ClinicalTrials.gg
CompletedNCT03387189Updated Nov 21, 2024Results posted

Evaluation of a Quality Improvement Project on Impacted Fetal Head at Cesarean Section

An observational study in Obstetric Labor Complications and Cesarean Section, sponsored by HealthPartners Institute. Completed at 1 site in United States. Per ClinicalTrials.gov, last updated 2024-11-21.

Sponsored by HealthPartners Institute · Observational

Study type
Observational
Model
Cohort
Time perspective
Other
Enrollment
409
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 26 studies in Obstetric Labor Complications with a site in United States — 9 open to participants now, 9 under way, none of them phase 3. Obstetric Labor Complications · United States.

Started
2018
with 1 other
Observational
6 of 26
1 open now
Registered
8th of 26
by date

Among the 26 studies in Obstetric Labor Complications with a site in United States, this one is one of 2 that started in 2018, is one of 6 observational ones, and was the 8th registered.

Obstetric Labor Complications

88 studies on the registry are indexed under Obstetric Labor Complications; 24 are open to participants now.

Browse Obstetric Labor Complications studies →

Open to participants now

9 of the 26 studies in Obstetric Labor Complications with a site in United States are open now. Recruiting first, the newest first:

4 more — sign in →

All 9 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 18 Obstetric Labor Complications studies recruiting now, 7 (39%) set no upper age limit and 9 (50%) stop at 75 or younger; 4 take children under 18; 11 take healthy volunteers.

This study: all sexes.

The full table on the hub →

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02

Study summary

This study is an evaluation of a Quality Improvement (QI) project addressing delivery of the impacted fetal head being conducted at Regions Hospital. This study aims to determine the morbidity of second stage cesarean deliveries before and after implementation of simulation protocols that address delivery of the impacted fetal head for Ob/gyn surgeons, nursing staff, and surgical technicians at Regions Hospital.

Read the detailed description

Cesarean deliveries performed during the second stage of labor can be difficult due to impaction of the fetal head deep in the maternal pelvis and is associated with increased risk of both maternal and perinatal complications. There is little existing data to inform management of deeply impacted fetal heads, therefore these situations can be difficult for surgeons and other healthcare staff when they arise. Team simulations for obstetric emergencies have been shown to assist with provider comfort, improved clarity of thinking, and quicker action during emergency situations resulting in improved outcomes.

This study aims to show that a simulation education project for the entire obstetric team can decrease morbidity of difficult fetal head extraction associated with second stage cesarean deliveries and improve provider and nursing staff confidence regarding anticipation and management of this emergency. The simulation education project is not being conducted for the purpose of research, but is a department-wide educational activity and Quality Improvement project.

03

Conditions studied

  • Obstetric Labor Complications
  • Cesarean Section
04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Sampling method
Non-probability sample

Study population

  1. Patients who underwent cesarean section during the second stage of labor and their infants.
  2. Medical staff who participated in the simulation-based educational training on impacted fetal head at cesarean section as part of the QI project.

    .

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

Patient: The patient study population includes all patients age 18-45 who underwent cesarean section during the second stage of labor (during the time period July 2016-June 2019 at Regions Hospital and Methodist Hospital) and their infants. Second stage is defined as the time between complete cervical dilation and delivery of the infant.

Medical staff: All staff members (staff physicians, residents, nurses, surgical technicians) at Regions Hospital who practice in the Birth Center who underwent required simulation education regarding delivery of impacted fetal heads during second stage cesarean section and completed the surveys as part of the QI project. Note: Medical staff were not enrolled in the research study; rather, staff survey data from the QI project was a data source for the study.

Exclusion criteria

Exclusion Criteria:

Patient: Exclusion criteria include patients who underwent cesarean section in second stage for malpresentations (i.e., breech and noncephalic presentations) and patients who underwent cesarean section prior to 37 weeks gestation.

