Efficacy and Safety of MT-9938 for Treatment of Uremic Pruritus in Subjects With End-stage Renal Disease Receiving Hemodialysis
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ClinicalTrials.gov Identifier: NCT01660243 |
Recruitment Status
:
Terminated
(This study has been terminated because of insufficient patient recruitment.)
First Posted
: August 8, 2012
Last Update Posted
: March 17, 2016
|
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Uremic Pruritus | Drug: Nalfurafine hydrochloride(MT-9938) 2.5μg Drug: Nalfurafine hydrochloride(MT-9938) 5μg Drug: Nalfurafine hydrochloride(MT-9938) 10μg Drug: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 45 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Phase 2, Randomized, Double-blind, Placebo-controlled, Fixed-dose, Parallel-group, Multicenter, Efficacy, and Safety Study of MT-9938 for Treatment of Uremic Pruritus in Subjects With End-stage Renal Disease Receiving Hemodialysis |
Study Start Date : | September 2012 |
Actual Primary Completion Date : | March 2014 |
Actual Study Completion Date : | March 2014 |
Arm | Intervention/treatment |
---|---|
Active Comparator: MT-9938 2.5μg |
Drug: Nalfurafine hydrochloride(MT-9938) 2.5μg
2.5 μg (2capsules) once daily for 8 weeks
|
Active Comparator: MT-9938 5μg |
Drug: Nalfurafine hydrochloride(MT-9938) 5μg
5 μg (2capsules) once daily for 8 weeks
|
Active Comparator: MT-9938 10μg |
Drug: Nalfurafine hydrochloride(MT-9938) 10μg
10 μg (2capsules) once daily for 8 weeks
|
Placebo Comparator: Placebo |
Drug: Placebo
Placebo (2capsules) once daily for 8 weeks
|
- Change from baseline in Worst-itching 11-point Numerical Rating Scale (NRS) [ Time Frame: 2 weeks, 4 weeks and 8 week ]
- Change from baseline in Worst-itching Visual Analog Scale (VAS) [ Time Frame: 2 weeks, 4 weeks and 8 weeks ]
- Change from baseline in Itch Severity Score [ Time Frame: 2 weeks, 4 weeks and 8 weeks ]
- Change from baseline in Sleep quality assessment [ Time Frame: 2 weeks, 4 weeks and 8 weeks ]
- Change from baseline in Excoriation [ Time Frame: 2 weeks, 4 weeks and 8 weeks ]
- Change from baseline in QoL assessment [ Time Frame: 2 weeks, 4 weeks and 8 weeks ]
- Change from baseline in Treatment satisfaction (Patient's Global Impression of Change ) [ Time Frame: 2 weeks, 4 weeks and 8 weeks ]
- Number of Participants with Adverse Events as a Measure of Safety and Tolerability [ Time Frame: 8 weeks ]

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Ages Eligible for Study: | 18 Years and older (Adult, Senior) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- On stable hemodialysis for at least 3 months
- Has stable functioning arteriovenous fistula, graft or other venous access
- Has continued (uncontrolled) uremic pruritus despite standard of care in the institution
- Has severe pruritus, as determined by a qualifying score of ≥3 on the Itch Severity Score Scale (0 to 4) either day or night during the week prior to Screening Visit
- Has no known drug addiction to any prescription, nonprescription, herbal or natural drugs, and successfully passes a drug screen test
- Women and men whose partners are of childbearing potential agree to practice the medically acceptable methods of birth control and agree to continue with the regimen throughout the duration of the study
- Capable of understanding and responding to the subject questionnaires, understands the purpose and risks of the study, and has given written informed consent
- Has rated his/her NRS score each day for at least 5 days out of the 7 days of the Run-in Phase
- Has severe pruritus, as determined by qualifying mean worst NRS score in a day of ≥5 (on 11 point NRS) at the end of the 1-week Run-in Phase
Exclusion Criteria:
- Current, clinically significant medical comorbidities
- Abnormal liver dysfunction
- Pruritus attributed mainly to any disease unrelated to kidney disease
- Calcium x phosphorus product >80 mg2/dL2 or hemoglobin <7 g/dL or parathyroid hormone levels >1000 pg/mL at Screening
- Received ultraviolet B treatment within 30 days prior to Screening
- Started or changed psychotropic medication within 14 days prior to Screening
- Is receiving opioid antagonists or opioid agonists within 7 days prior to Screening and not willing to abstain from these medications during the study.
- Started or changed medications, creams or emollients including over-the-counter oil bath treatment for relief of pruritus within 7 days prior to Screening
- Has known hypersensitivity to opioids or the study drug ingredients
- Is currently participating in an investigational drug or device clinical study or was participating in such a study within 30 days prior to the start of Screening
- Female subject who is known to be pregnant or nursing
- Is considered not suitable for inclusion in the study in the opinion of Investigator
- Has current suicidal ideation with some intent to act or with specific plan and intent or had suicidal behavior at any time in subject's life

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01660243
United States, California | |
Los Angeles, California, United States | |
United States, New York | |
New York, New York, United States | |
Rosedale, New York, United States | |
United States, Texas | |
San Antonio, Texas, United States |
Responsible Party: | Toray Industries, Inc |
ClinicalTrials.gov Identifier: | NCT01660243 History of Changes |
Other Study ID Numbers: |
MT-9938-A01 |
First Posted: | August 8, 2012 Key Record Dates |
Last Update Posted: | March 17, 2016 |
Last Verified: | February 2016 |
Keywords provided by Toray Industries, Inc:
Pruritus Renal dialysis Receptors, Opioid, kappa Sleep Disorders Quality of Life |
Additional relevant MeSH terms:
Kidney Diseases Kidney Failure, Chronic Pruritus Urologic Diseases Renal Insufficiency, Chronic |
Renal Insufficiency Skin Diseases Skin Manifestations Signs and Symptoms |