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(Hyoscine Butylbromide) for Abdominal Pain Associated With Cramping on Demand Basis

A Double-blind, Placebo-controlled, Randomized, Parallel-group Pilot Study of the Efficacy and Safety of Oral Doses of 20 mg Hyoscine Butylbromide When Used on Demand for the Treatment of Self-reported Functional Abdominal Pain Associated With Cramping

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00932737
Enrollment
197
Registered
2009-07-03
Start date
2009-06-09
Completion date
2010-02-08
Last updated
2022-05-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Abdominal Pain

Brief summary

The primary objective of this pilot study is to assess effects of Hyoscine Butylbromide (HBB) 20 mg in comparison to placebo, when used as needed, as measured by the subject's assessment of intensity of abdominal pain associated with cramping (APC) in the treatment of two episodes.

Interventions

DRUGPlacebo

1-5 tablets per episode

DRUGHBB 20 mg

Active drug, one to five tablets per episode

Sponsors

Boehringer Ingelheim
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

History of recurrent abdominal pain with cramping (APC) for at least three months. Recorded at least two episodes of APC of at least moderate intensity (i.e., 5 or above on a 0-10 point scale) lasting one hour in the eDiary during the run-in period.

Exclusion criteria

Experiencing daily episode of APC during Run-in period Active gastrointestinal disease during the past 12 months including malignancy, inflammatory bowel disease, celiac disease or complete or partial bowel obstruction and who have undergone major gastrointestinal surgery with the past 12 months (patients with history of appendectomy, cholecystectomy, bilateral tubal ligation and c-section within past 12 months are allowed in the study).

Design outcomes

Primary

MeasureTime frameDescription
Number of Tablets of Study Medication TakenFrom intake of first tablet of study medication up to 4 hours thereafter in each episode.Number of tablets of study medication taken in each of the two episode.
Percentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 1At 4 hours after intake of first tablet of study medication in episode 1The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine). Responses of no pain (NPRS = 0) based on the 0 to 10 point NPRS scale were summarized.
Percentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 2At 4 hours after intake of first tablet of study medication in episode 2The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine). Responses of no pain (NPRS = 0) based on the 0 to 10 point NPRS scale were summarized.
Percentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 1At 4 hours after intake of first tablet of study medication in episode 1At episode 1, after the intake of first tablet of study medication, the patient then responded to the question of Compared to just before you took the first tablet of study medication, how would you rate your abdominal pain associated with cramping now? based on the Patient global impression of change (PGI-C), using the available responses: Much better, Somewhat better, A little better, No change, A little worse, and Somewhat worse.
Percentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 2At 4 hours after intake of first tablet of study medication in episode 2At episode 2, after the intake of first tablet of study medication, the patient then responded to the question of Compared to just before you took the first tablet of study medication, how would you rate your abdominal pain associated with cramping now? based on the Patient global impression of change (PGI-C), using the available responses: Much better, Somewhat better, A little better, No change, A little worse, and Somewhat worse.
Percentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 1At 4 hours after intake of first tablet of study medication in episode 1At episode 1, after the intake of first tablet of study medication, the patient then responded to the question of Overall, how satisfied were you with the medication in terms of effectiveness for this episode? based on the 4-point Verbal rating scale (VRS) using the available response: Very Satisfied, Satisfied, Dissatisfied, and Very Dissatisfied.
Percentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 2At 4 hours after intake of first tablet of study medication in episode 2At episode 2, after the intake of first tablet of study medication, the patient then responded to the question of Overall, how satisfied were you with the medication in terms of effectiveness for this episode? based on the 4-point Verbal rating scale (VRS) using the available response: Very Satisfied, Satisfied, Dissatisfied, and Very Dissatisfied.
Time to Relief in Episode 1From intake of first tablet of study medication up to 4 hours thereafter in episode 1Time from intake of first tablet of study medication to first response of no pain (numeric pain rating scale (NPRS) = 0) in episode 1.
Time to Relief in Episode 2From intake of first tablet of study medication up to 4 hours thereafter in episode 2Time from intake of first tablet of study medication to first response of no pain (numeric pain rating scale (NPRS) = 0) in episode 2.
Change From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 1At baseline (prior to intake of first tablet of study medication in episode 1) until 4 hours thereafter or until the patient had responded that their pain was absent, up to 4 hoursThe intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).
Change From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 2At baseline (prior to intake of first tablet of study medication in episode 2) until 4 hours thereafter or until the patient had responded that their pain was absent, up to 4 hours.The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).
Area Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 1At baseline (prior to intake of first tablet of study medication for episode 1) and 15 minutes(min), 30min, 45min, 1 hour(h), 1h30min, 2h, 2h30min, 3h, 3h30min, and 4h thereafter.The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).
Area Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 2At baseline (prior to intake of first tablet of study medication for episode 2) and 15 minutes(min), 30min, 45min, 1 hour(h), 1h30min, 2h, 2h30min, 3h, 3h30min, and 4h thereafter.The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).

