ClinicalTrials.gg
CompletedNCT03008382ICECANUpdated Feb 17, 2025Results posted

Interstitial Cystitis: Examination of the Central Autonomic Network

A Phase 4 interventional study of Metoprolol Tartrate Oral Tablet and Placebo Oral Tablet in Interstitial Cystitis/Painful Bladder Syndrome and Myofascial Pelvic Pain, sponsored by Virginia Commonwealth University. Completed at 2 sites in United States. Open to female participants aged 18 Years to 80 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-02-17.

Sponsored by Virginia Commonwealth University · Phase 4, Interventional, and Other

Phase
Phase 4
Study type
Interventional
Enrollment
72
Allocation
Randomized
Ages
18 Years to 80 Years
Sex
Female
01

Where this study stands

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

Among 139 studies in Cystitis, Interstitial with a site in United States — 17 open to participants now, 21 under way, 1 of them phase 3. Cystitis, Interstitial · United States.

Enrollment
38th of 101
72 · median 46
Started
2017
with 5 others
Phase 4
13 of 139
1 open now
Registered
91st of 139
by date

Among the 139 studies in Cystitis, Interstitial with a site in United States, this one is the 38th largest by enrollment of the 101 interventional ones that give a count, is one of 6 that started in 2017, is one of 13 in phase 4, and was the 91st registered.

Cystitis, Interstitial

236 studies on the registry are indexed under Cystitis, Interstitial; 35 are open to participants now.

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Open to participants now

17 of the 139 studies in Cystitis, Interstitial with a site in United States are open now. Recruiting first, the newest first:

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Who these studies take

Of the 25 Cystitis, Interstitial studies recruiting now, 15 (60%) set no upper age limit and 5 (20%) stop at 75 or younger; 2 take children under 18; 5 take healthy volunteers.

This study: 18 Years to 80 Years · female · healthy volunteers too.

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02

Study summary

This proposal aims to move the science of chronic pelvic pain (CPP) from simple associations towards an investigation of cause and effect relationships. The investigators will determine whether the striking changes in autonomic nervous system responsiveness (ANS-R) contribute meaningfully to the pathogenesis of CPP.

Read the detailed description

This multi-site trial will recruit 2 groups of female subjects ages 18-80 years, evenly distributed across decades (10 or 20 per decade as appropriate): Chronic pelvic pain (CPP) and Healthy Controls (HC). The chronic pelvic pain group will be split into 2 sub groups where some participants will receive metopropol then placebo while the other participants in this interventional group will receive placebo then metoprolol.

This proposal aims to move the science of chronic pelvic pain (CPP) from simple associations towards an investigation of cause and effect relationships. We will determine whether the striking changes in ANS-R contribute meaningfully to the pathogenesis of CPP through 3 aims:

  1. Careful longitudinal repeated measures in individual subjects to determine if ANS-R changes precede clinical changes;
  2. Assessing the impact of an intervention designed to change ANS-R on the clinical course of CPP;
  3. Evaluating changes in brain connectivity between the prefrontal cortex (PFC) and the periaqueductal gray (PAG) associated with changes in ANS-R and improved disease status.

Subjects will be pre-screened in person or on the phone. An in-person pre-screen takes place in the MCW Neurology Research Rooms at Froedtert Hospital. If the subject is able to participate, subject will sign the informed consent form before completing a baseline evaluation. The baseline evaluation occurs either following consent or at another date convenient for them. Subjects must complete all baseline activities within 2 weeks, or before their Week 4/Visit 2. The baseline evaluation is comprised of a general examination, a set of questionnaires, background history documenting date of diagnosis, medications tried, duration of each treatment and dosing, surgeries and therapeutic and exploratory procedures performed. A pelvic examination will be performed with CPP subjects patients only. Active Change in Posture (ACP) is administered to the subject. Subjects will complete the uroflow (urine) measurement and Valsalva maneuver in the MCW Neurology Research Rooms with a member of the research team present.

