Utility of methylene blue in surgery for primary hyperparathyroidism

Utility of methylene blue in surgery for primary hyperparathyroidism - Methylene blue in surgery for hyperparathyroidism

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs031180295

Enrollment

200

Registered

2019-03-15

Start date

2000-10-11

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary and secondory parathyroidism

Interventions

Methylene blue (5 mg/kg) is infused intravenously in 30 minutes immediately after introduction of general anesthesia intraoperatively.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases with hyperparathyroidism who underwent surgery

Exclusion criteria

Exclusion criteria: Patients with a history of hypersensitivity to the ingredients of this drug, phenothiazine compounds and analogs.

Design outcomes

Primary

Measure	Time frame
Intraoperative identification rate of parathyroid	—

Secondary

Measure	Time frame
Safety	—

Contacts

Public ContactSayaka Obayashi

Gunma University Hospital

sayakaobayashi@gmail.com+81-27-220-8224

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026