Trial Outcomes & Findings for Personalizing Intervention to Reduce Clinical Inertia in the Treatment of Hypertension (NCT NCT04603560)

NCT ID: NCT04603560

Last Updated: 2024-08-21

Results Overview

The primary outcome was whether physicians intensified treatment at the target visit. Intensification was defined as adding a new antihypertensive medication or increasing the total daily dose of an existing one. This was measured by identifying all prescriptions for anti-hypertensive medications in the electronic health record (EHR) on the day of the target visit and comparing the medication name and total daily dose to anti-hypertensive medications prescribed prior to the target visit date, following the same procedure used to identify intensification during the eligibility assessment

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

511 participants

Primary outcome timeframe

During the primary care office visit in which the provider-patient dyad received the intervention

Results posted on

2024-08-21

Participant Flow

This was a cluster-randomized trial randomized at the provider level. Primary care providers were invited to participate and consented into the study. Patients accrued into the study were study-eligible patients cared for by each enrolled primary care provider.

Participant milestones

Participant milestones
Measure
Social Norming: Patients
In this arm, patients received care at visits as directed by their primary care providers (PCPs). PCPs received reports that displayed the physician's hypertension control rates compared to their peers.
Pharmacist E-Detailing: Patients
In this arm, patients received care at visits as directed by their primary care providers (PCPs). PCPs received individual feedback and recommendations generated by a clinical pharmacist delivered as a message through the EHR in advance of eligible patient visits.
Control: Patients
In this arm, patients received care at visits as directed by their primary care providers (PCPs). No intervention was provided to PCPs in the control arm.
Social Norming: Providers
In this arm, rates of blood pressure control across all patients with hypertension cared for by each PCP were obtained from a system-wide performance dashboard, and reports were generated that displayed the physician's hypertension control rates compared to their peers. To ensure PCPs were compared to targets that they could reasonably attain, a different comparison was used based on the PCP's current rate of hypertension control. If the PCP's rates were below the practice average, the practice average was used for comparison. If the PCP's rate was above the practice average, the rate of the top performer in the practice was used.
Pharmacist E-Detailing: Providers
In this arm, PCPs received individual feedback and recommendations generated by a clinical pharmacist delivered as a message through the EHR. Eligible patients with an upcoming (target) visit with their PCP were identified using EHR data, as above. A clinical pharmacist reviewed each patient's chart and generated a personalized recommendation for how to modify the specific patient's antihypertensive regimen based on clinical practice guidelines.
Control: Providers
No intervention was provided to PCPs in the control arm.
Overall Study
STARTED
173
143
150
16
15
14
Overall Study
COMPLETED
173
143
150
16
15
14
Overall Study
NOT COMPLETED
0
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Baseline measurement for patients only. Blood pressures were not obtained for Providers.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Social Norming: Patients
n=173 Participants
In this arm, patients received care at visits as directed by their primary care providers (PCPs). PCPs received reports that displayed the physician's hypertension control rates compared to their peers.
Pharmacist E-Detailing: Patients
n=143 Participants
In this arm, patients received care at visits as directed by their primary care providers (PCPs). PCPs received individual feedback and recommendations generated by a clinical pharmacist delivered as a message through the EHR in advance of eligible patient visits.
Control: Patients
n=150 Participants
In this arm, patients received care at visits as directed by their primary care providers (PCPs). No intervention was provided to PCPs in the control arm.
Social Norming: Providers
n=16 Participants
In this arm, rates of blood pressure control across all patients with hypertension cared for by each PCP were obtained from a system-wide performance dashboard, and reports were generated that displayed the physician's hypertension control rates compared to their peers. To ensure PCPs were compared to targets that they could reasonably attain, a different comparison was used based on the PCP's current rate of hypertension control. If the PCP's rates were below the practice average, the practice average was used for comparison. If the PCP's rate was above the practice average, the rate of the top performer in the practice was used.
Pharmacist E-Detailing: Providers
n=15 Participants
In this arm, PCPs received individual feedback and recommendations generated by a clinical pharmacist delivered as a message through the EHR. Eligible patients with an upcoming (target) visit with their PCP were identified using EHR data, as above. A clinical pharmacist reviewed each patient's chart and generated a personalized recommendation for how to modify the specific patient's antihypertensive regimen based on clinical practice guidelines.
Control: Providers
n=14 Participants
No intervention was provided to PCPs in the control arm.
Total
n=511 Participants
Total of all reporting groups
Age, Continuous
Age
64.35 years
STANDARD_DEVIATION 11.69 • n=173 Participants
64.91 years
STANDARD_DEVIATION 10.72 • n=143 Participants
64.11 years
STANDARD_DEVIATION 12.83 • n=150 Participants
53.56 years
STANDARD_DEVIATION 10.38 • n=16 Participants
51.33 years
STANDARD_DEVIATION 11.1 • n=15 Participants
51.71 years
STANDARD_DEVIATION 13.15 • n=14 Participants
64.45 years
STANDARD_DEVIATION 11.76 • n=511 Participants
Sex: Female, Male
Female
71 Participants
n=173 Participants
73 Participants
n=143 Participants
75 Participants
n=150 Participants
8 Participants
n=16 Participants
11 Participants
n=15 Participants
10 Participants
n=14 Participants
248 Participants
n=511 Participants
Sex: Female, Male
Male
102 Participants
n=173 Participants
70 Participants
n=143 Participants
75 Participants
n=150 Participants
8 Participants
n=16 Participants
4 Participants
n=15 Participants
4 Participants
n=14 Participants
263 Participants
n=511 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
13 Participants
n=173 Participants
4 Participants
n=143 Participants
20 Participants
n=150 Participants
2 Participants
n=16 Participants
0 Participants
n=15 Participants
0 Participants
n=14 Participants
39 Participants
n=511 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
137 Participants
n=173 Participants
129 Participants
n=143 Participants
119 Participants
n=150 Participants
14 Participants
n=16 Participants
15 Participants
n=15 Participants
14 Participants
n=14 Participants
428 Participants
n=511 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
23 Participants
n=173 Participants
10 Participants
n=143 Participants
11 Participants
n=150 Participants
0 Participants
n=16 Participants
0 Participants
n=15 Participants
0 Participants
n=14 Participants
44 Participants
n=511 Participants
Race/Ethnicity, Customized
Asian
6 Participants
n=173 Participants
13 Participants
n=143 Participants
10 Participants
n=150 Participants
2 Participants
n=16 Participants
4 Participants
n=15 Participants
4 Participants
n=14 Participants
39 Participants
n=511 Participants
Race/Ethnicity, Customized
Black or African American
20 Participants
n=173 Participants
17 Participants
n=143 Participants
15 Participants
n=150 Participants
0 Participants
n=16 Participants
1 Participants
n=15 Participants
0 Participants
n=14 Participants
53 Participants
n=511 Participants
Race/Ethnicity, Customized
White
132 Participants
n=173 Participants
105 Participants
n=143 Participants
104 Participants
n=150 Participants
14 Participants
n=16 Participants
9 Participants
n=15 Participants
10 Participants
n=14 Participants
374 Participants
n=511 Participants
Race/Ethnicity, Customized
Other/Unknown/Not reported
15 Participants
n=173 Participants
8 Participants
n=143 Participants
21 Participants
n=150 Participants
0 Participants
n=16 Participants
1 Participants
n=15 Participants
0 Participants
n=14 Participants
45 Participants
n=511 Participants
Systolic blood pressure
148.97 mmHg
STANDARD_DEVIATION 11.06 • n=173 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
149.48 mmHg
STANDARD_DEVIATION 9.02 • n=143 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
148.13 mmHg
STANDARD_DEVIATION 10.89 • n=150 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
148.85 mmHg
STANDARD_DEVIATION 10.41 • n=466 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
Diastolic blood pressure
81.57 mmHg
STANDARD_DEVIATION 9.34 • n=173 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
81.75 mmHg
STANDARD_DEVIATION 8.82 • n=143 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
82.78 mmHg
STANDARD_DEVIATION 8.89 • n=150 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.
82.01 mmHg
STANDARD_DEVIATION 9.04 • n=466 Participants • Baseline measurement for patients only. Blood pressures were not obtained for Providers.

