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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01472367
Registration number
NCT01472367
Ethics application status
Date submitted
2/01/2013
Date registered
4/01/2013
Date last updated
23/09/2022
Titles & IDs
Public title
A Pooled Analysis of the Safety and Efficacy of MK-0431A and MK-0431A XR in Pediatric Participants With Type 2 Diabetes Mellitus With Inadequate Glycemic Control on Metformin Therapy (Alone or in Combination With Insulin) (MK-0431A-170/MK-0431A-289)
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Scientific title
A Pooled Analysis of the Safety and Efficacy of MK-0431A and MK-0431A XR in Pediatric Patients With Type 2 Diabetes Mellitus With Inadequate Glycemic Control on Metformin Therapy (Alone or in Combination With Insulin)
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Secondary ID [1]
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2012-004035-23
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Secondary ID [2]
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0431A-289
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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:
Type 2 Diabetes Mellitus
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
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Comparator / control treatment
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Control group
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Outcomes
Eligibility
Key inclusion criteria
* For MK-0431A-170 base study and MK-0431A-289:
* Has type 2 diabetes mellitus (T2DM)
* Is on metformin monotherapy (=1500 mg/day) for =12 weeks with glycated hemoglobin (A1C) =6.5% and =10.0% OR is on stable doses of metformin (=1500 mg/day) and insulin for =12 weeks with an A1C =7.0% and =10%. NOTE: Participants on a daily dose of metformin greater than or equal to 1000 mg/day, but less than 1500 mg/day may be eligible if there is documentation that higher doses are not tolerated.
* Participant and a family member or adult closely involved in the daily activities will participate in the participant's treatment and study protocol (i.e., available for telephone calls, study visits and administration of study medication as needed).
* Male, or female who is unlikely to conceive (non-sterilized, and is not sexually active or agrees to abstain from heterosexual activity or agrees to use an adequate method of contraception) during the study and for 14 days after the last dose of study drug
* For MK-0431A-170 extension protocol:
* Has completed the P170 base study
* Participant and a family member or adult closely involved in the daily activities will participate in the participant's treatment and study protocol (i.e., available for telephone calls, study visits and administration of study medication as needed).
* Male, or female who is unlikely to conceive (non-sterilized, and is not sexually active or agrees to abstain from heterosexual activity or agrees to use an adequate method of contraception) during the study and for 14 days after the last dose of study drug
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Minimum age
10
Years
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Maximum age
17
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* For MK-0431A-170 base study and MK-0431A-289:
* Has type 1 diabetes mellitus
* Has monogenic diabetes or secondary diabetes
* Has symptomatic hyperglycemia and/or moderate to large ketonuria and/or positive test for ketonemia, requiring immediate initiation of another antihyperglycemic agent
* Has previously taken a dipeptidyl peptidase IV (DPP-4) inhibitor (such as sitagliptin, vildagliptin, alogliptin, saxagliptin, or linagliptin) or glucagon-like peptide-1 (GLP-1) receptor agonist (such as exenatide or liraglutide)
* Is on or likely to require treatment for =2 consecutive weeks or repeated courses of corticosteroids (inhaled, nasal and topical corticosteroids are permitted)
* Has undergone a surgical procedure within 4 weeks of study participation or has planned major surgery during the study
* History of congenital heart disease or cardiovascular disease other than hypertension
* History of active liver disease (other than non-alcoholic steatosis), including chronic active hepatitis B or C, primary biliary cirrhosis, or symptomatic gallbladder disease
* Active neuropathy (such as nephrotic syndrome or glomerulonephritis)
* Chronic myopathy, mitochondrial disorder or a progressive neurological or neuromuscular disorder
* Human immunodeficiency virus (HIV)
* Hematological disorder (such as aplastic anemia, thrombocytopenia, myeloproliferative or myelodysplastic syndromes)
* Is currently being treated for hyperthyroidism or is on thyroid hormone therapy and has not been on a stable dose for at least 6 weeks
* History of malignancy for =5 years prior to study participation, except for adequately treated basal cell or squamous cell skin cancer, or in situ cervical cancer
* History of idiopathic acute pancreatitis or chronic pancreatitis
* History of recreational or illicit drug use, or of alcohol abuse or dependence (within the past year)
* Has donated blood products or has had phlebotomy of >10% of estimated total blood volume within 8 weeks of study participation, or intends to donate blood products or receive blood products within the projected duration of the study
* Is pregnant or breast-feeding, or is expecting to conceive or donate eggs during the study, including 14 days following the last dose of study drug
* For MK-0431A-170 extension protocol:
* Participant meets a study medication discontinuation criterion at the last visit of the MK-0431A-170 base study (Week 20)
* Has taken the last dose of study medication for the MK-0431A-170 base study more than 14 days prior to Extension Visit 1
* Has initiated another oral antihyperglycemic agent
* Participant does not agree to refrain from participating in any other double-blind interventional study while participating in the P170 extension study
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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 administering the treatment/s
The people assessing the outcomes
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 3
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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
7/12/2011
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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
17/09/2019
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Sample size
Target
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Accrual to date
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Final
223
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Merck Sharp & Dohme LLC
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to assess the effect of the addition of sitagliptin (administered as MK-0431A or MK-0431A XR) relative to the addition of placebo on glycated hemoglobin (A1C), and the safety and tolerability of the addition of sitagliptin, in pediatric participants (ages 10-17 years) with type 2 diabetes mellitus with inadequate glycemic control on metformin therapy (alone or in combination with insulin). The primary hypothesis is that the addition of sitagliptin reduces glycated hemoglobin (A1C) more than the addition of placebo after 20 weeks of treatment.
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Trial website
https://clinicaltrials.gov/study/NCT01472367
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Trial related presentations / publications
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Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed
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Contacts
Principal investigator
Name
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Medical Director
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Address
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Merck Sharp & Dohme LLC
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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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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/NCT01472367
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