Evidence map›Paper›PMID 41133152›Full record

ArticleFrontiers in medicine2025

Transcutaneous auricular neurostimulation to reduce heavy menstrual bleeding in women with and without von Willebrand disease.

Christopher J Czura, Angela C Weyand, Maureen K Baldwin, Michael Recht, Melanie A McWade, Alejandro Covalin, Navid Khodaparast

Registry-linked trialAbstract read
In one paragraph

Article in Frontiers in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06064851 (Delivering Transcutaneous Auricular Neurostimulation to Reduce Heavy Menstrual Bleeding in Patients With and Without Von Willebrand Disease), which is not on this map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06064851 nacompletednot on this map

Delivering Transcutaneous Auricular Neurostimulation to Reduce Heavy Menstrual Bleeding in Patients With and Without Von Willebrand Disease

TypeinterventionalSponsorFive Liters, Inc.Ran2023 to 2025Enrolled29ConditionsVon Willebrand Disease, Type 1, Heavy Menstrual BleedingArmsVolta System
3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Christopher J CzuraSpark Biomedical, Inc., Dallas, TX, United States.
Angela C WeyandDepartment of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States.
Maureen K BaldwinDepartment of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR, United States.
Michael RechtYale Center for Bleeding and Clotting Disorders, Yale School of Medicine, New Haven, CT, United States.
Melanie A McWadeSpark Biomedical, Inc., Dallas, TX, United States.
Alejandro CovalinSpark Biomedical, Inc., Dallas, TX, United States.
Navid KhodaparastSpark Biomedical, Inc., Dallas, TX, United States.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Prior studies have revealed that electrical stimulation of the vagus nerve modifies platelet phenotype and reduces blood loss in preclinical models of soft tissue injury. This pilot trial (NCT06064851) sought to determine whether the use of a wearable transcutaneous auricular neurostimulation (tAN) device targeting both the vagus and trigeminal nerve branches correlated with reduced menstrual blood loss in participants with or without von Willebrand disease (VWD). Participants with qualified heavy menstrual bleeding (HMB) gave informed consent to participate in an IRB-approved, decentralized, open-label pilot trial. Participants were followed for two consecutive menstrual cycles. During the baseline menstruation, participants estimated daily blood loss using a validated pictorial blood loss assessment chart (PBAC). During the treatment menstruation, participants self-administered two daily 1-h sessions of tAN daily throughout menstruation and estimated daily blood loss with the PBAC. The PBAC was also used to calculate duration of each menstruation. Student's paired

Indexed as

clinical trialdysmenorrheaheavy menstrual bleedingmenstrual symptomsneuromodulationpictorial blood assessment chartvagus nerve

Identifiers

PMID41133152
PMCPMC12540315

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.