National Multicenter Retrospective Real-World Study on the Treatment Status of Newly Diagnosed and Persistent Primary Immune Thrombocytopenia (ITP) Patients

November 25, 2025 updated by: Zhang Lei, MD, Institute of Hematology & Blood Diseases Hospital, China
This study is a nationwide, multicenter, retrospective, real-world, non-interventional (observational) investigation. It retrospectively collects data on treatment modalities and therapeutic responses in patients with newly diagnosed or persistent immune thrombocytopenia (ITP), documents disease progression in both treated and untreated patients, and records the treatment regimens selected by those receiving therapy. The study aims to observe and evaluate the current treatment landscape for newly diagnosed and persistent ITP patients, while also analyzing the efficacy and safety in the treated population. All patient treatments and disease management are solely based on routine clinical practice and are not influenced by this study.

Study Overview

Status

Not yet recruiting

Conditions

Detailed Description

Currently, there is a lack of data on the treatment landscape for newly diagnosed and persistent ITP in China. No information is available regarding the proportion of treated and untreated patients, treatment choices, or therapeutic outcomes in this population. This study retrospectively collects data on treatment approaches and response outcomes in patients with newly diagnosed or persistent ITP, documenting disease progression in both treated and untreated individuals, as well as the treatment regimens selected by those receiving therapy. It aims to observe and analyze the current treatment patterns for newly diagnosed and persistent ITP patients in China, with the goal of clarifying the treatment needs for thrombopoietin receptor agonists (TPO-RAs) in this population. Additionally, the efficacy and safety of treatments in the studied cohort will be evaluated. This study is designed to observe and assess the current treatment status of patients with newly diagnosed and persistent ITP.

Study Type

Observational

Enrollment (Estimated)

500

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients deemed ineligible for the study based on the investigator's judgment.

Description

Inclusion Criteria:

  • Availability of traceable inpatient medical records;

Clinically diagnosed with newly diagnosed or persistent ITP (ITP disease course ≤12 months) between July 2021 and September 2025;

Baseline platelet count <30×10⁹/L;

Age ≥6 years;

Inclusion of patients regardless of ITP treatment status, encompassing those receiving any ITP-directed therapy (excluding emergency treatments such as platelet transfusion) and untreated patients (who have not received ITP-specific treatments including glucocorticoids, intravenous immunoglobulin, TPO-RAs, splenectomy, and rituximab).

Exclusion Criteria:

-

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Treated Group
Untreated Group

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Proportion of patients achieving a platelet count ≥30×10⁹/L within 8 weeks, with at least a twofold increase from baseline, and no bleeding manifestations
Time Frame: 2026.2.25
2026.2.25

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Institute of Hematology & Blood Diseases Hospital, China

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

November 25, 2025

Primary Completion (Estimated)

February 25, 2026

Study Completion (Estimated)

June 30, 2026

Study Registration Dates

First Submitted

November 25, 2025

First Submitted That Met QC Criteria

November 25, 2025

First Posted (Actual)

December 8, 2025

Study Record Updates

Last Update Posted (Actual)

December 8, 2025

Last Update Submitted That Met QC Criteria

November 25, 2025

Last Verified

November 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • QT2025009

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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