NCT02133885

Brief Summary

Hypertension (HTN) is the single most prevalent risk factor for cardiovascular disease, diabetes, obesity and metabolic syndrome. Despite advances in life style modification and multi-drug therapies, 20-30% of all hypertensive patients remain resistant. These individuals exhibit autonomic dysregulation due to elevated sympathetic activity and norepinephrine spillover, and low parasympathetic activity. It is generally accepted that this uncontrolled, resistant HTN is primarily "neurogenic" in origin, involving over activity of the sympathetic nervous system that initiates and sustains HTN. Thus, a mechanism-based breakthrough is imperative to develop novel strategies to prevent and perhaps eventually cure neurogenic hypertension (NH). This study is a double-blind, placebo-controlled, cross-over design to test the hypothesis that minocycline treatment would produce antihypertensive effects in drug-resistant neurogenic hypertensive individuals.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Jan 2023

Typical duration for phase_1 hypertension

Geographic Reach
1 country

1 active site

Status
withdrawn

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

First Submitted

Initial submission to the registry

May 6, 2014

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 8, 2014

Completed
8.7 years until next milestone

Study Start

First participant enrolled

January 30, 2023

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2024

Completed
Last Updated

February 1, 2024

Status Verified

January 1, 2024

Enrollment Period

1.1 years

First QC Date

May 6, 2014

Last Update Submit

January 30, 2024

Conditions

Keywords

Resistent HypertensionSystolic Blood Pressure

Outcome Measures

Primary Outcomes (1)

  • Reduction of ambulatory blood pressure

    Change in systolic blood pressure.

    Change in baseline to week 54

Study Arms (2)

Minocycline Group

ACTIVE COMPARATOR

These subjects will start with minocycline for 16 weeks, followed by a washout period for 3 weeks, then will receive a placebo for 16 weeks, followed by a washout period for 3 weeks, then will finish with minocycline for 16 weeks.

Drug: Minocycline Group

Placebo Group

PLACEBO COMPARATOR

These subjects will start with placebo (this will look like minocycline) for 16 weeks, followed by a washout period for 3 weeks, then will receive a minocycline for 16 weeks, followed by a washout period for 3 weeks, then will finish with placebo for 16 weeks.

Other: Placebo Group

Interventions

These subjects will start with minocycline for 16 weeks, followed by a washout period for 3 weeks, then will receive a placebo for 16 weeks, followed by a washout period for 3 weeks, then will finish with minocycline for 16 weeks.

Minocycline Group

These subjects will start with placebo (tablet looking just like minocycline) for 16 weeks, followed by a washout period for 3 weeks, then will receive minocycline for 16 weeks, followed by a washout period for 3 weeks, then will finish with placebo for 16 weeks.

Placebo Group

Eligibility Criteria

Age18 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Greater than 18 and less than 86 years of age;
  • On stable medication regimen
  • o Full-tolerated doses of 3 or more anti-hypertensive medications of different classes, one of which must be a diuretic (with no changes for a minimum of two months prior to screening) that is expected to be maintained without changes for at least 3 months.
  • Office systolic blood pressure (SBP) of greater than 160 mmHg based on an average of 3 blood pressure readings measured at both initial screening visit
  • The individual agrees to have all study procedures performed
  • Willing to provide written consent
  • Females with childbearing potential must not be pregnant.

You may not qualify if:

  • eGFR of \< 45 mL/min/1.73m2, using the MDRD calculation.
  • More than one in-patient hospitalization for an anti-hypertensive crisis within the year.
  • More than one episode(s) of orthostatic hypotension (reduction of SBP of ≥ 20 mmHg of diastolic blood pressure (DBP) of ≥ 10 mmHg within 3 minutes of standing).
  • History of myocardial infarction (MI), unstable angina pectoris, syncope or a cardiovascular accident within 6 months of screening period
  • Clinically significant atrioventricular (AV) conduction disturbances and/or arrhythmias (e.g. 2nd or 3rd degree AV block);
  • Current of past history of heart failure (≤40% left ventricular ejection fraction (EF).
  • Major of psychotropic agents and antidepressants.
  • Use of nonsteroidal anti-inflammatory drug (NSAIDs)
  • Known hypersensitivity or contraindication to Minocycline or other tetracycline.
  • Smoking
  • Concurrent severe disease (such as neoplasm or HIV positive or AIDS).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

UF Health Cardiovascular Clinic

Gainesville, Florida, 32610, United States

Location

MeSH Terms

Conditions

Hypertension

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Study Officials

  • Carl Pepine, MD

    University of Florida

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 6, 2014

First Posted

May 8, 2014

Study Start

January 30, 2023

Primary Completion

March 1, 2024

Study Completion

March 1, 2024

Last Updated

February 1, 2024

Record last verified: 2024-01

Locations