Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT05428215 · ClinicalTrials.gov registry record · Phase 4

Comparison of PKs of 17-Beta-Estradiol Via Sublingual Placement Versus Swallowing in Male-to-Female Transgender Patients

A Phase 4 study, sponsored by MaineHealth.

Terminated
Registry status
Phase 4
Development phase
2
Enrollment target

NCT05428215: Clinical Trial Phase 4 study, sponsored by MaineHealth.

NCT05428215 is a Phase 4 study that was terminated before completion, run by MaineHealth. The registered enrollment target is 2 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (100% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05428215, a Phase 4 study, was terminated before completion, sponsored by MaineHealth.

TERMINATED
Registry status
Phase 4
Development phase
2 participants
Enrollment target

Study Summary

This crossover study will investigate the pharmacokinetics of oral versus sublingual administration of 17-beta-estradiol in the trans-female population.

Primary Outcome

Mean area under the curve of estradiol

Interventions

  • DRUG 17beta Estradiol

Trial Details

FieldValue
Enrollment Target 2 participants
Start Date 2022-12-29
Est. Completion 2023-07-20
Phase Phase 4
MaineHealth

26 total trials

Why NCT05428215 stopped before completion

NCT05428215 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 2 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (100% lower).

The record links to 0 conditions, and to 1 intervention - of which 17beta Estradiol is the first listed.

NCT05428215 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05428215 about?

NCT05428215 is a clinical study titled "Comparison of PKs of 17-Beta-Estradiol Via Sublingual Placement Versus Swallowing in Male-to-Female Transgender Patients". This crossover study will investigate the pharmacokinetics of oral versus sublingual administration of 17-beta-estradiol in the trans-female population.

What is the current status of trial NCT05428215?

This trial is currently terminated. It is a Phase 4 study. The enrollment target is 2 participants. The study started on 2022-12-29. Estimated completion is 2023-07-20.

What interventions are being tested in trial NCT05428215?

The interventions under investigation include: 17beta Estradiol (DRUG).

Who is sponsoring clinical trial NCT05428215?

This trial is sponsored by MaineHealth, which has 26 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05428215's enrollment target sits among peer trials

2 1998th of 2000 higher than 1 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT05428215, the US trial registry maintained by the National Library of Medicine. NCT05428215 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.