Status:

UNKNOWN

Botulinum Toxin Type A for Cold Intolerance Secondary to Digital Amputations and Replantations: A Pilot Study

Lead Sponsor:

Massachusetts General Hospital

Collaborating Sponsors:

Allergan

Conditions:

Cold Intolerance

Eligibility:

All Genders

18-75 years

Phase:

PHASE1

Brief Summary

Patients will be selected for cold intolerance after finger amputation or replantation. They will be given Botox or placebo dose as treatment and assessed over 3 months.

Detailed Description

Aim 1: To assess the efficacy of botulinum toxin type A on treating cold intolerance secondary to digital amputations, revascularizations, or replantations Primary null hypothesis: Randomized subject...

Eligibility Criteria

Inclusion

  • Adults (≥18 years) diagnosed with cold intolerance secondary to digital amputations, revascularizations, or replantations and a CISS score of 30 or higher (the threshold for pathological cold intolerance)11 Ability to give informed consent

Exclusion

  • Adults ≥ 75 years old Inability or unwillingness to participate in CISS or DASH survey Major medical comorbidity expected to worsen in the next 6 months Comorbid chronic pain condition Severe and untreated mental health conditions or active substance dependence Pregnant or breastfeeding Known hypersensitivity to botulinum toxin Patients with a compromised respiratory function Pre-existing neuromuscular disorders Receiving therapy with aminoglycosides, anticholinergic agents, and muscle relaxants Infection in the proposed injection site

Key Trial Info

Start Date :

June 2 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 2 2023

Estimated Enrollment :

28 Patients enrolled

Trial Details

Trial ID

NCT04917731

Start Date

June 2 2021

End Date

June 2 2023

Last Update

August 24 2022

Active Locations (1)

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Page 1 of 1 (1 locations)

1

MGH

Boston, Massachusetts, United States, 02114