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Enrolling women ages 14-45 with heavy menstrual bleeding for research using a wearable investigational medical device to help reduce uncomfortable menstrual symptoms. Seeking women 14-45 with heavy periods of no known structural cause. After a 2-month baseline, wear the investigational device during periods at home for 3 months, complete brief daily surveys, with compensation up to $400 for your time and pads/tampons provided for the duration of the study.
At home:
Participants can receive up to $400 for completing all study visits. Tampons and pads will be provided to you at no cost during your enrollment.
Currently enrolling up to 88 participants across the U.S. The total study duration is about 5 months.
From home virtually across continental US

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A clinical trial is a research study that helps develop and test new medical treatments, devices, or tests to determine if they are safe and effective. This study evaluates the effect of transcutaneous auricular neurostimulation on reducing menstrual blood loss in women and girls. The investigational study device is a small transcutaneous auricular neurostimulator that stimulates nerves around your ear by delivering mild electrical stimulation through the skin. Your participation provides data to help evaluate the device.
Spark Biomedical Inc. is the sponsor of this study. Spark Biomedical is a medical device company, looking to provide safe, effective alternatives to traditional therapies in areas like women’s health. In this research, Spark Biomedical Inc. is evaluating the effect of transcutaneous auricular neurostimulation on reducing menstrual blood loss in women and girls.
Lindus Health is a contract research organization that manages clinical trials. The team coordinates study recruitment, site and virtual operations, and data collection, which may involve virtual enrollment, medical record collection, and survey completion.
Heavy menstrual bleeding affects approximately 20% of women of reproductive age in the United States. Research in this area is essential to explore whether new approaches can help women better manage heavy menstrual bleeding symptoms and reduce the impact on their daily activities and well-being.
All online surveys for this study will be collected through a HIPAA-compliant vendor. All video call visits will take place using a HIPAA-compliant teleconference platform. We may publish the results of this research; however, we will keep your name and other identifying information confidential.
If 18 or older, when you enroll, you'll sign an authorization allowing the study team to request records from your healthcare provider(s). If 14-17, when enrolled, the caregiver will sign authorization allowing the study team to request records from your healthcare provider(s).
Yes, at any time without penalty or effect on your medical care.