NCT06177535

Brief Summary

This research study is being done to assess the impact of taking Kava extract (Piper methysticum), a dietary supplement on cortisol in a healthy nursing population.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
200

participants targeted

Target at P75+ for not_applicable

Timeline
1mo left

Started Aug 2024

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
active not recruiting

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 Progress95%
Aug 2024Jun 2026

First Submitted

Initial submission to the registry

December 11, 2023

Completed
9 days until next milestone

First Posted

Study publicly available on registry

December 20, 2023

Completed
8 months until next milestone

Study Start

First participant enrolled

August 5, 2024

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 30, 2026

Expected
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Last Updated

April 23, 2026

Status Verified

April 1, 2026

Enrollment Period

1.8 years

First QC Date

December 11, 2023

Last Update Submit

April 20, 2026

Conditions

Keywords

Nursing Professionals

Outcome Measures

Primary Outcomes (1)

  • Changes in Cortisol

    Blood serum cortisol levels reported in micrograms per deciliter (mcg/dL)

    Baseline, 4 weeks

Secondary Outcomes (8)

  • Change in burnout

    Baseline, 4 weeks

  • Change in motivation

    Baseline, 4 weeks

  • Change in mood

    Baseline, 4 weeks

  • Change in sleep

    Baseline, 4 weeks

  • Change in quality of life

    Baseline, 4 weeks

  • +3 more secondary outcomes

Study Arms (2)

Kava Group

EXPERIMENTAL

Subjects will receive Kavalactones for 28 days

Dietary Supplement: Kavalactones

Placebo Group

PLACEBO COMPARATOR

Subjects will receive placebo for 28 days

Drug: Placebo

Interventions

Three capsules orally once daily within one hour of bedtime. Looks exactly like the study drug, but it contains no active ingredient.

Placebo Group
KavalactonesDIETARY_SUPPLEMENT

Three 75 mg capsules orally once daily within one hour of bedtime (225 mg total/day)

Kava Group

Eligibility Criteria

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

You may qualify if:

  • Surgical services nurses at Mayo Clinic in Rochester, MN.
  • Able to participate fully in all aspects of the study.
  • Willing to use birth control for the duration of the study (if of childbearing potential).
  • Understood and signed study informed consent.

You may not qualify if:

  • Pregnant, nursing, or trying to conceive.
  • Persons with a menstrual cycle who are not willing and able to use an approved contraceptive during the study (female sterilization (tubal ligation, hysterectomy), IUD or another implant, oral or injectable contraceptive, contraceptive patch/ring, diaphragm/cervical cap, male sterilization (vasectomy), male condom, female condom, sponge/spermicide) (Persons who do not have sex with men can participate without the use of an approved contraceptive).
  • Use of kava or kava-containing products within the past 8 weeks.
  • Any prior adverse reaction or known sensitivity or allergy to kava or related botanicals (peppers).
  • Use of acetaminophen that cannot be discontinued or replaced with an NSAID during the study.
  • Use of oral corticosteroids (e.g., hydrocortisone) or other steroids (e.g., prednisone).
  • Alcohol use greater than 1 drink per day.
  • Use of kratom within the past 8 weeks.
  • Recent history of clinical depression or anxiety diagnosis.
  • Known significant liver disease or dysfunction.
  • Known significant kidney disease or dysfunction.
  • Known Addison's or Cushing's Disease.
  • Known catecholamine imbalance or medication use which influences catecholamine levels.
  • History or current diagnosis of cancer (except for successfully treated basal cell carcinoma diagnosed less than 5 years prior to screening or cancer in full remission more than 5 years after diagnosis).
  • Recent history or acute disease or unstable medical condition.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Mayo Clinic Minnesota

Rochester, Minnesota, 55905, United States

Location

Related Links

Study Officials

  • Brent Bauer, MD

    Mayo Clinic

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

December 11, 2023

First Posted

December 20, 2023

Study Start

August 5, 2024

Primary Completion (Estimated)

May 30, 2026

Study Completion (Estimated)

June 30, 2026

Last Updated

April 23, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share

Locations