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Hemophilia A With InhibitorNCT03372993

Prospective, Non-interventional Study to Evaluate Immunogenicity of AryoSeven

An observational study of Hemophilia A With Inhibitor and Hemophilia B With Inhibitor, run by AryoGen Pharmed Co. at 2 sites in Iran.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study evaluates the immunogenicity of the biosimilar rFVIIa (AryoSeven) in subjects receiving AryoSeven in real-life clinical practice. Read more about this study

Who is it for?
Any age
How many people
200 participants
Where
2 sitesIran
Study dates
13 Jun 2016to 15 Apr 2021
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Patients with Hemophilia A or B with inhibitors, Factor VII Deficiency, Glanzmann's thrombasthenia, who have received one or more dose of AryoSeven in the daily practice and are negative at immunogenicity testing (antibodies neutralizing FVII).

Who may be able to join

  • Patients with Hemophilia A or B with inhibitors, Factor VII Deficiency, Glanzmann's thrombasthenia
  • Treated with AryoSeven in the daily practice,
  • Signed informed consent (parents for children).
  • an immunogenicity test negative, performed at the earliest time after NovoSeven was no longer available in Iran. Patients who do not have a previous negative immunogenicity test should be enrolled if negative at immunogenicity test performed during screening for this study.

Who cannot join

  • Patients who received NovoSeven for any indication at any time before inclusion in the study, until an immunogenicity test excluded the development of immunogenicity related to NovoSeven.
  • Parallel participation in another experimental drug trial.
  • Parallel participation in another marketed drug trial (except for AryoSeven) that may affect the immunogenicity endpoint of the study.

Trial locations and contacts

2 sites in 1 country.

Iran2 sites
  • Iranian Blood Transfusion Organization (IBTO)

    Tehran

  • MAHTA (Iranian Hemophilia and Thrombophilia Association)

    Tehran

Other trials in Iran

About this study

Official title: A Post-Marketing, Observational Study in Iran to Determine the Immunogenicity Status in Patients Who Have Received rFVIIa AryoSeven.

This study evaluates the immunogenicity of the biosimilar rFVIIa (AryoSeven) in subjects receiving AryoSeven in real-life clinical practice.

Read the detailed description

This is a Non-interventional, observational, prospective evaluation of immunogenicity (neutralizing antibodies toward FVII) of patients with Hemophilia A or B with inhibitors, Factor VII Deficiency, Glanzmann's thrombasthenia, who have received one or more dose of AryoSeven in the daily practice. This study is conducted in Iran where AryoSeven is available on the market since 21-8-2012 and NovoSeven is no longer available since 2013. Patients will be retrieved from the Iranian Registry of Hemophilia patients of MATHA (Iranian Hemophilia and Thrombophilia Association, Tehran, Iran). The Registry Patient Screener will sequentially review patients in the Registry to identify patients who have received treatment with AryoSeven, in reverse chronological order of inclusion in the registry, starting from a date 6 months prior to the date of this study and until when the sample size to enroll (200 patients) is completed.

Patients identified will be called for a visit (Screening visit) for providing informed consent, interview, and blood sampling collection for prospective immunogenicity testing. Retrospective data collection, including previous immunogenicity status and the number of exposure days, will be performed on hospital records, patient diary. Immunogenicity will be tested by a centralized laboratory in Iran using the PT-based Bethesda assay.

Patients will be enrolled if they had an immunogenicity test negative, performed at the earliest time after NovoSeven was no longer available in Iran. Patients who do not have a previous negative immunogenicity test will be enrolled if negative at immunogenicity test performed during screening for this study.

Patients enrolled will be followed for at least 12 months for immunogenicity and Adverse Drug Reactions.

Patients who have a positive previous immunogenicity test or results positive at immunogenicity test performed at Screening (patients without a previous immunogenicity test), will not be enrolled, but registered and followed for 12 months (or longer) to collect data on the natural history of their disease.

Medical subject headings
Factor VII Deficiency, Thrombasthenia

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Immunogenicity (neutralising antibodies toward FVII)

    Immunogenicity will be assessed with the PT based Bethesda assay. In case of positive results, an inhibitor retesting using a second separately drawn sample as confirmatory measurement will be performed by a different specialised laboratory.

    Measured: On plasma samples obtained 12 months after patient inclusion.

Secondary outcomes (1)
  1. Adverse Drug Reactions

    Adverse Drug Reactions related to the administration of AryoSeven reported by patients.

    Measured: Adverse Drug Reactions will be monitored throughout the trial, from patient inclusion up to 12 months follow-up.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Dec 2017
  2. Study start13 Jun 2016
  3. Primary completionMar 2021
  4. Study completion15 Apr 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03372993
Sponsor's protocol ID
ARY2016-01
Status last verified
Jul 2020
First submitted
5 Dec 2017
Last updated
15 Feb 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Hemophilia A With Inhibitor and Hemophilia B With Inhibitor, run by AryoGen Pharmed Co. at 2 sites in Iran.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 15 Feb 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Iran. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Immunogenicity (neutralising antibodies toward FVII) (time frame: On plasma samples obtained 12 months after patient inclusion.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Feb 2022.

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