Intermediate-Size Cohort EAP for Ersodetug in Patients With Inadequately Controlled Hypoglycemia Related to a Tumor

November 21, 2025 updated by: Rezolute

Intermediate-Size Cohort EAP for Ersodetug in Patients With Refractory Hypoglycemia Due to Tumor-Associated Hyperinsulinism (Tumor HI) Who Are Unable to Participate in a Clinical Trial

This expanded access program is intended to provide ersodetug, an investigational drug, to eligible participants who suffer from inadequately controlled hypoglycemia due to tumor-associated hyperinsulinism and are unable to participate in ersodetug clinical trial. Participation is open to participants who meet the eligibility criteria and for whom access to the investigational drug is deemed appropriate by the treating physician.

Study Overview

Status

Status

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

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.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

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.
Expanded Access

Expanded Access Type

Expanded Access Type

Describes the category of expanded access under U.S. Food and Drug Administration (FDA) regulations. There are three types of expanded access:
  • Individual Patients: Allows a single patient, with a serious disease or condition who cannot participate in a clinical trial, access to a drug or biological product that has not been approved by the FDA. This category also includes access in an emergency situation.
  • Intermediate-size Population: Allows more than one patient (but generally fewer patients than through a Treatment IND/Protocol) access to a drug or biological product that has not been approved by the FDA. This type of expanded access is used when multiple patients with the same disease or condition seek access to a specific drug or biological product that has not been approved by the FDA.
  • Treatment IND/Protocol: Allows a large, widespread population access to a drug or biological product that has not been approved by the FDA. This type of expanded access can only be provided if the product is already being developed for marketing for the same use as the expanded access use.
  • Intermediate-size Population

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.

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

N/A

Description

Inclusion Criteria:

  • Uncontrolled hypoglycemia due to documented tumor HI (including but not limited to: insulin/pro-insulin producing pancreatic/non-pancreatic neuroendocrine tumors, insulin-like growth factor-producing NICTH) that is not adequately managed with available SoC anti-hypoglycemic therapies (per Treating Physician's judgement).
  • Inability to participate in any ersodetug clinical trial.
  • Women of childbearing potential (WOCBP) must not be pregnant or breast feeding, and must be willing to use effective contraceptive measures or practice complete sexual abstinence to prevent pregnancy for the duration of the Cohort EAP AND for at least 5 months after receiving the last dose of ersodetug.
  • Male participants with female partner of childbearing potential must be willing to use effective contraceptive measures or practice complete sexual abstinence to prevent pregnancy for the duration of the Cohort EAP AND for at least 5 months after receiving the last dose of ersodetug.

Exclusion Criteria:

  • Any unexplained out-of-range laboratory value (other than glucose) that is assessed as clinically significant impacting patient safety if enrolled by the Treating Physician. Laboratory or other abnormalities that are considered related to the underlying disease or associated therapies that do not pose additional safety risk for participation per Treating Physician may be allowed upon Medical Monitor approval.
  • Evidence of active infection including (but not limited to) human immunodeficiency virus, hepatitis B, or hepatitis C.
  • Known allergy or sensitivity to ersodetug or any component of the drug.
  • Treatment with an investigational drug or device within 30 days or 5 t½ of the investigational drug before the planned 1st dose of ersodetug, whichever is longer. However, if the Treating Physician and Medical Monitor consider no significant risk of drug-drug interaction and potential benefit to outweigh the risk, then the participant may be allowed to participate. Participation in registries and/or purely diagnostic studies are allowed.
  • Any organ condition, concomitant disease (including but not limited to any psychiatric illness, severe alcoholism, or drug abuse, cardiac, hepatic, or kidney disease), or other abnormality that itself, or the treatment of which, could interfere with the conduct of the program (e.g., may affect absorption, distribution, metabolism, or elimination of the program drug) or that, in the opinion of the Treating Physician and/or Medical Monitor would pose an unacceptable risk to the participant in the program.

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?

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.
Rezolute

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 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).
November 21, 2025

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.
November 21, 2025

First Posted (Estimated)

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.
December 4, 2025

Study Record Updates

Last Update Posted (Estimated)

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.
December 4, 2025

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.
November 21, 2025

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.
November 1, 2025

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.
  • RZ358-303

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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