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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT06930872
Registration number
NCT06930872
Ethics application status
Date submitted
9/04/2025
Date registered
16/04/2025
Date last updated
1/07/2025
Titles & IDs
Public title
Drug Interaction Study of ZYN002 Transdermal Gel and Probe Substrates
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Scientific title
A Phase 1, Open Label, Drug Interaction Study to Evaluate the Effect of ZYN002 on the Pharmacokinetics of CYP3A4, CYP2C19, CYP2C9, CYP2D6, CYP1A2, CYP2C8, and CYP2B6 Probe Substrates, and Valproate in Healthy Adult Participants
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Secondary ID [1]
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ZYN2-CL-007
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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:
Drug Interaction
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Part 1
Treatment: Drugs - Part 2
Experimental: Part 1: Interaction of ZYN002 and substrates - Substrates: midazolam, omeprazole, losartan, dextromethorphan, caffeine, repaglinide, and bupropion
Experimental: Part 2: Interaction of ZYN002 and VPA -
Treatment: Drugs: Part 1
ZYN002 (transdermal), midazolam (oral), omeprazole (oral), losartan (oral), dextromethorphan (oral), caffeine (oral), repaglinide (oral), bupropion (oral)
Treatment: Drugs: Part 2
ZYN002 (transdermal), VPA (oral)
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Intervention code [1]
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Treatment: Drugs
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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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Maximum measure plasma concentration (Cmax) of probe substrates and metabolites
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Assessment method [1]
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Blood samples collected at pre dose, and at 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36, and 48 hours post dose.
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Timepoint [1]
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Days 1-3 (Period 1), Days 24-26 (Period 3)
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Primary outcome [2]
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Cmax of repaglinide and metabolite
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Assessment method [2]
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Blood samples collected at pre dose, and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, and 24 hours post dose.
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Timepoint [2]
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Days 3 and 4 (Period 1), Days 26 and 27 (Period 3)
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Primary outcome [3]
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Cmax of bupropion and metabolite
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Assessment method [3]
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Blood samples collected at pre dose and at 0.5, 1, 1.5, 2, 3, 4, 5, 6, 7, 8, 10, 12, 16, 24, 48, 72, 96, 120, and 144 hours post dose.
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Timepoint [3]
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Days 4-10 (Period 1), Days 27-33 (Period 3)
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Primary outcome [4]
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Cmax of CBD, delta-9-tetrahydrocannabinol (THC), and CBD metabolites
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Assessment method [4]
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Blood samples collected at pre dose and at 0.5, 1, 1.5, 2, 3, 4, 5, 6, 7, 8, 10, 12, 16, 24, 36, 48, 72, 96, 120, and 144 hours post dose.
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Timepoint [4]
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Days 24-33 (Period 3)
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Primary outcome [5]
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Amount excreted in urine over the collection period (Ae0-12) of CBD and its metabolites
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Assessment method [5]
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Urine samples collected over a 12-hour period.
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Timepoint [5]
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Day 17 (Period 2), Days 24 and 32 (Period 3)
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Primary outcome [6]
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Cmax of VPA and metabolite
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Assessment method [6]
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Blood samples collected at pre dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, and 72 hours post dose.
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Timepoint [6]
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Days 1-4 (Period 1), Days 18-21 (Period 3)
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Primary outcome [7]
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Cmax of CBD, THC, and CBD metabolites
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Assessment method [7]
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Blood samples collected at pre dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, and 72 hours post dose.
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Timepoint [7]
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Days 18-21 (Period 3)
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Primary outcome [8]
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Ae0-12 of VPA and metabolites
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Assessment method [8]
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Urine samples collected over a 12-hour period.
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Timepoint [8]
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Days 1-4 (Period 1), Day 17 (Period 2), Days 18-20 (Period 3)
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Primary outcome [9]
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Ae0-12 of ZYN002 and metabolites
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Assessment method [9]
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Urine samples collected over a 12-hour period.
