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Single-arm Study of IgPro20 in Adults With Secondary Immune Deficiencies Due to Hematologic Malignancies Treated With B-cell Targeting Chimeric Antigen Receptor T-cell and T-cell Redirecting Therapies

2026年6月10日 更新者：CSL Behring

A Phase 3, Prospective, Open-label, Multicenter, Single-arm Study to Investigate the Efficacy, Safety, and Pharmacokinetics of IgPro20 in Subjects With Secondary Immune Deficiency Due to Hematologic Malignancies Treated With B-cell Targeting Chimeric Antigen Receptor T-cell and T-cell Redirecting Therapies

This is a prospective, multicenter, open-label, single-arm study to assess the efficacy, safety, and pharmacokinetics (PK) of IgPro20 in adults with hematologic malignancies treated with B-cell targeting Chimeric antigen receptor T-cell (CAR T-cell) and T-cell redirecting therapies (such as T-cell engager bispecific antibody [TCE BsAb] therapy). The primary objective is to demonstrate that true annualized rate of serious bacterial infection (SBIs) is less than (<) 1.0.

This study includes two cohorts:

  1. Loading Cohort: Participants with serum immunoglobulin G (IgG) < 500 milligrams per deciliter (mg/dL) at Screening, with or without ongoing immunoglobulin replacement therapy (IgRT) during Screening, who must have received five doses of IgPro20 during the Initial Treatment Period.
  2. Maintenance-only Cohort: Participants with serum IgG greater than or equal to (≥) 500 mg/dL and ongoing IgRT at Screening, who must have received one dose of IgPro20 during the Initial Treatment Period.

調査の概要

状態

まだ募集していません

条件

介入・治療

研究の種類

介入

入学 (推定)

63

段階

  • フェーズ 3

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

  • Participants greater than or equal to (≥) 18 years of age at the time of providing written informed consent.
  • Confirmed diagnosis of B-cell hematologic malignancy (ie, Multiple myeloma [MM], Chronic lymphocytic leukemia [CLL], Non-Hodgkin lymphoma [NHL], or BALL) according to applicable diagnostic criteria.

  • Participants treated with Chimeric antigen receptor T-cell (CAR T-cell) therapy or TCE BsAb and are:

    1. At least 2 months after receipt of an approved CAR T-cell therapy for the B-cell hematologic malignancy at the time of Screening, or
    2. At least 1 month after initiation of an approved TCE BsAb therapy for the B-cell hematologic malignancy at the time of Screening and expected to continue with the therapy.

  • Documented partial or complete response to CAR T-cell or TCE BsAb therapy based on applicable response criteria at the time of Screening:

    1. CLL based on International Workshop on Chronic Lymphocytic Leukemia response criteria
    2. MM based on International Myeloma Working Group response criteria
    3. NHL based on Lugano Classification criteria
    4. B-ALL based on National Comprehensive Cancer Network guidelines
  • IgG level (excluding paraprotein, if relevant) at Screening:

If participant has ongoing IgRT (intravenous immunoglobulin [IVIG] or subcutaneous immunoglobulin [SCIG]) for SID during Screening, then any IgG level at Screening is acceptable for enrollment. Participants with IgG less than (<) 500 milligrams per deciliter (mg/dL) are assigned to the Loading Cohort, participants with IgG ≥ 500 mg/dL are assigned to the Maintenance-only Cohort.

  • IgG level (excluding paraprotein, if relevant) at Screening:

If participant does not have ongoing IgRT (IVIG for > 8 weeks or SCIG for > 2 weeks) for SID during Screening and are not expected to receive IgRT during Screening, then IgG < 500 mg/dL is required for enrollment (participant is assigned to the Loading Cohort)

Exclusion Criteria:

  • Documented history of diseases for which IgRT may be indicated: primary immune deficiency, chronic inflammatory demyelinating polyneuropathy, Guillain-Barré syndrome, immune thrombocytopenia, Kawasaki disease, Lambert-Eaton myasthenic syndrome, multifocal motor neuropathy, myasthenia gravis, stiff person syndrome, solid organ transplant, and rejection prior to Screening.
  • History of thromboembolic event (TEE) within 6 months before Screening.
  • Eastern Cooperative Oncology Group performance status > 1.
  • Presence of any systemic active infection at Screening.
  • Participants on any prohibited therapies, including anti-infective treatments.
  • Absolute neutrophil count < 1 × 10*9/L (Common Terminology Criteria for Adverse Events [CTCAE] Grade 3 or worse), unless proven to be due to the underlying disease and raised above the limit by granulocyte colony-stimulating factor.
  • Concurrent participation in other interventional clinical studies. Note: a participant may be enrolled if their participation in the other study will not jeopardize their safety and / or the scientific validity of this study (eg, an observational study, a long-term safety follow-up of an interventional study, diagnostic device studies, phase 4 studies with medicines used within their approved indication); the investigator may consult with the medical monitor.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：処理
  • 割り当て：なし
  • 介入モデル：単一グループの割り当て
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
実験的：IgPro20

In the loading cohort, participants will receive a loading dose of IgPro20 subcutaneously (SC) once daily for five consecutive days during the first week (Initial Treatment Period), followed by SC infusion weekly dosing for a total treatment duration of 52 weeks.

