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Paroxysmal Nocturnal Hemoglobinuria (PNH)Phase 2NCT03225287

Extension Study of RA101495 for Patients With PNH Who Have Completed a Zilucoplan (RA101495) Clinical Study

A Phase 2 study testing Zilucoplan (RA101495) in people with Paroxysmal Nocturnal Hemoglobinuria (PNH), run by Ra Pharmaceuticals, Inc. at 12 sites in 8 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The purpose of this study is to enable continued access to zilucoplan (RA101495) for patients with paroxysmal nocturnal hemoglobinuria (PNH) after they complete a zilucoplan clinical study. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Zilucoplan (RA101495)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
19 participants
Where
12 sitesin 8 countries
Study dates
17 Jul 2017to 26 Oct 2021
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Completion of a qualifying Ra Pharmaceuticals sponsored zilucoplan (RA101495) PNH study
  • Evidence of ongoing clinical benefit in the opinion of the Investigator

Who cannot join

  • History of meningococcal disease
  • Current systemic infection or suspicion of active bacterial infection

Trial locations and contacts

12 sites in 8 countries.

12 sites in 8 countries

United States2 sites
  • Investigative Site 19

    Dallas, Texas, 75390

  • Investigative Site 4

    Los Angeles, California, 90033

Other trials in United States

Australia2 sites
  • Investigative Site 3

    Gosford

  • Investigative Site 5

    Melbourne

Other trials in Australia

New Zealand2 sites
  • Investigative Site 13

    Christchurch

  • Investigative Site 12

    Hamilton

Other trials in New Zealand

United Kingdom2 sites
  • Investigative Site 6

    Leeds

  • Investigative Site 7

    London

Other trials in United Kingdom

Canada1 site
  • Investigative Site 10

    Toronto

Other trials in Canada

Finland1 site
  • Investigative Site 14

    Helsinki

Other trials in Finland

Germany1 site
  • Investigative Site 9

    Ulm

Other trials in Germany

Hungary1 site
  • Investigative Site 17

    Budapest

Other trials in Hungary

About this study

Official title: A Multicenter, Open-label, Uncontrolled, Extension Study of RA101495 in Subjects With Paroxysmal Nocturnal Hemoglobinuria Who Have Completed a RA101495 Clinical Study

The purpose of this study is to enable continued access to zilucoplan (RA101495) for patients with paroxysmal nocturnal hemoglobinuria (PNH) after they complete a zilucoplan clinical study.

Being tested
Zilucoplan (RA101495)
Medical subject headings
Hemoglobinuria, Paroxysmal

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Zilucoplan (RA101495)Drug

    Subjects will continue to receive the final maintenance dose they were receiving in the qualifying study.

Study groups in NCT03225287
Study groupRoleWhat they receive
Zilucoplan (RA101495)ExperimentalSubjects will continue to receive the final maintenance dose they were receiving in the qualifying study
Receives: Drug: Zilucoplan (RA101495)

What is being measured

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

  1. Percentage of Participants With Treatment Emergent Adverse Events (TEAEs)

    TEAEs were defined as an AE that occurs after a participant's initial treatment zilucoplan start for this study (RA101495-01.202) that was not present at the time of treatment start, or an AE that increases in severity after treatment start in this study, if the event was present at the time of treatment start.

    Measured: From Day 1 until the Final Study Visit (up to Month 49)

  2. Percentage of Participants With Serious TEAEs

    Serious Adverse event (SAE) was defined as any untoward medical occurrence that:• results in death, • is life-threatening threatening (note that this refers to an event in which the participant was at risk of death at the time of the event; it does not refer to an event that hypothetically might have caused death if it were more severe), • requires hospitalization or prolongation of existing hospitalization, • results in persistent or significant disability/incapacity, and • results in a congenital anomaly/birth defect.

    Measured: From Day 1 until the Final Study Visit (up to Month 49)

Secondary outcomes (16)
  1. Number of Participants With Anti-drug Antibodies (ADA)

    Blood samples collection were planned to analyze for the presence/absence of ADAs to zilucoplan for immunogenicity assessments.

    Measured: At Day 1, Month 1, 2, 3, 6, 9, and 12

  2. Change From Baseline in Serum Lactate Dehydrogenase (LDH) Levels at Each Time Point

    Serum LDH levels were measure of intravascular hemolysis. As high level of LDH in the blood was indicative of hemolysis in participants with PNH.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, and Final Study Visit (Month 49)

  3. Change From Baseline in Total Bilirubin Values at Each Time Point

    Total Bilirubin was monitored for signs and symptoms of hepatic or biliary dysfunction.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, and Final Study Visit (Month 49)

  4. Change From Baseline in Total Hemoglobin Values at Each Time Point

    Total Hemoglobin Values were analyzed for hematology assessments.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, and Final Study Visit (Month 49)

  5. Change From Baseline in Free Hemoglobin Values at Each Time Point

    Free Hemoglobin Values were analyzed for hematology assessments.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, and Final Study Visit (Month 49)

  6. Change From Baseline in Haptoglobin Values at Each Time Point

    Haptoglobin values were analyzed for hematology assessments.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, and Final Study Visit (Month 49)

  7. Change From Baseline in Reticulocytes at Each Time Point

    Reticulocytes values were analyzed for hematology assessments.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, and Final Study Visit (Month 49)

  8. Change From Baseline in Hemoglobinuria Values at Each Time Point

    Hemoglobinuria was assessed using a urine colorimetric scoring system with a score of 1 through 10 where 1 represents no hemoglobinuria and 10 represents maximum hemoglobinuria.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48 and Final Study Visit (Month 49)

  9. Plasma Concentrations of RA101495 and Its Major Metabolite(s)

    Blood samples of RA101495 (zilucoplan) and its metabolites (RA102758 and RA103488) were collected for Plasma concentration analysis.

