Trial · NCT05702944
The Effect and Safety of Omitting Preoperative Alpha-adrenergic Blockade for Normotensive Pheochromocytoma
NCT05702944, Phase 4, Recruiting, Seoul National University Hospital
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. The Effect and Safety of Omitting Preoperative Alpha-adrenergic Blockade for Normotensive Pheochromocytoma. Trials, record NCT05702944. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT05702944
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- The Effect and Safety of Omitting Preoperative Alpha-adrenergic Blockade for Normotensive Pheochromocytoma
- NCT number
- NCT05702944
- Status
- Recruiting
- Phases
- Phase 4
- Enrollment
- 24 participants, estimated
- Lead sponsor
- Seoul National University Hospital
- Conditions
- Pheochromocytoma, Paraganglioma, Adrenalectomy; Status, Adrenergics Causing Adverse Effects in Therapeutic Use
- Interventions
- Phenoxybenzamine
- First posted
- 2023-01-27
- Last updated
- 2025-06-12
Source ClinicalTrials.gov
Registered outcomes4
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | The effect and safety of omitting preoperative alpha blockade during surgery | during surgery | Percentage of time during the surgery with systolic blood pressure \> 160mmHg or average blood pressure \< 60mmHg |
| Secondary | The effect and safety of omitting preoperative alpha blockade during surgery | during surgery | 1. Percentage of the surgery time greater than 100 times per pulse minute 2. Average systolic/diastolic blood pressure in millimeters of mercury and pulse in beats each minutes during surgery 3. Types and amount of antihypertensive drugs in mg per day during surgery 4. Types and amount of vasopressor drugs in mg per day during surgery |
| Secondary | The effect and safety of omitting preoperative alpha blockade before surgery | 3 days, 2 days, 1 day before surgery | 1. The number of times systolic blood pressure more than 130 mmHg and diastolic blood pressure more than 80mmHg in the preoperative ward 2. The number of times of pulse rate per minute more than 80 times in the preoperative ward |
| Secondary | The effect and safety of omitting preoperative alpha blockade after surgery | 1 day, 2 day, 2 weeks, 3 months after surgery | 1. The number of times of average blood pressure less than 60mmHg in postoperative ward 2. Average blood pressure in postoperative ward 3. Types and amount of antihypertensive drugs in mg per day after surgery 4. Types and amount of vasopressor drugs in mg per day after surgery |
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.
Papers15
The papers the trial lists on ClinicalTrials.gov.
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/NCT05702944
GET https://conductscience.org/api/trials/v1/NCT05702944/registered