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Advanced TumorPhase 1/2NCT05839106

Phase I/IIa Study for PM1032 in the Treatment of Patients With Advanced Solid Tumors

A Phase 1/2 study testing PM1032 injection in people with Advanced Tumor, run by Biotheus Inc. at 3 sites in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The study is being conducted to evaluate safety, tolerability, pharmacokinetics and preliminary efficacy of PM1032 for patients with advanced tumors, also to explore the recommended Phase Ⅱ Dose(RP2D) of PM1032. Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Advanced Tumor
What is being tested?
PM1032 injection
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
200 participants
Where
3 sitesChina
Study dates
8 Jul 2022to 31 Dec 2025
Phase
Phase 1/2
Are there results?
None posted in the registry

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 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Voluntary participation in clinical study; fully understand the study and sign informed consent voluntarily;
  • Male or female aged 18 to 75 years;
  • Subjects with malignant tumor confirmed by histology or cytology, subjects with advanced malignant solid tumors who have no standard treatment, have failed standard treatment or are not eligible for standard treatment:
  • Phase I dose escalation stage: gastric/gastroesophageal junction adenocarcinoma, esophageal cancer, etc.;
  • Phase I dose expansion stage, phase IIa dose expansion stage: gastric/gastroesophageal junction adenocarcinoma, esophageal cancer, other tumors; CLDN18.2-positive tumor expression as determined by the CLDN18.2 IHC assay in central laboratory.
  • Adequate organ function;
  • ECOG score was 0-1;
  • Expected survival≥12 weeks;

Who cannot join

  • History of severe allergic, severe allergy to drugs or known allergy to any component of the drug in this study;
  • Previous exposure to immune co-stimulatory molecule agonists such as 4-1BB mono/bispecific antibodies, etc;
  • Patients who received CLDN18.2-targeted mono/bispecific antibodies or cell therapy;
  • Cerebral parenchymal metastasis or meningeal metastasis with clinical symptoms were deemed unsuitable for this study by the investigator;
  • Current definite interstitial lung disease or non-infectious pneumonitis, except for local radiotherapy;
  • Current presence of uncontrolled pleural, pericardial, and peritoneal effusions;
Show all 16Show fewer
  • Adverse reactions to previous anti-tumor therapy have not recovered to NCI-CTCAE V5.0 rating≤1;
  • Patients ever received the following treatments or drugs prior to the study treatment:
  • Major organ surgery within 28 days prior to initiation of trial treatment or requiring elective surgery during the trial period;
  • Received live attenuated vaccine within 28 days prior to the study treatment;
  • Received chemotherapy, radical/extensive radiation, biotherapy, endocrine therapy and other anti-tumor drug therapy within 4 weeks of the first administration;
  • Received systemic glucocorticoid or other immunosuppressive therapy within 2 weeks before the trial treatment;
  • Active bleeding within 3 months of the first administration;
  • History of allogeneic hematopoietic stem cell transplantation or allogeneic organ transplantation;
  • Pregnant or lactating women;
  • Other conditions considered unsuitable for this study by the investigator.

Trial locations and contacts

3 sites in 1 country.

China3 sites, 3 recruiting
  • Shulan (Hang Zhou) Hospital

    Hangzhou

    Lihua Wu, lihuawu73@163.com

    Recruiting
  • The first affiliated hospital of nanchang university

    Nanchang

    Yong Li, liyongcsco@qq.com

    Recruiting
  • Shanghai Orient Hospital

    Shanghai

    Ye Guo, pattrickguo@gmail.com

    Recruiting

Other trials in China

About this study

Official title: A Phase I/IIa Study to Evaluate the Tolerance, Safety, Pharmacokinetic Characteristics and Preliminary Efficacy of PM1032 in Patients With Advanced Solid Tumors

The study is being conducted to evaluate safety, tolerability, pharmacokinetics and preliminary efficacy of PM1032 for patients with advanced tumors, also to explore the recommended Phase Ⅱ Dose(RP2D) of PM1032.

Read the detailed description

PM1032 is a Bispecific Antibody Targeting CLDN18.2 and 4-1BB.

Conditions
Advanced Tumor
Being tested
PM1032 injection
Keywords
CLDN 18.2, 4-1BB

What participants receive

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

  • PM1032 injectionDrug

    Also called PM1032

    Subjects will receive PM1032 by intravenous administration.

Study groups in NCT05839106
Study groupRoleWhat they receive
PM1032 monotherapyExperimentalPM1032 0.3mg/kg-12mg/kg
Receives: Drug: PM1032 injection

What is being measured

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

  1. Dose Limited Toxicity(DLT)

    Occurrence of DLT after receiving PM1032 injection

    Measured: up to 21 days

  2. Assess the incidence and severity of treatment-related adverse events

    The incidence and severity of treatment-emergent adverse events (TEAEs) and treatment related adverse events (TRAEs) graded according to NCI-CTCAE v5.0

    Measured: Up to 30 days after last treatment

Timeline

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

  1. First posted3 May 2023
  2. Study start8 Jul 2022
  3. Primary completion10 Apr 2025 (estimated)
  4. Study completion31 Dec 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Sequential
Model description
In dose escalation stage, three subjects will be enrolled at the protocol starting dose of PM1032 for 21 Days DLT observation, followed by same dose every 2 weeks (Q2W) until they meet the discontinuation criteria. Dose escalation will proceed to the next dose level according to the 3+3 design. Dose expansion stage of the study will be initiated at the Sponsor's discretion at the dose level and treatment schedule which was established as the recommended Phase 2 dose (RP2D) in the dose escalation stage.
Masking
None (open label)
Enrolment
200 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05839106
Sponsor's protocol ID
PM1032-AB001M-ST-R
Status last verified
May 2023
First submitted
20 Apr 2023
Last updated
6 May 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: The data will be published or presented for publications (poster, abstract, articles or papers) or maked any presentations.

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing PM1032 injection in people with Advanced Tumor, run by Biotheus Inc. at 3 sites in China.

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 8 inclusion and 16 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: status not confirmed, as of the sponsor's last update on 6 May 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in China. 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.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

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

Contact Xiying Dong (+86 13867126972, dong.xy@biotheus.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Dose Limited Toxicity(DLT) (time frame: up to 21 days). The study lists 2 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 6 May 2023.

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