LOW-PV Continuation
CONT-LOW-PV
1 other identifier
observational
36
1 country
13
Brief Summary
This multicenter longitudinal observational study focuses on Italian patients with Polycythemia Vera (PV) who were enrolled in the Low-PV RCT and continued receiving Ropeginterferon alfa-2b until the study's conclusion on March 31, 2023. It includes patients who were responders to Ropeginterferon alfa-2b after two years in the phase II randomized trial "LOW-PV." Data will be collected retrospectively every 6 months from March 31, 2023 to November 30, 2024 and prospectively from December 1, 2024 to March 31, 2026.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Nov 2024
13 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 30, 2024
CompletedFirst Submitted
Initial submission to the registry
December 17, 2024
CompletedFirst Posted
Study publicly available on registry
December 31, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 30, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2026
CompletedDecember 26, 2025
December 1, 2025
1.3 years
December 17, 2024
December 19, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Maintenance of Treatment response
Median HCT lower than 45% without disease progression
From date of randomization until the date of follow up assessed up to 6 months.
Secondary Outcomes (7)
Complete hematological (CHR) and clinical remission (CR)
From date of randomization until the date of follow up assessed up to 6 months
Change in JAK2 variant allele frequency (VAF) since treatment start
From date of randomization until the date of follow up assessed up to 6 months
Frequency of phlebotomies
From date of randomization until the date of follow up assessed up to 6 months
Change in spleen size since treatment start
From date of randomization until the date of follow up assessed up to 6 months
Incidence of any of the following: o arterial and venous thrombotic events; o hemorrhagic events; o disease related symptoms; o disease evolutions into myelofibrosis and acute leukemia; o secondary malignancies o death
During the follow up every 6months per patient.
- +2 more secondary outcomes
Eligibility Criteria
Thirty-six patients completed the Low-PV RCT and were still under treatment with Ropeg at study end. The "LOW-PV Continuation" study aim to update data of all these patients, regardless of the treatment they are undergoing at the time of enrollment in the current study, after having obtained their informed consent to participation.
You may qualify if:
- Patients enrolled in the LOW-PV RCT study who continued to receive Ropeginterferon alfa-2b until the conclusion of the study on March 31, 2023. These patients will be included regardless of the treatment they are undergoing at the time of enrollment in the current study.
- Patients who have signed the written informed consent for study participation.
You may not qualify if:
- None
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (13)
Fondazione IRCCS Policlinico San Matteo, Divisione Ematologia
Pavia, Lombardy, 27100, Italy
Ospedale Borgo Roma, Divisione Ematologia
Verona, Veneto, 37134, Italy
ASST Papa Giovanni XXIII, SC Ematologia
Bergamo, Italy
Policlinico S. Orsola - Malpighi, UO Ematologia
Bologna, Italy
Azienda Ospedaliero Universitaria Careggi, SOD Ematologia
Florence, Italy
Fondazione IRCCS Cà Granda - Ospedale Maggiore Policlinico, SC Ematologia
Milan, Italy
Ospedale San Raffaele, Unità Operativa di Ematologia e Trapianto Midollo Osseo
Milan, Italy
Azienda Ospedaliera Universitaria Federico II di Napoli Divisione di Ematologia e Trapianti del Midollo
Naples, 80131, Italy
Azienda Ospedaliero Universitaria Maggiore della Carità di Novara SCDU Ematologia
Novara, 28100, Italy
Policlinico Universitario Fondazione Agostino Gemelli
Roma, 00168, Italy
A.O.U. Città della Salute e della Scienza di Torino - Ospedale Molinette- S.C. Ematologia U
Torino, 10126, Italy
ASST Sette Laghi, Ospedale di Circolo e F. Macchi, Divisione UO Ematologia
Varese, Italy
Azienda ULSS 8 Berica - Ospedale San Bortolo, Divisione di Ematologia
Vicenza, Italy
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
TIZIANO BARBUI, MD
FROM- Fondazione per la Ricerca Ospedale di Bergamo- ETS
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 17, 2024
First Posted
December 31, 2024
Study Start
November 30, 2024
Primary Completion
March 30, 2026
Study Completion
March 31, 2026
Last Updated
December 26, 2025
Record last verified: 2025-12
Data Sharing
- IPD Sharing
- Will not share