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NCT06565663

MaPGAS Decision Making

Enrolling by Invitation
NAAges 18+Interventional
Dartmouth-Hitchcock Medical Center
~140 participants
Updated 2026-03-23 on ClinicalTrials.gov
What's tested:MaPGAS Decision Aid

At a glance

Recruiting sites
0 of 2 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Decisional Conflict Scale (DCS) Score Change
Measured over Baseline (within 1-2 weeks prior to using the decision aid) and follow-up (immediately after decision aid use, approximately 2-4 weeks later).
+1 more outcome measured

Conditions

Gender Dysphoria
Gender Dysphoria, Adult
Gender Incongruence
Transgenderism
Transsexualism
Transgender Persons
Phalloplasty

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Gender Dysphoria

Where it's being run

2 sites across 2 states
New Hampshire1
Utah1

Study leadership

  • Rachel A. Moses, MD, MPH · PRINCIPAL_INVESTIGATOR · Dartmouth-Hitchcock Clinic

Who to contact

This trial hasn't published a contact. View it on ClinicalTrials.gov

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Eligibility criteria

Inclusion

Assigned female on the original birth certificate.
Self-identifies as transgender male and/or gender non-binary.
Able to speak, read, and understand English at a sixth-grade level.
Aged 18 or older.
Resides in the USA.
For decision aid refinement: Considering metoidioplasty or phalloplasty, or is post-operative.
For intervention and control arm: Has a consultation scheduled for metoidioplasty or phalloplasty.

Exclusion

Participants involved in the initial tool refinement focus groups cannot participate in the intervention or control group to avoid contamination of the study outcomes.

What this trial measures

  • Decisional Conflict Scale (DCS) Score ChangeBaseline (within 1-2 weeks prior to using the decision aid) and follow-up (immediately after decision aid use, approximately 2-4 weeks later).

    The Decisional Conflict Scale (DCS) is used to measure personal perceptions of uncertainty in choosing options, factors contributing to uncertainty such as feeling uninformed, unclear about personal values, and unsupported in decision making, and perceived effectiveness of decision making. A change in DCS scores from baseline (pre-decision aid exposure) to post-decision aid exposure will be assessed to determine the impact of the decision aid on reducing decisional conflict. Scores range from 0 \[no decisional conflict\] to 100 \[extremely high decisional conflict\].

  • Preparation for Decision Making (PrepDM) Scale Score ChangeBaseline (within 1-2 weeks prior to using the decision aid) and follow-up (immediately after decision aid use, approximately 2-4 weeks later).

    The Preparation for Decision Making (PrepDM) scale assesses a patient's perception of how useful a health-related decision aid is in preparing them to make a health decision. It evaluates the perceived helpfulness of the decision aid in understanding treatment options, clarifying personal values for the decision, and feeling prepared to talk with their health provider about the decision. The change in PrepDM scores before and after decision aid exposure indicates the aid's efficacy in improving decision readiness. Higher scores indicate higher perceived level of preparation for decision making.