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

NCT03262818 · ClinicalTrials.gov registry record · Phase 1

Transvaginal Ultrasound and Photoacoustic Imaging of the Ovary

A Phase 1 study, sponsored by Washington University School of Medicine.

Completed
Registry status
Phase 1
Development phase
40
Enrollment target

NCT03262818: Completed Phase 1 study, sponsored by Washington University School of Medicine.

NCT03262818 is a Phase 1 study that has completed, run by Washington University School of Medicine. The registered enrollment target is 40 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (33% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT03262818, a Phase 1 study, has completed, sponsored by Washington University School of Medicine.

COMPLETED
Registry status
Phase 1
Development phase
40 participants
Enrollment target

Study Summary

The investigators have developed co-registered photoacoustic and ultrasound (US) imaging technique that allows the investigators to visualize tumor structure and functional changes simultaneously, which may potentially reveal early tumor angiogenesis development that is not available by US alone. The ability to detect early angiogenesis changes, as well as tumor morphology changes in the ovary, using a non-invasive imaging modality will greatly enhance the care for women.

Primary Outcome

-The transvaginal US will be performed by US technologists or radiologists at the Radiology Department and images will be read by one of the study radiologists either Dr. Cary Siegel or Dr. Kathryn Robinson of the Radiology Department. The reading will be categorized as normal, suspicious or highly suspicious. The scores will serve as a baseline comparison of US/PAI technique with the current clinical practice using US. Immediately after the transvaginal US, US/PAI imaging will be performed with

Interventions

  • DEVICE Transvaginal ultrasound
  • DEVICE Ultrasound/Photoacoustic imaging

Trial Details

FieldValue
Enrollment Target 40 participants
Start Date 2017-02-01
Est. Completion 2018-11-20
Phase Phase 1

What the finished NCT03262818 record still lists

NCT03262818 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 40 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (33% lower).

The record links to 0 conditions, and to 2 interventions - of which Transvaginal ultrasound is the first listed.

NCT03262818 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03262818 about?

NCT03262818 is a clinical study titled "Transvaginal Ultrasound and Photoacoustic Imaging of the Ovary". The investigators have developed co-registered photoacoustic and ultrasound (US) imaging technique that allows the investigators to visualize tumor structure and functional changes simultaneously, which may potentially reveal early tumor angiogenesis development that is not available by US alone. Th...

What is the current status of trial NCT03262818?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 40 participants. The study started on 2017-02-01. Estimated completion is 2018-11-20.

What interventions are being tested in trial NCT03262818?

The interventions under investigation include: Transvaginal ultrasound (DEVICE), Ultrasound/Photoacoustic imaging (DEVICE).

Who is sponsoring clinical trial NCT03262818?

This trial is sponsored by Washington University School of Medicine, which has 1,502 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03262818's enrollment target sits among peer trials

40 1130th of 2000 higher than 810 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 enrollment target

  • NCT01306019 · 40 participants · Phase 1

    Lentiviral Gene Transfer for Treatment of Children Older Than Two Years of Age With X-Linked Severe Combined Immunodeficiency (XSCID)

  • NCT01608152 · 40 participants

    Development of a Video Game for the Improvement of Outcomes in Stem Cell Transplant Survivors

  • NCT01668082 · 40 participants · NA

    An Investigation of Brain Tumor Metabolism in Patients Undergoing Surgical Resection

  • NCT02015013 · 40 participants · Phase 2

    Hematopoietic Stem Cell Mobilization in Idiopathic CD4 Lymphocytopenia Patients and Healthy Controls for the Study of T Cell Maturation and Trafficking in Murine Models

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 NCT03262818, the US trial registry maintained by the National Library of Medicine. NCT03262818 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.