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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02232425
Registration number
NCT02232425
Ethics application status
Date submitted
3/09/2014
Date registered
5/09/2014
Date last updated
17/08/2020
Titles & IDs
Public title
IX-01 Effect on Intravaginal Ejaculatory Latency Time (IELT) and Patient Reported Outcomes in Men With Premature Ejaculation (PE)
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Scientific title
An 8-Week, Double-Blind, Placebo-Controlled Parallel Group Study to Evaluate the Effect of IX-01 on Intravaginal Ejaculatory Latency Time (IELT) and Patient Reported Outcomes in Men With Lifelong Premature Ejaculation
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Secondary ID [1]
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IX-0103
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Premature Ejaculation
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Condition category
Condition code
Reproductive Health and Childbirth
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Complications of newborn
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Reproductive Health and Childbirth
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Childbirth and postnatal care
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Reproductive Health and Childbirth
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Fetal medicine and complications of pregnancy
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Renal and Urogenital
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Other renal and urogenital disorders
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Reproductive Health and Childbirth
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Other reproductive health and childbirth disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Experimental: Drug: IX-01 - Two to four 200 mg capsules administered orally, 1-6 hours prior to sexual activity
Placebo comparator: Placebo - Two to four capsules administered orally, 1-6 hours prior to sexual activity
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Mean Fold Change in Geometric Mean Intravaginal Ejaculatory Latency Time (IELT)
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Assessment method [1]
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IX-01 versus placebo. Intravaginal ejaculatory latency time (IELT) was defined as the time from the initiation of sexual intercourse (penetration) until ejaculation occurred
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Timepoint [1]
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Last 4 weeks of treatment compared to baseline
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Secondary outcome [1]
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Proportion of Participants Rating Their PE as Better or Much Better, on the Clinical Global Impression of Change (CGIC) Scale
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Assessment method [1]
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7 point scale ranging from much worse (-3) to much better (3). The proportion refers to the proportion of patients who had the best 2 possible responses \[better(2) or much better (3)\] on this 7 point scale
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Timepoint [1]
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Baseline to the end of treatment (approximately 8 weeks)
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Secondary outcome [2]
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Proportion of Participants With Greater Than or Equal to (=) 2.5 Fold Increase in Intravaginal Ejaculatory Latency Time (IELT)
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Assessment method [2]
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Intravaginal ejaculatory latency time (IELT) was defined as the time from the initiation of sexual intercourse (penetration) until ejaculation occurred. Outcome measured proportion of patients with at least a 2.5-fold increase in geometric mean IELT over the last 4 weeks of treatment as compared to baseline. Proportion of participants adjusted for baseline IELT, country and site
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Timepoint [2]
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Last 4 weeks of treatment compared to baseline
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Secondary outcome [3]
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Mean Fold Change in Arithmetic IELT (Intravaginal Ejaculatory Latency Time)
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Assessment method [3]
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IX-01 versus placebo
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Timepoint [3]
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Last 4 weeks of treatment compared to baseline
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Secondary outcome [4]
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Mean Change in Score on Control of Timing of Ejaculation
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Assessment method [4]
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Reported in electronic diary and based on the Premature Ejaculation Profile (PEP). PEP question on control of timing is scored on a 5 point scale with the scores ranging from very poor (this is the worst answer) scored as 0 to very good (this is the best answer scored as 4)
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Timepoint [4]
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Last 4 weeks of treatment compared to baseline
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Secondary outcome [5]
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Mean Change in Score on Ejaculation-related Personal Distress
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Assessment method [5]
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Based on Premature Ejaculation Profile (PEP). Scale ranges from 'extremely' (0) to 'not at all' (4). An increase in score from baseline indicates improvement.
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Timepoint [5]
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Last 4 weeks of treatment compared to baseline
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Secondary outcome [6]
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Proportion of Participants With = 1 Category of Improvement in Satisfaction With Sexual Intercourse, on the Premature Ejaculation Profile (PEP) Questionnaire
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Assessment method [6]
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Based on Premature Ejaculation Profile (PEP) 5 point scale with the scores ranging from 0 (worse answer) to 4 (best answer).
