MedPath

Dulcolax vs Placebo in Functional Constipation

Phase 3
Completed
Conditions
Constipation
Interventions
Registration Number
NCT00526097
Lead Sponsor
Boehringer Ingelheim
Brief Summary

The objective of the study was to compare the efficacy and safety of 4 weeks treatment with bisacodyl (Dulcolax) tablets 10 mg to placebo in patients with functional constipation. In addition, the effect of treatment on quality of life and general health status was evaluated.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
368
Inclusion Criteria
  1. Male and female patients, aged 18 and above

  2. Suffering from functional constipation, according to their medical history, as defined by the Rome III diagnostic criteria , i.e.:Criteria fulfilled for the last 3 months with symptom onset at least 6 months prior to diagnosis.

    1. Must include 2 or more of the following::

      • straining during at least 25% of the defecations
      • lumpy or hard stools in at least 25% of the defecations
      • sensation of incomplete evacuation for at least 25% of the defecations
      • sensation of anorectal obstruction/blockade for at least 25% of the defecations
      • manual manoeuvres to facilitate at least 25% of the defecations (e.g. digital evacuation, support of the pelvic floor)
      • fewer than 3 defecations per week
    2. Loose stools are rarely present without the use of laxatives

    3. There are insufficient criteria for irritable bowel syndrome (IBS)

  3. Able and willing to complete a daily e-diary

  4. Able and willing to use the trial rescue medication

  5. Signed and dated written informed consent prior to enrolment into the study in accordance with GCP and local legislation

    At Visit 2, patients must comply with the following additional inclusion criteria to be eligible for entry into the treatment phase:

  6. Functional constipation is confirmed by e-diary data at the end of the baseline period:

    a. An average of less than 3 CSBMs per week, together with at least one of the following symptoms occurring at least 25% of the time:

    • straining
    • incomplete evacuation
    • lumpy or hard stools (i.e. type 1 or type 2 stools)
  7. Compliant with the use of the e-diary throughout the baseline period (compliance is defined as completing 80% of the evening reports)

  8. Compliant with the use of rescue medication throughout the baseline period. Compliance is defined as follows:

    • rescue medication may be used if there has not been a bowel movement for more than 72 hrs rescue medication may not be used on either day -1 or on the day of randomisation (day 1)
Exclusion Criteria
  1. Eating disorders such as anorexia nervosa and bulimia, as a cause of excessive use of laxatives

  2. Patients whose constipation is caused by primary organic disease of the colon or pelvic floor

  3. Patients with metabolic disorders, neurological disorders, severe or psychiatric disorders, or any other significant disease or intercurrent illness (e.g. abdominal/gastrointestinal surgery) that, in the Investigators opinion, would interfere with participation in the trial

  4. Patients with restricted mobility (e.g. wheelchair bound, or bed-ridden) that, in the Investigators opinion, would interfere with participation in the trial

  5. Patients with a known hypersensitivity to bisacodyl or any other ingredient in the study medication

  6. Patients with ileus, intestinal obstruction, acute surgical abdominal conditions (such as acute appendicitis and acute inflammatory bowel diseases), or severe dehydration

  7. Patients with anal fissures or ulcerative proctitis with mucosal damage

  8. Patients with known clinically significant abnormal electrolyte values

  9. Patients whose concomitant therapy includes an opioid medication (e.g. morphine, codeine)

  10. Constipation which, in the Investigators opinion, is caused by medication (e.g. anticholinergics)

  11. Patients who are not willing to discontinue the use of prohibited concomitant therapy

  12. Pre-menopausal women who:

    1. are nursing (breast-feeding) or who are pregnant OR

    2. who are of child-bearing potential and are not practicing an acceptable method of birth control, or do not plan to continue using this method throughout the study. Acceptable methods of birth control include:

      • transdermal patch
      • intra-uterine devices/systems (IUDs/IUSs)
      • oral, implantable or injectable contraceptives
      • sexual abstinence
      • sterilisation or a vasectomised partner
  13. Participation in another trial with an investigational product with 1 month of enrolment into this study

  14. Drug or alcohol abuse

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Bisacodyl 5 mg x 2 once dailyBisacodyl 10 mgpatient to receive two enteric-coated tablets containing 5 mg bisacodyl
PlaceboPlacebopatient to receive two placebo-to-match enteric-coated tablets 5 mg bisacodyl
Primary Outcome Measures
NameTimeMethod
Mean Number of Complete Spontaneous Bowel Movements (CSBMs) Per Week Over the 4 Weeks Treatment Period4 Weeks

A Complete Spontaneous Bowel Movement (CSBM) is a complete non-rescue medication-induced stool.