Observational Substudy:

This substudy is identical to the above with the exception of not taking a beta-blocker or placebo and is only 12 weeks long instead of 24. This is strictly an observational study to monitor subjects who have been diagnosed with IC or MPP. If the screening information shows that the subject meets the requirements, then they will be able to start. If the screening information shows that they cannot be in the research, the research doctor will discuss other options with them and/or refer them back to their regular doctor.

If the subject is able to participate, they will complete 3 regular on-site long-visits at weeks 0, 4, and 12. The first long-visit (baseline evaluation) may occur either today following consent or at another date convenient for them. The baseline evaluation comprises a general and pelvic examination (no speculum), psychological questionnaires and a background history questionnaire.

Weekly Home Checks will occur for 24 weeks (or 12 weeks if in observational sub-study) following consent. Once each a week, subjects will complete a 24-hour heart rate (HR) recording and the ACP recording using the eMotion Faros 360° portable EKG device. A member of the research team will contact the subject each week while they complete the weekly questionnaires and ACP recording. This will ensure compliance and will give the subject the opportunity to ask any questions.The researcher will remain on the phone or via Skype to monitor the subject while the ACP recording is completed from home just prior to the subject's bedtime. The HR recording will be uploaded to MCW's secure server at the subject's next hospital visit. Throughout the study, subjects flare activity will be monitored via phone calls and recording flares in the EMA application on the smartphone. This will be a Daily Flare Question in the EMA which is a set alarmed time to sound as a reminder for the duration of the subject's participation.

The following weeks after each site visit and the night before visit 5, subjects will repeat complete the 24-hr HR recording to ensure comparability of the HRV recording at home to the one performed at the matching on-site visit., Subjects will also complete the 24-h voiding diary, a set of questions using the ICECAN mobile App installed on a pre-loaded smartphone and questionnaires. Deidentified 24-hour HRV and ACP recordings will be sent to Ohio State University for analysis.

Follow-up Visits: Weeks 4, 12, 16, 24, Visits 2-5 (weeks 4 and 12 (Visits 2 and 3) for the observational substudy) Subjects will arrive to MCW Neurology Research Rooms to repeat the following: review of comorbidities, tender points exam, questionnaires, ACP and DNIC tests. Subjects will complete the Valsalva maneuver in the MCW Neurology Research Rooms with a member of the research team present. Chronic Pelvic Pain patients subjects will complete a repeat pelvic examination at Weeks 12 and 24.

CPP aparticipants will be randomized to receive 8 weeks of either placebo (a pill with no active agent), or metoprolol (a pill that reduces the impact of the brain's "fight or flight" circuits). Metoprolol is in the class of "beta-blockers" commonly used for mild blood pressure control, and also commonly used for migraine. Subjects will be administered 8 weeks of metoprolol or placebo starting at their Week 4 Visit. Subjects will complete a 4-week washout period (Week 12-16) and will be administered 8 weeks of crossover (Weeks 16-24).

Blood will be drawn (\~ 50 mL, a little more than 3 tablespoons) at each in-person visit at weeks 0, 4, 12, 16, and 24 for chronic pelvic pain subjects (healthy control only at Baseline and Final visits; 2 draws total). A portion of the blood plasma/serum will be sent to the University of Pittsburgh for additional related analysis. The sample will be labeled by a number and will not contain any information that can be used to directly identify subject. This portion of the study is critical to gather new information about pelvic pain, which is very poorly understood and we highly encourage subjects to participate in this portion of the study; however, it is optional.

Healthy Controls:

60 healthy control subjects will also complete this study in 24 weeks that include 4 long site visits and 6 weekly home check visits. During this first long visit they will complete a general exam and physician evaluation, DNIC, ACP, Valsalva maneuver, and questionnaires. Subjects will complete a 24-hour HR recording from home once a week for 6 weeks total.