Medical staff: No exclusion criteria

05

Study design

Observational model
Cohort
Time perspective
Other
Enrollment
409 participants (actual)
Patient registry
No

Groups and cohorts

  • Quality Improvement Project (Pre-Period)

    Quality Improvement Project: Pre-Period (7/1/2016 to 12/31/2017) Patients received care at the intervention hospital in the 18 months before providers participated in the department-wide, simulation-based educational training.

  • No Quality Improvement Project (Pre-Period)

    No Quality Improvement Project: Pre-Period (7/1/2016 to 12/31/2017) Patients received care at the comparison hospital where no quality improvement educational training had occurred.

  • Quality Improvement Project (Post-Period)

    Quality Improvement Project: Post-Period (1/1/2018 to 6/30/2019) Patients received care at the intervention hospital in the 18 months after providers participated in the department-wide, simulation-based educational training.

    Other: Quality Improvement Project

  • No Quality Improvement Project (Post-Period)

    No Quality Improvement Project: Post-Period (1/1/2018 to 6/30/2019) Patients received care at the comparison hospital where no quality improvement educational training had occurred.

Interventions

  • OtherQuality Improvement Project

    Simulation education conducted at Regions Hospital for a Quality Improvement project on delivery of impacted fetal head at cesarean section. This is a department-wide, simulation-based educational training required for all Regions Hospital Birth Center staff physicians, residents, nursing staff, and surgical techs.

06

What researchers measure

Primary outcomes

  1. Composite Variable of Maternal Morbidity of Second Stage Cesarean Section

    For each eligible procedure during the study timeframe, data retrospective programmatic and manual chart reviews was used to flag the presence of any of the following events: a) extension of uterine incision (yes/no), b) operative blood loss \>1000 mL (yes/no), c) requirement of any blood transfusion during cesarean section (yes/no), d) wound infection within 6 weeks of cesarean section (yes/no), e) endometritis within 6 weeks of cesarean section (yes/no). These individual endpoints were used to compose a composite variable reflecting maternal morbidity associated with each second stage cesarean section procedure (unit of analysis). The primary outcome variable was coded as "1" if any of the above events were recorded (Yes, maternal morbidity/complication occurred) or "0" if none.

    Time frame: During the procedure through 6 weeks following the procedure

  2. Composite Variable of Infant Morbidity of Second Stage Cesarean Section

    For each eligible procedure during the study timeframe, data retrospective programmatic and manual chart reviews was used to flag the presence of any of the following events: a) 5 minute APGAR score \<7 (yes/no), b) NICU admission (yes/no), c) umbilical cord arterial pH \<7.1 ph units (yes/no), d) fetal injury of cesarean delivery during the second stage of labor (yes/no). These individual endpoints were used to compose a composite variable reflecting infant morbidity associated with each second stage cesarean section procedure (unit of analysis). The primary outcome variable was coded as "1" if any of the above events were recorded (Yes, infant morbidity/complication occurred) or "0" if none. \*\*APGAR score is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.

    Time frame: During the procedure through 6 weeks following the procedure

Secondary outcomes

  1. Operative Time

    Operative Time measured in minutes defined as skin incision to delivery - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure

  2. Length of Stay

    Length of Stay for delivery - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure through 6 weeks following the procedure

  3. Time From Uterine Incision to Delivery

    Time from Uterine Incision to Delivery measured in minutes - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure

  4. UTI During Maternal Admission

    UTI during Maternal Admission (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure through 6 weeks following the procedure

  5. Urethral Injury

    Urethral Injury (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure through 6 weeks following the procedure

  6. APGAR Score at 1 Minute

    APGAR score at 1 minute \< 7 (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training. \*\*APGAR score is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.

    Time frame: During the procedure

  7. Fetal Death

    Fetal Death (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure through 6 weeks following the procedure

  8. Fetal Hyperbilirubinemia

    Fetal Hyperbilirubinemia (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure through 6 weeks following the procedure

  9. Head Pushed up From Below Prior to Cesarean Section

    Head pushed up from below (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

    Time frame: During the procedure

  10. Provider and Nurse Confidence Associated With Participation in Quality Improvement Training for Second Stage Cesarean Procedures

    Response on Likert Scale - * Not at all confident * Slightly confident * Moderately confident * Very confident Reported as % who responded they were very or moderately confident on each item - Only assessed in providers at the Intervention hospital that received quality improvement educational training.