The number of CSBMs in each of the 4 weeks was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer. The sum of the resulting numbers were divided by the number of weeks with data.

Secondary Outcome Measures
NameTimeMethod
Number of SBMs at Week 3Week 3 in treatment period

The number of SBMs at week 3 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of SBMs at Week 4Week 4 in treatment period

The number of SBMs at week 4 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of Participants With an Increase of at Least 1 CSBM at Week 1 Compared to BaselineBaseline and week 1 in treatment period
Number of Participants Using Rescue Medication at Week 3 in the Treatment PeriodWeek 3 in the treatment period
Change From Baseline in the Mean Score for Constipation Symptom 'Straining' at Week 2Baseline and week 2 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Number of CSBMs at Week 1Week 1 in treatment period

The number of CSBMs at week 1 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of CSBMs at Week 3Week 3 in treatment period

The number of CSBMs at week 3 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of CSBMs at Week 4Week 4 in treatment period

The number of CSBMs at week 4 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of CSBMs at Week 2Week 2 in treatment period

The number of CSBMs at week 2 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of SBMs at Week 1Week 1 in treatment period

The number of SBMs at week 1 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Time to the First SBM Following the First Dose of Study Medication (SM)Time of first dose of SM up to 4 weeks

The time to the first SBM following the first dose of SM was captured by the eDiary. The time was censored by the time of intake of rescue medication (RM), the time of premature discontinuation or the end of treatment whatever was minimal.

Number of Participants With a Mean of at Least 1 CSBM a Day Over the 4 Weeks Treatment Period4 weeks
Number of Premature Withdrawals Over the 4 Weeks Treatment Period4 weeks
Number of Participants With an Increase of at Least 1 CSBM at Week 2 Compared to BaselineBaseline and week 2 in treatment period
Number of Premature Withdrawals at Week 1 in the Treatment PeriodWeek 1 in the treatment period
Number of Participants Using Rescue Medication at Week 2 in the Treatment PeriodWeek 2 in the treatment period
Mean Number of SBMs Per Week Over the 4 Weeks Treatment Period4 Weeks

A Spontaneous Bowel Movement (SBM) is a non-rescue medication-induced stool. The number of SBMs in each of the 4 weeks was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer. The sum of the resulting numbers were divided by the number of weeks with data.

Number of SBMs at Week 2Week 2 in treatment period

The number of SBMs at week 2 was divided by the number of days where data were available in this week, multiplied by 7 and rounded off to the next integer.

Number of Participants With an Increase of at Least 1 in the Mean Number of CSBMs Per Week Over the 4 Weeks Treatment Period Compared to BaselineBaseline and 4 weeks
Number of Participants With an Increase of at Least 1 CSBM at Week 3 Compared to BaselineBaseline and week 3 in treatment period
Number of Participants With an Increase of at Least 1 CSBM at Week 4 Compared to BaselineBaseline and week 4 in treatment period
Number of Premature Withdrawals at Week 2 in the Treatment PeriodWeek 2 in the treatment period
Number of Premature Withdrawals at Week 3 in the Treatment PeriodWeek 3 in the treatment period
Change From Baseline in the Mean Score for Constipation Symptom 'Stool Quality' at Week 4Baseline and week 4 in treatment period

The score on the 7-point Bristol Stool Form Scale from Type 1 (hard, lumpy stool) to Type 7 (watery stool) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Sensation of Incomplete Evacuation' at Week 3Baseline and week 3 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline for Sodium (Normalized Value)Baseline and 4 weeks

Normalized value: the reported laboratory value is converted by linear transformation to a preferred unit and then linear-transformed with respect to the standard reference range

Number of Participants With a Mean of at Least 3 CSBMs a Week Over the 4 Weeks Treatment Period4 weeks
Number of Premature Withdrawals at Week 4 in the Treatment PeriodWeek 4 in the treatment period
Number of Participants Using Rescue Medication Over the 4 Weeks Treatment Period4 weeks
Change From Baseline in the Mean Score for Constipation Symptom 'Stool Quality' at Week 3Baseline and week 3 in treatment period