Secondary

MeasureTime frameDescription
Number of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1At 4 hours after intake of first tablet of study medication in episode 1Patient's global assessment of tolerability following treatment of an episode of Abdominal pain associated with cramping (APC) was based on a 4-point Verbal rating scale (VRS) in patient's response to the question, Overall, how satisfied were you with the medication in terms of side effects during this episode? (Very Satisfied, Satisfied, Dissatisfied, Very Dissatisfied).
Change From Baseline to End of Study Visit in Systolic Blood PressureAt baseline (intake of the first tablet of trial medication in the study) and day 28 (end of study visit)Change from baseline (intake of the first tablet of trial medication in the study) to end of study visit in systolic blood pressure.
Number of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2At 4 hours after intake of first tablet of study medication in episode 2Patient's global assessment of tolerability following treatment of an episode of Abdominal pain associated with cramping (APC) was based on a 4-point Verbal rating scale (VRS) in patient's response to the question, Overall, how satisfied were you with the medication in terms of side effects during this episode? (Very Satisfied, Satisfied, Dissatisfied, Very Dissatisfied)
Change From Baseline to End of Study Visit in Diastolic Blood PressureAt baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visitChange from baseline (intake of the first tablet of trial medication in the study) to end of study visit in diastolic blood pressure.
Change From Baseline to End of Study Visit in Pulse RateAt baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visitChange from baseline (intake of the first tablet of trial medication in the study) to end of study visit in pulse rate.
Change From Baseline to End of Study Visit in Body TemperatureAt baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visitChange from baseline (intake of the first tablet of trial medication in the study) to end of study visit in body temperature.
Change From Baseline to End of Study Visit in Respiratory RateAt baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visitChange from baseline (intake of the first tablet of trial medication in the study) to end of study visit in respiratory rate.
Percentage of Patients With Drug-related Adverse EventsFrom the first dose of study medication until 3 days after the last dose for each episode. Up to 8 days.

Countries

United States

Participant flow

Recruitment details

This double-blind, placebo-controlled, randomized, parallel-group pilot study aimed to assess the efficacy and safety of oral doses of 20 milligram hyoscine butylbromide when used on demand for the treatment of abdominal pain associated with cramping over a treatment period of 4 weeks.

