Clinical trial Recruiting at 1 site Interventional Ages 18 to 45 Women only

Oral estradiol to reduce intrusive memories after trauma film

Official title: The Effect of Estradiol on the Acquisition and Consolidation of Trauma-Associated Memories

Run by Charite University, Berlin, Germany · NCT07419594 · Data updated 2026-11-12

This trial will test whether a single 3 mg dose of oral estradiol valerate reduces intrusive memories in healthy adult women after viewing a trauma film.

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Quick facts

Study typeInterventional
Ages18 Years to 45 Years
SexWomen only
Enrollment273 (estimated)
SponsorCharite University, Berlin, Germany
Academic / other
Locations1 site (Berlin, State of Berlin)
StatusRecruiting
StartedAugust 19, 2024
Main results expectedDecember 31, 2027
Study endsFebruary 29, 2028
Registry record updatedFebruary 19, 2026
Trial IDNCT07419594 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are healthy adult women who speak German at a B1 level, are not pregnant or lactating, are medication-free (including no oral contraceptives), have no current or past DSM-5 diagnoses or prior traumatic experiences, and can attend in-person sessions in Berlin.

Probably not a fit

People with existing PTSD or other psychiatric disorders, a history of trauma, men, those taking oral contraceptives or other medications, pregnant or breastfeeding people, and those unable to attend in-person visits in Berlin are unlikely to benefit from this trial.

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

What this trial studies

Researchers will use a well-established stress-film paradigm to induce intrusive symptoms in healthy female volunteers. In a double-blind, placebo-controlled design participants receive either 3 mg oral estradiol valerate or placebo around film exposure and record intrusive memories for four days afterwards. Key eligibility rules exclude anyone with current or past DSM-5 psychiatric disorders, physical illnesses, medication use (including oral contraceptives), prior traumatic experiences, pregnancy, lactation, or being in the follicular phase, and participants must speak German at a B1 level. The primary outcome is the number of intrusive memories reported in the four days following the experimental trauma.

Why it matters

Potential benefit: If successful, this approach could point to a simple pharmacological way to reduce early intrusive memories and help prevent PTSD after trauma.

How similar studies have gone: Animal and laboratory studies indicate sex hormones can influence memory consolidation and fear-related memories, but randomized human trials of oral estradiol to prevent intrusive memories after trauma exposure are limited and this application is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* healthy female volunteers
* German on B1 level

Exclusion Criteria:

* former or present disorder according to the Diagnostic and Statistical Manual of Mental Disorders 5 (DSM-5)
* any physical illnesses
* any medication intake (except oral contraceptive)
* history of traumatic experience, e.g. history of sexual abuse or rape
* pregnancy or lactation period
* intake of oral contraceptives
* follicular phase of menstrual cycle

Where it's running

  • Charité - Universitätsmedizin Berlin
    Berlin, State of Berlin, Germany
    Recruiting

Study contacts

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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.