The score on the 7-point Bristol Stool Form Scale from Type 1 (hard, lumpy stool) to Type 7 (watery stool) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Sensation of Incomplete Evacuation' at Week 2Baseline and week 2 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Manual Manoeuvre' at Week 1Baseline and week 1 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Number of Participants Using Rescue Medication at Week 1 in the Treatment PeriodWeek 1 in the treatment period
Change From Baseline in the Mean Score for Constipation Symptom 'Straining' at Week 1Baseline and week 1 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Straining' at Week 3Baseline and week 3 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Straining' at Week 4Baseline and week 4 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Stool Quality' at Week 2Baseline and week 2 in treatment period

The score on the 7-point Bristol Stool Form Scale from Type 1 (hard, lumpy stool) to Type 7 (watery stool) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Sensation of Incomplete Evacuation' at Week 4Baseline and week 4 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Bloating at Week 4 in the Treatment Period in Comparison to BaselineBaseline and week 4 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal bloating is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Respect to the Final Global Assessment of Tolerability by the Patient4 weeks

Final global assessment scale range: 1 (good) to 4 (bad), ordinal

Change From Baseline in the SF-36 Dimension 'Physical Functioning'Baseline and 4 weeks

The dimension is a sum of 10 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Number of Participants Using Rescue Medication at Week 4 in the Treatment PeriodWeek 4 in the treatment period
Change From Baseline in the Mean Score for Constipation Symptom 'Sensation of Incomplete Evacuation' at Week 1Baseline and week 1 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Manual Manoeuvre' at Week 4Baseline and week 4 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Constipation at Week 4 in the Treatment Period in Comparison to BaselineBaseline and week 4 in the treatment period

Reduced / unchanged / increased bothersomeness of constipation is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Bloating at Week 2 in the Treatment Period in Comparison to BaselineBaseline and week 2 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal bloating is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Discomfort at Week 1 in the Treatment Period in Comparison to BaselineBaseline and week 1 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal discomfort is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Change From Baseline in the Mean Score for Constipation Symptom 'Stool Quality' at Week 1Baseline and week 1 in treatment period

The score on the 7-point Bristol Stool Form Scale from Type 1 (hard, lumpy stool) to Type 7 (watery stool) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Anorectal Obstructions/Blockade' at Week 4Baseline and week 4 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Number of Participants With Improved, Unchanged or Worsened Overall Satisfaction With Bowel Habits at Week 2 in the Treatment Period in Comparison to BaselineBaseline and week 2 in the treatment period

Improved / unchanged / worsened overall satisfaction is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (A very great deal satisfied) to 4 (Not at all satisfied) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Constipation at Week 3 in the Treatment Period in Comparison to BaselineBaseline and week 3 in the treatment period

Reduced / unchanged / increased bothersomeness of constipation is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Change From Baseline in the SF-36 Dimension 'General Health'Baseline and 4 weeks

The dimension is a sum of 5 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Change From Baseline in the SF-36 Mental Component Scale (MCS)Baseline and 4 weeks

The MCS is a summary scale of the dimensions vitality, social functioning, role-emotional, and mental health. The component scale is norm-based to a standard population. A higher score indicates a better health.

Change From Baseline in the PAC-QoL Subscale 'Psychosocial Discomfort'Baseline and 4 weeks

The PAC-QoL is a 28-item (5-point Likert scale ranging from 0 (none of the time or not at all) to 4 (all of the time or extremely). Single item scores are inverted, if applicable, to ensure that a lower score indicates a better QoL

Change From Baseline in the PAC-QoL Overall ScoreBaseline and 4 weeks

The PAC-QoL is a 28-item (5-point Likert scale ranging from 0 (none of the time or not at all) to 4 (all of the time or extremely). Single item scores are inverted, if applicable, to ensure that a lower score indicates a better QoL

Change From Baseline in the Mean Score for Constipation Symptom 'Anorectal Obstructions/Blockade' at Week 1Baseline and week 1 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Anorectal Obstructions/Blockade' at Week 2Baseline and week 2 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Anorectal Obstructions/Blockade' at Week 3Baseline and week 3 in treatment period

The score on a 5-point ordinal verbal rating scale from 0 (absent) to 4 (very severe) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Manual Manoeuvre' at Week 2Baseline and week 2 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Change From Baseline in the Mean Score for Constipation Symptom 'Manual Manoeuvre' at Week 3Baseline and week 3 in treatment period

The score on a 2-point ordinal verbal rating scale from 0 (no) to 1 (yes) specifying patient's symptom assessment associated with each bowel movement was averaged over the day and then averaged over the days in the corresponding week.