Pre-assignment details

Only subjects that met all the study inclusion and none of the exclusion criteria were to be entered in the study. All subjects were free to withdraw from the clinical trial at any time for any reason given. 22 enrolled subjects didn't receive any trial medication

Participants by arm

ArmCount
Placebo
Up to 5 film-coated tablets of 20 milligram (mg) matching placebo (Tota up to 100 mg) were administered orally per episode. One or two episodes of Abdominal pain associated with cramping (APC) were treated up to 2 hours each within 4 weeks.
87
Hyoscine Butylbromide (Buscopan®) 20 mg
Up to 5 film-coated tablets of 20 milligram (mg) of Hyoscine butylbromide (Buscopan®) (Total up to 100 mg) were administered orally per episode. One or two episodes of Abdominal pain associated with cramping (APC) were treated up to 2 hours each within 4 weeks.
88
Total175

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event01
Overall StudyNot treated in second episode10

Baseline characteristics

CharacteristicHyoscine Butylbromide (Buscopan®) 20 mgTotalPlacebo
Age, Continuous39.7 Years
STANDARD_DEVIATION 15
38.4 Years
STANDARD_DEVIATION 13.3
37.0 Years
STANDARD_DEVIATION 11.3
Numeric pain rating scale (NPRS) for intensity of APC in episode 17.57 Score on a scale
STANDARD_DEVIATION 1.42
7.62 Score on a scale
STANDARD_DEVIATION 1.55
7.67 Score on a scale
STANDARD_DEVIATION 1.67
Numeric pain rating scale (NPRS) for intensity of APC in episode 27.73 Score on a scale
STANDARD_DEVIATION 1.44
7.79 Score on a scale
STANDARD_DEVIATION 1.47
7.86 Score on a scale
STANDARD_DEVIATION 1.51
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants1 Participants1 Participants
Race (NIH/OMB)
Asian
0 Participants1 Participants1 Participants
Race (NIH/OMB)
Black or African American
34 Participants67 Participants33 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
54 Participants106 Participants52 Participants
Sex: Female, Male
Female
62 Participants130 Participants68 Participants
Sex: Female, Male
Male
26 Participants45 Participants19 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 870 / 88
other
Total, other adverse events
0 / 870 / 88
serious
Total, serious adverse events
0 / 871 / 88

Outcome results

Primary

Area Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 1

The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).

Time frame: At baseline (prior to intake of first tablet of study medication for episode 1) and 15 minutes(min), 30min, 45min, 1 hour(h), 1h30min, 2h, 2h30min, 3h, 3h30min, and 4h thereafter.

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (MEAN)Dispersion
PlaceboArea Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 1-3.71 Score * hoursStandard Deviation 2.42
Hyoscine Butylbromide (Buscopan®) 20 mgArea Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 1-4.32 Score * hoursStandard Deviation 2.27
Comparison: The analysis of covariance (ANCOVA) was performed on the change from baseline to the last recorded rating of intensity for each treated episode of Abdominal pain associated with cramping (APC). The statistical model included the main effects of treatment, episode, and center as well as terms for the treatment-by-episode interaction, with baseline intensity of APC for the respective episode as a covariate.p-value: 0.035195% CI: [-1.3, 0]ANCOVA
Primary

Area Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 2

The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).

Time frame: At baseline (prior to intake of first tablet of study medication for episode 2) and 15 minutes(min), 30min, 45min, 1 hour(h), 1h30min, 2h, 2h30min, 3h, 3h30min, and 4h thereafter.

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (MEAN)Dispersion
PlaceboArea Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 2-4.17 Score * hoursStandard Deviation 2.51
Hyoscine Butylbromide (Buscopan®) 20 mgArea Under the Curve (AUC) Calculated From the Responses to the Numeric Pain Rating Scale (NPRS) Scores in Episode 2-4.40 Score * hoursStandard Deviation 2.32
Comparison: The analysis of covariance (ANCOVA) was performed on the change from baseline to the last recorded rating of intensity for each treated episode of Abdominal pain associated with cramping (APC). The statistical model included the main effects of treatment, episode, and center as well as terms for the treatment-by-episode interaction, with baseline intensity of APC for the respective episode as a covariate.p-value: 0.355795% CI: [-1, 0.4]ANCOVA
Primary

Change From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 1

The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).