03

Conditions studied

  • Interstitial Cystitis/Painful Bladder Syndrome
  • Myofascial Pelvic Pain

Keywords

  • Interstitial Cystitis
  • Pelvic Pain
04

Who can participate

Ages eligible
18 Years to 80 Years
Sexes eligible
Female
Accepts healthy volunteers
Yes

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

  • Women aged between 18 and 80 years old
  • Healthy controls; Patients diagnosed with Interstitial cystitis/Painful bladder syndrome (IC/BPS) or Myofascial pelvic pain (MPP)
  • IC/BPS - ≥3 months chronic pelvic pain, pressure or discomfort perceived to be related to the urinary bladder accompanied by at least one other urinary symptom like persistent urge to void or frequency. Confusable diseases as the cause of the symptoms must be excluded, particularly recurrent UTI
  • MPP - ≥3 months of non-cyclic continuous pelvic pain unrelated to bladder state and a minimum of 2 of 5 examined pelvic floor TPs scoring at least 4 out of 10 on a numeric rating scale using 2 kg pressure applied with the index finger
  • Provision of prior to any study specific procedures

Exclusion criteria

Exclusion Criteria:

  • Known nervous system conditions including but not limited to diabetic neuropathy, Parkinson's disease, Alzheimer's disease, multiple sclerosis, strokes, seizures, etc.
  • Baseline heart rate \< 50 bpm; blood pressure ≥ 140/80 mmHg at rest or uncontrolled hypertension; or hypertension requiring more than two drugs for control
  • Pregnant, attempting to become pregnant , or breast-feeding
  • Unevaluated hematuria or infection at the time of enrollment
  • Pelvic or bladder neoplasm or infection
  • Severe asthma, inflammatory arthritis, connective tissue or auto-immune disorders
  • Evidence of unstable medical disorder such as kidney (rising creatinine or end-stage renal failure) or liver impairment (rising or ALT, or end-stage with coagulopathy); poorly controlled significant cardiovascular (CHF), respiratory, endocrine (diabetes - A1c > 9 - or untreated thyroid dysfunction) or uncontrolled psychiatric illness (such as untreated depression, psychosis, etc.)
  • Treatment with a drug or medical device within the previous 30 days that has not received regulatory approval
  • Use of hormones (except insulin, thyroid replacement or oral ). Hormone replacement therapy is acceptable
  • Current, ongoing drug or alcohol abuse
  • Current use of 150 mg or more of narcotics or morphine equivalent (or inconsistent dosages or frequency - varying by > 50 mg morphine equivalent per day)
  • Previous augmentation cystoplasty, cystectomy, cytolysis, or neurectomy. Pelvic surgery in the last 6 months.
  • Any major surgical intervention with general anesthesia in the last 90 days. Current use of anticholinergic medications.
  • Current use of beta-blocker(s).
  • Unwillingness to take a beta blocker and placebo, or planned use of beta-blocker(s) other than study medication.
  • Previous allergic or serious reaction to beta-blockers. Initiation of neural stimulator in the last 30 days.
  • Any on-going or pending medical, health or disability related litigation, or current pursuit of disability.
  • Any condition that in the judgment of the investigator and the internal advisory panel would interfere with the patient's ability to provide , comply with study instructions, place the patient at increased risk, or which would clearly confound the interpretation of the study results (specific reason will be documented).
  • Current participation in another clinical trial that interferes with ICECAN policies and procedures .
  • Investigators, study staff and their immediate families.
  • Inability to speak, read, and understand English.
  • Allergy to adhesives.
  • Initiation of any new treatment class in the last 30 days, or intent to initiate a new class of treatment in the study. Treatment classes include:

    1. Pelvic injection
    2. Pelvic floor therapy
    3. Agents with specific FDA approval for IC/BPS or MPP (e.g., Elmiron)
    4. Anticonvulsants
    5. Tricyclic agents
    6. Intravesical therapy or Botox
    7. Bladder hydrodistention
Terms in these criteria, in plain language(3)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

05

Study design

Phase
Phase 4
Primary purpose
Other
Allocation
Randomized
Intervention model
Crossover assignment
Masking
Double (Participant, Investigator)
Enrollment
72 participants (actual)

Study arms

  • Other
    Chronic Pelvic Pain

    Participants with chronic pelvic pain will be randomized to either take 8 weeks of Metoprolol Tartrate Oral Tablet, followed by a 4-Week washout period, and then 8 weeks of Placebo OR to take 8 weeks of Placebo Oral Tablet, followed by a 4-Week washout period, and then 8 weeks of Metoprolol Tartrate Oral Tablet. This intervention aims at determining whether Metoprolol reduces pain in subjects in both groups compared to placebo. Some participants were not randomized and were instead enrolled into the observational sub-study.

