ClinicalTrials.gg
No longer availableNCT04681248Updated Aug 3, 2025

Expanded Access Use of DKN-01 for the Treatment of Advanced Solid Tumors

An expanded access record providing DKN-01 in Esophageal Neoplasm, Adenocarcinoma of the Gastroesophageal Junction and GastroEsophageal Cancer, sponsored by Leap Therapeutics, Inc.. No longer available at 5 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-08-03.

Sponsored by Leap Therapeutics, Inc. · Expanded access

Study type
Expanded access
Access type
Intermediate-size population
Ages
18 Years and older
Sex
All
01

Study summary

An Expanded Access Protocol for use of DKN-01 for the treatment of advanced solid tumors.

Read the detailed description

This is a intermediate-size Expanded Access Protocol (EAP). Patients who were receiving DKN-01 in a parent study at the time of completion of the parent study, and are, in the opinion of the Investigator and Sponsor, suitable candidates for continued study drug treatment are eligible for participation in the current EAP. In this EAP, previously treated patients will receive DKN-01 at the same dose and schedule as at the time of completion of the parent study. Furthermore, patients who received DKN-01 in combination in the parent study will continue to receive the same combination agent at the same dose and schedule in the EAP.

DKN-01 naïve patients, with advanced solid tumors not eligible for enrollment to a DKN-01 clinical study but whom, in the opinion of the treating oncologist, would potentially receive benefit from treatment with DKN-01 while it is an investigational drug may be eligible for enrollment in this EAP. Eligible DKN-01 naïve patients with Wnt activating mutations will receive DKN-01 as monotherapy, administered intravenously on Day 1 of each 21-day cycle at a dose of 600 mg, with a loading dose of 600 mg of DKN-01 administered on Day 15 of Cycle 1 only.

02

Conditions studied

  • Esophageal Neoplasm
  • Adenocarcinoma of the Gastroesophageal Junction
  • GastroEsophageal Cancer
  • Squamous Cell Carcinoma
  • Gastric Adenocarcinoma
  • Endometrial Cancer
  • Uterine Cancer
  • Ovarian Cancer
  • Carcinosarcoma
  • Gastric Cancer

Keywords

  • DKK1
  • DKN-01
  • epithelial histology
  • Wnt pathway
  • endometrial
  • uterine
  • ovarian
  • carcinosarcoma
  • gastric cancer
  • gastroesophageal junction
03

In context

Esophageal Neoplasms

1,873 studies on the registry are indexed under Esophageal Neoplasms; 501 are open to participants now.

Browse Esophageal Neoplasms studies →

Lead sponsor

Leap Therapeutics, Inc. is the lead sponsor of 11 studies on the registry; none are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 2 (40%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • or histologically confirmed advanced solid tumors that are inoperable, locally advanced, , or recurrent, with no standard of care treatment options, and not eligible for enrollment to a DKN-01 clinical study, may be treated with DKN-01 in this study if in the opinion of the treating oncologist, would potentially receive benefit from treatment with DKN-01 while it is an drug
  • Prior documentation of a known Wnt activating mutation by a CLIA-accredited laboratory. Wnt activating mutations: CTNNB1, APC, AXIN1/2, RNF43, ZNRD3, RSPO2, RSPO3
  • performance status (PS) of ≤ 2 (Medical Monitor's approval is needed for enrolling a patient with PS of 2).
  • Laboratory values:

    1. Total ≤ 2.0 times (ULN). Total bilirubin must be \< 3 X ULN for patients with Gilbert's syndrome.
    2. (AST) and alanine aminotransferase (ALT) ≤ 3 X ULN (if liver metastases are present, then ≤ 5 X ULN is allowed).
    3. Serum creatinine ≤ 1.5 X ULN.
    4. Neutrophil absolute count ≥ 1,500/mm3 (≥1.5 X 109/L).
    5. count ≥ 75,000/mm3 (≥100 X 109/L).
    6. ≥ 9g/dL (transfusion within 30 days of screening is permitted).

Exclusion criteria

Exclusion Criteria:

  • Major surgery within 4 weeks of first dose of study drug.
  • Toxicities (as a result of prior anticancer therapy) that have not recovered to baseline or stabilized, except for AEs not considered a likely safety risk (e.g., alopecia, neuropathy and specific laboratory abnormalities).
  • Any of the following cardiovascular risk factors:

    1. Pulmonary embolism within 28 days before first dose of study drug.
    2. Any history of acute myocardial infarction within 6 months before first dose of study drug.
    3. Uncontrolled hypertension that cannot be managed by standard anti-hypertension medications within 28 days before first dose of study drug.
  • Severe chronic or active infections requiring systemic antibacterial, antifungal or antiviral therapy, including tuberculosis infection within 14 days of first dose of study drug.
  • Active . Patients are eligible if brain metastases are adequately treated, and patients are neurologically stable for at least 2 weeks prior to enrolment without the use of or are on a stable or decreasing dose of ≤ 10mg daily prednisone (or equivalent).
Terms in these criteria, in plain language(11)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Brain metastases

Cancer deposits in the brain from a cancer that started elsewhere in the body (CNS metastases include the spinal cord).

Studies differ: some leave out any brain metastases, some accept ones treated and stable for some weeks. Check what this study allows.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

05

Access details

Study type
Expanded access
Access type
Intermediate-size population

Available treatment

  • DrugDKN-01

    Administered by IV infusion

06

Where to request access

5 sites
  • University of Alabama
    Birmingham, Alabama 35294, United States
  • Cedars Sinai Medical Care Foundation
    Los Angeles, California 90025, United States
  • Northwestern University
    Chicago, Illinois 60611, United States
  • University of Wisconsin
    Madison, Wisconsin 53715, United States
  • Medical College of Wisconsin
    Milwaukee, Wisconsin 53226, United States
07

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 3, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
08

Registry details

Key details

Study ID
NCT04681248
Lead sponsor
Leap Therapeutics, Inc.
Responsible party
Sponsor
First posted
Dec 23, 2020
Last update
Aug 3, 2025
View the source record on ClinicalTrials.gov ↗

Requesting access

Expanded access is arranged between your doctor and the company. Ask your care team to contact the provider listed on this record.

No contact was published for this record. The registry link below has the sponsor’s details.

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