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Study to Evaluate Safety, Tolerability and Efficacy of UCB7665 in Subjects With Primary Immune Thrombocytopenia

Phase 2
Completed
Conditions
Thrombocytopenia
Interventions
Registration Number
NCT02718716
Lead Sponsor
UCB Biopharma SRL
Brief Summary

The primary objective of the study is to check if an subcutaneous (sc) infusion of UCB7665 is safe and tolerated in subjects with primary immune thrombocytopenia.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
66
Inclusion Criteria
  • Subject has a diagnosis of primary immune thrombocytopenia (ITP) for a minimum of 3 months prior to Screening Visit
  • Subject has a platelet count <30x10^9/L at Screening and <35x10^9/L at Baseline (Visit 2)
  • Subject has a current or history of a peripheral blood smear consistent with ITP
  • Subject has responded to previous ITP therapy (according to the judgment of the investigator)
Exclusion Criteria
  • Subject has an immunoglobulin G (IgG) level <=6g/L at Screening Visit

  • Subject has a partial thromboplastin time (PTT) >=1.5x upper limit of normal (ULN) or International Normalized Ratio (INR) >=1.5 at Screening Visit

  • Subject has renal and/or liver impairment defined as:

    • Serum creatinine level of >=1.4 mg/dL for females and >=1.5 mg/dL for males at Screening Visit
  • Subject has planned an elective surgical procedure in the coming 6 months

  • Subject has evidence of a secondary cause of primary immune thrombocytopenia purpura

  • Subject has a history of clinically relevant ongoing chronic infections

  • Subject has a family history of primary immunodeficiency

  • Subject has a clinically relevant active infection or has had a serious infection within 6 weeks prior to the first dose of IMP

  • Subject has a history of known inflammatory bowel disease, diverticular disease, and gastric or esophageal ulceration

  • Subject has experienced gastrointestinal bleed in the last 6 months prior to Screening Visit and/or has current gastritis or esophagitis

  • Subject has a medical history of thrombosis

  • Subject has a history of coagulopathy disorders other than ITP

  • Subject has received a live vaccination within 8 weeks prior to the Baseline Visit; or intends to have a live vaccination during the course of the study or within 7 weeks following the final dose of IMP

  • Subject has had prior treatment with rituximab in the 6 months prior to the Baseline Visit

  • Subject has not completed the washout period for the immunosuppressants, biologics and other therapies

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
UCB7665 7 mg/kgUCB7665Participants in this arm received 3 sc doses of UCB7665 (rozanolixizumab) 7 mg/kg at 1-week intervals.
UCB7665 4 mg/kgUCB7665Participants in this arm received 5 subcutaneous (sc) doses of UCB7665 (rozanolixizumab) 4 milligram per kilograms (mg/kg) at 1-week intervals.
UCB7665 10 mg/kgUCB7665Participants in this arm received 2 sc doses of UCB7665 (rozanolixizumab) 10 mg/kg at 1-week intervals.
UCB7665 20 mg/kgUCB7665Participants in this arm received 1 sc dose of UCB7665 (rozanolixizumab) 20 mg/kg.
UCB7665 15 mg/kgUCB7665Participants in this arm received 1 sc dose of UCB7665 (rozanolixizumab) 15 mg/kg.
Primary Outcome Measures
NameTimeMethod
Percentage of Participants Experiencing at Least One Treatment Emergent Adverse Event (TEAE) During the StudyFrom Visit 2 (Week 1) until End of Study Visit or Early Termination (up to 12 weeks after the first investigational medicinal product (IMP) administration)

TEAEs were defined as Adverse Events starting after the time of first Investigational Medicinal Product (IMP) administration up to and including 8 weeks after the final dose.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (29)

Tp0001 601

🇲🇩

Chisinau, Moldova, Republic of

Tp0001 1301

🇧🇬

Sofia, Bulgaria

Tp0001 703

🇵🇱

Gdańsk, Poland

Tp0001 705

🇵🇱

Warsaw, Poland

Tp0001 1201

🇬🇪

Tbilisi, Georgia

Tp0001 702

🇵🇱

Bialystok, Poland

Tp0001 704

🇵🇱

Poznan, Poland

Tp0001 1302

🇧🇬

Pleven, Bulgaria

Tp0001 1101

🇦🇺

Adelaide, Australia

Tp0001 403

🇩🇪

Dusseldorf, Germany

Tp0001 404

🇩🇪

Muenchen, Germany

Tp0001 506

🇮🇹

Torino, Italy

Tp0001 503

🇮🇹

Udine, Italy

Tp0001 505

🇮🇹

Vicenza, Italy

Tp0001 701

🇵🇱

Lodz, Poland

Tp0001 802

🇷🇴

Brasov, Romania

Tp0001 801

🇷🇴

Bucharest, Romania

Tp0001 901

🇪🇸

Valencia, Spain

Tp0001 1001

🇬🇧

London, United Kingdom

Tp0001 902

🇪🇸

Madrid, Spain

Tp0001 803

🇷🇴

Craiova, Romania

Tp0001 903

🇪🇸

Madrid, Spain

Tp0001 1003

🇬🇧

London, United Kingdom

Tp0001 1004

🇬🇧

Truro, United Kingdom

Tp0001 203

🇨🇿

Olomouc, Czechia

Tp0001 201

🇨🇿

Praha 10, Czechia

Tp0001 401

🇩🇪

Berlin, Germany

Tp0001 502

🇮🇹

Firenze, Italy

Tp0001 1002

🇬🇧

London, United Kingdom

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