Trial · NCT05490381
Preoperative Embolization of Hypervascular Head and Neck Tumors to Improve Surgical Outcomes
NCT05490381, Phase 1, Withdrawn, University of Washington
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Preoperative Embolization of Hypervascular Head and Neck Tumors to Improve Surgical Outcomes. Trials, record NCT05490381. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT05490381
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Preoperative Embolization of Hypervascular Head and Neck Tumors to Improve Surgical Outcomes
- NCT number
- NCT05490381
- Status
- Withdrawn
- Phases
- Phase 1
- Enrollment
- 0 participants, actual
- Lead sponsor
- University of Washington
- Conditions
- Malignant Neoplasm in the Head and Neck, Metastatic Malignant Neoplasm in the Head and Neck
- Interventions
- Iodixanol, Angiogram, Arterial Embolization, Polyvinyl Alcohol, Ethiodized Oil, Computed Tomography, Chart Abstraction
- First posted
- 2022-08-05
- Last updated
- 2023-12-12
Source ClinicalTrials.gov
Registered outcomes5
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Intraoperative blood loss | Intraoperatively | Defined as the volume of blood lost (mL) from skin incision to skin closure. |
| Secondary | Perioperative blood transfusion volume | Intraoperatively and until 48 hours postoperatively | Defined as the volume (mL) of packed red blood cells infused. |
| Secondary | Surgical procedure time | Time (minutes) from skin incision to skin closure | Defined as the amount of time (minutes) from skin incision to skin closure. |
| Secondary | Success of embolization | Directly after the embolization | Defined as percent reduction in vascular blush from tumor supply vessels on catheter angiogram. |
| Secondary | Adverse events (AE) related to angiography or embolization | Directly after embolization and for 24 hours post-embolization | Defined as neurological deficit(s) on clinical examination. |
Source ClinicalTrials.gov
Outcomes0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
None in this release.
Results by group0
Each measurement the trial posted, group by group, in the words and numbers it posted.
None in this release.
Participant flow0
How many started, completed or left each group, period by period.
None in this release.
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals0
The totals the trial posted for each group.
None in this release.
Papers0
The papers the trial lists on ClinicalTrials.gov.
None in this release.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT05490381
GET https://conductscience.org/api/trials/v1/NCT05490381/registered