Trial Outcomes & Findings for Sham Controlled Trial of Rapid Induction Percutaneous Tibial Nerve Stimulation (NCT NCT03547518)

NCT ID: NCT03547518

Last Updated: 2023-08-14

Results Overview

Number of subjects reporting "Moderately" or "Markedly Improved" responses on the GRA after 3 interventions

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

25 participants

Primary outcome timeframe

One week post induction (+/- 3 days)

Results posted on

2023-08-14

Participant Flow

Recruitment was primarily through physician referrals from private urology clinics. Recruitment began in March 2018 and concluded in May 2022.

Participant milestones

Participant milestones
Measure
Active PTNS Treatment
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Overall Study
STARTED
13
12
Overall Study
COMPLETED
11
12
Overall Study
NOT COMPLETED
2
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Active PTNS Treatment
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Overall Study
Lost to Follow-up
2
0

Baseline Characteristics

Sham Controlled Trial of Rapid Induction Percutaneous Tibial Nerve Stimulation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Active PTNS Treatment
n=13 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Total
n=25 Participants
Total of all reporting groups
Ethnicity (NIH/OMB)
Not Hispanic or Latino
13 Participants
n=5 Participants
12 Participants
n=7 Participants
25 Participants
n=5 Participants
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
n=5 Participants
10 Participants
n=7 Participants
19 Participants
n=5 Participants
Age, Categorical
>=65 years
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Age, Continuous
63.77 years
STANDARD_DEVIATION 10.08 • n=5 Participants
60.75 years
STANDARD_DEVIATION 8.01 • n=7 Participants
62.32 years
STANDARD_DEVIATION 9.09 • n=5 Participants
Sex: Female, Male
Female
12 Participants
n=5 Participants
9 Participants
n=7 Participants
21 Participants
n=5 Participants
Sex: Female, Male
Male
1 Participants
n=5 Participants
3 Participants
n=7 Participants
4 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
White
13 Participants
n=5 Participants
11 Participants
n=7 Participants
24 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
13 participants
n=5 Participants
12 participants
n=7 Participants
25 participants
n=5 Participants

PRIMARY outcome

Timeframe: One week post induction (+/- 3 days)

Population: One active treatment subject did not complete primary outcome

Number of subjects reporting "Moderately" or "Markedly Improved" responses on the GRA after 3 interventions

Outcome measures

Outcome measures
Measure
Active PTNS Treatment
n=12 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Improvement in GRA for Overall Bladder Symptoms
3 Participants
2 Participants

SECONDARY outcome

Timeframe: Baseline and 1 week post induction (+/- 3 days)

Population: 1 active treatment subject did not complete the diary.

Change in number of total voids as measured by 3-day voiding diary, between pre-induction (baseline) and post-induction (post-treatment). Positive change means reduction in urinary frequency from baseline, negative change means increase in urinary frequency from baseline.

Outcome measures

Outcome measures
Measure
Active PTNS Treatment
n=12 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Change From Baseline Urinary Frequency on 3 Day Voiding Diary
5 number of voids
Standard Deviation 6.21
1.08 number of voids
Standard Deviation 5.38

SECONDARY outcome

Timeframe: Baseline and one week post induction (+/- 3 days)

Population: 1 active subject did not complete the diary

Change in number of total night time urinary voids over three days as measured by 3-day voiding diary, between pre-induction (baseline) and post-induction (post-treatment). Positive change means reduction in number of night time voids. Negative change means increase in number of night time voids.

Outcome measures

Outcome measures
Measure
Active PTNS Treatment
n=12 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Change From Baseline Nocturia in 3 Day Voiding Diary
-0.64 number of night time voids
Standard Deviation 2.11
0.31 number of night time voids
Standard Deviation 4.05

SECONDARY outcome

Timeframe: Baseline and 1 week post induction (+/- 3 days)

Population: 1 active subject did not complete the diary

Change in number of urinary voids recorded as urgent over three days as measured by 3-day voiding diary, between pre-induction (baseline) and post-induction (end of treatment). Positive change means reduction in urge incontinence episodes. Negative change means increase in urge incontinence episodes.