Time frame: At baseline (prior to intake of first tablet of study medication in episode 1) until 4 hours thereafter or until the patient had responded that their pain was absent, up to 4 hours

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 1-2.7 Score on a scaleStandard Deviation 3.1
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 1-3.1 Score on a scaleStandard Deviation 3.05
Comparison: A model included fixed, categorical effects of treatment group, episode, interval and center, as well as the treatment-by-episode interaction, with the covariate of baseline intensity of Abdominal pain associated with cramping . An unstructured covariance structure was used to model the within-patient errors.p-value: 0.015695% CI: [-1.3, -0.1]Mixed effect model
Primary

Change From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 2

The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine).

Time frame: At baseline (prior to intake of first tablet of study medication in episode 2) until 4 hours thereafter or until the patient had responded that their pain was absent, up to 4 hours.

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 2-2.9 Score on a scaleStandard Deviation 3.15
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline in Intensity of Abdominal Pain Associated With Cramping Following Treatment Based on the Numeric Pain Rating Scale (NPRS) in Episode 2-3.2 Score on a scaleStandard Deviation 3.06
Comparison: A model included fixed, categorical effects of treatment group, episode, interval and center, as well as the treatment-by-episode interaction, with the covariate of baseline intensity of Abdominal pain associated with cramping . An unstructured covariance structure was used to model the within-patient errors.p-value: 0.051295% CI: [-1.2, 0]Mixed effect model
Primary

Number of Tablets of Study Medication Taken

Number of tablets of study medication taken in each of the two episode.

Time frame: From intake of first tablet of study medication up to 4 hours thereafter in each episode.

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboNumber of Tablets of Study Medication TakenEpisode 13.5 TabletsStandard Deviation 1.2
PlaceboNumber of Tablets of Study Medication TakenEpisode 23.1 TabletsStandard Deviation 1.5
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Tablets of Study Medication TakenEpisode 13.3 TabletsStandard Deviation 1.3
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Tablets of Study Medication TakenEpisode 23.0 TabletsStandard Deviation 1.4
Primary

Percentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 1

At episode 1, after the intake of first tablet of study medication, the patient then responded to the question of Overall, how satisfied were you with the medication in terms of effectiveness for this episode? based on the 4-point Verbal rating scale (VRS) using the available response: Very Satisfied, Satisfied, Dissatisfied, and Very Dissatisfied.

Time frame: At 4 hours after intake of first tablet of study medication in episode 1

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 115.79 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 130.43 Percentage of participants
p-value: 0.0395% CI: [1.093, 5.604]Regression, Logistic
Primary

Percentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 2

At episode 2, after the intake of first tablet of study medication, the patient then responded to the question of Overall, how satisfied were you with the medication in terms of effectiveness for this episode? based on the 4-point Verbal rating scale (VRS) using the available response: Very Satisfied, Satisfied, Dissatisfied, and Very Dissatisfied.

Time frame: At 4 hours after intake of first tablet of study medication in episode 2

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 232.31 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Participants With Response Based on the 4-point Verbal Rating Scale (VRS) of Very Satisfied in Episode 243.33 Percentage of participants
p-value: 0.16795% CI: [0.81, 3.378]Regression, Logistic
Primary

Percentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 1

At episode 1, after the intake of first tablet of study medication, the patient then responded to the question of Compared to just before you took the first tablet of study medication, how would you rate your abdominal pain associated with cramping now? based on the Patient global impression of change (PGI-C), using the available responses: Much better, Somewhat better, A little better, No change, A little worse, and Somewhat worse.

Time frame: At 4 hours after intake of first tablet of study medication in episode 1

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 179.31 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 173.86 Percentage of participants
p-value: 0.39695% CI: [0.365, 1.49]Regression, Logistic
Primary

Percentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 2

At episode 2, after the intake of first tablet of study medication, the patient then responded to the question of Compared to just before you took the first tablet of study medication, how would you rate your abdominal pain associated with cramping now? based on the Patient global impression of change (PGI-C), using the available responses: Much better, Somewhat better, A little better, No change, A little worse, and Somewhat worse.