    Time frame: Surveys distributed directly before, directly after, and 6 months after simulation training.

07

Results

Posted Nov 21, 2024

Participant flow

Note: Medical staff were not enrolled in the research study; rather, staff survey data from the QI project was a data source for the study.

Pre-Simulation (7/1/2016 to 12/31/2017)
Participant flow — Pre-Simulation (7/1/2016 to 12/31/2017)
MilestoneQuality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)
Started9910600
Completed9910600
Not completed0000
Post-Simulation (1/1/2018 to 6/30/2019)
Participant flow — Post-Simulation (1/1/2018 to 6/30/2019)
MilestoneQuality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)
Started0073131
Completed0073131
Not completed0000

Outcome measures

PrimaryComposite Variable of Maternal Morbidity of Second Stage Cesarean Section

For each eligible procedure during the study timeframe, data retrospective programmatic and manual chart reviews was used to flag the presence of any of the following events: a) extension of uterine incision (yes/no), b) operative blood loss \>1000 mL (yes/no), c) requirement of any blood transfusion during cesarean section (yes/no), d) wound infection within 6 weeks of cesarean section (yes/no), e) endometritis within 6 weeks of cesarean section (yes/no). These individual endpoints were used to compose a composite variable reflecting maternal morbidity associated with each second stage cesarean section procedure (unit of analysis). The primary outcome variable was coded as "1" if any of the above events were recorded (Yes, maternal morbidity/complication occurred) or "0" if none.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Count of participants · Participants
Composite Variable of Maternal Morbidity of Second Stage Cesarean Section
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Pre-Period)No Quality Improvement Project (Post-Period)
Composite Variable of Maternal Morbidity of Second Stage Cesarean Section64393859
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) vs No Quality Improvement Project (Pre-Period) vs No Quality Improvement Project (Post-Period) · Regression, Logistic · p = 0.031 · Odds ratio (or): 0.39 · 95% CI 0.17 to 0.91Y = Intervention + Time + Intervention\*Time + Covariates. Provided estimation parameter is the OR from the interaction term and can be interpreted as the differential change in odds of outcome from pre to post period associated with the intervention.
PrimaryComposite Variable of Infant Morbidity of Second Stage Cesarean Section

For each eligible procedure during the study timeframe, data retrospective programmatic and manual chart reviews was used to flag the presence of any of the following events: a) 5 minute APGAR score \<7 (yes/no), b) NICU admission (yes/no), c) umbilical cord arterial pH \<7.1 ph units (yes/no), d) fetal injury of cesarean delivery during the second stage of labor (yes/no). These individual endpoints were used to compose a composite variable reflecting infant morbidity associated with each second stage cesarean section procedure (unit of analysis). The primary outcome variable was coded as "1" if any of the above events were recorded (Yes, infant morbidity/complication occurred) or "0" if none. \*\*APGAR score is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Count of participants · Participants
Composite Variable of Infant Morbidity of Second Stage Cesarean Section
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Pre-Period)No Quality Improvement Project (Post-Period)
Composite Variable of Infant Morbidity of Second Stage Cesarean Section64393859
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) vs No Quality Improvement Project (Pre-Period) vs No Quality Improvement Project (Post-Period) · Regression, Logistic · p = 0.465 · Odds ratio (or): 1.46 · 95% CI 0.53 to 4.03Y = Intervention + Time + Intervention\*Time + Covariates. Provided estimation parameter is the OR from the interaction term and can be interpreted as the differential change in odds of outcome from pre to post period associated with the intervention.
SecondaryOperative Time

Operative Time measured in minutes defined as skin incision to delivery - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure
Reported as:
Mean · Minutes
Operative Time
MinutesQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Operative Time74.6 ± 3363.2 ± 22
Statistical analysis
  • Quality Improvement Project (Pre-Period) · t-test, 2 sided · p = 0.01 · Mean difference (final values): -11.4 · 95% CI -20.4 to -2.5
SecondaryLength of Stay

