UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000054873
Receipt number R000062696
Scientific Title Therapeutic effectiveness and safety of crovalimab, SKY 59, in patients with Paroxysmal Nocturnal Hemoglobinuria: a prospective multi-institutional observational study in Japan
Date of disclosure of the study information 2024/07/05
Last modified on 2025/07/04 11:27:38

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Basic information

Public title

Therapeutic effectiveness and safety of crovalimab, SKY 59, in patients with Paroxysmal Nocturnal Hemoglobinuria: a prospective multi-institutional observational study in Japan

Acronym

ANSHAR study

Scientific Title

Therapeutic effectiveness and safety of crovalimab, SKY 59, in patients with Paroxysmal Nocturnal Hemoglobinuria: a prospective multi-institutional observational study in Japan

Scientific Title:Acronym

ANSHAR study

Region

Japan


Condition

Condition

Paroxysmal Nocturnal Hemoglobinuria

Classification by specialty

Hematology and clinical oncology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effectiveness and safety of crovalimab in complement inhibitor-naive/treatment-experienced PNH patients in Japanese clinical setting, and to evaluate changes in protein expression after crovalimab treatment to generate data leading to understand the disease pathophysiology.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The proportion of patients who achieved hemolysis control from week 5 to week 25 after starting crovalimab in the complement inhibitor-naive cohort and complement inhibitor-treated cohort.

Key secondary outcomes

Following endpoints for thee complement inhibitor-naive group and complement inhibitor-treated group, from baseline to week 25:
1) Proportion of patients who achieved transfusion avoidance
2) Proportion of patients with stable hemoglobin levels
3) Proportion of patients who experienced breakthrough hemolysis
4) Changes in FACIT-Fatigue scores


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

16 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Common inclusion criteria for the complement inhibitor-naive group, complement inhibitor-treated group, and crovalimab treating group:
1.Understand Japanese consent form and consent to participate in the study 2.16 years or older at the time of consent 3.The patient has been diagnosed with PNH

2) Additional inclusion criteria for the complement inhibitor-naive group:
1. No prior treatment with complement inhibitors
2. Crovalimab treatment is planned based on the latest package insert

3) Inclusion criteria for patients in the complement inhibitor-naive group who will also undergo blood sampling and analysis :
1. Meet all selection criteria for the complement inhibitor-naive group
2. Consent to additional blood sampling for this evaluation
3. Not receiving crovalimab at the time of consent

4) Additional selection criteria for the complement inhibitor-treated group:
1. Meet at least one of the following criteria:
a. Have a history of treatment with eculizumab
b. Have a history of treatment with ravulizumab
c. Have a history of treatment with a proximal complement inhibitor

2. Crovalimab treatment is planned based on the latest package insert
5) Inclusion criteria for patients in the complement inhibitor-treated group who will also undergo blood sampling and analysis :
1.
a. Meet all selection criteria for the complement inhibitor-treated group
b. No record of having the Arg885His missense mutation in complement C5
c. Consent to additional blood sampling for this evaluation
d. Not receiving crovalimab at the time of consent
2. Meet at least one of the following criteria:
a. Continued eculizumab for at least 4 weeks until 2 weeks before starting crovalimab
b. Continued ravulizumab for at least 4 weeks until 8 weeks before starting crovalimab

6) Additional selection criteria for the crovalimab treating group:
1. Participated in a clinical trial of crovalimab and switched from the clinical trial to crovalimab treatment in clinical setting

Key exclusion criteria

Common exclusion criteria for the complement inhibitor-naive Group, complement inhibitor-treated group, and crovalimab treating group:
Patients who meet any of the following criteria will be excluded from the study:
1. Have a history or plan for hematopoietic stem cell transplantation
2. Treatment with crovalimab is considered inappropriate according to the package insert
3. Participating or planning to participate in another interventional study or clinical trial
4. Other reasons deemed unsuitable for participation in this study by the principal/sub-investigator
Inclusion/exclusion criteria for the healthy subject group:
Subjects who meet any of the following criteria will be excluded from the study. These items will be confirmed through self-reporting by the subjects:
1. Having uncontrolled hypertension at the time of consent
2. Being under 18 years of age at the time of consent
3. Weighing less than 40 kg at the time of consent
4. Having received treatment for malignancy within the past 104 weeks
5. Being pregnant
6. Having inflammatory conditions such as chronic infectious diseases (e.g., viral hepatitis), autoimmune diseases (e.g., SLE), chronic inflammatory demyelinating diseases (e.g., multiple sclerosis), inflammatory bowel diseases (e.g., ulcerative colitis), or complement-related diseases (e.g., PNH)
7. Having chronic kidney disease or liver disease, chronic heart failure or myocardial infarction diagnosed within the past 12 weeks, or uncontrolled diabetes (HbA1c more than 8% if known)
8. Having an acute viral or bacterial infection or a body temperature exceeding 38C within 24 hours before enrollment
9. Having participated in any therapeutic clinical trial within the past 52 weeks
10. Having taken any medication within the past 7 days
11. Having consumed alcohol within the past 12 hours
12. Having undergone plasma exchange within the past 16 weeks
13. Having received a blood transfusion within the past 52 weeks

Target sample size

89


Research contact person

Name of lead principal investigator

1st name Masami
Middle name
Last name Yamashita

Organization

CHUGAI PHARMACEUTICAL CO., LTD.

Division name

Specialty Medical Science Dept.

Zip code

103-8324

Address

1-1 NIHONBASHI-MUROMACHI, 2-CHOME, CHUO-KU, TOKYO

TEL

03-3273-2613

Email

cma-clinicaltrial@chugai-pharm.co.jp


Public contact

Name of contact person

1st name Satoshi
Middle name
Last name Kondo

Organization

CHUGAI PHARMACEUTICAL CO., LTD.

Division name

Specialty Medical Science Dept.

Zip code

103-8324

Address

1-1 NIHONBASHI-MUROMACHI, 2-CHOME, CHUO-KU, TOKYO

TEL

03-3273-0866

Homepage URL


Email

kondosts@chugai-pharm.co.jp


Sponsor or person

Institute

CHUGAI PHARMACEUTICAL CO., LTD.

Institute

Department

Personal name



Funding Source

Organization

Self-funding

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Non-Profit Organization MINS Institutional Review Board

Address

1-15-14, Dogenzaka, Shibuya, Tokyo, Japan

Tel

03-6416-1868

Email

npo-mins@j-irb.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2024 Year 07 Month 05 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2024 Year 06 Month 19 Day

Date of IRB

2024 Year 06 Month 20 Day

Anticipated trial start date

2024 Year 10 Month 24 Day

Last follow-up date

2030 Year 05 Month 02 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

none


Management information

Registered date

2024 Year 07 Month 03 Day

Last modified on

2025 Year 07 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000062696