MASked-unconTrolled hypERtension Management Based on Office BP or on Out-of-office (Ambulatory) BP Measurement
MASTER
1 other identifier
interventional
1,240
2 countries
2
Brief Summary
MASTER study is a 4-year prospective, randomized, open-label, blinded-endpoint study (PROBE) comparing 2 management strategies 1) office BP as a guide to treatment, or 2) 24-hour ABP as a guide to treatment. Study objectives are to investigate whether a management strategy based on out-of-office BP (Ambulatory BP monitoring) versus a management strategy based on office BP measurements is associated with differences in outcome, including cardiovascular and renal intermediate end points at one year; cardiovascular events at 4 years and changes in a number of blood pressure-related variables throughout the study. Patients will be followed-up during the first year focusing on changes in left ventricular mass index (LVMI, co-primary endpoint) and Urinary albumin excretion (UAE, albumin/creatinine ratio, co-primary end-point), and during the whole 48 month period for both changes in LVMI and UAE and events including all-cause mortality, CV morbidity and mortality, cerebral morbidity and mortality.A total of 1240 subjects will be recruited by 30 centers, taking into account a dropout rate of 15% (620 subjects per randomization arm).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Oct 2018
Longer than P75 for not_applicable
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 14, 2016
CompletedFirst Posted
Study publicly available on registry
June 17, 2016
CompletedStudy Start
First participant enrolled
October 1, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2026
March 30, 2026
March 1, 2026
8.2 years
June 14, 2016
March 25, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
changes in LVMI (co-primary endpoint)
12 months
UAE (albumin/creatinine ratio, co-primary end-point)
12 months
Study Arms (2)
Group 1
ACTIVE COMPARATORManagement strategy of blood pressure based on office BP as a guide to treatment
Group 2
EXPERIMENTALManagement strategy of blood pressure based on 24-hour ABPM as a guide to treatment
Interventions
Optimization of antihypertensive treatment based on office BP
Optimization of antihypertensive treatment based on 24-hour ABPM
Eligibility Criteria
You may qualify if:
- Male and female subjects
- Age 35-80 years
- Masked uncontrolled (in treatment) hypertension: office BP \<140/90 mmHg, and one or more of the following situations:
- Ambulatory daytime BP \>135/85 mmHg
- Ambulatory night-time ABP \> 120/70 mmHg
- Ambulatory 24h ABP \>130/80 mmHg
- eGFR ≥45 mL/min/1.73 m2 (CKD-EPI creatinine equation 2009)
You may not qualify if:
- eGFR \<45 mL/min/1.73 m2 (CKD-EPI creatinine equation 2009), and in particular severe chronic renal failure defined as serum creatinine \> 250 umol/l;
- Patients in unstable clinical conditions;
- Known secondary hypertension;
- Orthostatic hypotension (SBP fall \> 20 mmHg on standing);
- Dementia (clinical diagnosis);
- Hepatic disease as determined by either AST or ALT values \> 2 times the upper limit of normal
- History of gastrointestinal surgery or disorders which could interfere with drug absorption
- Known allergy or contraindications to one of the drugs to be administered in the study
- History of malignancy including leukaemia and lymphoma (but not basal cell skin cancer) within the last 5 years
- History of clinically significant autoimmune disorders such as systemic lupus erythematosus.
- History of drug or alcohol abuse within the last 5 years
- History of non-compliance to medical regimens and/or patients who are considered potentially unreliable
- Inability or unwillingness to give free informed consent
- Pregnancy or planned pregnancy during study period.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Istituto Auxologico Italianolead
- European Society of Hypertensioncollaborator
Study Sites (2)
Istituto Auxologico Italiano
Milan, Italy
Fundacion Venezolana de Hipertension Arterial/Instituto de Enfermedades Cardiovasculares de LUZ
Maracaibo, Venezuela
Related Publications (1)
Parati G, Agabiti-Rosei E, Bakris GL, Bilo G, Branzi G, Cecchi F, Chrostowska M, De la Sierra A, Domenech M, Dorobantu M, Faria T, Huo Y, Jelakovic B, Kahan T, Konradi A, Laurent S, Li N, Madan K, Mancia G, McManus RJ, Modesti PA, Ochoa JE, Octavio JA, Omboni S, Palatini P, Park JB, Pellegrini D, Perl S, Podoleanu C, Pucci G, Redon J, Renna N, Rhee MY, Rodilla Sala E, Sanchez R, Schmieder R, Soranna D, Stergiou G, Stojanovic M, Tsioufis K, Valsecchi MG, Veglio F, Waisman GD, Wang JG, Wijnmaalen P, Zambon A, Zanchetti A, Zhang Y. MASked-unconTrolled hypERtension management based on office BP or on ambulatory blood pressure measurement (MASTER) Study: a randomised controlled trial protocol. BMJ Open. 2018 Dec 19;8(12):e021038. doi: 10.1136/bmjopen-2017-021038.
PMID: 30573476DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Gianfranco Parati, MD
Istituto Auxologico Italiano
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 14, 2016
First Posted
June 17, 2016
Study Start
October 1, 2018
Primary Completion (Estimated)
December 1, 2026
Study Completion (Estimated)
December 1, 2026
Last Updated
March 30, 2026
Record last verified: 2026-03