NCT04423367

Brief Summary

This is an open-label, single-arm study to evaluate the safety and efficacy of bortezomib plus dexamethasone for acquired pure red cell aplasia failure or relapse after first-line treatment.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
18

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Sep 2020

Typical duration for phase_2

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 5, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

June 9, 2020

Completed
3 months until next milestone

Study Start

First participant enrolled

September 13, 2020

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2024

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2024

Completed
Last Updated

February 11, 2026

Status Verified

November 1, 2024

Enrollment Period

3.9 years

First QC Date

June 5, 2020

Last Update Submit

February 9, 2026

Conditions

Keywords

Acquired Pure Red Cell AplasiaPRCAFailure or Relapse after First-line Treatment

Outcome Measures

Primary Outcomes (1)

  • Overall response rate

    within 12 weeks

Secondary Outcomes (2)

  • Frequency and severity of adverse events and severe adverse events

    within 12 weeks

  • Relapse free survival

    within 24 and 48 weeks

Study Arms (1)

bortezomib/dexamethasone

EXPERIMENTAL

Enrolled patients will receive the combination therapy of bortezomib and dexamethasone.

Drug: bortezomib/dexamethasone

Interventions

Enrolled patients would receive the combination therapy of bortezomib and dexamethasone.

bortezomib/dexamethasone

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • ECOG ≤ 2.
  • Age from 18 to 70.
  • Diagnosed with acquired pure red cell aplasia.
  • Meets the criteria of first-line treatment failure or relapse.
  • Organs in good function.
  • Signed informed consent.

You may not qualify if:

  • Nursing woman.
  • Active bacterial, virus, fungal or parasitic infection, including HIV infection, HBsAg or HBV DNA positive, HCV DNA positive, etc.
  • Secondary PRCA caused by lymphoproliferative disorders, including large granular lymphocytic leukemia, waldenström macroglobulinemia, small lymphocytic lymphoma/chronic lymphocytic leukemia, etc.
  • Secondary PRCA caused by either smoldering multiple myeloma or symptomatic multiple myeloma.
  • Secondary PRCA caused by either ABO major mismatched stem cell transplantation or organ transplantation.
  • Secondary PRCA caused by solid tumors except for thymoma.
  • Secondary PRCA caused by drugs or pregnancy.
  • Secondary PRCA caused by the B19 virus.
  • Have contraindications for glucocorticoids, or unable to tolerate glucocorticoids for comorbidities.
  • Previously received treatment in other trials within 4 weeks before enrollment.
  • Previously treated with the proteasome inhibitor.
  • Experience active hemorrhage condition, including gastrointestinal bleeding, respiratory tract bleeding and central nervous system bleeding within 2 months before enrollment or during bortezomib/dexamethasone treatment.
  • Have a history of malignant tumors.
  • Have a history of mental illness.
  • Inability to understand or to follow study procedures.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Zhoukou Central Hospital

Zhoukou, Henan, China

Location

The Second Affilated Hospital of Shandong First Medical University

Tai’an, Shandong, China

Location

Regenerative Medicine Center

Tianjin, China

Location

Related Publications (1)

  • Zhang L, Chen N, Xu Z, Liang Q, Pan H, Zhao J, Fang L, Shi J. Good treatment-free survival of monoclonal gammopathy of undetermined significance associated pure red cell aplasia after bortezomib plus dexamethasone. Blood Cells Mol Dis. 2021 Jul;89:102573. doi: 10.1016/j.bcmd.2021.102573. Epub 2021 Apr 27.

    PMID: 33957358BACKGROUND

MeSH Terms

Interventions

BortezomibDexamethasone

Intervention Hierarchy (Ancestors)

Boronic AcidsAcids, NoncarboxylicAcidsInorganic ChemicalsBoron CompoundsOrganic ChemicalsPyrazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPregnadienetriolsPregnadienesPregnanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSteroids, Fluorinated

Study Officials

  • Jun Shi, PhD

    Institute of Hematology & Blood Diseases Hospital, China

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 5, 2020

First Posted

June 9, 2020

Study Start

September 13, 2020

Primary Completion

July 31, 2024

Study Completion

September 30, 2024

Last Updated

February 11, 2026

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will not share

Locations