What type of study is this?

This is a Systematic Review study.

September 30, 2025

Safety and efficacy of non-first-line drugs in the treatment of immune thrombocytopenia: a systematic review and network meta-analysis

Key Points

Non-first-line drugs show varying efficacy and safety in treating immune thrombocytopenia, with romiplostim emerging as a promising option.
Compared to placebo, avatrombopag 20 mg showed the highest response rate (RR = 12.23), highlighting its potential effectiveness.
The review included 29 randomized controlled trials, systematically analyzing data to assess drug performance.
The findings support potential shifts in treatment protocols for immune thrombocytopenia with lower incidences of adverse events.

Abstract

Thissystematic review and network meta-analysis(NMA) comprehensively evaluated theefficacy and safety of non-first-line drugs in the treatment of adult patientswith immune thrombocytopenia (ITP). PubMed, Web of Science, Embase, and the Cochrane Library were systematically searched. Randomized controlled trials (RCTs) investigating Count data were extracted in the form of event occurrences/non-occurrences. NMA was carried out via R. 29 RCTs were encompassed. In contrast to placebo, the avatrombopag 20 mg group demonstrated the highest PR (RR = 12.23, 95% CrI: 5.48-33.72). The combination of eltrombopag and danazol exhibited the lowest incidence of bleeding events (RR = 0.31, 95% CrI: 0.16-0.57), while the avatrombopag 5 mg group had the lowest incidence of SAEs (RR = 0.44, 95% CrI: 0.22-0.84). The comprehensive evaluation suggested that romiplostim, initiated at a dose of 1 μg/kg within a dose-adjustment regimen, may confer one of the most favorable benefit - risk profiles, with a relatively high PR (SUCRA = 75.1%) and a low incidence of bleeding events (SUCRA = 54.8%). When initiating therapy with romiplostim at a dose of 1 μg/kg and subsequently titrating the dosage according to the patient's platelet response, romiplostim may represent one of the most effective therapeutic options. The study protocol for this systematic review was registered in the International Prospective Registry of Systematic Reviews (PROSPERO) database (www.crd.york.ac.uk/prospero/), and it was allocated the PROSPERO identification number.

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