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The purpose of this study is to assess psychometric properties (reliability and validity) of the Nocturia Impact (NI) diary.
To assess the association between reduction of number of nocturnal voids and the mean changes in NI scores (sensitivity of the NI total score to change in nocturia).
To assess which NI diary items account for the main difference in change in total NI score in treatment versus placebo.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Female - Desmopressin 25 μg | Experimental | Female participants took 1 tablet of 25 μg every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
|
| Female - Placebo | Placebo Comparator | Female participants took 1 tablet of placebo every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
|
| Male - Desmopressin 75 μg | Experimental | Male participants took 1 tablet 75 μg every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
|
| Male - Placebo | Placebo Comparator | Male participants took 1 tablet of placebo every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Desmopressin | Drug | Desmopressin orally disintegrating tablets. Female participants took a 25 μg tablet and male participants took a 75 μg tablet one hour prior to bedtime for one month. |
| Measure | Description | Time Frame |
|---|---|---|
| The Pearson Correlation Coefficient Between Change From Baseline to Month 1 in Number of Nocturnal Voids and Change From Baseline to Month 1 in Nocturia Impact (NI) Diary Total Score | This outcome is a measure of sensitivity of the NI Diary to change in nocturia. The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). Responses are scored from 0 (no impact) to 4 (highest impact); a lowering of score equals a decrease in impact caused by nocturia. The NI total score is the sum of the 11 core items scores. The NI total score was analyzable only if all 11 items (Q1-Q11) had non-missing responses. Otherwise, it was defined as missing. Missing values were not imputed. The average over the 3-day diary period prior to baseline (Day 1) and Month 1 was used for the overall impact score. The correlation was estimated using Fisher's z transformation, i.e. the NI total score was based on a standardized scale from 0 (lowest impact) to 100 (highest impact). Corresponding adjusted partial correlation coefficients were based on adjustments for mean number of Baseline voids, Baseline NI total score, age, and gender. | Day 1 (Baseline), Month 1 |
| Difference in Mean Change From Baseline to Month 1 in Nocturia Impact (NI) Total Scores and Overall Impact Question for Responders and Non-Responders | This outcome is a measure of sensitivity of the NI Diary to change in nocturia. The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). The NI total score is defined as the sum of the 11 core items scores. The overall impact question (Q12) and the NI total score were transformed using Fisher's z transformation, i.e. the scores were based on a standardized scale from 0 (lowest impact) to 100 (highest impact). The difference in mean change in NI total score for subjects who experienced a reduction from baseline of <33% in nocturnal voids at the Month 1 visit (non-responders) versus those with a reduction in nocturnal voids from Baseline of ≥33% (responders) was estimated. | Day 1 (Baseline), Month 1 |
| Cohen's D Effect Size in Responsiveness in the Nocturia Impact (NI) Total Scores and Overall Impact Question as Measured From Baseline (Day 1) to Month 1 | The responsiveness of the NI Diary was measured with Cohen's D effect size. The effect size was calculated for active treatment versus placebo, based on change from Baseline to Month 1. The effect size was evaluated as "small," "medium," or "large" if D was <=0.35, >0.35 - 0.65, or >0.65, respectively. Mean values are the Cohen's D effect size. Standard deviation is the pooled standard deviation. |
| Measure | Description | Time Frame |
|---|---|---|
| Internal Consistency of the Nocturia Impact (NI) Total Score for Each Day NI Diaries Were Completed Assessed as Cronbach's Alpha Values | Cronbach's alpha (CA) is a measure of the internal consistency of the Nocturia Impact (NI) Total scores. Higher scores indicate a more reliable (precise) instrument. A value of 0.70 set as the benchmark for declaring the scale as internally consistent. Cronbach's alpha was assessed for each of the three consecutive days NI diaries were completed during screening (Day -20 to Day -18), baseline (Day -2 to Day 1) and Month 1 (Day 28 to Day 30). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Clinical Development Support | Ferring Pharmaceuticals | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| South Florida Medical Research | Aventura | Florida | United States | |||
| Avail Clinical Research, LLC |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25236993 | Result | Holm-Larsen T, Andersson F, van der Meulen E, Yankov V, Rosen RC, Norgaard JP. The Nocturia Impact Diary: a self-reported impact measure to complement the voiding diary. Value Health. 2014 Sep;17(6):696-706. doi: 10.1016/j.jval.2014.06.007. Epub 2014 Aug 20. |
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A total of 67 subjects were screened and 11 subjects were screening failures: 5 due to signs of renal impairment, 4 did not have >=2 nocturnal voids every night in the 3-day screening period, 1 had uncontrolled diabetes mellitus, and 1 was leaving town for an undetermined period of time.
