NCT02575690

Brief Summary

Potential protective cardiovascular effect of Spirulina maxima supplementation was studied in a double-blind placebo-controlled trial of obese subjects with treated hypertension, each randomized to receive spirulina or a placebo.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
50

participants targeted

Target at P25-P50 for not_applicable obesity

Timeline
Completed

Started Jan 2013

Typical duration for not_applicable obesity

Status
completed

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

Study Start

First participant enrolled

January 1, 2013

Completed
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2015

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

October 8, 2015

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 15, 2015

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2016

Completed
Last Updated

May 5, 2020

Status Verified

May 1, 2020

Enrollment Period

2.3 years

First QC Date

October 8, 2015

Last Update Submit

May 4, 2020

Conditions

Keywords

spirulina, placebo, obesity,antihypertensive treatment

Outcome Measures

Primary Outcomes (1)

  • Body mass index

    at baseline of the study

Secondary Outcomes (7)

  • blood pressure

    At the baseline and following 3 months of treatment

  • Body mass index

    3 months

  • waist circumference

    At the baseline and following 3 months of treatment

  • serum lipids

    At the baseline and following 3 months of treatment

  • Total antioxidant status (TAS) evaluated by colorimetric method with Tas Randox kit

    At the baseline and following 3 months of treatment

  • +2 more secondary outcomes

Study Arms (2)

Placebo group

PLACEBO COMPARATOR

Obese patients with well-treated hypertension that receive placebo (pure microcrystalline cellulose)

Other: Placebo

Spirulina group

EXPERIMENTAL

Obese patients with well-treated hypertension that receive Hawaiian spirulina (Cyanotech Corporation, Hawaii, US)

Dietary Supplement: Spirulina

Interventions

SpirulinaDIETARY_SUPPLEMENT

Individuals receive 2 g of spirulina daily, for 3 months.

Spirulina group
PlaceboOTHER

Individuals receive a placebo daily, for 3 months.

Placebo group

Eligibility Criteria

Age25 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • body mass index (BMI) equal to or greater than 30 kg/m2
  • age 25 to 60 years
  • stable body weight (\< 3 kg self-reported change during the previous three months)
  • well-controlled hypertension (meaning systolic blood pressure (SBP) less than 160 mmHg and/or diastolic blood pressure (DBP) less than 100 mmHg) with stable treatment for at least 6 months (the patients received one drug only)

You may not qualify if:

  • secondary obesity or secondary hypertension
  • diabetes
  • a history of coronary artery disease
  • stroke
  • congestive heart failure
  • malignancy
  • a history of use of any dietary supplements within the three months prior to the study
  • a current need for modification of antihypertensive therapy
  • abnormal liver or kidney function
  • any clinically significant process
  • a history of infection in the month prior to the study
  • nicotine or alcohol abuse
  • or other condition that, in the opinion of the investigators, would make participation not in the best interest of the patient or could prevent, limit, or confound the protocol-specified efficacy assessments

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Pawel Bogdanski, MD, PhD

    Poznan University of Medical Sciences

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate professor

Study Record Dates

First Submitted

October 8, 2015

First Posted

October 15, 2015

Study Start

January 1, 2013

Primary Completion

May 1, 2015

Study Completion

May 1, 2016

Last Updated

May 5, 2020

Record last verified: 2020-05