    Drug: Metoprolol Tartrate Oral Tablet · Drug: Placebo Oral Tablet · Other: No intervention- observational sub-study

  • No intervention
    Healthy Control Group

    Healthy female subjects ages 18-80 with various demographic background who do not have any exclusionary diagnostic or symptomatic criteria will be recruited. Subjects will never receive any randomization or drug treatment during the entire duration of the study

Interventions

  • Metoprolol is a beta-blocker commonly used for mild blood pressure control, and also commonly used for migraine. Subjects with IC/BPS or MPP will start metoprolol at 25 mg once daily and increase to the goal dose of 25 mg 2/day after one week and continue for 8 weeks total.

    Also known as: Metoprolol

  • DrugPlacebo Oral Tablet

    Subjects with IC/BPS or MPP will start placebo distributed in a double-blind manner. Subjects will take placebo once daily and increase to the goal dose of 25 mg 2/day after one week and continue for 8 weeks total.

    Also known as: Placebo

  • OtherNo intervention- observational sub-study

    Participants did not receive placebo or metoprolol during the entire duration of the study.

06

What researchers measure

Primary outcomes

  1. Total Score on Genitourinary Pain Index (GUPI) Scale

    The total GUPI score is calculated from the sum of the 3 scores from the subscales. There is no uniformity in the ranges of scores for the individual questions. The 3 subscales are: pain, urinary, and quality of life. The total score range can go from 0-45. The higher the score indicates more female urinary symptoms. Scores were calculated for each participant at weeks 4 (baseline), 12 (post-first intervention) and 24 (post-second intervention) of their participation in the study.

    Time frame: Weeks 4, 12 and 24

  2. Average Score on the First Domain of the Multidimensional Pain Scoring (MPI) Scale

    The average score comes from the Pain Experience, the first domain, of the MPI. Domain 1 includes five scales designed to measure important dimensions of the chronic pain experience including; 1) perceived interference of pain in vocational, social/recreational, and family/marital functioning, 2) support or concern from spouse or significant other, 3) pain severity, 4) perceived life control, and 5) affective distress. Higher scores indicate more impactful effects of the pain experience in daily life. Responses from individual questions range from 0-6. 0 indicated no pain/no interference/no change. 6 indicates very intense pain/extreme interference/extreme change. The final total score range is 0-6 with 0 being absent pain and 6 being the worst pain rating. A lower score is better. Scores were calculated for each participant at weeks 4 (baseline), 12 (post-first intervention) and 24 (post-second intervention) of their participation in the study.

    Time frame: Weeks 4, 12 and 24

Other outcomes

  1. Correlation Between the Change in Autonomic Nervous System Responsiveness (ANS-R) and the Change in the Connectivity Between Prefrontal Cortex (PFC) and Periaqueductal Gray (PAG)

    A linear model with connectivity at 24 weeks as outcome, connectivity at baseline as a covariate and change in ANS-R, demographics such as age and group and the interactions of group with other covariate.

    Time frame: 24 Weeks

  2. Assessing Central Autonomic Network Connectivity in Subjects With Chronic Pelvic Pain

    This exploratory aim for the sub-studyused functional MRI brain imaging to examine the evolution of the connectivity of the main autonomic processing nucleus, the periaqueductal gray region, with other cortical brain regions

    Time frame: Baseline, 12 weeks and 24 weeks

07

Results

Posted Feb 17, 2025
Limitations and caveats
All diagnosed subjects were combined because of inadequate recruitment related to the COVID 19 pandemic which halted study recruitment. As a result, the study was no longer adequately powered to compare the differing groups.

Participant flow

The study was modified to report data for participants with IC/BPS and MPP as a single combined chronic pelvic pain group. Please review the pre-assignment details sections to view how participants are being presented in for this group.

