Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 5:00 AM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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Conditions
Sexual Satisfaction, Sexual Function
Interventions
Spark Placebo Control Form 1, Spark Active Study Product 1.1 Usage, Spark Placebo Control Form 2, Spark Active Study Product 2.1 Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years · Male only
Enrollment
1,202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Del Mar, California
Conditions
Opioid-use Disorder, Opioid Withdrawal
Interventions
Sparrow Ascent Therapy System, Lofexidine, Extended-release injectable naltrexone
Device · Drug
Lead sponsor
Spark Biomedical, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
4
States / cities
Rancho Mirage, California • Crownsville, Maryland • Center City, Minnesota + 1 more