NCT02000856

Brief Summary

The study is a single center randomised, double-blind, placebo-controlled crossover study to assess the effects of beetroot juice in patients with pulmonary arterial hypertension.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
15

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2013

Geographic Reach
1 country

1 active site

Status
completed

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

Study Start

First participant enrolled

November 1, 2013

Completed
18 days until next milestone

First Submitted

Initial submission to the registry

November 19, 2013

Completed
15 days until next milestone

First Posted

Study publicly available on registry

December 4, 2013

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2015

Completed
Last Updated

March 27, 2018

Status Verified

March 1, 2018

Enrollment Period

1.3 years

First QC Date

November 19, 2013

Last Update Submit

March 24, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in VO2 submax and or VO2 max

    7 days

Secondary Outcomes (7)

  • Change in 6MWT

    7 days

  • Change in WHO functional class

    7 days

  • Change in echocardiographic parameters

    7 days

  • Change in exhaled NO

    7 days

  • Change in systemic bloodpressure

    7 days

  • +2 more secondary outcomes

Study Arms (2)

Nitrate rich beetroot juice

ACTIVE COMPARATOR

Eligible subjects will be randomised, in a double-blind crossover design, to receive treatment with either nitrate rich beetroot juice (70 ml containing approximately 8 mmol nitrate - active comparator) or nitrate depleted beetroot juice (70 ml - placebo) twice daily for 7 days (treatment period 1) followed by a 7 day washout period followed by treatment twice daily with the active comparator or placebo depending on initial treatment for another 7 days (treatment period 2) .

Dietary Supplement: Beetroot juice

Nitrate depleted beetroot juice

PLACEBO COMPARATOR

Eligible subjects will be randomised, in a double-blind crossover design, to receive treatment with either nitrate rich beetroot juice (70 ml containing approximately 8 mmol nitrate - active comparator) or nitrate depleted beetroot juice (70 ml - placebo)twice daily for 7 days (treatment period 1) followed by a 7 day washout period followed by treatment twice daily with the active comparator or placebo depending on initial treatment for another 7 days (treatment period 2) .

Dietary Supplement: Beetroot juice

Interventions

Beetroot juiceDIETARY_SUPPLEMENT
Nitrate depleted beetroot juiceNitrate rich beetroot juice

Eligibility Criteria

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

You may qualify if:

  • PAH (pulmonary arterial hypertension)
  • WHO functional class II-III

You may not qualify if:

  • WHO functional class I or IV
  • pregnancy
  • known intolerance or allergy to beetroot
  • treatment with Allopurinol
  • treatment with Iloprost (inhaled)
  • systolic bloodpressure \< 95 mmHg
  • diabetes mellitus type 2

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Uppsala University Hospital

Uppsala, Sweden

Location

MeSH Terms

Conditions

Pulmonary Arterial Hypertension

Condition Hierarchy (Ancestors)

Hypertension, PulmonaryLung DiseasesRespiratory Tract Diseases

Study Officials

  • Gerhard Wikström, MD, PhD

    Uppsala University and Uppsala University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 19, 2013

First Posted

December 4, 2013

Study Start

November 1, 2013

Primary Completion

February 1, 2015

Study Completion

February 1, 2015

Last Updated

March 27, 2018

Record last verified: 2018-03

Locations