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| ID | Title | Description |
|---|---|---|
| FG000 | Placebo | Female and male participants took 1 tablet of placebo every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
| FG001 | Desmopressin | Female participants took 1 desmopressin 25 μg tablet and male participants took 1 tablet 75 μg every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | Placebo | Female and male participants took 1 tablet of placebo every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
| BG001 | Desmopressin |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Customized | Number |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | The Pearson Correlation Coefficient Between Change From Baseline to Month 1 in Number of Nocturnal Voids and Change From Baseline to Month 1 in Nocturia Impact (NI) Diary Total Score | This outcome is a measure of sensitivity of the NI Diary to change in nocturia. The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). Responses are scored from 0 (no impact) to 4 (highest impact); a lowering of score equals a decrease in impact caused by nocturia. The NI total score is the sum of the 11 core items scores. The NI total score was analyzable only if all 11 items (Q1-Q11) had non-missing responses. Otherwise, it was defined as missing. Missing values were not imputed. The average over the 3-day diary period prior to baseline (Day 1) and Month 1 was used for the overall impact score. The correlation was estimated using Fisher's z transformation, i.e. the NI total score was based on a standardized scale from 0 (lowest impact) to 100 (highest impact). Corresponding adjusted partial correlation coefficients were based on adjustments for mean number of Baseline voids, Baseline NI total score, age, and gender. | Full analysis set. Study results are reported as per the pre-planned statistical analysis plan on combined treatment groups. The study is a psychometric evaluation of a new PRO tool and is not designed to show treatment difference between active and placebo. | Posted | Number | 95% Confidence Interval | correlation coefficient | Day 1 (Baseline), Month 1 |
Day 1 up to Month 1
A TEAE was any adverse event occurring after start of treatment and within the time of residual drug effect, i.e. within one day of the last dose of desmopressin.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Placebo | Female and male participants took 1 tablet of placebo every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. |
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This was a patient reported outcome (PRO) validation study on a highly selective population (responders on active treatment and non-responsers on placebo from CS40/CS41) and not powered to look at efficacy.
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Clinical Development Support | Ferring Pharmaceuticals | DK0-Disclosure@ferring.com |
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| ID | Term |
|---|---|
| D053158 | Nocturia |
| ID | Term |
|---|---|
| D059411 | Lower Urinary Tract Symptoms |
| D020924 | Urological Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D003894 | Deamino Arginine Vasopressin |
| ID | Term |
|---|---|
| D001127 | Arginine Vasopressin |
| D014667 | Vasopressins |
| D010909 | Pituitary Hormones, Posterior |
| D010907 | Pituitary Hormones |
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|
| Placebo | Drug | Placebo to match the 25 μg tablet of active drug taken by female participants or the 75 μg tablet taken by males. One placebo tablet taken one hour prior to bedtime for one month. |
|
| Day 1 (Baseline), Month 1 |
| Screening (Day -20 to Day -18), Baseline (Day -2 to Day 1) and Treatment (Day 28 to Day 30) |
| Construct Validity For the Nocturia Impact (NI) Total Scores and Overall Impact Question (Q12) for Participants With High/Low Number of Nocturnal Voids | The known group validity was assessed by comparing participants who experienced ≥3 nocturnal voids to those who experienced <3 nocturnal voids, using the average over 3 days for the Screening and Baseline diaries. Results are reported for the NI Total Scores and the Overall Impact Question (Q12). The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). The NI total score is defined as the sum of the 11 core items scores. The overall impact question (Q12) and the NI total score were transformed using Fisher's z transformation, i.e. the scores were based on a standardized scale from 0 (lowest impact) to 100 (highest impact). | Screening (Day -20), Baseline (Day 1) |
| Change From Baseline to Month 1 on Nocturia Impact (NI) Total Score | The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). Responses are scored from 0 (no impact) to 4 (highest impact); the NI total score is the sum of the 11 core items scores (range of 0-44) which is then transformed to a 0-100 scale (high score indicates high impact). The NI total score was analyzable only if all 11 items (Q1-Q11) had non-missing responses. Otherwise, it was defined as missing. Missing values were not imputed. The average over the 3-day diary period prior to baseline (Day 1) and Month 1 was used for the overall impact score. Negative change from baseline scores indicate a decrease in impact caused by nocturia. | Baseline (Day -2 to Day 1), Treatment (Day 28-30) |
| Minimum Post-Treatment Serum Sodium Levels | Serum sodium levels were monitored since hyponatremia is a potential serious adverse event associated with daily doses of desmopressin. A participant was to be withdrawn from the trial if the serum sodium level was <=125 mmol/L at any time. | Day 1 up to 1 month |
| Summary of Participants With Treatment-Emergent Adverse Events (TEAEs) | A TEAE was any adverse event occurring after start of treatment and within the time of residual drug effect, i.e. within one day of the last dose of desmopressin. | Day 1 up to 1 month |
| DeLand |
| Florida |
| United States |
| Accelovance | Peoria | Illinois | United States |
| DM Clinical Research | Springfield | Massachusetts | United States |
| Beyer Research | Kalamazoo | Michigan | United States |
| Remedica LLC | Rochester | Michigan | United States |
| Accumed Research Associates | Garden City | New York | United States |
| Radiant Research, Inc. | Greer | South Carolina | United States |
| Quality Research, Inc. | San Antonio | Texas | United States |
| Radiant Research, Inc. | San Antonio | Texas | United States |
Female participants took 1 desmopressin 25 μg tablet and male participants took 1 tablet 75 μg every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month.
