Recruiting
Phase 2

WSPE, LSPE

Sponsor:

Graminex LLC

Code:

NCT06889753

Conditions

Menopausal Women

Eligibility Criteria

Sex: Female

Age: 45 - 65

Healthy Volunteers: Accepted

Interventions

Graminex WSPE

Graminex LSPE

Placebo

Study Details

Brief summary:

The goal of this study is to investigate the effect of pollen extracts on menopausal symptoms in healthy women The main question it aims to answer is:

What is the difference in change in severity of menopausal symptoms as assessed by the total Menopause Rating Scale (MRS) score from baseline at Week 36 between Graminex Water Soluble Pollen Extract (WSPE), Lipid Soluble Pollen Extract (LSPE), and Placebo?

Participants will be asked to complete the MRS assessment tool to rate their menopausal symptoms while receiving either WSPE, LSPE, or Placebo.

Conditions

Menopausal Women

Study ID

NCT06889753

Start date

Oct 29, 2025

Status verified date

Jul, 2026

Completion date

Aug, 2026

Anticipated

Primary completion date

Aug, 2026

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: Female

Age: 45 - 65

Healthy Volunteers: Accepted

Inclusion Criteria:

1. Females between 45-60 years of age, inclusive
2. BMI 18.5 kg/m2 - 34.9 kg/m2 inclusive
3. Self-reported menopausal women who have not had a menstrual period for >12 months prior to screening and are experiencing at least moderate menopausal symptoms as assessed by the total MRS score of ≥9 at screening
4. Presence of menopausal symptoms for at least six months prior to screening including, vasomotor symptoms (hot flushes, sweating) AND at least two of the following symptoms: sleep disturbance, joint pain, mood changes, fatigue and lack of energy, vaginal dryness, urinary changes, and changes in sexual function
5. Agrees to maintain current lifestyle as much as possible throughout the study, including diet, exercise, medications, dietary supplements, and sleep
6. Able and willing to complete all study assessments
7. Provided voluntary, written, informed consent to participate in the study
8. Healthy as determined by medical history with no unstable, diagnosed medical conditions as assessed by the Qualified Investigator (QI)

Exclusion Criteria:

1. Females who have had unilateral oophorectomy or hysterectomy or uterine ablation
2. Allergy (including bee products or pollen, sensitivity, or intolerance to investigational products or placebo ingredients
3. Ongoing diagnosis with anxiety disorder, sleep disorder, or major depression as assessed by the QI
4. Ongoing unstable diagnosis of musculoskeletal disorders as assessed by the QI
5. Current untreated urogenital diagnosis as assessed by the QI
6. Unstable metabolic disease or chronic diseases as assessed by the QI
7. Current or history of any significant diseases of the gastrointestinal tract as assessed by the QI
8. Unstable hypertension. Treatment on a stable dose of medication for at least 3 months will be considered by the QI
9. Current unstable Type I or Type II diabetes
10. Significant cardiovascular event in the past six months. Participants with no significant cardiovascular event on stable medication may be included after assessment by the QI on a case-by-case basis
11. History of or current diagnosis with kidney and/or liver diseases as assessed by the QI on a case-by-case basis, with the exception of history of kidney stones in participants who are symptom free for 6 months
12. Self-reported confirmation of current or pre-existing thyroid condition. Treatment on a stable dose of medication for at least three months will be considered by the QI
13. Major surgery in the past three months or individuals who have planned surgery during the course of the study. Participants with minor surgery will be considered on a case-by-case basis by the QI
14. Cancer, except skin basal cell carcinoma completely excised with no chemotherapy or radiation with a follow up that is negative. Volunteers with cancer in full remission for more than five years
15. after diagnosis are acceptable
16. Individuals with unstable autoimmune disease or are immune compromised as assessed by the QI
17. Use of medical cannabinoid products
18. Chronic use of cannabinoid products (>2 times/week) as assessed by the QI
19. Alcohol intake average of >2 standard drinks per day as assessed by the QI
20. Alcohol or drug abuse within the last 12 months
21. Current use of prescribed and/or over-the-counter (OTC) medications, supplements, and/or consumption of food/drinks that may impact the efficacy of the investigational product (Sections 7.3.1 and 7.3.2)
22. Participation in other clinical research studies 30 days prior to baseline, as assessed by the QI
23. Individuals who are unable to give informed consent
24. Any other condition or lifestyle factor, that, in the opinion of the QI, may adversely affect the participant's ability to complete the study or its measures or pose significant risk to the participant
25. Asthmatic, as assessed by the QI

Study Design

Enrollment

120 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

experimental: Graminex Water Soluble Pollen Extract (WSPE)

Graminex WSPE is a water soluble extract from flower pollen standardized to 6% amino acids.

experimental: Graminex Lipid Soluble Pollen Extract (LSPE)

Graminex LSPE is a lipid soluble pollen extract standardized to 7% phytosterols.

placebo comparator: Placebo

Interventions

Graminex WSPE

Graminex Water Soluble Pollen Extract is standardized to 6% amino acids.

Graminex LSPE

Graminex Lipid Soluble Pollen Extract is standardized to 7% phytosterols.

Placebo

Placebo

Primary outcome measure

  • The difference in change in severity of menopausal symptomsbaseline at Week 36 between Graminex WSPE, Graminex LSPE, and Placebo [ Time Frame: Week 0 (baseline) to 36 ]

Central Contacts and Locations

Central contacts

Locations

KGK Science Inc.

Recruiting

London, Ontario, Canada, N6B3L1

Contacts

Principal Investigator:

David Crowley, MD

More Information

Sponsor

Graminex LLC

Last update posted

Jul 8, 2026

Last verified

Jul, 2026

Keywords

  • Menopause
  • Flower Pollen Extracts
  • Water Soluble Pollen Extract
  • Lipid Soluble Pollen Extract

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by Graminex LLC on 2026-07-08.