A Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of SSGJ-705 Monotherapy in Patients with Advanced Malignant Tumors

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18-75
SponsorSunshine Guojian Pharmaceutical (Shanghai) Co., Ltd.

About this trial

This study was an open-label phase I study to evaluate the safety, tolerability, PK profile and potential efficacy of SSGJ-705 as a single agent in patients with advanced malignancies.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Males and/or females over age 18

Histologically and/or cytologically documented local advanced or recurrent or metastatic malignancies

Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.

Expected survival >3 months.

Disqualifiers

Any remaining AEs > grade 1 from prior anti-tumor treatment as per CTCAE v5. 0, with exception of hair loss, fatigue, and grade 2 peripheral neurotoxicity.

Pregnant or nursing women or women/men who are ready to give birth

Symptomatic central nervous system metastasis.

Allergy to other antibody drugs or any excipients in the study drugs.

Trial design

Design model

Single group

Treatments tested in this trial

  • SSGJ-705

    Drug

    anti-PD-1 and anti-HER2 bispecific antibody

Treatment groups

180 Participants
are divided into 4 treatment groups
Group A: Part 1Experimental treatment 1 intervention
Group B: Part 2Experimental treatment 1 intervention
Group C: Part 3Experimental treatment 1 intervention
Group D: Part 4Experimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

DLTs

Dose limiting toxicity

Time frame
14 days
2

AE

Safety and tolerability assessed by incidence and severity of adverse events

Time frame
up to 1 year
3

MTD or MAD

maximum tolerated dose or the maximum administered dose if MTD is not reached

Time frame
up to 1 year
4

RP2D

the recommended phase II dose

Time frame
up to 1 year

Secondary outcomes

1

ORR

Objective response rate

Time frame
up to 1 year
2

PFS

Progression-free Survival

Time frame
up to 1 year
3

Cmax

Maximum Plasma Concentration

Time frame
up to 1 year
4

T1/2

Half-life

Time frame
up to 1 year

Other outcomes

Sponsors and contacts

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