| BG002 | Total | Total of all reporting groups |
| participants |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Race/Ethnicity, Customized | Number | participants |
|
| Ethnic Origin | Number | participants |
|
|
|
|
|
| Primary | Difference in Mean Change From Baseline to Month 1 in Nocturia Impact (NI) Total Scores and Overall Impact Question for Responders and Non-Responders | This outcome is a measure of sensitivity of the NI Diary to change in nocturia. The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). The NI total score is defined as the sum of the 11 core items scores. The overall impact question (Q12) and the NI total score were transformed using Fisher's z transformation, i.e. the scores were based on a standardized scale from 0 (lowest impact) to 100 (highest impact). The difference in mean change in NI total score for subjects who experienced a reduction from baseline of <33% in nocturnal voids at the Month 1 visit (non-responders) versus those with a reduction in nocturnal voids from Baseline of ≥33% (responders) was estimated. | Full analysis set. Study results are reported as per the pre-planned statistical analysis plan on combined treatment groups. The study is a psychometric evaluation of a new PRO tool and is not designed to show treatment difference between active and placebo. | Posted | Mean | Standard Deviation | units on a scale | Day 1 (Baseline), Month 1 |
|
|
|
|
| Primary | Cohen's D Effect Size in Responsiveness in the Nocturia Impact (NI) Total Scores and Overall Impact Question as Measured From Baseline (Day 1) to Month 1 | The responsiveness of the NI Diary was measured with Cohen's D effect size. The effect size was calculated for active treatment versus placebo, based on change from Baseline to Month 1. The effect size was evaluated as "small," "medium," or "large" if D was <=0.35, >0.35 - 0.65, or >0.65, respectively. Mean values are the Cohen's D effect size. Standard deviation is the pooled standard deviation. | Full analysis set. Study results are reported as per the pre-planned statistical analysis plan on combined treatment groups. The study is a psychometric evaluation of a new PRO tool and is not designed to show treatment difference between active and placebo. | Posted | Mean | Standard Deviation | units on a scale | Day 1 (Baseline), Month 1 |
|
|
|
| Secondary | Internal Consistency of the Nocturia Impact (NI) Total Score for Each Day NI Diaries Were Completed Assessed as Cronbach's Alpha Values | Cronbach's alpha (CA) is a measure of the internal consistency of the Nocturia Impact (NI) Total scores. Higher scores indicate a more reliable (precise) instrument. A value of 0.70 set as the benchmark for declaring the scale as internally consistent. Cronbach's alpha was assessed for each of the three consecutive days NI diaries were completed during screening (Day -20 to Day -18), baseline (Day -2 to Day 1) and Month 1 (Day 28 to Day 30). | Full analysis set. Study results are reported as per the pre-planned statistical analysis plan on combined treatment groups. The study is a psychometric evaluation of a new PRO tool and is not designed to show treatment difference between active and placebo. | Posted | Number | 95% Confidence Interval | ratio of variance | Screening (Day -20 to Day -18), Baseline (Day -2 to Day 1) and Treatment (Day 28 to Day 30) |
|
|
|
| Secondary | Construct Validity For the Nocturia Impact (NI) Total Scores and Overall Impact Question (Q12) for Participants With High/Low Number of Nocturnal Voids | The known group validity was assessed by comparing participants who experienced ≥3 nocturnal voids to those who experienced <3 nocturnal voids, using the average over 3 days for the Screening and Baseline diaries. Results are reported for the NI Total Scores and the Overall Impact Question (Q12). The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). The NI total score is defined as the sum of the 11 core items scores. The overall impact question (Q12) and the NI total score were transformed using Fisher's z transformation, i.e. the scores were based on a standardized scale from 0 (lowest impact) to 100 (highest impact). | Full analysis set. Study results are reported as per the pre-planned statistical analysis plan on combined treatment groups. The study is a psychometric evaluation of a new PRO tool and is not designed to show treatment difference between active and placebo. | Posted | Mean | Standard Deviation | units on a scale | Screening (Day -20), Baseline (Day 1) |
