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The Effectiveness of a Caralluma Fimbriata Extract on Stress, Sleep and Neurotransmitters

The Effectiveness of a Caralluma Fimbriata Extract on Stress, Sleep and Neurotransmitters, a Randomised Placebo-controlled Double-blind Study

Status
Completed
Phases
Phase 2Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05232266
Enrollment
129
Registered
2022-02-09
Start date
2022-02-10
Completion date
2023-05-19
Last updated
2023-10-24

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

Conditions

Sleep, Stress

Brief summary

This is a double blind, randomised, placebo-controlled clinical trial aiming to assess the effectiveness of Caralluma fimbriata on stress, sleep and neurotransmitters in a healthy adult population.

Interventions

DRUGCaralluma Fimbriata

Caralluma fimbriata in capsule form - taken as a 500mg dose (two 250mg capsules) twice daily, morning and evening with food.

DRUGPlacebo comparator - Microcrystalline cellulose

Placebo comparator in capsule form - taken as a 500mg dose (two 250mg capsules) twice daily, morning and evening with food.

Sponsors

RDC Clinical Pty Ltd
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Adults aged 18 years and above * Self-reporting Stress * Able to provide informed consent * Agree not to change current diet and exercise program while enrolled in this trial * Agree not to undertake another clinical trial while enrolled in this trial

Exclusion criteria

* Unstable or serious illness (e.g. Serious mood disorders, neurological disorders such as MS, kidney disease, liver disease, heart conditions, diabetes, thyroid gland dysfunction)\* * Current malignancy (excluding BCC) or chemotherapy and radiotherapy treatment for malignancy within the previous 2 years * Receiving/prescribed coumadin (Warfarin), heparin, dalteparin, enoxaparin or other anticoagulation therapy * Receiving treatment for anxiety, or taking supplements# for anxiety or sleep conditions such as saffron, valerian, etc. * Active smokers, nicotine use, alcohol or drug (prescription or illegal substances) abuse * Chronic past and/or current alcohol use (\>14 alcoholic drinks week) * Allergic to any of the ingredients in the active or placebo formula * Known pregnant or lactating woman * Any condition which in the opinion of the investigator makes the participant unsuitable for inclusion * Participants who have participated in any other related clinical study during the past 1 month * History of infection in the month prior to the study * An unstable illness is any illness that is currently not being treated with a stable dose of medication or is fluctuating in severity. A serious illness is a condition that carries a risk of mortality, negatively impacts quality of life and daily function and/or is burdensome in symptoms and/or treatments. * Potential participants that are taking supplements that would result in their exclusion must wait a 4-week washout period prior to commencing the study.

Design outcomes

Primary

MeasureTime frameDescription
Change in stress as assessed by Perceived Stress Scale (PSS)Baseline prior to commencement of study product, Week 4 and Week 8Change in stress as assessed by Perceived Stress Scale (PSS) - Score range 0-40, Higher scores indicate higher perceived stress.
Change in stress as assessed by Salivary Cortisol levelsBaseline prior to commencement of study product, Week 4 and Week 8Change in stress as assessed by Salivary Cortisol levels through assay

Secondary

MeasureTime frameDescription
Change in sleep as assessed by the Pittsburgh Sleep Quality Index (PSQI)Baseline prior to commencement of study product, Week 4 and Week 8Change in sleep as assessed by the Pittsburgh Sleep Quality Index (PSQI) which covers 7 domains with higher scores indicating poorer sleep quality.
Change in stress and mood as assessed by the Profile of Mood States (POMS) scaleBaseline prior to commencement of study product, Week 4 and Week 8Change in stress as assessed by Profile of Mood States (POMS) scale - Six dimensions including Tension or Anxiety, Anger or Hostility, Vigor or Activity, Fatigue or Inertia, Depression or Dejection, Confusion or Bewilderment assessed ona five point scale ranging from not at all to extremely.
Change in Neurotransmitters as assessed by pathologyBaseline prior to commencement of study product, Week 4 and Week 8Change in neurotransmitters Serotonin, Dopamine, oxytocin, nor-epinephrine, adrenalin, glutamate and GABA as assessed by pathology
Change in sleep as measured by the Restorative Sleep Questionnaire (RSQ)Baseline prior to commencement of study product, Week 4 and Week 8Change in sleep as assessed by the Restorative Sleep Questionnaire (RSQ) which has 9 items scaled from 1-5. Higher total scores indicate a more restorative sleep.
Change in stress and mood as assessed by The Depression, Anxiety Stress Scale -21 (DASS-21)Baseline prior to commencement of study product, Week 4 and Week 8Change in stress as assessed by DASS-21 - A set of three self-reported scales to measure emotional states of depression, anxiety and stress. Each scale contains 7 items.

Countries

Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026