Length of Stay for delivery - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Mean · Hours
Length of Stay
HoursQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Length of Stay76.1 ± 2375.1 ± 19
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) · t-test, 2 sided · p = 0.75 · Mean difference (final values): -1.0 · 95% CI -76.0 to 5.5
SecondaryTime From Uterine Incision to Delivery

Time from Uterine Incision to Delivery measured in minutes - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure
Reported as:
Mean · Minutes
Time From Uterine Incision to Delivery
MinutesQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Time From Uterine Incision to Delivery1.7 ± 21.2 ± 1
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) · t-test, 2 sided · p = 0.02 · Mean difference (final values): -0.5 · 95% CI -1.0 to -0.1
SecondaryUTI During Maternal Admission

UTI during Maternal Admission (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Count of participants · Participants
UTI During Maternal Admission
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
UTI During Maternal Admission00
SecondaryUrethral Injury

Urethral Injury (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Count of participants · Participants
Urethral Injury
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Urethral Injury01
SecondaryAPGAR Score at 1 Minute

APGAR score at 1 minute \< 7 (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training. \*\*APGAR score is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.

Time frame:
During the procedure
Reported as:
Count of participants · Participants
APGAR Score at 1 Minute
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
APGAR Score at 1 Minute1721
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) · Fisher Exact · p = 0.10 · Risk difference (rd): 0.116 · 95% CI -0.01 to 0.24
SecondaryFetal Death

Fetal Death (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Count of participants · Participants
Fetal Death
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Fetal Death00
SecondaryFetal Hyperbilirubinemia

Fetal Hyperbilirubinemia (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure through 6 weeks following the procedure
Reported as:
Count of participants · Participants
Fetal Hyperbilirubinemia
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Fetal Hyperbilirubinemia2722
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) · Fisher Exact · p = 0.81 · Risk difference (rd): 0.028 · 95% CI -0.12 to 17.8
SecondaryHead Pushed up From Below Prior to Cesarean Section

Head pushed up from below (% yes) - Only compared between time periods at Intervention hospital that received quality improvement educational training.

Time frame:
During the procedure
Reported as:
Count of participants · Participants
Head Pushed up From Below Prior to Cesarean Section
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)
Head Pushed up From Below Prior to Cesarean Section1411
Statistical analysis
  • Quality Improvement Project (Pre-Period) vs Quality Improvement Project (Post-Period) · Fisher Exact · p = 1.0 · Risk ratio (rr): 0.01 · 95% CI -0.11 to 0.13
SecondaryProvider and Nurse Confidence Associated With Participation in Quality Improvement Training for Second Stage Cesarean Procedures

Response on Likert Scale - * Not at all confident * Slightly confident * Moderately confident * Very confident Reported as % who responded they were very or moderately confident on each item - Only assessed in providers at the Intervention hospital that received quality improvement educational training.

Time frame:
Surveys distributed directly before, directly after, and 6 months after simulation training.
Reported as:
Count of participants · Participants
Provider and Nurse Confidence Associated With Participation in Quality Improvement Training for Second Stage Cesarean Procedures
ParticipantsQuality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)Quality Improvement Project (6-Months-Post)
Anticipating difficult extraction?569062
Performing your role during extraction?438055
Understand your role during obstetric emergency?579868
Understand role of others during emergency?5010065

Adverse events

Collected over During the procedure through 6 weeks following the procedure. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Quality Improvement Project (Pre-Period)0/99 (0%)0/99 (0%)0/99 (0%)
No Quality Improvement Project (Pre-Period)0/106 (0%)0/106 (0%)0/106 (0%)
Quality Improvement Project (Post-Period)0/73 (0%)0/73 (0%)0/73 (0%)
No Quality Improvement Project (Post-Period)1/131 (0.8%)0/131 (0%)0/131 (0%)

