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MelanomaRPxNCT06887348

A Study to Assess the Long-term Safety Outcomes in Patients Previously Treated With RP1, RP2, or RP3

An observational study of Melanoma and Metastatic Melanoma, run by Replimune, Inc. at 2 sites in 2 countries.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

This is a noninterventional, observational, long-term follow-up (LTFU) study. Patients in this study will be followed for 5 years from enrollment on this study to assess potential delayed risks of RPx products. Read more about this study

Who is it for?
Ages 18 years and older
How many people
50 participants
Where
2 sitesin 2 countries
Study dates
12 Dec 2025to Dec 2035
Phase
Observational
Are there results?
Not yet: the study is under way

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

Study population: Patients are eligible for inclusion in the study only if they meet all of the inclusion criteria. Deviations from the entry criteria that would be considered a protocol waiver or exemption are not permitted.

Who may be able to join

  • Patients are eligible for inclusion in the study only if they meet all of the following criteria:
  • Patient has received at least 1 dose of an RPx product and has completed or discontinued participation in the parent study.
  • Patient or patient's legal guardian has provided signed informed consent (or assent) as , which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.

Who cannot join

  • Patients are excluded from the study if the following criterion applies:
  • 1. Cannot comply with the requirements of the study.

Trial locations and contacts

2 sites in 2 countries. Contact the study team or a site near you to ask about taking part.

Clinical Trials at Replimune contact

1-781-222-9570

Clinicaltrials@replimune.com

2 sites in 2 countries

United States1 site, 1 recruiting
  • UC San Diego Moores Cancer Center

    La Jolla, California, 92093-0698

    Soo Park, MD

    Recruiting

Other trials in United States

Australia1 site, 1 recruiting
  • Tasman Oncology Research

    Southport, Queensland, 4215

    Andrew Hill, MD

    Recruiting

Other trials in Australia

About this study

Official title: Long-term Safety Outcomes in Patients Treated With Replimune Oncolytic Immunotherapy Products

This is a noninterventional, observational, long-term follow-up (LTFU) study. Patients in this study will be followed for 5 years from enrollment on this study to assess potential delayed risks of RPx products. Eligible participants for this LTFU study include patients who received at least 1 dose of an RPx product under the interventional parent study. Patients will be rolled over into this LTFU study after completion of the Replimune-sponsored parent study (ie, either completion of the LTFU in the parent study or withdrawal from the parent study). All patients in ongoing RPx studies will be asked to participate in this LTFU study so that the Sponsor can evaluate potential delayed risks.

Read the detailed description

Long-term outcomes include detection of delayed adverse event(s) for any new malignancy(ies), new incidence or exacerbation of a pre-existing neurologic disorder, rheumatologic or other autoimmune disorder, hematologic disorder, new incidence of infection related to RPx product and new incidence of herpetic-like infection. Patients with a suspected herpetic infection will be asked to provide a sample of the area of the suspected infection (using a swab), and also may be asked to provide additional biological samples (eg, a blood or urine sample to determine presence of RPx.) No study interventions will be administered in this observational study. Patients will be contacted by telephone every 3 months (Q3M) for 5 years from enrollment on this study. Participant visits may occur in person, over the phone, by video conference, or other technology.

Being tested
Observational study with no interventions
Keywords
Advanced solid tumors, Immunotherapy, Immuno-oncology, Oncolytic virus, Oncolytic immuno-gene therapy, Hepatocellular Carcinoma, Cutaneous Melanoma, Anti-PD1 failed, Non-melanoma Skin Cancer, Melanoma (skin)
Medical subject headings
Melanoma, Carcinoma, Hepatocellular

What participants receive

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

  • Observational study with no interventionsOther

    Also called Observational Study

    This is an observational study and there will be no clinical interventions.

Study groups in NCT06887348
Study groupRoleWhat they receive
Patients who received at least 1 dose of an RPx [RP1, RP2, RP3]This is an observational study and there will be no clinical interventions.
Receives: Other: Observational study with no interventions

What is being measured

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

  1. Evaluate the long-term safety of patients treated with an RPx product

    Measured: Every 3 months (Q3M) (± 30 days) for 5 years from enrollment on this study to assess potential delayed risks

  2. Identify any delayed adverse event(s) related to treatment with an RPx product

    Measured: Every 3 months (Q3M) (± 30 days) for 5 years from enrollment on this study to assess potential delayed risks

  3. Identify systemic HSV-1 infection related to treatment with an RPx product

    Measured: Every 3 months (Q3M) (± 30 days) for 5 years from enrollment on this study to assess potential delayed risks

Timeline

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

  1. First posted20 Mar 2025
  2. Study start12 Dec 2025
  3. Primary completionDec 2030 (estimated)
  4. Study completionDec 2035 (estimated)

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
50 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06887348
Sponsor's protocol ID
RPL-123-01
Acronym
RPx
Status last verified
Jan 2026
First submitted
14 Mar 2025
Last updated
12 Jan 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No
Expanded access
Available

Questions about this trial

What is this clinical trial studying?

An observational study of Melanoma and Metastatic Melanoma, run by Replimune, Inc. at 2 sites in 2 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 3 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: looking for participants now, as of the sponsor's last update on 12 Jan 2026. 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 United States, Australia. 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?

This study is still under way. Results are not available in the source record yet.

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

Contact Clinical Trials at Replimune (1-781-222-9570, Clinicaltrials@replimune.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Evaluate the long-term safety of patients treated with an RPx product (time frame: Every 3 months (Q3M) (± 30 days) for 5 years from enrollment on this study to assess potential delayed risks). The study lists 3 primary outcomes in all. 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 12 Jan 2026.

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