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NCT07511088 · PLT Health Solutions

Decentralized Study to Evaluate a Dietary Supplement for Episodes of Mild Acute Stress in Healthy People

What this study is about

The purpose of this decentralized, two-treatment group$1, double-blinded, crossover clinical study is to test the effectiveness of a supplement to reduce symptoms of acute stress or situational anxiety in healthy volunteers. The main questions it aims to answer are: 1.

View original scientific description

The purpose of this decentralized, two-arm, double-blinded, crossover clinical study is to test the efficacy of a supplement to reduce symptoms of acute stress or situational anxiety in healthy volunteers. The main questions it aims to answer are: 1. Does a dietary supplement reduce feelings of anxiety after self-identified episodes of stress or anxiety when compared to their experience after taking a placebo? 2. On a scale of 1-5, how much would the volunteer like to take the assigned treatment in the future? 3. Are any adverse events identified after either treatment, supplement, or placebo? The study volunteers will: During weeks 1-2, self-identify episodes of acute stress or situational anxiety and rate feelings of anxiety over the next five hours after taking the study product assigned for Period 1. During week 3, volunteers will not take any study product nor complete any surveys. During weeks 4-5, self-identify an episode of acute stress or situational anxiety and rate feelings of anxiety over the next five hours after taking the study product assigned for Period 2.

Interventions

DIETARY_SUPPLEMENT

Botanical extract for anxiety

Capsule containing botanical extracts is self-administered by mouth, taken as needed once per day.

DIETARY_SUPPLEMENT

Placebo capsule

Capsule containing inert excipients only

Primary outcome measures

Visual Analog Scale Score

Time frame: 30 minutes after intervention administration

Change in anxiety VAS score

Visual Analog Scale Score

Time frame: 60 minutes after intervention administration

Change in anxiety VAS score

Visual Analog Scale Score

Time frame: 120 minutes after intervention administration

Change in anxiety VAS score

Who can participate

This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.

Inclusion criteria

  • Female and male subjects aged \>18 and \<60 years.
  • Self-reported experience of episodic stress or situational anxiety of ≥1 x per week.
  • Score of ≥ 40 on a self-assessment of typical anxiety on a Visual Analog Scale where 0 represents "not stressed or anxious" and 100 represents "extremely stressed or anxious."
  • Score of ≥ 20 on the Positive Reactivity component of the Perth Emotional Reactivity Scale- Short Form (PERS-S).
  • Ability to complete surveys on the Alethios digital platform.
  • Subject is only taking well-established, stable doses of prescription and non-prescription medications that are not indicated to treat anxiety disorder.
  • Subject is in generally good health as determined by a review of self-reported medical history and in the opinion of the Principal Investigator.
  • Women of child-bearing potential must agree to use a medically approved form of birth control during the study. Acceptable methods of birth control include hormonal - oral (pill), implantable, injectable (shot), ring, or transdermal (patch) contraceptives; mechanical - spermicide in conjunction with a barrier such as a diaphragm or condom; or an intra-uterine device (IUD.
  • Subject agrees to abstain from cannabis use for the duration of the study period
  • Subject agrees to maintain current dietary habits and abstain from using dietary supplements or herbal products thought to affect a sense of calming, including ashwagandha, L-theanine, or St. John's Wort, for the duration of the study period.
  • Individual is aware of the procedures and agrees to participate in the study.
  • Participant understands and is willing to sign an Informed eConsent in conformance with 21 CFR Part 50: "Protection of Human Participants."

Exclusion criteria

  • Score of \> 9 on the Patient Health Questionnaire (PHQ-9) or any response \> 0 on question 9 of the PHQ-9.
  • Score \> 24 on the Hamilton Anxiety Scale (HAM-A).
  • History of severe psychiatric or medical conditions that would interfere with participation.
  • Use of \>14 alcoholic drinks per week.
  • Subject is a regular cannabis user, as defined as equal to or greater than 2 times per week over the prior 6 weeks.
  • Individuals with a history of drug abuse or dependence within the past 6 months.
  • Changes to medication treatment for any health condition within the prior 3 months.
  • Use of any prescription medication for anxiety.
  • Any diagnosis of a mental health condition in the prior 3 months.
  • Unstable medical conditions.
  • Known hypersensitivity to study product.
  • Participant is pregnant, planning to become pregnant, or breastfeeding.
  • Pregnant or lactating women or women of child-bearing potential unwilling to use a medically approved form of birth control.
  • Inability to comply with digital study requirements.
  • Participation in a clinical study within 30 days prior to randomization

Where

  • San Francisco, California

Related conditions & keywords

Situational Anxietyacute stressdietary supplementdecentralized study

Frequently asked questions

What is a clinical trial?

A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.

Is it safe to participate?

Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.

Will I be compensated?

Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.

Will I receive a placebo instead of treatment?

When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.

Can I leave a trial if I change my mind?

Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.

How long does a clinical trial last?

Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.

Data: ClinicalTrials.gov · synced Apr 6, 2026 · Source of record for eligibility and locations

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See if this study fits

A short prescreen based on this study's listed criteria. A coordinator confirms eligibility — this is not a medical assessment.

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Study locations

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Virtual Participation

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Remote participation via telemedicine and home visits

RECRUITING

San Francisco

California

Location available

Express your interest

Share your contact details and a study coordinator can follow up about screening.

Secure & Confidential

Your information is protected and will only be shared with the research team.

What participation can include

  • Study-related care provided by the research team
  • Close monitoring by medical professionals
  • Possible compensation for time and travel*
  • The option to withdraw at any time
  • Contributing to medical research that may help future patients

*Compensation varies by study. Confirm details with coordinator.

Typical next steps

  1. 1.Submit this form
  2. 2.Phone screening
  3. 3.In-person assessment if eligible
  4. 4.Begin participation

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Looking for Situational Anxiety Treatment in San Francisco?

Join others in California exploring innovative treatment options through clinical research

Situational Anxiety Treatment Options in San Francisco, California

If you're searching for Situational Anxiety treatment in San Francisco, participating in a clinical research study may provide access to innovative approaches under expert medical supervision. This study is actively recruiting participants in San Francisco and surrounding areas.

Clinical trials offer participants the opportunity to receive cutting-edge treatments while contributing to medical research that may help future patients with Situational Anxiety. All study-related care is provided at no cost to participants.

Local Sites
1 locations in California
Now Enrolling
Up to 250 participants
Quick Start
Screening available now

Why Consider a Clinical Trial for Situational Anxiety?

Potential Benefits

  • Access to new treatment approaches before public availability
  • Close monitoring by experienced medical professionals
  • Study-related care provided at no cost
  • Contribute to medical research for Situational Anxiety

What to Expect

  • Initial screening to determine eligibility
  • Regular check-ups and monitoring visits
  • Possible compensation for time and travel
  • You can withdraw at any time

Frequently Asked Questions About This Situational Anxiety Study

Important Clinical Trial Information

This information is provided for educational purposes and does not constitute medical advice. Clinical trial participation involves potential risks and benefits. Eligibility requirements apply and will be assessed during the screening process.

Study identifier: NCT07511088. For complete study details, visit ClinicalTrials.gov. Always consult with your healthcare provider before making decisions about your medical care or participating in clinical research.