| NCT ID | Title | Phase | Status | Enrollment | Velocity | Design | Start | Completion | Last Updated | Sites | Countries |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NCT07274696 | Mecobalamin in Promoting Recurrent Laryngeal Nerve Function Recovery After Thyroid Surgery | PHASE3 | NOT YET_RECRUITING | 528 | — | — | Dec 1, 2025 | Dec 1, 2028 | Dec 10, 2025 | 1 | China |
Jitter reflects the regularity of the voice in terms of frequency. A smaller jitter value indicates higher regularity of the voice in terms of frequency.
Shimmer reflects the regularity of the voice in terms of amplitude. A smaller shimmer value indicates higher regularity of the voice in terms of amplitude.
The frequency range from the lowest to the highest pitch a person can produce (in Hz or semitones).
The NHR parameter is the ratio of non-harmonic components within the 1,500-4,500 Hz range to harmonic components within the 70-4,500 Hz range. It can be used to assess the proportion of noise components in the voice.
| Arm | Type | Description |
|---|---|---|
| Mecobalamin Group | EXPERIMENTAL | The patient began taking mecobalamin tablets orally within 24 hours after thyroid surgery, three times a day, 0.5mg each time, for three consecutive months. |
| Control group | PLACEBO_COMPARATOR | The patient was given a placebo within 24 hours after thyroid surgery, which was identical in appearance, size, color, dosage form, weight, taste, and smell to mecobalamin tablets, three times a day, 0.5mg each time, for three consecutive months. |
| Name | Type | Description |
|---|---|---|
| Mecobalamin | DRUG | The patient began taking mecobalamin tablets orally within 24 hours after thyroid surgery, three times a day, 0.5mg each time, for three consecutive months. |
| placebo | DRUG | The patient was given a placebo within 24 hours after thyroid surgery, which was identical in appearance, size, color, dosage form, weight, taste, and smell to mecobalamin tablets, three times a day, 0.5mg each time, for three consecutive months. |
Inclusion Criteria: Patients aged 18-75 years (inclusive) Scheduled to undergo thyroid surgery (including thyroid gland and isthmus resection, total thyroidectomy, etc.) Preoperative laryngoscopy confirms normal bilateral vocal cord mobility Intraoperative neuromonitoring (IONM) technology is used ...