Overview

Effects of Vitamin B12 Treatment in Singers

Status:
Completed
Trial end date:
2019-04-01
Target enrollment:
0
Participant gender:
All
Summary
In this study, the investigators aim to assess if vitamin B12 treatment demonstrates a beneficial effect on voice performance. If so, they wish to examine the relationship between the vitamin B12 treatment and the study participant's general well-being.
Phase:
Early Phase 1
Accepts Healthy Volunteers?
Accepts Healthy Volunteers
Details
Lead Sponsor:
University of Southern California
Treatments:
Hydroxocobalamin
Vitamin B 12
Vitamin B Complex
Vitamins
Criteria
Inclusion Criteria:

- Aged 18 to 65 years old

- An active singer who is presently singing

- Willing and able to comply with the study requirements

- Completed and signed an informed consent form.

Exclusion Criteria:

- Known vitamin B12 deficiency

- Active or recent vitamin B12 treatment (the subject must not receive vitamin B12
treatment for at least 4 weeks)

- Any known bleeding disorder

- Any known laryngeal pathology

- Plans to start any new treatment, oral/parenteral anticoagulant, supplement, or
medication during the study period

- Scored above the highest 10 percentile of performance in all three voice evaluation
questionnaires will be withdrawn from the study before the first injection (i.e.,
scored less than or equal to 7 in the Voice Fatigue Index (VFI), less than or equal to
6 in the Evaluation of the Ability to Sing Easily (EASE), and less than or equal to 4
in the Singing Voice Handicap Index 10 (SVHI-10))