP Mean (SD)
76.3 (11.1)
78.0 (14.5)
-2.89( -4.80, -0.99 )
0.003
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Results – Minority subjectsResults – Minority subjectsResults – Minority subjectsResults – Minority subjects
VariableIntervention
Groups(N = 226)
Control Group
(N = 111)
Model Adjusted
Difference – Intervention vs. Control
(95% CI)
p-value
SBP Mean (SD)
133.0 (16.3)
140.3 (21.4)
-6.42( -10.97, -1.87 ) 0.006
DBP Mean (SD)
77.9 (10.7)
78.8 (15.9)
-2.98( -5.76, -0.20 ) 0.036
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Systolic BP ResultsSystolic BP Results
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BP Control Rates ResultsBP Control Rates Results
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Summary: Comparison Of Summary: Comparison Of Other Studies With CAPTIONOther Studies With CAPTION
• Mean difference (control group minus the intervention group) in SBP was -8 to -10 mm Hg in other studies and -6.1 mm Hg in CAPTION
• Mean difference in DBP was -3 to -6 mm Hg in other studies and -2.9 mm Hg in CAPTION
• While the effect was slightly less in CAPTION, the results were expected and very similar to other studies
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Comments and QuestionsComments and QuestionsComments and QuestionsComments and Questions