Evidence map›Paper›PMID 40303515›Full record

ArticleCureus2025

Combination Treatment With Intravenous and Oral Calcimimetics for Secondary Hyperparathyroidism in Hemodialysis Patients Who Decline Parathyroidectomy.

Ryoichi Nakazawa, Akira Onozaki, Kazuhiro Akiyama, Takashi Uchino, Nakanobu Azuma

Abstract read
In one paragraph

Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
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0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Ryoichi NakazawaDepartment of Nephrology, Tokatsu Clinic Hospital, Matsudo, JPN.
Akira OnozakiDepartment of Nephrology, Tokatsu Clinic Hospital, Matsudo, JPN.
Kazuhiro AkiyamaDepartment of Surgery, Tokatsu Clinic Hospital, Matsudo, JPN.
Takashi UchinoDepartment of Surgery, Tokatsu Clinic Hospital, Matsudo, JPN.
Nakanobu AzumaDepartment of Surgery, Tokatsu Clinic Hospital, Matsudo, JPN.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

aimSecondary hyperparathyroidism (SHPT) is a common and serious complication in patients on hemodialysis (HD), leading to significant morbidity and mortality. Parathyroidectomy (PTx) is an established treatment for refractory SHPT, but many patients refuse this surgical option. This study evaluates the efficacy of combination treatment using intravenous and oral calcimimetics in managing SHPT in patients who decline PTx. This study aimed to assess the impact of combination calcimimetic treatment on plasma parathyroid hormone (PTH) levels, mineral metabolism, and clinical outcomes in patients on hemodialysis with SHPT who refuse PTx.

methodsThis retrospective study involved seven patients on HD with refractory SHPT who declined PTX. They were treated with various combinations of intravenous (etelcalcetide or upacicalcet), oral (cinacalcet or evocalcet) calcimimetics, and vitamin D receptor activators (VDRAs), with or without denosumab. Clinical outcomes, including changes in plasma PTH levels, mineral metabolism, and adverse events, were monitored over a period ranging from 10 to 100 months.

resultsCombination treatment significantly reduced plasma PTH levels in all patients (median reduction from 379 pg/mL to 193 pg/mL). No gastrointestinal complications were reported, confirming the tolerability of the regimen. However, two patients developed renal cancer, and one patient died from cardiovascular disease, highlighting the complex comorbidities in this population. These findings underscore the effectiveness of combination calcimimetics in managing SHPT in patients who refuse surgery, although careful monitoring for adverse events is necessary.

conclusionThe combination of intravenous and oral calcimimetics is an effective therapeutic option for managing SHPT in patients on HD who refuse PTX. While promising, the long-term safety and potential risks of this approach, including the occurrence of malignancies, warrant further investigation in larger prospective studies.

Indexed as

calcimimeticdenosumabhemodialysisparathyroidectomyparathyroid hormone

Identifiers

PMID40303515
PMCPMC12040477

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