PRIMARY outcome

Timeframe: During the primary care office visit in which the provider-patient dyad received the intervention

The primary outcome was whether physicians intensified treatment at the target visit. Intensification was defined as adding a new antihypertensive medication or increasing the total daily dose of an existing one. This was measured by identifying all prescriptions for anti-hypertensive medications in the electronic health record (EHR) on the day of the target visit and comparing the medication name and total daily dose to anti-hypertensive medications prescribed prior to the target visit date, following the same procedure used to identify intensification during the eligibility assessment

Outcome measures

Outcome measures
Measure
Social Norming
n=173 Participants
In this arm, rates of blood pressure control across all patients with hypertension cared for by each PCP were obtained from a system-wide performance dashboard, and reports were generated that displayed the physician's hypertension control rates compared to their peers. To ensure PCPs were compared to targets that they could reasonably attain, a different comparison was used based on the PCP's current rate of hypertension control. If the PCP's rates were below the practice average, the practice average was used for comparison. If the PCP's rate was above the practice average, the rate of the top performer in the practice was used .
Pharmacist E-Detailing
n=143 Participants
In this arm, PCPs received individual feedback and recommendations generated by a clinical pharmacist delivered as a message through the EHR. Eligible patients with an upcoming (target) visit with their PCP were identified using EHR data, as above. A clinical pharmacist reviewed each patient's chart and generated a personalized recommendation for how to modify the specific patient's antihypertensive regimen based on clinical practice guidelines.
Control
n=150 Participants
No intervention will be provided to physicians in the control arm.
Treatment Intensification
21 Participants
23 Participants
19 Participants

Adverse Events

Social Norming

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Pharmacist E-Detailing

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Nancy Haff, MD, MPH

Brigham and Women's Hospital

Phone: 617-278-0930

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place