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RecruitingLast updated: 16 December 2025

PAUF-I: This study is recruiting people with advanced or metastatic pancreatic cancer who have progressed after previous treatment with chemotherapy to evaluate a new drug (called PBP1510) by itself and in combination with chemotherapyA First in Human, Phase 1/2a, Multicentre, Open-label Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of PBP1510 in Patients with Advanced/Metastatic Pancreatic Cancer

Trial purpose

Medical clipboardCancer treatment

Tumor type

Upper gastrointestinal tract Cancers Upper gastrointestinal tract

Age

People18+

Trial acronym

PAUF-I

Clinical summary

Summary

This study is assessing how safe and effective a drug called PBP1510 is in people with advanced or metastatic pancreatic cancer whose tumours have progressed on a least one previous line of chemotherapy for their locally advanced or metastatic disease.

PBP1510 is a IgG1 monoclonal antibody (mAb) that targets and neutralises PAUF, which is administered as a 90-minute intravenous (IV) infusion.

The study has two parts.

Part 1 (Phase 1) is a dose-escalation phase, where PBP1510 will be given by itself (monotherapy cohorts) or in combination with Gemcitabine chemotherapy (combination cohorts). Gemcitabine will be given as a 30-minute IV infusion. During this phase, the recommended phase 2 dose (RP2D) will be selected based on the analysis of pharmacokinetics (PK), safety and efficacy data.

Part 2 (Phase 2a) will be an open-label study and participants will receive the RP2D of PBP1510 (as determined in Part 1), in combination with Gemcitabine chemotherapy.

Conditions

This trial is treating people with cancer of the pancreas

Eligibility

Inclusion

  1. Adults ≥ 18 years of age (or the legal age of majority in the country of recruitment) at the time consent is obtained.
  2. Patient should understand, voluntarily sign, and date the written consent form prior to any protocol-specific procedures.
  3. Performance Status score less than or equal to 1 according to the Eastern Cooperative Oncology Group (ECOG) scale.
  4. Have histological or cytological evidence of a diagnosis of pancreatic cancer that is advanced and/or metastatic.
  5. Have a life expectancy of ≥ 3 months.
  6. No other malignancy present that would interfere with the current intervention.
  7. Prior radiation therapy for treatment of cancer is allowed to < 25% of the bone marrow, and patients must have recovered from the acute toxic effects of their treatment prior to study enrolment. Prior radiotherapy must be completed at least 4 weeks before the first dose of study treatment.
  8. At least one measurable lesion as per RECIST v1.1

  9. Adequate baseline organ function defined as:

    ANC ≥ 1.5 × 10^9 /L; Haemoglobin ≥ 9 g/dL; Platelets ≥ 100 × 10^9 /L; Total bilirubin ≤ 2 × ULN (≤ 3 x ULN for patients with biliary stenting and patients with Gilbert's syndrome); AST and ALT < 3 x ULN (≤ 5 x ULN for patients with hepatic metastases); Serum creatinine OR creatinine clearance (as determined by the Cockcroft Gault formula) OR eGFR based on MDRD ≤ 1.5 x ULN OR ≥ 50 mL/min OR ≥ 50 mL/min/1.73 m^2; LVEF ≥ 50% by ECHO or MUGA; QTc ≤ 470 ms

  10. Female patients of nonchildbearing potential must meet at least 1 of the following criteria: have undergone a documented hysterectomy, and/or bilateral oophorectomy; have medically confirmed ovarian failure or achieved postmenopausal status. A postmenopausal state is defined as cessation of regular menses for at least 12 consecutive months with no alternative pathological or physiological cause and have a follicle stimulating hormone (FSH) level confirming the postmenopausal state in women not using hormonal contraception or hormonal replacement therapy. Female patients of childbearing potential must have a negative serum pregnancy test within 28 days prior to and negative urine pregnancy test just prior to the first dose of PBP1510 and agree to use effective contraception, in accordance with the recommendations of the Clinical Trials Facilitation and Coordination Group (CTFG) from study entry and until for at least 6 months after the last dose of PBP1510.

  11. For women of childbearing potential and men with partners of childbearing potential, agreement (by patient and/or partner) to use two effective forms of contraception (e.g., surgical sterilization, a reliable barrier method, birth control pills, or contraceptive hormone implants) from study entry and until for at least 6 months after the last dose of PBP1510.

