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Can a proprietary spearmint extract improve cognitive function?

A Randomized, Double-Blind, Placebo-Controlled, Parallel Trial Investigating a Proprietary Spearmint Extract on cognitive function in healthy individuals.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12615000396527
Enrollment
129
Registered
2015-04-29
Start date
2015-04-29
Completion date
2016-08-25
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

This research project is aiming to determine the effects of 3 months supplementation with a proprietary spearmint extract, on cognitive functioning in healthy individuals. Participants will be required to complete 4 testing sessions and 1 screening session. During these sessions they will be asked to complete a variety of measures assessing cognitive function and general health. Participants will be asked to take one of the following treatments for a 90 day period: - Proprietary spearmint extract - Matched placebo

Interventions

This study is a randomised, double-blind, placebo-controlled, parallel intervention trial. A total of 128 individuals aged 50 to 70 years will take part in the study with an intervention period of 90 days. Participants will be required to complete four testing sessions (day 0, day 7, day 30 and day 90), and one screening session. At each session participants will be required to complete a series of measures assessing cognitive function. Following visit 1 participants will be randomly allo

This study is a randomised, double-blind, placebo-controlled, parallel intervention trial. A total of 128 individuals aged 50 to 70 years will take part in the study with an intervention period of 90 days. Participants will be required to complete four testing sessions (day 0, day 7, day 30 and day 90), and one screening session. At each session participants will be required to complete a series of measures assessing cognitive function. Following visit 1 participants will be randomly allocated to receive one of the two treatments (administered in capsules) - Proprietary spearmint extract (900 mg/day) - Matched placebo (of microcrystalline cellulose) The study product (two capsules) will be administered orally (self-administered at home) daily for 90 days. Compliance will be assessed by capsule count at each study visit.

Sponsors

Centre for Human Psychopharmacology, Swinburne University.
Lead SponsorUniversity

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Blinded (masking used) (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
All
Age
50 Years to 70 Years
Healthy volunteers
Yes

Inclusion criteria

People who meet the following inclusion criteria will be included in the trial: - Male or female, aged 50 to 70 years, inclusive. - Willing and able to provide written informed consent. - Understands and is willing and able to comply with all study procedures. - Fluent in written and spoken English. - Are in good general health as judged by the Investigator on the basis of medical history and biochemical assessment.

Exclusion criteria

Participants who display any of the following will be excluded from the trial: - Participant is unable to understand and/or perform required tests according to the practice test results. - Participant has a history of repeated minor head injury (e.g., in boxing) or a single injury resulting in a period of unconsciousness for 1 h or more. - Subject has a history or presence of cancer in the prior 2 years, except for non-melanoma skin cancer. - Subject has an active infection or signs/symptoms of an infection at clinic visit. Clinic visits will be rescheduled to allow subject to be symptom-free of any type of systemic infection for at least 5 days. - Subject has recently used antibiotics (within 5 days of any clinic visit). - Currently participating in or has participated in any other study involving an investigational product in the last 4 weeks.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026