Time frame: At 4 hours after intake of first tablet of study medication in episode 2

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 276.39 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Participants With Response Based on the Patient Global Impression of Change (PGI-C) of Much Better in Episode 280.77 Percentage of participants
p-value: 0.44895% CI: [0.632, 2.827]Regression, Logistic
Primary

Percentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 1

The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine). Responses of no pain (NPRS = 0) based on the 0 to 10 point NPRS scale were summarized.

Time frame: At 4 hours after intake of first tablet of study medication in episode 1

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 165.52 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 167.05 Percentage of participants
p-value: 0.83195% CI: [0.572, 2.004]Regression, Logistic
Primary

Percentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 2

The intensity of Abdominal pain associated with cramping was rated on an 11-point numeric pain rating scale (NPRS) ranging from 0 (no pain) to 10 (pain as bad as you can imagine). Responses of no pain (NPRS = 0) based on the 0 to 10 point NPRS scale were summarized.

Time frame: At 4 hours after intake of first tablet of study medication in episode 2

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 269.44 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Participants With Response of no Pain Based on Numeric Pain Rating Scale (NPRS) in Episode 271.79 Percentage of participants
p-value: 0.55795% CI: [0.626, 2.387]Regression, Logistic
Primary

Time to Relief in Episode 1

Time from intake of first tablet of study medication to first response of no pain (numeric pain rating scale (NPRS) = 0) in episode 1.

Time frame: From intake of first tablet of study medication up to 4 hours thereafter in episode 1

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (MEDIAN)
PlaceboTime to Relief in Episode 1172.0 Minutes
Hyoscine Butylbromide (Buscopan®) 20 mgTime to Relief in Episode 1130.0 Minutes
p-value: 0.256Log Rank
Primary

Time to Relief in Episode 2

Time from intake of first tablet of study medication to first response of no pain (numeric pain rating scale (NPRS) = 0) in episode 2.

Time frame: From intake of first tablet of study medication up to 4 hours thereafter in episode 2

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureValue (MEDIAN)
PlaceboTime to Relief in Episode 2150.0 Minutes
Hyoscine Butylbromide (Buscopan®) 20 mgTime to Relief in Episode 2120.0 Minutes
p-value: 0.5179Log Rank
Secondary

Change From Baseline to End of Study Visit in Body Temperature

Change from baseline (intake of the first tablet of trial medication in the study) to end of study visit in body temperature.

Time frame: At baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visit

Population: Treated set: This patient set includes all randomized patients who were dispensed study medication during treatment period and were documented to have taken at least one dose of investigational treatment.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to End of Study Visit in Body Temperature-0.053 celsiusStandard Deviation 0.508
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline to End of Study Visit in Body Temperature-0.036 celsiusStandard Deviation 0.367
Secondary

Change From Baseline to End of Study Visit in Diastolic Blood Pressure

Change from baseline (intake of the first tablet of trial medication in the study) to end of study visit in diastolic blood pressure.

Time frame: At baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visit

Population: Treated set: This patient set includes all randomized patients who were dispensed study medication during treatment period and were documented to have taken at least one dose of investigational treatment.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to End of Study Visit in Diastolic Blood Pressure0.21 millimetre of mercury (mmHg)Standard Deviation 7.19
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline to End of Study Visit in Diastolic Blood Pressure0.82 millimetre of mercury (mmHg)Standard Deviation 8.37
Secondary

Change From Baseline to End of Study Visit in Pulse Rate

Change from baseline (intake of the first tablet of trial medication in the study) to end of study visit in pulse rate.