Number of Participants With Improved, Unchanged or Worsened Overall Satisfaction With Bowel Habits at Week 3 in the Treatment Period in Comparison to BaselineBaseline and week 3 in the treatment period

Improved / unchanged / worsened overall satisfaction is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (A very great deal satisfied) to 4 (Not at all satisfied) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Constipation at Week 1 in the Treatment Period in Comparison to BaselineBaseline and week 1 in the treatment period

Reduced / unchanged / increased bothersomeness of constipation is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Discomfort at Week 2 in the Treatment Period in Comparison to BaselineBaseline and week 2 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal discomfort is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Discomfort at Week 3 in the Treatment Period in Comparison to BaselineBaseline and week 3 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal discomfort is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Change From Baseline in the SF-36 Dimension 'Vitality'Baseline and 4 weeks

The dimension is a sum of 4 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Number of Participants With Improved, Unchanged or Worsened Overall Satisfaction With Bowel Habits at Week 1 in the Treatment Period in Comparison to BaselineBaseline and week 1 in the treatment period

Improved / unchanged / worsened overall satisfaction is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (A very great deal satisfied) to 4 (Not at all satisfied) at the corresponding week in comparison to baseline

Number of Participants With Improved, Unchanged or Worsened Overall Satisfaction With Bowel Habits at Week 4 in the Treatment Period in Comparison to BaselineBaseline and week 4 in the treatment period

Improved / unchanged / worsened overall satisfaction is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (A very great deal satisfied) to 4 (Not at all satisfied) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Constipation at Week 2 in the Treatment Period in Comparison to BaselineBaseline and week 2 in the treatment period

Reduced / unchanged / increased bothersomeness of constipation is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Bloating at Week 1 in the Treatment Period in Comparison to BaselineBaseline and week 1 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal bloating is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Bloating at Week 3 in the Treatment Period in Comparison to BaselineBaseline and week 3 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal bloating is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Respect to the Final Global Assessment of Efficacy by the Investigator4 weeks

Final global assessment scale range: 1 (good) to 4 (bad), ordinal

Change From Baseline in the SF-36 Dimension 'Role Limitation Due to Physical Problems'Baseline and 4 weeks

The dimension is a sum of 4 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Change From Baseline in the SF-36 Dimension 'Bodily Pain'Baseline and 4 weeks

The dimension is a sum of 2 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Number of Participants With Reduced, Unchanged or Increased Bothersomeness With Abdominal Discomfort at Week 4 in the Treatment Period in Comparison to BaselineBaseline and week 4 in the treatment period

Reduced / unchanged / increased bothersomeness of abdominal discomfort is a decreased / unchanged / increased score on a 5-point ordinal VRS: 0 (Not at all bothersome) to 4 (A very great deal bothersome) at the corresponding week in comparison to baseline

Number of Participants With Respect to the Final Global Assessment of Efficacy by the Patient4 weeks

Final global assessment scale range: 1 (good) to 4 (bad), ordinal

Number of Participants With Respect to the Final Global Assessment of Tolerability by the Investigator4 weeks

Final global assessment scale range: 1 (good) to 4 (bad), ordinal

Change From Baseline in the SF-36 Dimension 'Social Functioning'Baseline and 4 weeks

The dimension is a sum of 2 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Change From Baseline in the PAC-QoL Subscale 'Worries and Concerns'Baseline and 4 weeks

The PAC-QoL is a 28-item (5-point Likert scale ranging from 0 (none of the time or not at all) to 4 (all of the time or extremely). Single item scores are inverted, if applicable, to ensure that a lower score indicates a better QoL

Change From Baseline in the SF-36 Dimension 'Role Limitation Due to Emotional Problems'Baseline and 4 weeks

The dimension is a sum of 3 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Change From Baseline in the SF-36 Dimension 'Mental Health'Baseline and 4 weeks

The dimension is a sum of 5 single items and then transferred to a scale ranging from 0 to 100. Single item scores are inverted, if applicable, to ensure that a higher score indicates a better health.

Change From Baseline in the SF-36 Physical Component Scale (PCS)Baseline and 4 weeks

The PCS is a summary scale of the subscales physical functioning, role-physical, bodily pain, and general health. The component scale is norm-based to a standard population. A higher score indicates a better health.