Participant flow — Overall Study
MilestoneMetoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational Participants
Started2322234
Completed2016184
Not completed3650
Withdrew: Withdrawal by subject2520
Withdrew: Protocol violation1000
Withdrew: Withdrew from study but did not withdraw consent0100
Withdrew: Lost to follow-up0010
Withdrew: Screenfail0020

Outcome measures

PrimaryTotal Score on Genitourinary Pain Index (GUPI) Scale

The total GUPI score is calculated from the sum of the 3 scores from the subscales. There is no uniformity in the ranges of scores for the individual questions. The 3 subscales are: pain, urinary, and quality of life. The total score range can go from 0-45. The higher the score indicates more female urinary symptoms. Scores were calculated for each participant at weeks 4 (baseline), 12 (post-first intervention) and 24 (post-second intervention) of their participation in the study.

Time frame:
Weeks 4, 12 and 24
Reported as:
Mean · score on a scale
Total Score on Genitourinary Pain Index (GUPI) Scale
score on a scaleMetoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational Participants
Week 424.4 ± 8.5422.2 ± 8.942.35 ± 2.3729.25 ± 7.27
Week 1222.8 ± 11.121.4 ± 8.882.42 ± 3.6726.65 ± 9.84
Week 2423.1 ± 1222.1 ± 7.81.67 ± 1.15—
PrimaryAverage Score on the First Domain of the Multidimensional Pain Scoring (MPI) Scale

The average score comes from the Pain Experience, the first domain, of the MPI. Domain 1 includes five scales designed to measure important dimensions of the chronic pain experience including; 1) perceived interference of pain in vocational, social/recreational, and family/marital functioning, 2) support or concern from spouse or significant other, 3) pain severity, 4) perceived life control, and 5) affective distress. Higher scores indicate more impactful effects of the pain experience in daily life. Responses from individual questions range from 0-6. 0 indicated no pain/no interference/no change. 6 indicates very intense pain/extreme interference/extreme change. The final total score range is 0-6 with 0 being absent pain and 6 being the worst pain rating. A lower score is better. Scores were calculated for each participant at weeks 4 (baseline), 12 (post-first intervention) and 24 (post-second intervention) of their participation in the study.

Time frame:
Weeks 4, 12 and 24
Reported as:
Mean · score on a scale
Average Score on the First Domain of the Multidimensional Pain Scoring (MPI) Scale
score on a scaleMetoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational Participants
Week 42.44 ± 1.112.16 ± 0.8781.28 ± 0.282.95 ± 1.38
Week 122.53 ± 1.031.99 ± 0.8631.41 ± 0.452.57 ± 1.42
Week 242.35 ± 1.142.11 ± 0.7471.13 ± 0.35—
Other pre-specifiedCorrelation Between the Change in Autonomic Nervous System Responsiveness (ANS-R) and the Change in the Connectivity Between Prefrontal Cortex (PFC) and Periaqueductal Gray (PAG)

A linear model with connectivity at 24 weeks as outcome, connectivity at baseline as a covariate and change in ANS-R, demographics such as age and group and the interactions of group with other covariate.

Time frame:
24 Weeks

Results for this outcome have not been posted.

Other pre-specifiedAssessing Central Autonomic Network Connectivity in Subjects With Chronic Pelvic Pain

This exploratory aim for the sub-studyused functional MRI brain imaging to examine the evolution of the connectivity of the main autonomic processing nucleus, the periaqueductal gray region, with other cortical brain regions

Time frame:
Baseline, 12 weeks and 24 weeks

Results for this outcome have not been posted.

Adverse events

Collected over 24 weeks (duration of study). Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Metoprolol0/43 (0%)0/43 (0%)22/43 (51.2%)
Placebo0/42 (0%)0/42 (0%)25/42 (59.5%)
Baseline Period0/45 (0%)0/45 (0%)5/45 (11.1%)
Washout Period0/40 (0%)0/40 (0%)4/40 (10%)
Observational Participants0/4 (0%)0/4 (0%)0/4 (0%)
Healthy Control0/23 (0%)0/23 (0%)0/23 (0%)
Most frequent other events
Showing 10 of 46
Most frequent other events
EventMetoprololPlaceboBaseline PeriodWashout PeriodObservational ParticipantsHealthy Control
fatigueGeneral disorders0/433/420/450/400/40/23
nauseaGastrointestinal disorders2/432/420/450/400/40/23
Sleep problemsGeneral disorders2/430/420/450/400/40/23
Joint painMusculoskeletal and connective tissue disorders0/430/420/451/400/40/23
Urinary Tract InfectionInfections and infestations0/430/420/451/400/40/23
Vestibular migraines with vertigoNervous system disorders0/430/420/451/400/40/23
Fibromyalgia flareNervous system disorders0/431/420/451/400/40/23
Chest TightnessRespiratory, thoracic and mediastinal disorders1/431/420/450/400/40/23
Nausea and vomitingGastrointestinal disorders0/431/420/450/400/40/23
Depressed mood post 1st round of study medicationPsychiatric disorders0/431/420/450/400/40/23

