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Clinical Trials List

Protocol NumberTP0004
NCT Number(ClinicalTrials.gov Identfier)NCT04596995

2021-04-01 - 2022-09-30

Phase III

Not yet recruiting8

ICD-10D69.3

Immune thrombocytopenic purpura

An Open-Label Extension Study to Investigate the Long-Term Safety, Tolerability, and Efficacy of Rozanolixizumab in Study Participants With Persistent or Chronic Primary Immune Thrombocytopenia (ITP)

  • Trial Applicant

    PAREXEL INTERNATIONAL CO., LTD.

  • Sponsor

    UCB Biopharma SRL

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2025/08/20

Investigators and Locations

Principal Investigator Jyh-Pyng Gau Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Hung Chang Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 林敬業 Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 廖浚凱 Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 陳宇欽 Division of Hematology & Oncology

Co-Principal Investigator

  • 何景良 Division of Hematology & Oncology

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Tsai-Yun Chen Division of General Internal Medicine

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Hui-Hua Hsiao Division of General Internal Medicine

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Sheng-chieh Chou Division of General Internal Medicine

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Condition/Disease

Primary Immune Thrombocytopenia

Objectives

Main objective: Assess the long-term safety and tolerability of repeated treatment withrozanolixizumab (Maintenance Treatment Arm only)Secondary objectives: -Assess the long-term clinical efficacy of repeated treatment with rozanolixizumab (Maintenance Treatment Arm only)-Assess effect of rozanolixizumab on health-related quality of life (HRQoL)-Assess the pharmacodynamic (PD) effect of rozanolixizumab (Maintenance Treatment Arm only)-Assess the effect of rozanolixizumab on patient-reported outcomes (PROs)-Assess the reduction in use of steroids in study participants receiving rozanolixizumab

Test Drug

Rozanolixizumab

Active Ingredient

Rozanolixizumab

Dosage Form

IVT

Dosage

140

Endpoints

Primary End Point (repeat as necessary):
1. Occurrence of treatment-emergent adverse events (TEAEs)
2. Occurrence of TEAEs leading to withdrawal of rozanolixizumab
Secondary End Point (repeat as necessary)
1. Stable Clinically Meaningful Response without rescue therapy at ≥70% of the visits starting after the second dose of rozanolixizumab until Week 54
2. Change from Baseline in European Quality of Life-5 Dimension 5 Levels Assessment (EQ5D-5L)
3. Change from Baseline in Short-Form 36-Item (SF-36) Survey
4. Change from Baseline in ITP-Patient Assessment Questionnaire (ITPPAQ)
5. Response defined as change from Baseline at or above the defined threshold for ITP Patient Assessment Questionnaire (ITP-PAQ) Symptoms Score
6. Minimum value in total serum immunoglobulin G (IgG) concentration over time
7. Maximum decrease from Baseline in total serum IgG concentration over time
8. Change from Baseline in serum IgG subclasses concentration over time
9. Change from Baseline in serum Ig concentrations (IgA, IgE, IgM) over time
10. Change from Baseline in Physical Fatigue Instrument
11. Change from Baseline in Patient Global Impression of Severity (PGIS)
12. Change from Baseline in Patient Global Impression of Change (PGIC)
13. Area under the curve (AUC) of the oral steroid dose over time

Inclution Criteria

PRINCIPAL INCLUSION CRITERIA (list the most important)
-Study participant completed TP0003 [NCT04200456] or TP0006 [NCT04224688] until Visit 28 (Week 25) and, in the opinion of the investigator and sponsor, has been compliant with the TP0003 or TP0006 study assessments
-The study participant is considered reliable and capable of adhering to the protocol, visit schedule, or medication intake according to the judgment of the investigator
-If taking allowed concomitant medications, study participant must have been on stable doses
- Study participants may be male or female:
a) A male participant must agree to use contraception during the Treatment Period and for at least 3 months after the final dose of study treatment and refrain from donating sperm during this period
b) A female participant is eligible to participate if she is not pregnant as confirmed by a negative urine pregnancy test or not planning to get pregnant during the breastfeeding, and at least one of the following conditions applies:
Not a woman of childbearing potential (WOCBP) OR A WOCBP who agrees to follow the contraceptive guidance during the Treatment Period and for at least 3 months after the final dose of study
treatment

Exclusion Criteria

PRINCIPAL EXCLUSION CRITERIA (list the most important)
-Study participant has any ongoing investigational medicinal product (IMP)-related serious adverse event (SAE) or ongoing severe IMP related treatment-emergent adverse event (TEAE) experienced during TP0003 or TP0006
-Study participant had any relevant resolved IMP-related SAE or severe IMP-related TEAE experienced during TP0003 or TP0006 that was not discussed and approved as acceptable for enrollment into open-label extension (OLE) study by Medical Monitor or designee
-Study participant has, at last available assessment of TP0003 or TP0006, 3.0x upper limit of normal (ULN) of any of the following: alanine aminotransferase (ALT), aspartate aminotransferase (AST), or alkaline phosphatase (ALP)

The Estimated Number of Participants

  • Taiwan

    16 participants

  • Global

    210 participants