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RecruitingAccepts healthy volunteersPhase 4

BoTox Into the Sternocleidomastoid Muscles (SCM)

Boston Medical Center · with Evolus, Inc. · NCT06903975

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 18–65 · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Phase 4
Target enrollment
30
US sites recruiting
1
Study start
May 14, 2025
Record last updated
August 31, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

Botulinum toxin injections have been used both in the face and neck for many years. However, injection into the sternocleidomastoid muscle (SCM) has only been done to treat neck spasms. In this study botulinum toxin will be injected into the SCM to determine if this will result in a temporary slimming effect on the neck and produce a more feminine, youthful neck contour.

Being studied: prabotulinumtoxinA-xvfs

Conditions: Neck Muscle Issue

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • Age eligible individual seeking a more feminine neck appearance

Exclusion Criteria

  • Prior neuromodulator injections in the sternocleidomastoid muscles (SCM) within the past year
  • Current anticoagulant use
  • Body mass index (BMI) >30
  • Anticipation of significant weight gain or loss during the study period (e.g. patients taking or planning to take within the study period a semaglutide medication.)
  • Prior allergy to botulinum toxin A
  • Currently pregnant or breastfeeding

Recruiting US locations

  • The Spiegel Center

    Newton, MA 02459

    Site contact: Jeffrey Spiegel, MD · drspiegel@drspiegel.com

Study contacts (from the official record)

  • Jeffrey Spiegel, MD · 617 566-3223 · Jeffrey.Spiegel@bmc.org
  • Amanda Goslawski, MD · 617 638-7934 · Amanda.Goslawski@bmc.org
All healthy volunteers studies in Massachusetts →
BoTox Into the Sternocleidomastoid Muscles (SCM) (NCT06903975) | Bored Studies