Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 18 and up Women only

Using the Alma System to treat severe bleeding after childbirth

Official title: Pivotal Clinical Study to Evaluate the Safety and Effectiveness of the Alma System in Treating Abnormal Postpartum utErine Bleeding or Hemorrhage

Run by ResQ Medical Ltd · NCT06646653 · Data updated 2026-11-12

This study is testing whether the Alma System can safely and effectively stop severe bleeding after childbirth in women who have experienced postpartum hemorrhage.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexWomen only
Enrollment50 (estimated)
SponsorResQ Medical Ltd
Academic / other
Locations2 sites (Brooklyn, New York and 1 other locations)
StatusRecruiting
StartedJanuary 11, 2026
Main results expectedJanuary 2027
Study endsApril 2027
Registry record updatedMarch 30, 2026
Trial IDNCT06646653 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adult females who have experienced postpartum hemorrhage and have not responded to first-line treatments.

Probably not a fit

Patients who have lost excessive blood beyond the study's thresholds or those with certain blood coagulation disorders may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial evaluates the feasibility of the Alma System in treating primary postpartum hemorrhage (PPH) in women. The study involves 10 subjects who have experienced PPH, focusing on the safety and effectiveness of the Alma System in rapidly reducing or stopping bleeding caused by uterine atony. Key objectives include assessing the absence of serious adverse events, potential damage to reproductive organs, and the system's ability to effectively contract the uterus and reduce blood loss. The trial is conducted under strict ethical oversight to ensure participant safety.

Why it matters

Potential benefit: If successful, this approach could provide a new, effective method for managing severe postpartum hemorrhage, potentially saving lives.

How similar studies have gone: While this approach is novel, similar interventions for managing postpartum hemorrhage have shown promise in other studies.

Who can join: the full rules

Show full inclusion / exclusion criteria
1. Adult Female, 18 years of age or older at time of consent.
2. Able to understand and provide informed consent to participate in the study.
3. Diagnosis of abnormal postpartum uterine bleeding or hemorrhage with suspected atony within 24 hours after vaginal or c-section delivery.
4. EBL, determined when investigator is ready to have the Alma peel pack opened:

   Vaginal delivery: 500 - 1500 ml EBL or C-section delivery 1000 - 1500 ml EBL
5. Failed first-line intervention of uterotonics and uterine massage/bimanual uterine massage to stop bleeding.

Note: Uterotonic administration may continue concomitantly with and post Alma use, as long as such use does not exceed the maximum dose of the drug 10.3.2 Exclusion Criteria

1. EBL \>1500ml, to be determined when investigator is ready to have the Alma peel pack opened.
2. Delivery at a gestational age \< 34 weeks.
3. For Cesarean-sections birth: Cervix \< 3 cm dilated before use of Alma.
4. PPH that the investigator determines to require more aggressive treatment, including any of the following:

   1. hysterectomy;
   2. b-lynch suture;
   3. uterine artery embolization or ligation;
   4. hypogastric ligation.
5. Known uterine anomaly.
6. Ongoing intrauterine pregnancy.
7. Placenta abnormality including any of the following:

   1. known placenta accreta;
   2. retained placenta with known risk factors for placenta accreta (e.g. history of prior uterine surgery, including prior c-section and placenta previa);
   3. retained placenta without easy manual removal.
8. Known uterine rupture.
9. Unresolved uterine inversion.
10. Subject has undergone intrauterine balloon therapy or uterine packing or use of other negative pressure system(s) for tamponade treatment of this PPH prior to use of Alma.
11. Current cervical cancer.
12. Current purulent infection of vagina, cervix, uterus.
13. Diagnosis of coagulopathy.

Where it's running

  • Shaare Zedek Medical Center
    Jerusalem, Israel
    Recruiting
  • Maimonides Medical Center | Brooklyn, New York Hospital
    Brooklyn, New York, United States
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.