The Appendix Cancer PMP Research Foundation Natural History Study/Patient Registry

August 14, 2026 updated by: Appendix Cancer Pseudomyxoma Peritonei Research Foundation

The ACPMP Research Foundation Appendix Cancer/PMP Patient Registry

ACPMP's first-ever patient-powered global patient registry/natural history study collects patient and caregiver information and data to fuel clinical trials and drive breakthroughs for appendix cancer and PMP. We've invested the time and resources to make our Registry regulatory grade. Our Registry operates under active, ongoing Institutional Review Board (IRB) oversight by independent ethicists. It is powered by NORD's IAMRARE®, an industry gold standard platform built to be consistent with FDA's best thinking on natural history studies.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Detailed Description

The ACPMP Research Foundation Appendix Cancer/PMP Patient Registry is a global, patient-powered natural history study designed to systematically collect longitudinal information from individuals affected by appendix cancer and Pseudomyxoma Peritonei (PMP).

The primary aim of the Registry is to improve understanding of these rare diseases, including their characteristics, clinical course, treatment patterns, and progression over time. Information collected through the Registry will help characterize the population affected by appendix cancer and PMP, support the development of recommendations and standards of care, and provide a resource for researchers studying disease biology, treatment outcomes, and accelerate the discovery of new treatments.

Participants, caregivers, and other authorized representatives provide information through a series of online surveys that include a prompt for patients to upload pathology reports, genomic sequencing, ctDNA reports and other relevant medical documents. Retrospective and prospective data collected include sociodemographic information, medical and diagnostic history, treatments, disease progression, management of care, and quality of life. Participants are asked to return periodically to update their information, allowing changes in disease and patient experience to be evaluated over time.

The Registry also serves as a resource to support future research and clinical trial development. With appropriate review and approval, Registry data may be used by researchers conducting retrospective studies or designing prospective studies of novel treatments. The Registry may also facilitate communication with participants about research opportunities and clinical trials for which they may be eligible.

The Registry is sponsored and managed by the Appendix Cancer Pseudomyxoma Peritonei (ACPMP) Research Foundation and is hosted on the National Organization for Rare Disorders (NORD) IAMRARE® platform. The study is conducted under Institutional Review Board (IRB) oversight and follows established procedures for the collection, management, protection, and appropriate research use of participant data.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
10000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • United States
    • Pennsylvania
      • Springfield, Pennsylvania, United States, 19064
        • Recruiting
        • ACPMP
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

The study population consists of individuals diagnosed with appendix cancer who meet the Registry's eligibility criteria. Participants may provide information about themselves, or information may be provided by a legally authorized representative when applicable. Designated representatives may provide retrospective information for individuals who died from appendix cancer, as permitted by the study protocol. The Registry is available online and allows eligible individuals to contribute data from locations worldwide.

Description

Inclusion Criteria:

  • Diagnosis of appendix cancer.
  • Meets the study inclusion criteria for participation.
  • Participant or, when applicable, a legally authorized representative (LAR) is able to provide informed consent and enter information into the Registry.
  • A designated representative may provide retrospective information for an individual who died from appendix cancer, as permitted by the study protocol.

Exclusion Criteria:

  • Individuals who do not meet the study inclusion criteria.
  • Individuals for whom required informed consent cannot be obtained.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Participants with Appendix Cancer and/or Pseudomyxoma Peritonei (PMP)
Individuals diagnosed with appendix cancer and/or Pseudomyxoma Peritonei (PMP) who enroll in the ACPMP Research Foundation Appendix Cancer/PMP Patient Registry. Participants, caregivers, or authorized representatives provide health and disease-related information through online surveys and may periodically update their information over time.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Natural history and clinical course of appendix cancer and Pseudomyxoma Peritonei (PMP)
Time Frame: Up to 5 years
Characterization of the natural history and clinical course of appendix cancer and Pseudomyxoma Peritonei (PMP) using participant- and caregiver-reported data collected through the ACPMP Patient Registry.
Up to 5 years

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Disease Characteristics
Time Frame: Up to 5 years
Disease characteristics of appendix cancer and pseudomyxoma peritonei (PMP), including disease type, extent, and other participant-reported disease characteristics.
Up to 5 years
Treatment History
Time Frame: Up to 5 years
Cancer treatment history, including surgical procedures, chemotherapy, and other treatments received for appendix cancer and PMP.
Up to 5 years
Diagnosis
Time Frame: Up to 5 years
Characteristics and timing of diagnosis of appendix cancer and PMP, including initial diagnosis and diagnostic findings.
Up to 5 years
Disease Progression
Time Frame: Up to 5 years
Disease progression over time, based on participant- and caregiver-reported information regarding changes in disease status.
Up to 5 years
Management of Care
Time Frame: Up to 5 years
Changes in management of care for appendix cancer and PMP, including treatments, procedures, and changes in care over time.
Up to 5 years
Signs and Symptoms
Time Frame: Up to 5 years
Changes in signs and symptoms associated with appendix cancer and PMP over time, based on participant- and caregiver-reported data.
Up to 5 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Appendix Cancer Pseudomyxoma Peritonei Research Foundation

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
National Organization for Rare Disorders

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Deborah Shelton, ACPMP
  • Study Chair: Dr. Erin P. Ward, MD, University of Utah

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 2, 2026

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 1, 2030

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
February 1, 2030

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 12, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 14, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 17, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 17, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 14, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • ACPMP-001
  • NB500335 (Other Identifier: North Star Review Board)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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