Secondary hyperparathyroidism
ICD-10 E21.1 · ICD-11 5A51.1

When Medical Treatment Fails to Control PTH in Secondary Hyperparathyroidism

In secondary hyperparathyroidism, medical management is the first-line approach. When it does not bring intact PTH within the accepted target range for stage 5D chronic kidney disease, a defined next-line protocol applies.

Prior Line — Failure Condition

Medical treatment with phosphorus binders combined with a PTH-lowering agent — a calcimimetic (cinacalcet, etelcalcetide hydrochloride, or evocalcet), calcitriol, or vitamin D analogs — did not achieve an intact PTH within the target range of 130–600 pg/mL in stage 5D CKD.

Next-Line Approach (partial overview)

Parathyroidectomy is the recommended surgical intervention when medical therapy has failed. Which procedure is appropriate depends on the patient's expected renal replacement trajectory — the full protocol specifies the approach for each clinical situation.

Clinical goal: Successful parathyroidectomy is defined as an intact PTH level <60 pg/mL on postoperative day one. Full criteria and management details are within the complete protocol.

References

DOI: 10.3389/fendo.2023.1169793

  • Therefore, parathyroidectomy (PTx) is the radical surgical treatment for severe SHPT.
  • PTx is recommended when medical therapy has failed.
  • We previously showed that a 70% decrease in intact PTH 10 minutes after total PTx and transcervical thymectomy can predict successful PTx, defined as an intact PTH level <60 pg/mL on postoperative day one.
View source ↗