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Exploratory Study on POL6326 in Stem Cell Mobilization

A Phase IIa, Proof of Concept Study is to Determine the Degree of Mobilisation of CD34+ Cells Following Administration of POL6326 in Patients With Multiple Myeloma

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01105403
Enrollment
21
Registered
2010-04-16
Start date
2009-04-30
Completion date
2014-04-30
Last updated
2014-04-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Multiple Myeloma

Keywords

Hematopoietic stem cells, Mobilisation, Autologous transplantation

Brief summary

The purpose of this study is to determine whether POL6326 is safe and clinically active to mobilize hematopoietic stem cells followed by transplantation

Interventions

IV infusion of POL6326 followed by apheresis to collect mobilized stem cells from peripheral blood

Sponsors

Polyphor Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

1. Have multiple myeloma in Stage II or III, according to the criteria of Durie and Salmon. 2. Male or female between 18 and 70 years of age, inclusive. Male and females capable of reproduction must agree to use adequate contraceptive measures (e.g. condom, intrauterine device, oral contraceptive) until 3 months after termination of treatment. 3. Measurable disease, defined by one of the following: * Serum M protein ≥1.0 g/dL by protein electrophoresis * Quantifiable immunoglobulin levels and/or * urinary M protein excretion ≥200 mg/24 hours. 4. All patients have undergone 3 cycles of chemotherapy, with the last dose of chemotherapy given 3 to 8 weeks before study entry. 5. Eastern Cooperative Oncology Group (ECOG) performance status of 2. 6. Life expectancy of \>6 months. 7. Have given their written informed consent to participate in the study

Exclusion criteria

1. Have non-secretory myeloma and/or plasma cell leukaemia. 2. History of other malignancies during the past 5 years, with the exception of adequately treated basal or squamous cell carcinoma of the skin, cervical carcinoma, or localised prostate carcinoma. 3. Any other clinically significant medical conditions. 4. History of cardiac disease NHYA classification ≥3. 5. Insufficient bone marrow, liver and renal function as assessed by the following clinical laboratory evaluations: Haemoglobin \<9.0 g/L. Absolute neutrophil count \<1500/µL. Platelet count \<50000/µL. Total bilirubin \>1.5 x upper limit of normal (ULN). Alanine aminotransferase (ALT) and alkaline phosphatase (AP) \>2.5 x ULN. Amylase and lipase \>1.5 x ULN. Serum creatinine \>2.0 x ULN. Prothrombin time (PT) and activated partial thrombo-plastin time (aPTT) \>1.5 x ULN. 6. Pregnant or lactating female patients. 7. Known history of HIV infection or chronic hepatitis B or C infection. 8. Receipt of immunotherapy, radiation therapy, or any investigational drug within 30 days of study drug administration. 9. Prior radiotherapy to more than 3 vertebrae. 10. Active serious bacterial or fungal infections; \>grade 3 National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE). 11. Receipt of haematopoietic cytokines within 10 days of study drug administration.

Design outcomes

Primary

MeasureTime frameDescription
To assess the ability of POL6326 to mobilise CD34+ hematopoietic stem cells in patients with primary multiple myelomaUp to four daysNumber of patients achieving the minimal number of CD34+ cells (≥2 x 10 mill/kg BW) collected during one to four cycles of apheresis which are considered necessary and safe to proceed with autotransplantation Number of apheresis cycles required to obtain the minimal number of CD34+ cells necessary for autotransplantation (≥2 x 10 mill/kg BW)

Secondary

MeasureTime frame
To evaluate the safety and pharmacokinetics of POL6326 in patients with multiple myeloma2 months
To determine the efficacy of POL6326 in reconstitution of immune system after transplantation1 year

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026