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Open-Label and Single-Arm Study of MYOBLOC® in the Treatment of Troublesome Sialorrhea in Adults (OPTIMYST)

Supernus Pharmaceuticals logo

Supernus Pharmaceuticals

Status and phase

Completed
Phase 3

Conditions

Sialorrhea

Treatments

Drug: MYOBLOC

Study type

Interventional

Funder types

Industry

Identifiers

NCT02610868
SN-SIAL-351

Details and patient eligibility

About

Multicenter, open-label, outpatient study of the safety and effectiveness of repeated doses of MYOBLOC over a 1-year duration in adult subjects with troublesome sialorrhea.

Full description

Multicenter, open-label, outpatient study of the safety and effectiveness of repeated doses of MYOBLOC over a 1-year duration in adult subjects with troublesome sialorrhea. The primary goal is to determine the long-term safety and tolerability of MYOBLOC (administered intraglandularly as single total dose of 3,500 Units) treatments every 13 weeks over a maximum possible duration of 1 year in adult subjects with troublesome sialorrhea. The secondary goal is to assess the magnitude of therapeutic response of MYOBLOC (administered intraglandularly as a single total dose of 3,500 Units) using effectiveness assessments performed at intervals after treatments every 13 weeks over a maximum possible duration of 1 year.

Enrollment

187 patients

Sex

All

Ages

18 to 85 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Seeking treatment for troublesome sialorrhea for at least 3 months that is occurring secondary to any disorder or related to any cause, including, but not limited to, Parkinson's Disease (PD), adult cerebral palsy, amyotrophic lateral sclerosis (ALS), stroke, traumatic brain injury, oral cancer, and side effects of other medications.
  • Able to read and provide written informed consent before enrollment into the study, or the subject's caregiver (Legally Authorized Representative) can provide written informed consent.
  • Male or female, 18 to 85 years of age (inclusive).
  • Minimum unstimulated salivary flow rate of 0.2 g/min at screening
  • Minimum Investigator's Drooling Frequency and Severity Scale (DFSS) score of 4 at screening.
  • Ability and availability to participate in the study for up to 1 year (ALS subjects: ability and availability to participate in the study for at least 6 months), based on overall health of the subject and disease prognosis

Exclusion criteria

  • A moderate to high risk of aspiration will exclude participation in this study. Subjects whose risk of aspiration are judged by the Investigator to be satisfactorily controlled by placement of PEG tube or G-tube for nutritional support are eligible to participate.
  • Respiratory forced vital capacity (FVC) of <20% of predicted
  • Prior botulinum toxin type A or B treatment in the salivary gland(s) identified for treatment in this study within 24 weeks before screening. Prior botulinum toxin type A or B treatment into other anatomical regions not selected for treatment in this study is not exclusionary, but must have occurred at least 12 weeks before screening
  • Subjects should be excluded if, in the Investigator's opinion, the subject failed to respond to previous treatment with botulinum toxin. Subjects should not receive nor have any plans for receiving any botulinum toxin treatment, other than the study drug (MYOBLOC), during the entire course of the study (from the point the informed consent is signed until subject's participation is complete).
  • Concomitant use, or exposure within 5 half-lives of screening, of aminoglycoside antibiotics, curare-like agents, or other agents that interfere with neuromuscular function
  • Prior salivary gland surgery
  • Current treatment or treatment at any time during the study with Coumadin® (warfarin) or similar anti-coagulant medications. Anti-platelet medications are not specifically exclusionary
  • Evidence of any clinically significant neurologic disease
  • Pregnancy or lactation
  • Anticipated or scheduled surgery during the study period. A PEG tube/G tube may be placed for nutritional support at any time during the study and will not exclude the subject from continued study participation.
  • Major surgery (requiring general anesthesia, except PEG tube/G tube placement ) within the previous 6 months before screening.
  • Current infection at the sialorrhea treatment injection site(s)
  • History of drug or alcohol abuse currently or within the previous 6 months
  • Participation in another clinical drug, device, or biological agent study within 30 days of screening or while participating in this study

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

187 participants in 1 patient group

MYOBLOC Injection
Experimental group
Description:
After a screening period (up to 21 days), subjects who satisfy all eligibility criteria may receive single dose injections over the course of 1 year.
Treatment:
Drug: MYOBLOC

Trial documents
2

Trial contacts and locations

35

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Data sourced from clinicaltrials.gov

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