A Study of NT 201 in Adults With Moderate to Severe Platysma Prominence in the United States
PLATINUM US
A Phase 3, Randomized, Parallel-Group, Double-Blind, Multicenter Study Investigating the Safety and Efficacy of NT 201 Compared With Placebo in Adult Participants With Moderate to Severe Platysma Prominence in the United States
1 other identifier
interventional
300
2 countries
28
Brief Summary
The purpose of this study is to assess the safety and efficacy of NT 201 compared with placebo in participants with moderate to severe platysma prominence. The study will be conducted in two periods: Main Period (MP) and Open label Extension Period (OLEX).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Aug 2025
28 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 7, 2025
CompletedFirst Posted
Study publicly available on registry
August 14, 2025
CompletedStudy Start
First participant enrolled
August 27, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
January 1, 2028
April 8, 2026
April 1, 2026
1.1 years
August 7, 2025
April 2, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Composite Achievement of Grade 1 or Grade 2 And at Least a 2-Grade Improvement From Baseline Based on Both the Investigator's Assessment and Participant's Self-Assessment Using the Merz Aesthetics Platysma Scale - Dynamic (MAPS-D) At Week 2 of MP
MAPS-D is a validated five-point scale that will be used to grade the platysma prominence. Scores range from Grade 1 (none to minimal) to Grade 5 (very severe). A lower score indicates improvement.
At Week 2 of MP
Secondary Outcomes (10)
Achievement of Grade 1 (None to Minimal) or Grade 2 (Mild) And at Least a 2-Grade Improvement From Baseline Based on the Investigator's Assessment Using MAPS-D at Week 2 of MP
At Week 2 of MP
Achievement of Grade 1 (None to Minimal) or Grade 2 (Mild) And at Least a 2-Grade Improvement From Baseline Based on the Participant's Self-Assessment Using MAPS-D at Week 2 of MP
At Week 2 of MP
Achievement of at Least a +1 (Somewhat Satisfied) Score Using the Participant's Satisfaction Questionnaire at Week 2 of MP
At Week 2 of MP
Achievement of Grade 1 (None to Minimal) or Grade 2 (Mild) And at Least a 2-Grade Improvement From Baseline Based on Both the Investigator's Assessment and Participant's Self-Assessment Using MAPS-D at Week 1 and Week 4 up to Week 17 of MP
At Week 1 and Week 4 up to Week 17 of MP
Achievement of Grade 1 (None to Minimal) or Grade 2 (Mild) And at Least a 2-Grade Improvement From Baseline Based on the Investigator's Assessment Using MAPS-D at Week 1 and Week 4 up to Week 17 of MP
At Week 1 and Week 4 up to Week 17 of MP
- +5 more secondary outcomes
Study Arms (3)
Main Period: NT 201
EXPERIMENTALParticipants will receive NT 201 IM injection, once on Day 1 of the MP.
Main Period: NT 201 Matching Placebo
PLACEBO COMPARATORParticipants will receive NT 201 matching placebo IM injection, once on Day 1 of the MP.
OLEX Period: NT 201
EXPERIMENTALParticipants will receive a reinjection of NT 201 IM injection, once on Day 1 of OLEX Cycle 1 and Cycle 2.
Interventions
Clostridium Botulinum neurotoxin A (150 kiloDalton \[kD\], free of complexing proteins), powder for solution for injection.
Eligibility Criteria
You may qualify if:
- Presence of four (medial and lateral, left and right) platysmal bands assessed at screening and baseline.
- A score of Grade 3 ('moderate') or Grade 4 ('severe') on the MAPS-D at maximum contraction by the investigator and participant.
You may not qualify if:
- Hypersensitivity or a history of allergic reaction to botulinum toxin of any serotype or any of their formulation ingredients.
- Any medical condition that may put the participant at increased risk with exposure to botulinum toxin of any serotype, or any disorders that might interfere with neuromuscular function.
- Any serious disease or disorder that could interfere with the safe completion of treatment or with study outcome assessments, or compromise participant safety.
- Botulinum toxin treatment in the face (below the lower orbital rim), jawline, or neck within the last seven months.
- History of lower face surgery, neck or chest surgery, and aesthetic procedures in the past 12 months, and/or orthodontic procedures in the past 6 months.
- Planned surgery or aesthetic procedures to the lower face, neck, or chest during the study period.
- Anticipated need for treatment with botulinum toxin of any serotype for any indication during the study (other than study products).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (28)
Merz Investigative Site
Scottsdale, Arizona, 85260, United States
Merz Investigative Site
Encino, California, 91436, United States
Merz Investigative Site
Los Angeles, California, 90069, United States
Merz Investigative Site
Redondo Beach, California, 90277, United States
Merz Investigative Site
Santa Monica, California, 90404, United States
Merz Investigative Site
Vista, California, 92803, United States
Merz Investigative Site
Greenwood Village, Colorado, 80111, United States
Merz Investigative Site
Westport, Connecticut, 06880, United States
Merz Investigative Site
Washington D.C., District of Columbia, 20037, United States
Merz Investigative Site
Aventura, Florida, 33180, United States
Merz Investigative Site
Boca Raton, Florida, 33431, United States
Merz Investigative Site
Bradenton, Florida, 34209, United States
Merz Investigative Site
Coral Gables, Florida, 33143, United States
Merz Investigative Site
Coral Gables, Florida, 33146, United States
Merz Investigative Site
West Palm Beach, Florida, 33404, United States
Merz Investigative Site
Alpharetta, Georgia, 30005, United States
Merz Investigative Site
Naperville, Illinois, 60563, United States
Merz Investigative Site
Hunt Valley, Maryland, 21030, United States
Merz Investigative Site
Mount Kisco, New York, 10549, United States
Merz Investigative Site
New York, New York, 10021, United States
Merz Investigative Site
New York, New York, 10028, United States
Merz Investigative Site
Chapel Hill, North Carolina, 27517, United States
Merz Investigative Site
Wilmington, North Carolina, 28405, United States
Merz Investigative Site
Ardmore, Pennsylvania, 19003, United States
Merz Investigative Site
Nashville, Tennessee, 37215, United States
Merz Investigative Site
Dallas, Texas, 75225, United States
Merz Investigative Site
Arlington, Virginia, 22209, United States
Merz Investigative Site
San Juan, 00917, Puerto Rico
MeSH Terms
Interventions
Study Officials
- STUDY DIRECTOR
Merz Medical Expert
Merz North America, Inc.
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 7, 2025
First Posted
August 14, 2025
Study Start
August 27, 2025
Primary Completion (Estimated)
October 1, 2026
Study Completion (Estimated)
January 1, 2028
Last Updated
April 8, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share