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Timepoint [6]
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Baseline to 8 weeks
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Secondary outcome [7]
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Proportion of Participants With = 1 Category of Improvement in Control Over Ejaculation During Sexual Intercourse on the Premature Ejaculation Profile (PEP) Questionnaire
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Assessment method [7]
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Reported in electronic diary and based on the Premature Ejaculation Profile (PEP). PEP is scored on a 5 point scale with the scores ranging from 0 (worst answer) to 4 (best answer)
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Timepoint [7]
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Baseline to 8 weeks
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Secondary outcome [8]
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Proportion of Participants With = 1 Category of Improvement in Ejaculation-related Distress on the Premature Ejaculation Profile ( PEP) Questionnaire
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Assessment method [8]
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Reported in e-diary. Based on Premature Ejaculation Profile (PEP). Scale ranges from 'extremely' (0) to 'not at all' (4). An increase in score from baseline indicates improvement.
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Timepoint [8]
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Baseline to 8 weeks
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Secondary outcome [9]
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Proportion of Participants With = 1 Category of Improvement in Ejaculation-related Interpersonal Difficulty on the Premature Ejaculation Profile (PEP) Questionnaire
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Assessment method [9]
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Reported in e-diary. Based on Premature Ejaculation Profile (PEP). Scale ranges from 'extremely' (0) to 'not at all' (4). An increase in score from baseline indicates improvement.
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Timepoint [9]
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Baseline to 8 weeks
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Secondary outcome [10]
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Proportion of Participants With = 2 Category Increase in Control and = 1 Category Decrease in Personal Distress on a Patient Reported Outcome (PRO) Measure
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Assessment method [10]
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Reported in e-diary. Based on Premature Ejaculation Profile (PEP). Each of the PEP questions is scored on a 5 point scale with the scores ranging from 0 (worst answer) to 4 (best answer)
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Timepoint [10]
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Baseline to 8 weeks
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Secondary outcome [11]
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Change in Percentage of Intercourse Attempts Lasting Longer Than 1 Minute From Baseline to Last 4 Weeks on Treatment
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Assessment method [11]
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'Baseline' time period defined as Day -28 - Day 0. 'Last 4 Weeks' time period defined as the 28 days prior to last time subject took study drug and after Day 14.
Analysis excludes two subjects from ITT population: #010-012 (placebo) and #888-018 (active). Adjusted for treatment, baseline IELT, baseline percentage, country and site.
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Timepoint [11]
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Baseline to last 4 weeks on treatment
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Secondary outcome [12]
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Incidence of Treatment-emergent Adverse Events
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Assessment method [12]
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Number of participants with at least one treatment-emergent adverse event
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Timepoint [12]
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Start of Treatment to end of study (approximately 10 weeks)
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Eligibility
Key inclusion criteria
* In stable (= 6 months) heterosexual relationship
* Have life-long (primary) premature ejaculation
* Have premature ejaculation confirmed by Intravaginal Ejaculatory Latency Time (IELT) less than or equal to (=) 1 minute on = 75% attempts at sexual intercourse
* Meet other aspects of the International Society for Sexual Medicine (ISSM) definition for lifelong premature ejaculation (PE), including inability to delay ejaculation on all or nearly all vaginal penetrations and negative personal consequences such as distress, bother and frustration
* Willing to attempt intercourse at least 4 times during run-in period and at least 8 more times during double-blind part of the study
* Not planning pregnancy with his partner and he is willing to use contraception (unless not of child-bearing potential, e.g., surgically sterilised)
* Willing to limit use of alcohol on days in which they take study drug (not more than three drinks, where one drink is defined as a 12 ounce (oz), 360 milliliter (mL) bottle of beer, a 5 oz (150 mL) glass of wine, or a 1½ oz (45 mL distilled spirits)
* Capable of giving written informed consent
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Minimum age
18
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Maximum age
60
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Sex
Males
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Can healthy volunteers participate?
