One pill to stop breast pain after pregnancy loss: new study shows promise
NCT ID NCT06029673
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a single dose of cabergoline can prevent breast pain, engorgement, and milk leakage in people who had an abortion or pregnancy loss between 16 and 20 weeks. 69 participants were randomly assigned to receive cabergoline or a placebo. The goal was to see if the drug could reduce physical and emotional distress from breast symptoms.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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69 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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Jul 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Pregnant people, ages 18 years or older * Intrauterine pregnancy between 16/0-19/6 weeks of gestation age (by ultrasound dating performed prior to or same day of enrollment visit) * Consented for an induced, elective abortion or undergoing management of fetal demise * English or Spanish speaking * Able to consent for a research study, literate in English or Spanish * Willing to comply with study procedures and follow-up * Access to smart phone throughout study Exclusion Criteria: 18 Years Female No No Inclusion Criteria: * Pregnant people, ages 18 years or older * Intrauterine pregnancy between 18/0-28/0 weeks of gestation age (by ultrasound dating performed prior to or same day of enrollment visit) * Consented for an induced, elective abortion or undergoing induction for demise * English or Spanish speaking * Able to consent for a research study, literate in English or Spanish * Willing to comply with study procedures and follow-up * Access to smart phone throughout study Exclusion Criteria: * Prior mastectomy (breast reduction or chest masculinization surgery acceptable) * Currently breastfeeding * Currently receiving dopamine agonist or antagonist therapy for other indication leg syndrome) * Contraindication to cabergoline (as per package insert) * Uncontrolled hypertension - defined as baseline BP \> 160/110, or chronic hypertension requiring more than one baseline medication, or current pregnancy-induced hypertension spectrum disorders (gestational hypertension, preeclampsia, eclampsia) * History of cardiac valvular disorders or valvular repair * History of pulmonary, pericardial, or retroperitoneal fibrotic disorders
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Planned Parenthood - San Jose Central Health Center
San Jose, California, 95126, United States
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Stanford University
Stanford, California, 94305, United States
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Other studies related to the condition(s) this trial covers.