Trial Outcomes & Findings for The Effect of Deep Versus Moderate Muscle Relaxants in Men During and After Robotic Surgery for Prostate Cancer (NCT NCT03808077)

NCT ID: NCT03808077

Last Updated: 2026-03-09

Results Overview

Measured by continuous Intra-abdominal Pressure monitor in mmHg.

Recruitment status

ACTIVE_NOT_RECRUITING

Study phase

PHASE2

Target enrollment

139 participants

Primary outcome timeframe

6 hours post operation

Results posted on

2026-03-09

Participant Flow

Participant milestones

Participant milestones
Measure
Interventional Group: Deep Neuromuscular Blockade
The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.025mg/kg/min or 1.5mg/kg/hr). Rocuronium 1.5mg/kg/hr: The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.006mg/kg/min or 0.35mg/kg/hr).
Control Group: Moderate Neuromuscular Blockade
The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.005mg/kg/min or 0.3mg/kg/hr). Rocuronium 0.3mg/kg/hr: The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.003 mg/kg/min or 0.18mg/kg/hr).
Overall Study
STARTED
72
67
Overall Study
COMPLETED
67
63
Overall Study
NOT COMPLETED
5
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Interventional Group: Deep Neuromuscular Blockade
The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.025mg/kg/min or 1.5mg/kg/hr). Rocuronium 1.5mg/kg/hr: The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.006mg/kg/min or 0.35mg/kg/hr).
Control Group: Moderate Neuromuscular Blockade
The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.005mg/kg/min or 0.3mg/kg/hr). Rocuronium 0.3mg/kg/hr: The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.003 mg/kg/min or 0.18mg/kg/hr).
Overall Study
Physician Decision
2
3
Overall Study
Withdrawal by Subject
1
0
Overall Study
Equipment Issues
2
1

Baseline Characteristics

The Effect of Deep Versus Moderate Muscle Relaxants in Men During and After Robotic Surgery for Prostate Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Interventional Group: Deep Neuromuscular Blockade
n=72 Participants
The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.025mg/kg/min or 1.5mg/kg/hr). Rocuronium 1.5mg/kg/hr: The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.006mg/kg/min or 0.35mg/kg/hr).
Control Group: Moderate Neuromuscular Blockade
n=67 Participants
The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.005mg/kg/min or 0.3mg/kg/hr). Rocuronium 0.3mg/kg/hr: The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.003 mg/kg/min or 0.18mg/kg/hr).
Total
n=139 Participants
Total of all reporting groups
Age, Continuous
63 years
n=68 Participants
63 years
n=69 Participants
63 years
n=137 Participants
Sex: Female, Male
Female
0 Participants
n=68 Participants
0 Participants
n=69 Participants
0 Participants
n=137 Participants
Sex: Female, Male
Male
72 Participants
n=68 Participants
67 Participants
n=69 Participants
139 Participants
n=137 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
n=68 Participants
5 Participants
n=69 Participants
8 Participants
n=137 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
68 Participants
n=68 Participants
59 Participants
n=69 Participants
127 Participants
n=137 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=68 Participants
3 Participants
n=69 Participants
4 Participants
n=137 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=68 Participants
0 Participants
n=69 Participants
0 Participants
n=137 Participants
Race (NIH/OMB)
Asian
1 Participants
n=68 Participants
3 Participants
n=69 Participants
4 Participants
n=137 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=68 Participants
0 Participants
n=69 Participants
0 Participants
n=137 Participants
Race (NIH/OMB)
Black or African American
11 Participants
n=68 Participants
9 Participants
n=69 Participants
20 Participants
n=137 Participants
Race (NIH/OMB)
White
60 Participants
n=68 Participants
52 Participants
n=69 Participants
112 Participants
n=137 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=68 Participants
0 Participants
n=69 Participants
0 Participants
n=137 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=68 Participants
3 Participants
n=69 Participants
3 Participants
n=137 Participants
Region of Enrollment
United States
72 Participants
n=68 Participants
67 Participants
n=69 Participants
139 Participants
n=137 Participants

PRIMARY outcome

Timeframe: 6 hours post operation

Measured by continuous Intra-abdominal Pressure monitor in mmHg.

Outcome measures

Outcome measures
Measure
Interventional Group: Deep Neuromuscular Blockade
n=72 Participants
The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.025mg/kg/min or 1.5mg/kg/hr). Rocuronium 1.5mg/kg/hr: The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.006mg/kg/min or 0.35mg/kg/hr).
Control Group: Moderate Neuromuscular Blockade
n=67 Participants
The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.005mg/kg/min or 0.3mg/kg/hr). Rocuronium 0.3mg/kg/hr: The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.003 mg/kg/min or 0.18mg/kg/hr).
Mean Difference in Intra-Abdominal Pressure (IAP) When Performing Robotic Prostatectomy in Participants Under a Moderate vs Deep Neuromuscular Blockade Technique
10.50 mmHg
Interval 8.93 to 12.71
11.41 mmHg
Interval 9.88 to 12.9

PRIMARY outcome

Timeframe: 6 hours post operation

Difference in levels of postoperative pain in participants under a moderate vs deep Neuromuscular Blockade technique during robotic prostatectomy using the pain numeric pain scale (NPS). The numeric pain scale (NPS) is a subjective measure which can be used in recovery rooms to assist in the assessment of pain. Individuals rate their pain on an eleven-point scale. The scale is composed of 0 (no pain at all) to 10 (worst imaginable pain).

Outcome measures

Outcome measures
Measure
Interventional Group: Deep Neuromuscular Blockade
n=72 Participants
The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.025mg/kg/min or 1.5mg/kg/hr). Rocuronium 1.5mg/kg/hr: The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.006mg/kg/min or 0.35mg/kg/hr).
Control Group: Moderate Neuromuscular Blockade
n=67 Participants
The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.005mg/kg/min or 0.3mg/kg/hr). Rocuronium 0.3mg/kg/hr: The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.003 mg/kg/min or 0.18mg/kg/hr).
Difference in Levels of Postoperative Pain in Participants Under a Moderate vs Deep Neuromuscular Blockade Technique During Robotic Prostatectomy Using the Pain Numeric Pain Scale (NPS).
3.25 score on a scale
Interval 1.9 to 4.14
3.41 score on a scale
Interval 2.14 to 4.94

Adverse Events

Interventional Group: Deep Neuromuscular Blockade

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Group: Moderate Neuromuscular Blockade

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Interventional Group: Deep Neuromuscular Blockade
n=72 participants at risk
The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.025mg/kg/min or 1.5mg/kg/hr). Rocuronium 1.5mg/kg/hr: The Deep NMB group (Intervention) will have rocuronium infusion titrated to deep paralysis defined as PTC of 1-2 (infusion start rate 0.006mg/kg/min or 0.35mg/kg/hr).
Control Group: Moderate Neuromuscular Blockade
n=67 participants at risk
The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.005mg/kg/min or 0.3mg/kg/hr). Rocuronium 0.3mg/kg/hr: The Moderate NMB group (Control ) will have rocuronium infusion titrated to moderate paralysis defined as TOF of 1-2 (infusion start rate 0.003 mg/kg/min or 0.18mg/kg/hr).
Gastrointestinal disorders
Small intestinal obstruction
1.4%
1/72 • 1 year
0.00%
0/67 • 1 year

Other adverse events

Adverse event data not reported

Additional Information

Dr. Elizabeth Rieth, MD

Memorial Sloan Kettering Cancer Center

Phone: 212-639-5737

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place