    Investigator or his/her representative should discuss acceptable pregnancy prevention method(s) with the patients. Highly effective methods of birth control include those that result in a low failure rate (i.e., less than 1% per year) when used consistently and correctly, such as implants, injectables, combined oral contraceptives, levonorgestrel-releasing intrauterine system, intra-uterine devices (IUDs), and true sexual abstinence.

  12. Patients must be willing and able to comply with scheduled visits, treatment plan, study restrictions, laboratory tests, contraceptive guidelines, and other study procedures.

    Patients enrolling into Part 1 (Phase 1) of the study must also meet the following inclusion criteria:

  13. Monotherapy and combination cohorts: advanced/metastatic pancreatic cancer patients whose tumours have progressed after at least one prior line of standard chemotherapy.

    Patients enrolling into Part 2 (Phase 2a) of the study must also meet the following inclusion criteria:

  14. Advanced/metastatic pancreatic cancer patients whose tumours have progressed after one prior line of standard chemotherapy.

Exclusion

Patients enrolling into Part 1 (Phase 1), or Part 2 (Phase 2a) will be excluded if any of the following criteria apply:

  1. Patients who have known brain metastases will be excluded from the study. However, a patient may be included in the study, if has been previously treated for brain metastasis, the disease is well controlled for at least 3 months, and the patient is off steroids.
  2. Patients who have undergone a major surgery within 4 weeks prior to the start of PBP1510 administration, other than endoscopic/radiation procedures, bypass surgery (i.e., gastrojejunostomy), laparoscopy, port placement or a diagnostic surgery (i.e., surgery done to obtain a diagnostic biopsy, without removal of an organ), as long as the patient has recovered from these minor surgical procedures.
  3. Patients who have active, uncontrolled bacterial, viral, or fungal infection(s) requiring systemic therapy, e.g., an active opportunistic infection with mycobacteria, cytomegalovirus, toxoplasma, Pneumocystis carinii (P. carinii), or other microorganisms that is under treatment with myelotoxic drugs.
  4. Patient has a known history of human immunodeficiency virus (HIV; HIV 1/2 antibodies).
  5. Patient has known history of or currently active hepatitis B (e.g., hepatitis B antigen [HBsAg] reactive), hepatitis C (e.g., HCV RNA [qualitative] is detected) or syphilis [Venereal Disease Research Laboratory (VDRL) to detect antibodies in blood]).
  6. Patient has impaired cardiac function and uncontrolled cardiac diseases/hypertension that are deemed clinically significant by the Investigator and which could compromise the patient's safety or the study data integrity.
  7. Patient has serious psychiatric disorders, which could compromise the patient's safety or the study data integrity.
  8. Any other malignancy from which the patient has been disease-free for less than 5 years, except for adequately treated and cured basal or squamous cell skin cancer.
  9. Patients who are enrolled in any other therapeutic clinical trial.
  10. Patients currently receiving radiation therapy or those having received radiation within 4 weeks prior to study entry.
  11. Patients having received investigational anti-cancer drug within 28 days (or 5 half-lives, whichever is longer) preceding the first dose of PBP1510 or chemotherapy within the last 4 weeks prior to the first dose of PBP1510.
  12. Patients with known allergy or hypersensitivity to components of the PBP1510 formulation including the excipients and history of hypersensitivity to Chinese hamster ovary cell products or other recombinant human or humanized antibodies.
  13. Patients who are pregnant, or breast feeding.
  14. Patients who are unwilling or unable to comply with study procedures.
  15. Patients who are not eligible to participate in this study, as judged by Investigators.
  16. A history of allergic reactions attributed to gemcitabine or compounds of similar chemical composition to gemcitabine and/or previous treatment discontinuation due to gemcitabine toxicity.

Note: Patients with previous exposure to gemcitabine should not be excluded from the study.

Inclusion

  • Your cancer has spread to other parts of the body (metastatic) or has grown into nearby parts of the body (locally advanced).
  • Your cancer has not spread to other parts of the body (localised).
  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.
  • You have had a certain type of treatment or surgical procedure.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

Participating hospitals

Recruiting hospitals

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

Prestige Biopharma Limited

Scientific Title

A First in Human, Phase 1/2a, Multicentre, Open-label Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of PBP1510 in Patients with Advanced/Metastatic Pancreatic Cancer

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