Efficacy, Safety, and Pharmacokinetics of Shu Yang IVIG

NCT ID: NCT06089122

Last Updated: 2024-03-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE3

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-30

Study Completion Date

2025-06-08

Brief Summary

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To evaluate the safety, efficacy, and pharmacokinetic properties of Shu Yang intravenous immune globulin in patients with primary immune deficiency aged less than 60 years.

The main benefit of IVIG is to help the body fight against a large variety of infections generally associated with morbidity and mortality in patients with primary immunodeficiency diseases, particularly in CVID and XLA. In addition, a decrease in the number of infections, a reduction in medications and hospitalizations, and a better quality of life are expected.

Throughout treatment, approximately one-fourth of persons may experience a side effect. These are usually mild or bothersome but not dangerous. Very rarely, more serious side effects like allergic reactions or low blood counts (anemia) can occur. One of the most common side effects is headache. Other side effects include chills, fever, flushing, flu-like muscle pains or joint pains, feeling tired, nausea, vomiting, and rash. For the most part, these reactions typically happen with the first dose of IVIG or because change to a different brand of IVIG. All IVIG products have similar warnings and contraindications, such as the potential for renal failure, thrombotic events, aseptic meningitis, hemolysis, and anaphylactic reactions.

Detailed Description

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This is a Phase III, open-label, prospective, single-arm, multicenter trial to evaluate the efficacy of IVIG in maintaining the average of severe bacterial infections in less than one per year. The safety and pharmacokinetics (PK) of the investigational product will also be evaluated. Fifty male or female patients aged up to 60 years old will be selected. At least 20 patients must be up to 17 years old. During the trial, at least 20 adult patients will be invited to make up the PK assessment subgroups.

After obtaining the signed Informed Consent/Assent Form , the screening procedures will be performed including the immune deficiency history from the medical records and safety exams. Patients will start the trial with a run-in period to stabilize the IgG trough levels. This period could last two to six visits with posological adjustments until the last two IgG trough levels are above 4 (5) g/L.

After the run-in, the one-year test period will start at the V0. Depending on the treatment regimen, the patients will receive IVIG every 21 days (±3 days) up to day 378 or every 28 days (±4 days) up to day 364 when the close-out visit will occur. In all visits from all patients, a blood sample will be collected immediately before each IVIG administration to assess the IgG trough levels.

To assess the investigational product PK properties, a group of 20 patients will collect additional blood samples for dosing IgG levels between Visit 4 and Visit 5. Those taking IVIG every 21 days, will collect six additional blood samples at the following times after the injection 30 min, 2h, 24h, 72h, 7 days, and 14 days. Those taking IVIG every 28 days will collect seven additional blood samples at the times 30 min, 2h, 24h, 72h, 7 days, 14 days, and 21 days.

Adverse events will be collected at all visits to fulfill the safety endpoints. Moreover, the patients will have continuous access to the investigator's team to report adverse events, be instructed about how to proceed, or even perform Extra visits for presential medical evaluation.

Additionally, the patient will receive a diary to record AEs, any medication taken, infections of any kind, days of hospitalization, and days missed from major activities due to infections.

Trial duration: Each patient can participate in the trial for a maximum period of approximately 540 days from the time of signing the ICF or IAF until the close-out visit, including a Run-in period, depending on treatment regimen.

Blinding and Randomization: This is an open-label trial; no blinding and randomization procedures will be applied.

Conditions

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Primary Immunodeficiency Disease

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Patients with primary immunodeficiency will switch to Shu Yang IVIG and optimize the posology in a run-in period of 2 to 6 administrations. In the one-year test period, the patients will receive the test IVIG at 21- or 28-day intervals and be followed. IgG trough levels will be collected at all visits. At Visit 4, at least 20 patients will perform the PK assessment, collecting additional blood samples.
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

The trial will be open-label and single-arm. Therefore, there will be no randomization or blinding.

Study Groups

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IVIG

Patients with primary immunodeficiency will switch to Shu Yang IVIG and optimize the posology to IgG 300 to 600 mg every 21 or 28 days in a run-in period of 2 to 6 administrations, aiming at keeping the IgG trough levels above 5 g/L. In the one-year test period, the patients will receive the test IVIG at the same dose/intervals of the optimization. However, the IgG trough levels will be monitored every visit, and new adjustments/dose optimization will be performed whenever needed to keep the IgG trough levels above 5g/L.