Outcome measures

Outcome measures
Measure
Active PTNS Treatment
n=12 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Change From Baseline in Degree of Urgency in 3 Day Voiding Diary
4.82 number of voids recorded as urgent
Standard Deviation 9.42
-4.38 number of voids recorded as urgent
Standard Deviation 10.9

SECONDARY outcome

Timeframe: Baseline and one week post induction (+/- 3 days)

Population: 1 active subject did not complete a diary

Change in number of urge incontinence episodes over three days as measured by 3-day voiding diary, between pre-induction (baseline) and post-induction (post-treatment). Positive change means reduction in urge incontinence episodes. Negative change means increase in urge incontinence episodes.

Outcome measures

Outcome measures
Measure
Active PTNS Treatment
n=12 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Change From Baseline in Number of Urge Incontinence Episodes in 3 Day Voiding Diary
5 number of urge incontinence episodes
Standard Deviation 5.66
2 number of urge incontinence episodes
Standard Deviation 6.43

SECONDARY outcome

Timeframe: Baseline and 1 week post induction (+/- 3 days)

Population: 1 active subject did not complete OABq at one week visit.

Change from baseline in total score on a 6 question survey of extent of how much patients were bothered by bladder symptoms, with each question rated on a 6 point likert scale with 1= Not at all and 6= a very great deal. Score range 0-100. Higher score equals worse overactive bladder symptoms. Positive change means improvement in OAB symptoms. Negative change means worsening of OAB symptoms.

Outcome measures

Outcome measures
Measure
Active PTNS Treatment
n=12 Participants
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 Participants
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Change From Baseline in Overactive Bladder Questionnaire-short Form Symptom Bother (OABq-SF)
17.73 score on a scale
Standard Deviation 18.41
18.97 score on a scale
Standard Deviation 14.68

Adverse Events

Active PTNS Treatment

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Sham Treatment

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Open Label Active PTNS Treatment

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Active PTNS Treatment
n=13 participants at risk
One-week induction consisting of three active PTNS treatments, each 2 hours long PTNS treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Sham Treatment
n=12 participants at risk
One-week induction consisting of three sham treatments, each 2 hours long Sham treatment: One-week induction consisting of three active PTNS treatments, each 2 hours long
Open Label Active PTNS Treatment
n=12 participants at risk
Sham participants that continued to the open label active PTNS treatment phase. One- week induction consisting of three active PTNS treatments, each 2 hours long.
Cardiac disorders
Atypical Chest Pain
7.7%
1/13 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Respiratory, thoracic and mediastinal disorders
Asthmatic bronchitis
7.7%
1/13 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Infections and infestations
Urinary Tract Infection (UTI)
7.7%
1/13 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
8.3%
1/12 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
8.3%
1/12 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Skin and subcutaneous tissue disorders
Right lower extremity cellulitis
7.7%
1/13 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Musculoskeletal and connective tissue disorders
Right foot fracture
7.7%
1/13 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Renal and urinary disorders
Right renal cyst
7.7%
1/13 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Infections and infestations
COVID infection
0.00%
0/13 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
8.3%
1/12 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
16.7%
2/12 • Number of events 2 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
Nervous system disorders
Right lower extremity tingling
0.00%
0/13 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
0.00%
0/12 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.
8.3%
1/12 • Number of events 1 • Adverse events were collected for 12 weeks in active treatment group and sham treatment groups. Sham patients that continued to the open label active PTNS treatment phase were monitored for 12 weeks.
Adverse events were collected at each visit by asking the participant if there were any changes to their medical history, hospitalizations, or new acute conditions.

Additional Information

Jennifer Giordano, RN BSN Clinical Research Manager

William Beaumont Hosptial

Phone: 248-551-3517

Results disclosure agreements

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