No
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Key exclusion criteria
* An Intravaginal Ejaculatory Latency Time (IELT) value = 2 minutes during run-in period
* Less than (<) 4 attempts at sexual intercourse during run-in (screening may be extended or patient may be rescreened if there are extenuating circumstances)
* A rating of control of ejaculation as fair, good, or very good on the Premature Ejaculation Profile (PEP) questionnaire prior to study
* Co-existing Erectile Dysfunction - International Index of Erectile Dysfunction (IIEF) erectile function domain < 22 during run-in
* Concomitant use of Phosphodiesterase 5 (PDE5) inhibitors, intracavernosal injections, penile implants, Selective Serotonin Reuptake Inhibitors (SSRI's) or Serotonin-Norepinephrine Reuptake Inhibitors (SSNRI's), tricyclic antidepressants (for example (e.g.) clomipramine), monoamine oxidase inhibitors, alpha blockers, 5 alpha reductase inhibitors (including propecia for hair loss), topical anaesthetics, and/or tramadol
* History (last 6 months) of use of Botox or similar product to treat premature ejaculation
* Unwilling to stop other treatments for premature ejaculation (including but not limited to pharmacological, herbal, multiple condoms, psychosexual treatment, prior masturbation)
* Other sexual disorder of patient or partner that could interfere with results
* Current active sexually transmitted disease
* Major medical condition of patient that could interfere with ability to have sexual activity and or require hospital treatment
* Body Mass Index (BMI) > 40 kg/m2
* Participation in a clinical drug trial anytime during the 30 days prior to screening
* Human Immunodeficiency Virus (HIV) or hepatitis B
* History of clinically significant prostate disease
* History of myocardial infarction, coronary bypass surgery, coronary artery angioplasty, unstable angina, clinically evident congestive heart failure, cardiac pacemaker, or cerebrovascular accident
* Cardiac arrhythmia: significant cardiac arrhythmia shown on Electrocardiogram (ECG), or a known or suspected history of significant cardiac arrhythmias within last six months
* History of congenital QT prolongation and/ corrected QT (QTc) interval > 450 milliseconds (msec) using the Bazett formula
* Mean systolic cuff blood pressure (BP) > 140 millimeter of mercury (mmHg), as assessed by up to three measurements taken in sequence within 5-10 minutes of last measure
* Mean diastolic cuff BP > 90 mmHg, as assessed by up to three measurements taken in sequence within 5-10 minutes of the last measure
* Major psychiatric disease or risk of suicidal tendency as assessed by clinical evaluation and Patient Health Questionnaire (PHQ)-9 and Columbia Suicide Assessment
* PHQ-9 questionnaire total score > 9 and/or score > 0 for question 9 of PHQ-9, and/or suicidal ideation or behavior as assessed by Columbia Suicide Assessment
* Clinically significant abnormal laboratory function test results (including liver enzymes > 2 x Upper Limit of Normal (ULN) or bilirubin > 1.5 x ULN)
* Taking Cytochrome P450 3A4 (CYP3A4) inducers, or moderate and potent CYP3A4 inhibitors
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/09/2014
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/10/2015
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Sample size
Target
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Accrual to date
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Final
88
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Recruitment in Australia
Recruitment state(s)
NSW,WA
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Recruitment hospital [1]
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Australian Centre for Sexual Health - Saint Leonards
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Recruitment hospital [2]
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Keogh Institute for Medical Research - Nedlands
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Recruitment postcode(s) [1]
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2065 - Saint Leonards
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Recruitment postcode(s) [2]
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6009 - Nedlands
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Florida
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Country [3]
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United States of America
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State/province [3]
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Louisiana
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Country [4]
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United States of America
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State/province [4]
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New Jersey
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Country [5]
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United States of America
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State/province [5]
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New York
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Country [6]
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United States of America
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State/province [6]
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Pennsylvania
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Country [7]
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United States of America
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State/province [7]
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Rhode Island
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Ixchelsis Limited
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Carelon Research
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Address [1]
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Country [1]
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Other collaborator category [2]
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Commercial sector/industry
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Name [2]
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Novotech (Australia) Pty Limited
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Address [2]
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Country [2]
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Other collaborator category [3]
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Commercial sector/industry
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Name [3]
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ICON plc
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Address [3]
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Country [3]
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Other collaborator category [4]
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Commercial sector/industry
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Name [4]
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PHT Corporation
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Address [4]
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Country [4]
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to determine the effectiveness of IX-01 in men with lifelong premature ejaculation.
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Trial website
https://clinicaltrials.gov/study/NCT02232425
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Trial related presentations / publications
McMahon C, Althof S, Rosen R, Giuliano F, Miner M, Osterloh IH, Muirhead GJ, Harty B; PEPIX Multi-Centre Study Group. The Oxytocin Antagonist Cligosiban Prolongs Intravaginal Ejaculatory Latency and Improves Patient-Reported Outcomes in Men with Lifelong Premature Ejaculation: Results of a Randomized, Double-Blind, Placebo-Controlled Proof-of-Concept Trial (PEPIX). J Sex Med. 2019 Aug;16(8):1178-1187. doi: 10.1016/j.jsxm.2019.05.016.
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Public notes
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Contacts
Principal investigator
Name
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Email
[email protected]
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Address
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Ixchelsis Limited
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT02232425
Download to PDF