Baseline characteristics

Number of second stage cesarean section procedures at each study site

Age, Categorical
Age, Categorical(Participants)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
<=18 years00000
Between 18 and 65 years9910673131409
>=65 years00000
Sex: Female, Male
Sex: Female, Male(Participants)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
Female9910673131409
Male00000
Race and Ethnicity Not Collected
Race and Ethnicity Not Collected(Participants)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
Count of participants————0
Maternal BMI
Maternal BMI(kg/m^2)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
Mean33.5 ± 5.933.5 ± 6.631.5 ± 6.732.7 ± 6.132.9 ± 6.3
Fetal Weight
Fetal Weight(grams)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
Mean3619 ± 4683609 ± 4603534 ± 4363526 ± 4603571 ± 458
Gestational Age at Time of C-Section
Gestational Age at Time of C-Section(Weeks)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
Mean39.9 ± 1.240.3 ± 139.8 ± 1.340.1 ± 1.040.0 ± 1.1
Length of Second Stage
Length of Second Stage(Participants)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
0-2 hours2017112068
2-4 Hours37322246137
4+ Hours41574064202
Missing10012
Cesarean Indication
Cesarean Indication(Participants)Quality Improvement Project (Pre-Period)No Quality Improvement Project (Pre-Period)Quality Improvement Project (Post-Period)No Quality Improvement Project (Post-Period)Total
Maternal73814490288
Fetal24222840114
Missing23117

7 further baseline measures are reported on the registry.

08

Study locations

1 site
  • Regions Hospital
    Saint Paul, Minnesota 55101, United States
09

References and documents

Publications

  • Seal SL, Dey A, Barman SC, Kamilya G, Mukherji J, Onwude JL. Randomized controlled trial of elevation of the fetal head with a fetal pillow during cesarean delivery at full cervical dilatation. Int J Gynaecol Obstet. 2016 May;133(2):178-82. doi: 10.1016/j.ijgo.2015.09.019. Epub 2016 Jan 15. PubMed 26868074 ↗
  • Barrier BF, Allison JL, Andelin CO, Drobnis EZ. A simple device prevents hysterotomy extensions during cesarean delivery for failed second stage of labor. Gynecol Obstet Invest. 2013;76(2):90-4. doi: 10.1159/000351567. Epub 2013 May 24. PubMed 23711893 ↗
  • Jeve YB, Navti OB, Konje JC. Comparison of techniques used to deliver a deeply impacted fetal head at full dilation: a systematic review and meta-analysis. BJOG. 2016 Feb;123(3):337-45. doi: 10.1111/1471-0528.13593. Epub 2015 Aug 24. PubMed 26301522 ↗
  • Veisi F, Zangeneh M, Malekkhosravi S, Rezavand N. Comparison of "push" and "pull" methods for impacted fetal head extraction during cesarean delivery. Int J Gynaecol Obstet. 2012 Jul;118(1):4-6. doi: 10.1016/j.ijgo.2011.12.027. Epub 2012 Apr 27. PubMed 22541809 ↗
  • Berhan Y, Berhan A. A meta-analysis of reverse breech extraction to deliver a deeply impacted head during cesarean delivery. Int J Gynaecol Obstet. 2014 Feb;124(2):99-105. doi: 10.1016/j.ijgo.2013.08.014. Epub 2013 Nov 6. PubMed 24290068 ↗

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: No

10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from Jan 2018 to primary completion in Jun 2019, 17 months.

Results were first posted in Nov 2024, 5 years 4 months after primary completion.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 4, 2017
First posted
Jan 2, 2018
StartActual
Jan 1, 2018
Primary completionActual
Jun 30, 2019
CompletionActual
Jun 30, 2019
Results first posted
Nov 21, 2024
Last update
Nov 21, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Nov 21, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT03387189
Collaborators
Regions Hospital
Responsible party
Sponsor
First posted
Jan 2, 2018
Start date
Jan 1, 2018
Primary completion
Jun 30, 2019
Completion
Jun 30, 2019
Results posted
Nov 21, 2024
Last update
Nov 21, 2024

Study contacts

Kamalini X Das, MD
principal investigator · HealthPartners Institute

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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