Clinical trial • Phase IV • Oncology

Avapritinib for Systemic mastocytosis

Phase IV trial of Avapritinib for Systemic mastocytosis. open-label. 34 participants.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Systemic mastocytosis
Trial Stage
Phase IV
Drug Modality
Small molecule
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
07-06-2024
First CTIS Authorization Date
08-10-2024

Trial design

open-label Phase IV trial across 5 sites in Italy, Belgium, Norway and others.

Open Label
Yes
Target Sample Size
34

Eligibility

Recruits 34 paediatric patients.

Pregnancy Exclusion
Patient is pregnant and/or breastfeeding.
Vulnerable Population
For pediatric patients, the informed consent may be obtained from the patient’s parent or legal guardian. If consent cannot be expressed in writing, then the consent must be formally documented and witnessed, ideally via an independent trusted witness. Parent(legal guardian consent will be determinde by local, regional and/or national guidelines.

Inclusion criteria

  • {"criterion_text":"- Participated in a Blueprint Medicines sponsored avapritinib clinical study and is either receiving or on interrupted treatment with avapritinib. If the patient has been on drug hold for over 56 days, the Medical Monitor should be consulted prior to enrollment and study drug administration. The Sponsor reserves the right to not roll over patients who have been on drug hold for an extended time period. - Inclusion of pediatric patients with CNS tumors applies in Canada only.\n- Completed the parent study treatment requirements and demonstrated compliance with the parent study requirements, as assessed by the Principal Investigator.\n- Continue to clinically benefit from treatment with avapritinib, as determined by the Principal Investigator from the parent study.\n- Able to give written informed consent. Written informed consent must be obtained prior to enrolling in the rollover study and receiving the study treatment. If consent cannot be expressed in writing, then the consent must be formally documented and witnessed, ideally via an independent trusted witness. For pediatric patients, the informed consent may be obtained from the patient’s parent or legal guardian. Parent(legal guardian consent will be determinde by local, regional and/or national guidelines.\n- Agree to continue to use highly effective contraception as defined in this protocol.\n- Female patients of childbearing potential must have negative highly sensitive serum pregnancy test within 20 days before the first dose of avapritinib. Pregnancy will be documented by a serum beta human chorionic gonadotropin (β-hCG) pregnancy test consistent with pregnancy. Women with β-hCG values that are within the range for pregnancy but are not pregnant (false-positives) may be enrolled with written approval of the Sponsor after pregnancy has been excluded. Women of non-childbearing potential (postmenopausal, hysterectomy, bilateral salpingectomy, or bilateral oophorectomy) do not require a serum β-hCG pregnancy test."}

Exclusion criteria

  • {"criterion_text":"- Patient is participating in another interventional study.\n- Patient is unwilling or unable to comply with study procedures and study restrictions.\n- Patient is pregnant and/or breastfeeding."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- no primary end points","definition_or_measurement_approach":""}

Recruitment

Planned Sample Size
34
Recruitment Window Months
38
Consent Approach
Written informed consent must be obtained prior to enrolling in the rollover study and receiving the study treatment. If consent cannot be expressed in writing, then the consent must be formally documented and witnessed, ideally via an independent trusted witness. For pediatric patients, the informed consent may be obtained from the patient’s parent or legal guardian. Parent(legal guardian consent will be determinde by local, regional and/or national guidelines. Country-specific subject information and informed consent forms are provided (examples in Italian, Dutch, French, Norwegian, English as per ICF documents listed).

Geography

Total Number Of Sites
5
Total Number Of Participants
26

Italy

Earliest CTIS Part Ii Submission Date
29-08-2024
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
580
Number Of Sites
1
Number Of Participants
2

Sites

Site Name
Azienda Ospedaliera Universitaria San Giovanni Di Dio E Ruggi d'Aragona
Department Name
Department of Medicine, Division of Allergy and Immunology, University of Salerno
Contact Person Name
Massimo Triggiani
Contact Person Email
mtriggiani@unisa.it

Belgium

Earliest CTIS Part Ii Submission Date
02-09-2024
Latest Decision Or Authorization Date
31-03-2026
Processing Time Days
575
Number Of Sites
1
Number Of Participants
7

Sites

Site Name
Antwerp University Hospital
Department Name
Immunology - Allergology - Rheumatology
Contact Person Name
Vito Sabato
Contact Person Email
vito.sabato@uza.be

Norway

Earliest CTIS Part Ii Submission Date
19-09-2024
Latest Decision Or Authorization Date
31-03-2026
Processing Time Days
558
Number Of Sites
1
Number Of Participants
10

Sites

Site Name
Oslo University Hospital HF
Department Name
Department of Hematology
Contact Person Name
Ingunn Dybedal
Contact Person Email
idybedal@ous-hf.no

Netherlands

Earliest CTIS Part Ii Submission Date
03-09-2024
Latest Decision Or Authorization Date
30-03-2026
Processing Time Days
573
Number Of Sites
2
Number Of Participants
7

Sites

Site Name
Universitair Medisch Centrum Groningen
Department Name
Department of Internal Medicine
Contact Person Name
Hanneke Oude Elberink
Contact Person Email
j.n.g.oude.elberink@umcg.nl
Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Department of Internal Medicine
Contact Person Name
Paulus Van Daele
Contact Person Email
p.l.a.vandaele@erasmusmc.nl

Sponsor

Primary sponsor

Full Name
Blueprint Medicines Corp.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Endpoint Clinical Inc.
Responsibilities
sponsorDuties codes: 3
Name
PPD Development LP
Responsibilities
sponsorDuties codes: 13; 15: Pharmacovigilance case processing, medical review, reporting and submission (PV)
Name
Syneos Health Netherlands B.V.
Responsibilities
sponsorDuties codes: 1, 12, 2, 5, 6, 7

Third parties

  • {"country":"United States","full_name":"Endpoint Clinical Inc.","duties_or_roles":"sponsorDuties codes: 3","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"sponsorDuties codes: 13; 15: Pharmacovigilance case processing, medical review, reporting and submission (PV)","organisation_type":"Pharmaceutical company"}
  • {"country":"Netherlands","full_name":"Syneos Health Netherlands B.V.","duties_or_roles":"sponsorDuties codes: 1, 12, 2, 5, 6, 7","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
Avapritinib
Active Substance
Avapritinib
Modality
Small molecule
Routes Of Administration
Oral
Route
Oral
Authorisation Status
Authorised (MIA number 20377)

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