|
|
|
|
| Secondary | Change From Baseline to Month 1 on Nocturia Impact (NI) Total Score | The NI Diary is a 12-item instrument consisting of 11 core items and an overall impact question (Q12). Responses are scored from 0 (no impact) to 4 (highest impact); the NI total score is the sum of the 11 core items scores (range of 0-44) which is then transformed to a 0-100 scale (high score indicates high impact). The NI total score was analyzable only if all 11 items (Q1-Q11) had non-missing responses. Otherwise, it was defined as missing. Missing values were not imputed. The average over the 3-day diary period prior to baseline (Day 1) and Month 1 was used for the overall impact score. Negative change from baseline scores indicate a decrease in impact caused by nocturia. | Full analysis set. The study is a psychometric evaluation of a new PRO tool and is not designed to show treatment difference between active and placebo. | Posted | Mean | Standard Deviation | units on a scale | Baseline (Day -2 to Day 1), Treatment (Day 28-30) |
|
|
|
|
| Secondary | Minimum Post-Treatment Serum Sodium Levels | Serum sodium levels were monitored since hyponatremia is a potential serious adverse event associated with daily doses of desmopressin. A participant was to be withdrawn from the trial if the serum sodium level was <=125 mmol/L at any time. | Safety analysis set | Posted | Number | participants | Day 1 up to 1 month |
|
|
|
| Secondary | Summary of Participants With Treatment-Emergent Adverse Events (TEAEs) | A TEAE was any adverse event occurring after start of treatment and within the time of residual drug effect, i.e. within one day of the last dose of desmopressin. | Safety analysis set | Posted | Number | participants | Day 1 up to 1 month |
|
|
|
| 0 |
| 29 |
| 0 |
| 29 |
| EG001 | Desmopressin | Female participants took 1 desmopressin 25 μg tablet and male participants took 1 tablet 75 μg every night, approximately 1 hour prior to bedtime (with the intention to sleep), for a period of 1 month. | 0 | 27 | 0 | 27 |
The only disclosure restriction on the PI is that the sponsor can review the draft manuscript prior to publication and can request delay of publication where any contents are deemed patentable by the sponsor or confidential to the sponsor. Comments will be given within four weeks from receipt of the draft manuscript. Additional time may be required to allow Ferring to seek patent protection of the invention.
| D036361 |
| Peptide Hormones |
| D006728 | Hormones |
| D006730 | Hormones, Hormone Substitutes, and Hormone Antagonists |
| D009479 | Neuropeptides |
| D010455 | Peptides |
| D000602 | Amino Acids, Peptides, and Proteins |
| D009842 | Oligopeptides |
| D009419 | Nerve Tissue Proteins |
| D011506 | Proteins |
| Mean Difference (Net) |
| -0.0 |
| 2-Sided |
| 95 |
| -9.6 |
| 9.6 |
Non-Responders - Responders |
| Superiority or Other |
| Title | Measurements |
|---|---|
|
| Baseline Day -2 |
|
| Baseline Day -1 |
|
| Baseline Day 1 |
|
| Treatment Day 28 |
|
| Treatment Day 29 |
|
| Treatment Day 30 |
|
| Overall Impact Question (Q12): Screening |
|
| Overall Impact Question (Q12): Baseline |
|
Nocturia Impact (NI) Total Score: Baseline
| t-test, 2 sided |
| 0.0318 |
The a priori threshold for statistical significance was 0.05. |
| Mean Difference (Net) |
| -13.6 |
| 2-Sided |
| 95 |
| -26.0 |
| -1.2 |
| Superiority or Other |
| Overall Impact Question (Q12): Screening | t-test, 2 sided | 0.0463 | The a priori threshold for statistical significance was 0.05. | Mean Difference (Net) | -15.8 | 2-Sided | 95 | -31.2 | -0.3 | Superiority or Other |
| Overall Impact Question (Q12): Baseline | t-test, 2 sided | 0.0413 | The a priori threshold for statistical significance was 0.05. | Mean Difference (Net) | -17.7 | 2-Sided | 95 | -34.6 | -0.7 | Superiority or Other |
| >125 - <130 mmol/L |
|
| >=130 - 135 mmol/L |
|
| Deaths |
|
| Serious AEs |
|
| AEs leading to discontinuation |
|
| Severe AEs |
|
| Adverse drug reactions (ADRs) |
|