    Measured: Predose: At Day 1 (Screening), Month 1, 2, 3, 6, 9, 12, and Final Study Visit (Month 49)

  10. Maximum Plasma Concentration (Cmax) of RA101495

    Cmax is the maximum plasma concentration.

    Measured: At Day 1, Month 1, 2, 3, 6, 9, and 12

  11. Time Corresponding to Cmax (Tmax) of RA101495

    tmax is the time to corresponding Cmax.

    Measured: At Day 1, Month 1, 2, 3, 6, 9, and 12

  12. Area Under the Drug Concentration-time Curve (AUC0-t) of RA101495

    AUC0-t is area under the drug concentration-time curves.

    Measured: At Day 1, Month 1, 2, 3, 6, 9, and 12

  13. Total Complement (CH50) Levels

    Blood samples collection were planned to assess complement (CH50) levels. The planned analysis of CH50 was not performed because the CH50 assay was not able to be validated due to lack of reproducibility of the manufacturer's kits.

    Measured: At Day 1, Month 1, 2, 3, 6, 9, and 12

  14. Change From Baseline in Sheep Red Blood Cell (sRBC) Values at Each Time Point

    Blood samples were collected for measurement of sRBC lysis for the Classical Complement Pathways.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12 and Final Study Visit (Month 49)

  15. Change From Baseline in Wieslab Enzyme-linked Immunosorbent Assay (ELISA) Values for Alternative Complement Pathway at Each Time Point

    Blood samples were collected for measurement of membrane attack complex (MAC) by Wieslab ELISA for alternative complement pathway.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12 and Final Study Visit (Month 49)

  16. Change From Baseline in Complement Component 5 (C5) Values at Each Time Point

    Blood samples were collected for measurement of Complement component 5 (C5) levels.

    Measured: Baseline, Month 1, 2, 3, 6, 9, 12 and Final Study Visit (Month 49)

Timeline

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

  1. First posted21 Jul 2017
  2. Study start17 Jul 2017
  3. Primary completion7 Sep 2021
  4. Study completion26 Oct 2021

Why it stopped: After careful consideration, UCB has decided to no longer pursue PNH as a potential indication for zilucoplan.

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
19 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03225287
Sponsor's protocol ID
RA101495-01.202
Other IDs
2016-003523-34, 2016
Status last verified
Sep 2023
First submitted
17 Jul 2017
Last updated
28 Sep 2023
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: Data from this trial may be requested by qualified researchers six months after product approval in the US and/or Europe, or global development is discontinued, and 18 months after trial completion. Investigators may request access to anonymized individual patient-level data and redacted trial documents which may include: analysis-ready datasets, study protocol, annotated case report form, statistical analysis plan, dataset specifications, and clinical study report. Prior to use of the data, proposals need to be approved by an independent review panel at www.Vivli.org and a signed data sharing agreement will need to be executed. All documents are available in English only, for a prespecified time, typically 12 months, on a password protected portal. This plan may change if the risk of re-identifying trial participants is determined to be too high after the trial is completed; in this case and to protect participants, individual patient-level data would not be made available.

Publications

  • Kulasekararaj AG, Lehtinen AE, Forsyth C, Gandhi S, Griffin M, Korper S, Mikala G, Muus P, Overgaard U, Patriquin CJ, Pullon H, Shen YM, Spearing R, Szer J, De la Borderie G, Duda PW, Farzaneh-Far R, Ragunathan S, Sayegh CE, Vadysirisack DD, Schrezenmeier H. Phase II trials of zilucoplan in paroxysmal nocturnal hemoglobinuria. Haematologica. 2024 Mar 1;109(3):929-935. doi: 10.3324/haematol.2022.281780. No abstract available.

    PubMed 37534517

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Zilucoplan (RA101495) in people with Paroxysmal Nocturnal Hemoglobinuria (PNH), run by Ra Pharmaceuticals, Inc. at 12 sites in 8 countries.

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 2 inclusion and 2 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: stopped early, as of the sponsor's last update on 28 Sep 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 12 sites in United States, Australia, New Zealand, United Kingdom, Canada and 3 more countries. 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.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 27 Oct 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Percentage of Participants With Treatment Emergent Adverse Events (TEAEs) (time frame: From Day 1 until the Final Study Visit (up to Month 49)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03225287, which also lists 1 linked publication.

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 28 Sep 2023.

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