In the maintenance-only cohort, participants will receive weekly doses of IgPro20 SC infusion for a total treatment duration of 52 weeks.
生物学的：IgPro20
IgPro20 infusion administered SC.
他の名前：
  • Immune Globulin Subcutaneous (Human) 20% Liquid

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Number of Serious Bacterial Infections (SBIs) per Participant
時間枠：Up to Month 12
The SBIs includes: bacteremia / sepsis, bacterial meningitis, osteomyelitis / septic arthritis, bacterial pneumonia, and visceral abscess.
Up to Month 12

二次結果の測定

結果測定
メジャーの説明
時間枠
Number of Infections per Participant
時間枠：Up to Month 12
Up to Month 12
Number of Common Terminology Criteria for Adverse Events (CTCAE) >= Grade 3 Infections per Participant
時間枠：Up to Month 12
As per CTCAE, Grade 3 is defined as Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activities of daily living (self-care activities of daily living refer to bathing, dressing and undressing, feeding self, using the toilet, taking medications, and not bedridden). Grade 4: Life-threatening consequences; urgent intervention indicated and Grade 5: Death related to adverse event. Infections of CTCAE Grade 3 or worse will be reported.
Up to Month 12
Number of Days Hospitalized due to Infections
時間枠：Up to Month 12
Up to Month 12
Number of Days With Anti-infectives Use
時間枠：Up to Month 12
Up to Month 12
Number of Infection-related Deaths and Complications
時間枠：Up to Month 12
Up to Month 12
Number of Infection-related Requirement for Intravenous (IV) Therapy
時間枠：Up to Month 12
Up to Month 12
Number of Infection-related Requirement for Hospitalization per Participant
時間枠：Up to Month 12
Up to Month 12
Number of Participants with Treatment-emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), Adverse Events of Special Interest (AESIs), Infusion Site Reaction and Other Local Reactions
時間枠：Up to Month 12

In this study, thromboembolic events are treated as AESIs.

The following 3 narrow standardized Medical Dictionary for Regulatory Activities (MedDRA) queries are used for TEE evaluation:

  • Embolic and thrombotic events, arterial
  • Embolic and thrombotic events, venous
  • Embolic and thrombotic events, vessel type unspecified, and mixed arterial and venous.
Up to Month 12
Trough Concentrations of Serum IgG
時間枠：Up to Week 56
Up to Week 56
Area Under the Serum Concentration Time Curve (AUC) for IgG From Timepoint Zero to tau (AUC[0-t])
時間枠：Before IgPro20 dosing at Week 52 and up to Week 54 (after the last dose of IgPro20)
Before IgPro20 dosing at Week 52 and up to Week 54 (after the last dose of IgPro20)
Maximal Serum Concentration (Cmax) of IgG
時間枠：Before IgPro20 dosing at Week 52 and up to Week 54 (after the last dose of IgPro20)
Before IgPro20 dosing at Week 52 and up to Week 54 (after the last dose of IgPro20)
Time to Maximal Serum Concentration (Tmax) of IgG
時間枠：Before IgPro20 dosing at Week 52 and up to Week 54 (after the last dose of IgPro20)
Before IgPro20 dosing at Week 52 and up to Week 54 (after the last dose of IgPro20)

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

CSL Behring

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年7月25日

一次修了 (推定)

2029年2月16日

研究の完了 (推定)

2029年2月16日

試験登録日

最初に提出

2026年6月10日

QC基準を満たした最初の提出物

2026年6月10日

最初の投稿 (実際)

2026年6月15日

学習記録の更新

投稿された最後の更新 (実際)

2026年6月15日

QC基準を満たした最後の更新が送信されました

2026年6月10日

最終確認日

2026年3月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • IgPro20_3013
  • 2026-525626-38-00 (レジストリ識別子：EU CT Number)

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

はい

IPD プランの説明

CSL will consider on a case-by-case basis requests to share Individual Patient Data (IPD) with external bona-fide, qualified scientific and medical researchers. For information on the process and requirements for submitting a voluntary data sharing request for IPD, please contact CSL at clinicaltrials@cslbehring.com.

IPD 共有時間枠

Requests for IPD will generally be considered once review by major regulatory authorities (ie FDA, EMA) is complete and the primary publication is available.

IPD 共有アクセス基準

Proposed research should seek to answer a previously unanswered important medical or scientific question.

Applicable country specific privacy and other laws and regulations will be considered and may prevent sharing of IPD.

If the request is approved and the researcher has executed an appropriate data sharing agreement, IPD that has been appropriately anonymized will be available.

IPD 共有サポート情報タイプ

  • STUDY_PROTOCOL
  • SAP

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

はい

米国FDA規制機器製品の研究

いいえ

この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。

IgPro20の臨床試験

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条件

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場所

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