Romiplostim N01 in Chemoradiotherapy-induced Aplastic Anemia

May 2, 2026 updated by: Bing Han, Peking Union Medical College Hospital

Romiplostim N01 in the Treatment of Refractory Chemoradiotherapy-induced Aplastic Anemia: a Single-center, Prospective, Open-label Study

This study aimed to explore the efficacy and safety of romiplostim N01 in the treatment of chemoradiotherapy-induced aplastic anemia (AA)

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

43

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Age ≥ 18 years old;
  2. Diagnosed with relapsed/refractory chemoradiotherapy-induced AA. Relapsed/ refractory was defined as patients who had no response to at least 3 months of cyclosporine or thrombopoietin receptor agonists (TPO-RAs) such as eltrombopag;
  3. At least one of the following conditions must be met: hemoglobin < 90 g/ L, platelet count < 30×109/L, neutrophil count < 1.0×109/L;
  4. With baseline liver and kidney functions <2 upper limit of normal (ULN);
  5. Without active infection that cannot be controlled by standard treatment;
  6. Signed the informed consent;
  7. ECOG score ≤ 2;

Exclusion Criteria:

  1. Had other primary or secondary bone marrow failure (BMF) diseases, such as Fanconi anemia, congenital keratinization disorder, etc.;
  2. With evidence of clonal hematological bone marrow diseases (MDS, AML) in cytogenetics;
  3. Paroxysmal nocturnal hemoglobinuria (PNH) clone ≥ 50%;
  4. Received hematopoietic stem cell transplantation before enrollment;
  5. Received ATG treatment before enrollment;
  6. Severe bleeding or infection that cannot be controlled by standard treatment;
  7. Allergic or intolerant to romiplostim N01;
  8. Active infections of HIV, HCV, or HBV, liver cirrhosis, or portal hypertension
  9. History of malignant tumors within 5 years;
  10. History of arterial or venous thrombosis;
  11. Pregnant or lactating patients;
  12. Participated in other clinical trials within 3 months.

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

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Romiplostim N01
Romiplostim N01 20 µg/kg
Drug: Romiplostim N01
Romiplostim N01 20 µg/kg subcutaneously once a week for at least 3 months

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
ORR (Overall Response Rate)
Time Frame: 3-month, 6-month
ORR=PRR (Partial Response Rate)+CRR (Complete Response Rate)
3-month, 6-month

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
CRR
Time Frame: 3-month, 6-month
Proportion of patients who achieved CR
3-month, 6-month
Adverse event (AE) rate
Time Frame: through study completion, an average of 1 year
Proportion of patients with AEs, according to CTCAE
through study completion, an average of 1 year
Predictive factors for ORR or CRR
Time Frame: 3-month
Calculated by single-/multivariate regression
3-month
Clonal evolution rate
Time Frame: through study completion, an average of 1 year
Proportion of patients progressed to myelodysplastic syndromes (MDS)/ acute myeloid leukemia (AML)
through study completion, an average of 1 year

Collaborators and Investigators

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

Sponsor

Peking Union Medical College Hospital

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)

April 1, 2026

Primary Completion (Estimated)

December 1, 2028

Study Completion (Estimated)

December 1, 2029

Study Registration Dates

First Submitted

April 23, 2026

First Submitted That Met QC Criteria

May 2, 2026

First Posted (Actual)

May 7, 2026

Study Record Updates

Last Update Posted (Actual)

May 7, 2026

Last Update Submitted That Met QC Criteria

May 2, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • K10498

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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