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Timepoint [9]
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Day 17 (Period 2), Days 18 and 20 (Period 3)
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Secondary outcome [1]
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Number of participants with skin irritation in ZYN002 application areas
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Assessment method [1]
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Skin assessment examination
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Timepoint [1]
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Up to 33 days
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Secondary outcome [2]
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Number of participants with abnormal physical examination results
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Assessment method [2]
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Targeted physical examination
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Timepoint [2]
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Up to 33 days
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Secondary outcome [3]
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Number of participants with abnormal clinical laboratory results
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Assessment method [3]
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Laboratory testing
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Timepoint [3]
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Up to 33 days
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Secondary outcome [4]
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Number of participants with abnormal vital sign results
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Assessment method [4]
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Vital Sign measures
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Timepoint [4]
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Up to 33 days
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Secondary outcome [5]
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Number of participants with abnormal continuous pulse oximetry results
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Assessment method [5]
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Continuous pulse oximeter
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Timepoint [5]
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Up to 33 days
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Secondary outcome [6]
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Number of participants with abnormal electrocardiogram (ECG)
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Assessment method [6]
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12-lead ECG
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Timepoint [6]
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Up to 33 days
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Eligibility
Key inclusion criteria
1. Male or female adults, 18-55 years of age, inclusive, at the time of Screening.
2. Judged by the Investigator to be in generally good health at Screening based upon the results of a medical history, physical examination, 12-lead ECG, and clinical laboratory test results. Laboratory results outside of the reference range, but acceptable, must be documented as not clinically significant (NCS) at the discretion of the Investigator.
3. Participants must have a body mass index between 18 and 30 kg/m² at the time of Screening.
4. Females of childbearing potential must have a negative pregnancy test result at the Screening Visit and on Day -1 before admission to the CRU. Females who are not of childbearing potential are defined as being postmenopausal for >=12 months or having a history of hysterectomy and/or bilateral oophorectomy and/or bilateral tubal ligation.
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Minimum age
18
Years
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Maximum age
55
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
1. A) Females who are pregnant, nursing or planning to become pregnant or females of childbearing potential, who are unwilling to use medically acceptable method of contraception or B) Males with a female partner who is pregnant, nursing, or planning to become pregnant or a female partner of childbearing potential who is unwilling to use a medically acceptable method of contraception.
2. Are homozygous for CYP2C19*2 or heterozygous carriers of CYP2C19*2/CYP2C19*3 or CYP2C9*2/CYP2C9*3 or CYP2D6*2/CYP2D6*3 haplotypes categorized as poor metabolizers.
3. Has consumed alcohol 48 hours prior to Day 1 or during the study.
4. Has eaten any food or drink/beverage containing, grapefruit or grapefruit juice, apple, cranberry, Seville orange or orange juice, vegetables from the mustard family (e.g., kale, spinach, broccoli, watercress, collard greens, kohlrabi, brussels sprouts, parsley, mustard greens, endive, red cabbage, asparagus, or mustard), and chargrilled meats within one week prior to study start (Day -1).
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Study design
Purpose of the study
Other
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Allocation to intervention
Non-randomised 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
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Other
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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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
6/06/2025
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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
1/11/2025
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Actual
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Sample size
Target
28
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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CMAX Clinical Research - Adelaide
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Recruitment postcode(s) [1]
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5000 - Adelaide
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Harmony Biosciences Management, Inc.
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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
This study is an open-label drug-drug interaction (DDI) study of ZYN002 transdermal gel and multiple drugs.
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Trial website
https://clinicaltrials.gov/study/NCT06930872
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Thomas Polasek, MD, PhD
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Address
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CMAX Clinical Research
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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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Sarada Radha, PhD, ACRP-CP
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Address
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Country
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Phone
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+61 (0)8 7088 7900
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Fax
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Email
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[email protected]
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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 not provided in
https://clinicaltrials.gov/study/NCT06930872
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