Time frame: At baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visit

Population: Treated set: This patient set includes all randomized patients who were dispensed study medication during treatment period and were documented to have taken at least one dose of investigational treatment.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to End of Study Visit in Pulse Rate-0.9 beats per minute (bpm)Standard Deviation 11.1
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline to End of Study Visit in Pulse Rate0.8 beats per minute (bpm)Standard Deviation 9.1
Secondary

Change From Baseline to End of Study Visit in Respiratory Rate

Change from baseline (intake of the first tablet of trial medication in the study) to end of study visit in respiratory rate.

Time frame: At baseline (intake of the first tablet of trial medication in the study) and day 28 of end of study visit

Population: Treated set: This patient set includes all randomized patients who were dispensed study medication during treatment period and were documented to have taken at least one dose of investigational treatment.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to End of Study Visit in Respiratory Rate0.0 breaths per minuteStandard Deviation 2.4
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline to End of Study Visit in Respiratory Rate0.2 breaths per minuteStandard Deviation 2.2
Secondary

Change From Baseline to End of Study Visit in Systolic Blood Pressure

Change from baseline (intake of the first tablet of trial medication in the study) to end of study visit in systolic blood pressure.

Time frame: At baseline (intake of the first tablet of trial medication in the study) and day 28 (end of study visit)

Population: Treated set: This patient set includes all randomized patients who were dispensed study medication during treatment period and were documented to have taken at least one dose of investigational treatment.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to End of Study Visit in Systolic Blood Pressure2.52 millimetre of mercury (mmHg)Standard Deviation 11.79
Hyoscine Butylbromide (Buscopan®) 20 mgChange From Baseline to End of Study Visit in Systolic Blood Pressure-0.76 millimetre of mercury (mmHg)Standard Deviation 10.84
Secondary

Number of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1

Patient's global assessment of tolerability following treatment of an episode of Abdominal pain associated with cramping (APC) was based on a 4-point Verbal rating scale (VRS) in patient's response to the question, Overall, how satisfied were you with the medication in terms of side effects during this episode? (Very Satisfied, Satisfied, Dissatisfied, Very Dissatisfied).

Time frame: At 4 hours after intake of first tablet of study medication in episode 1

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Very satisfied24 Participants
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Satisfied45 Participants
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Dissatisfied7 Participants
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Very dissatisfied0 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Very dissatisfied0 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Very satisfied36 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Dissatisfied4 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 1Satisfied29 Participants
Secondary

Number of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2

Patient's global assessment of tolerability following treatment of an episode of Abdominal pain associated with cramping (APC) was based on a 4-point Verbal rating scale (VRS) in patient's response to the question, Overall, how satisfied were you with the medication in terms of side effects during this episode? (Very Satisfied, Satisfied, Dissatisfied, Very Dissatisfied)

Time frame: At 4 hours after intake of first tablet of study medication in episode 2

Population: Full analysis set (FAS): This patient set includes all treated patients who experienced at least one episode of Abdominal pain associated with cramping (APC) and took at least one dose of study medication to treat the symptoms and had baseline rating of APC in that episode over a four week period following randomization.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Very satisfied27 Participants
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Satisfied34 Participants
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Dissatisfied3 Participants
PlaceboNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Very dissatisfied1 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Very dissatisfied0 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Very satisfied34 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Dissatisfied1 Participants
Hyoscine Butylbromide (Buscopan®) 20 mgNumber of Participants Per Verbal Rating Scale Assessing Participant's Global Assessment of Tolerability in Episode 2Satisfied25 Participants
Secondary

Percentage of Patients With Drug-related Adverse Events

Time frame: From the first dose of study medication until 3 days after the last dose for each episode. Up to 8 days.

Population: Treated set: This patient set includes all randomized patients who were dispensed study medication during treatment period and were documented to have taken at least one dose of investigational treatment.

ArmMeasureValue (NUMBER)
PlaceboPercentage of Patients With Drug-related Adverse Events4.6 Percentage of participants
Hyoscine Butylbromide (Buscopan®) 20 mgPercentage of Patients With Drug-related Adverse Events3.4 Percentage of participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026