Change From Baseline for Potassium (Normalized Value)Baseline and 4 weeks

Normalized value: the reported laboratory value is converted by linear transformation to a preferred unit and then linear-transformed with respect to the standard reference range

Change From Baseline in the PAC-QoL Subscale 'Physical Discomfort'Baseline and 4 weeks

The PAC-QoL is a 28-item (5-point Likert scale ranging from 0 (none of the time or not at all) to 4 (all of the time or extremely). Single item scores are inverted, if applicable, to ensure that a lower score indicates a better QoL

Change From Baseline in the PAC-QoL Subscale 'Satisfaction'Baseline and 4 weeks

The PAC-QoL is a 28-item (5-point Likert scale ranging from 0 (none of the time or not at all) to 4 (all of the time or extremely). Single item scores are inverted, if applicable, to ensure that a lower score indicates a better QoL

Change From Baseline for Chloride (Normalized Value)Baseline and 4 weeks

Normalized value: the reported laboratory value is converted by linear transformation to a preferred unit and then linear-transformed with respect to the standard reference range

Trial Locations

Locations (27)

122.56.44011 Boehringer Ingelheim Investigational Site

🇬🇧

Bedworth, United Kingdom

122.56.44032 Boehringer Ingelheim Investigational Site

🇬🇧

Addlestone, United Kingdom

122.56.44018 Boehringer Ingelheim Investigational Site

🇬🇧

Ash Vale, Aldershot, United Kingdom

122.56.44029 Boehringer Ingelheim Investigational Site

🇬🇧

Ashford, United Kingdom

122.56.44023 Boehringer Ingelheim Investigational Site

🇬🇧

Atherstone, United Kingdom

122.56.44009 Boehringer Ingelheim Investigational Site

🇬🇧

Bennetthorpe, Doncaster, United Kingdom

122.56.44024 Boehringer Ingelheim Investigational Site

🇬🇧

Burbage, United Kingdom

122.56.44025 Boehringer Ingelheim Investigational Site

🇬🇧

Bexhill on Sea, United Kingdom

122.56.44012 Boehringer Ingelheim Investigational Site

🇬🇧

Blackpool, United Kingdom

122.56.44003 Boehringer Ingelheim Investigational Site

🇬🇧

Cardiff, United Kingdom

122.56.44017 Boehringer Ingelheim Investigational Site

🇬🇧

Chesterfield, United Kingdom

122.56.44014 Boehringer Ingelheim Investigational Site

🇬🇧

Chippenham, United Kingdom

122.56.44006 Boehringer Ingelheim Investigational Site

🇬🇧

Chorley, United Kingdom

122.56.44033 Boehringer Ingelheim Investigational Site

🇬🇧

Dundee, United Kingdom

122.56.44002 Boehringer Ingelheim Investigational Site

🇬🇧

Edgbaston, Birmingham, United Kingdom

122.56.44004 Boehringer Ingelheim Investigational Site

🇬🇧

Glasgow, United Kingdom

122.56.44020 Boehringer Ingelheim Investigational Site

🇬🇧

Leamington Spa, United Kingdom

122.56.44007 Boehringer Ingelheim Investigational Site

🇬🇧

Liverpool, United Kingdom

122.56.44010 Boehringer Ingelheim Investigational Site

🇬🇧

Midsomer Norton, United Kingdom

122.56.44026 Boehringer Ingelheim Investigational Site

🇬🇧

Sunbury-on-Thames, United Kingdom

122.56.44005 Boehringer Ingelheim Investigational Site

🇬🇧

Manchester, United Kingdom

122.56.44001 Boehringer Ingelheim Investigational Site

🇬🇧

Slough, United Kingdom

122.56.44021 Boehringer Ingelheim Investigational Site

🇬🇧

Newtonabbey, United Kingdom

122.56.44022 Boehringer Ingelheim Investigational Site

🇬🇧

Paignton, United Kingdom

122.56.44019 Boehringer Ingelheim Investigational Site

🇬🇧

Swindon, United Kingdom

122.56.44015 Boehringer Ingelheim Investigational Site

🇬🇧

Warminster, United Kingdom

122.56.44008 Boehringer Ingelheim Investigational Site

🇬🇧

Wolverhampton, United Kingdom

© Copyright 2025. All Rights Reserved by MedPath