Group Type EXPERIMENTAL

IVIG

Intervention Type BIOLOGICAL

Patients with primary immunodeficiency will switch to Shu Yang IVIG and optimize the posology to IgG 300 to 600 mg every 21 or 28 days in a run-in period of 2 to 6 administrations, aiming at keeping the IgG trough levels above 5 g/L. At Visit 4, at least 20 patients will perform the PK assessment, collecting additional blood samples.

Interventions

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IVIG

Patients with primary immunodeficiency will switch to Shu Yang IVIG and optimize the posology to IgG 300 to 600 mg every 21 or 28 days in a run-in period of 2 to 6 administrations, aiming at keeping the IgG trough levels above 5 g/L. At Visit 4, at least 20 patients will perform the PK assessment, collecting additional blood samples.

Intervention Type BIOLOGICAL

Other Intervention Names

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Shu Yang IVIG

Eligibility Criteria

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Inclusion Criteria

1. Written informed consent/assent.
2. Male or female.
3. Ages ≤ 60 years old and ≥ 06 years old.
4. Diagnosis of Primary Immunodeficiency Disease (PID) with a reduction in antibody production due to:

a. Common Variable Immunodeficiency (CVID) as per European Immunodeficiency Society (ESID)/Pan American Immunodeficiency Group (PAGID), as defined in section 5.1, OR b. X-linked agammaglobulinemia (XLA) as per ESID/PAGID, as defined in section 5.1.
5. Receiving replacement therapy with intravenous immunoglobulin at 21- to 28-day intervals at 300-600 mg/kg/month for a minimum of 2 months before the start of the study;
6. Absence of episodes of serious bacterial infections with previous use of an IV immunoglobulin for at least 3 months before screening;
7. Negative pregnancy test (in female patients with childbearing potential); readiness to use reliable methods of contraception throughout the study period;
8. Patients who participated in a clinical trial with another experimental IVIG may be enrolled if they have a potential benefit according to Res. CNS 251/1997;
9. Patients currently on treatment with any subcutaneous or intramuscular immunoglobulin may be enrolled switching to IVIG therapy at the investigator's discretion, considering the potential benefit to the patient.

Exclusion Criteria

1. Known intolerance or hypersensitivity to immunoglobulins or components of the test article;
2. Any contraindications to the use of immunoglobulins;
3. Secondary immunodeficiency or conditions potentially causing secondary immunodeficiency such as chronic lymphoid leukemia, lymphoma, multiple myeloma, protein-losing enteropathies or nephropathies, and hypoalbuminemia;
4. Clinically relevant changes in the safety exams are defined as:

* Blood count

o Hb \< 10.5 g/dL

o Leukocytes \< 3,000 /uL or \>10,000 cells / uL

o Absolute neutrophil count \< 1,000 cells/mm3;
* Coagulation o TP and aPTT \> 2.5 x ULN
* Biochemistry o glycated hemoglobin \> 6.5%

* total bilirubin and fractions, alkaline phosphatase, ALT, AST, GGT \> 2.5 x ULN
* creatinine above 3mg/dl or creatinine clearance \< 30mL/min
* Urine I.

* Leukocyturia \> 10,000 cells/mL 5. Any cancer either active or resolved within the last 12 months before screening;

6\. Receiving any blood products (except intravenous immunoglobulins) during the last 3 months before screening;

7\. Any febrile illness within 14 days before enrollment; Note: The patient may be rescreened after recovery.

8\. History of thrombotic events (including myocardial infarction, stroke, pulmonary embolism, and deep vein thrombosis) within 6 months before enrollment;

9\. Previous use of live attenuated virus vaccines;

10\. Selective deficiency of immunoglobulin A (IgA) or known antibodies to IgA;

11\. Known drug or alcohol abuse;

12\. The need to use other investigational drugs, systemic immunosuppressants, and any other immunoglobulins;

13\. Pregnancy or lactation;

14\. Inability to comply with the protocol activities;

15\. PIDs other than CVID or X-linked agammaglobulinemia

16\. Patients infected with HIV, HBV or HCV

17\. Patients with AIDS, cystic fibrosis, or active hepatitis B or C.

18\. Any other condition that, in the Investigator's opinion may increase the risk of participation in this study.
Minimum Eligible Age

6 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Sichuan Yuanda Shuyang Pharmaceutical Co., Ltd.

UNKNOWN

Sponsor Role collaborator

Azidus Brasil

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Luciana Ferrara

Role: STUDY_DIRECTOR

Azidus Brasil

Central Contacts

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Luciana Ferrara

Role: CONTACT

+55 19 981428814

References

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Other Identifiers

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U1111-1298-7059

Identifier Type: OTHER

Identifier Source: secondary_id

IMUNOFORTE

Identifier Type: -

Identifier Source: org_study_id

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