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Metoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational ParticipantsTotal
<=18 years00000
Between 18 and 65 years232222370
>=65 years00112
Sex: Female, Male
Sex: Female, Male(Participants)Metoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational ParticipantsTotal
Female232223472
Male00000
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)Metoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational ParticipantsTotal
Hispanic or Latino11002
Not Hispanic or Latino12148236
Unknown or Not Reported10715234
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Metoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational ParticipantsTotal
American Indian or Alaska Native00000
Asian00101
Native Hawaiian or Other Pacific Islander00000
Black or African American12104
White12136233
More than one race00000
Unknown or Not Reported10715234
Region of Enrollment
Region of Enrollment(participants)Metoprolol Then PlaceboPlacebo Then MetoprololHealthy ControlObservational ParticipantsTotal
United States232223472
08

Study locations

2 sites
  • NorthShore University HealthSystem
    Evanston, Illinois 60201, United States
  • Virginia Commonwealth University
    Richmond, Virginia 23298, United States
09

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: Yes — All participant data will be de-identified before sharing. Blood and Urine: A portion of the blood plasma/serum and urine will be sent to the University of Pittsburgh for additional related analysis. Heart Rate Variability (HRV): 24-hour HRV and Active Change of Posture recordings will be sent to Ohio State University for analysis.

Supporting information: Study protocol, Statistical analysis plan, Analytic code

Time frame: The participant's collected data is de-identified immediately. The blood and urine are stored in a freezer until there are enough samples to send out for analysis. Heart rate recordings are uploaded to a secure MCW storage site and shared for analysis throughout the participant's participation.

Access criteria: Participant data will be shared through a secured web dropbox called BOX. BOX access is paid for and controlled by the Medical College of Wisconsin (MCW). The folders containing participant data are password protected and only those who are adding to the folders or performing analysis on collected data are given access through MCW. MCW's other two recruiting sites, NorthShore University HealthSystem and Case Western Reserve University, are able to add participant data to their own site folders, and each site only has access to their participants' data. Ohio State University has access to the folder containing participants' heart rate recording to perform analysis. Blood and Urine samples are deidentified and stored at MCW until a shipment is prepared. They are then sent to the University of Pittsburgh for further analysis.

10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from Mar 2017 to primary completion in Mar 2022, 60 months.

Results were first posted in Feb 2025, 2 years 11 months after primary completion. A results delay was requested in Feb 2023.

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

Registered
Dec 28, 2016
First posted
Jan 2, 2017
StartActual
Mar 1, 2017
Primary completionActual
Mar 16, 2022
CompletionActual
Mar 16, 2022
Results delay requested
Feb 9, 2023
Results first posted
Feb 17, 2025
Last update
Feb 17, 2025
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 Feb 17, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT03008382
Responsible party
Thomas Chelimsky, MD (Director, VCU Comprehensive Autonomic Center; Director, 4PCP Curriculum (Primary Practice Practitioner Program for Chronic Pain), Virginia Commonwealth University) — Principal investigator
First posted
Jan 2, 2017
Start date
Mar 1, 2017
Primary completion
Mar 16, 2022
Completion
Mar 16, 2022
Results posted
Feb 17, 2025
Last update
Feb 17, 2025

Study contacts

Thomas Chelimsky, MD
principal investigator · Virginia Commonwealth University

Oversight

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

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Studies of the drug tested here: Metoprolol

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