SRF388 + Pembrolizumab for Cancer

No longer recruiting at 26 trial locations
BB
HO
CO
Overseen ByClinical Operations Team
Age: 18+
Sex: Any
Trial Phase: Phase 1
Sponsor: Coherus Biosciences, Inc.
Must be taking: VEGF-targeted agents
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests a new treatment called SRF388, a monoclonal antibody designed to help people with advanced solid tumors, including certain types of lung, liver, and kidney cancer. The trial will assess the safety and effectiveness of SRF388 both alone and in combination with other cancer-fighting drugs, such as Pembrolizumab (also known as KEYTRUDA). Potential participants should have these types of cancers that have not responded to other treatments. As a Phase 1 trial, participants will be among the first to receive this new treatment, aiding researchers in understanding its effects in people.

Will I have to stop taking my current medications?

The trial information does not specify whether you need to stop taking your current medications. It's best to discuss your specific situation with the study team or your doctor.

Is there any evidence suggesting that this trial's treatments are likely to be safe?

Research has shown that SRF388, when used alone, is generally safe. In studies with advanced solid tumors, patients usually tolerated it well. No serious side effects were directly linked to SRF388, although some experienced mild issues like tiredness and nausea.

When combined with pembrolizumab, SRF388 also appeared safe. Patients with liver cancer showed positive responses and manageable side effects. The combination was generally well-tolerated, with similar mild side effects as when SRF388 was used alone.

These findings suggest that both treatments are safe. However, since the study remains in its early stages, the primary goal is to further confirm these safety results.12345

Why are researchers excited about this trial's treatments?

Researchers are excited about SRF388 because it offers a fresh approach to treating cancers like renal cell carcinoma (RCC), hepatocellular carcinoma (HCC), and non-small cell lung cancer (NSCLC). Unlike standard treatments that often target surface proteins or specific cancer pathways, SRF388 works by inhibiting IL-27, a cytokine that can suppress the immune system's ability to fight cancer. The combination of SRF388 with pembrolizumab or toripalimab, which are immune checkpoint inhibitors, could enhance the immune response against tumors that have become resistant to traditional therapies. This novel mechanism of action and potential for synergy with existing immunotherapies has researchers hopeful for improved outcomes in patients with advanced cancers.

What evidence suggests that this trial's treatments could be effective for cancer?

Research has shown that SRF388, a monoclonal antibody, can help treat solid tumors by blocking a protein called IL-27. In earlier studies, SRF388 proved effective for patients with non-small cell lung cancer (NSCLC) and other solid tumors. This trial includes a treatment arm where participants receive SRF388 combined with pembrolizumab, a well-known cancer treatment. This combination may further enhance the body's immune response. Early results suggest that this combination could be effective for patients with certain advanced cancers.12356

Who Is on the Research Team?

KI

Koho Iizuka, MD

Principal Investigator

Coherus BioSciences

Are You a Good Fit for This Trial?

Adults with advanced solid tumors, including specific types of lung, liver, and kidney cancer. Participants must have progressed after standard therapy and meet certain health criteria like stable organ function and blood counts. They should not have had major surgery recently or severe allergies to monoclonal antibodies.

Inclusion Criteria

My lung cancer is at an advanced stage and has been confirmed by tests.
My liver cancer is moderately severe, but my liver is still functioning well.
You must have at least one tumor that can be measured using specific guidelines.
See 30 more

Exclusion Criteria

I've had more than 4 treatments for my cancer that can't be removed by surgery, but I didn't stop PD-(L)1 inhibitors due to severe side effects.
I have been treated with anti-IL-27 therapy before.
I have not had major surgery in the last 4 weeks.
See 16 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Dose Escalation

CHS-388 monotherapy dose-escalation portion to evaluate safety, tolerability, PK, pharmacodynamics, and preliminary efficacy

Up to 24 months

Monotherapy Expansion

CHS-388 monotherapy expansion to evaluate safety, efficacy, tolerability, PK, and pharmacodynamics in specific cohorts

Up to 24 months

Combination Therapy with Pembrolizumab

Evaluation of safety, preliminary efficacy, tolerability, and PK of CHS-388 in combination with pembrolizumab

Up to 24 months

Combination Therapy with Toripalimab

Evaluation of safety, preliminary efficacy, tolerability, and PK of CHS-388 in combination with toripalimab

Up to 24 months

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • Pembrolizumab
  • SRF388
Trial Overview The trial is testing SRF388 alone or with Pembrolizumab in patients with various advanced cancers. It's a first-in-human study to see how well these treatments work and what the best doses might be.
How Is the Trial Designed?
4Treatment groups
Experimental Treatment
Group I: Part D CHS-388 in Combination with ToripalimabExperimental Treatment2 Interventions
Group II: Part C CHS-388 in Combination with PembrolizumabExperimental Treatment2 Interventions
Group III: Part B CHS-388 Monotherapy ExpansionExperimental Treatment1 Intervention
Group IV: Part A Monotherapy Dose EscalationExperimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Coherus Biosciences, Inc.

Lead Sponsor

Trials
19
Recruited
3,700+

Coherus Oncology, Inc.

Lead Sponsor

Surface Oncology

Lead Sponsor

Trials
6
Recruited
730+

Merck Sharp & Dohme LLC

Industry Sponsor

Trials
4,096
Recruited
5,232,000+
Chirfi Guindo profile image

Chirfi Guindo

Merck Sharp & Dohme LLC

Chief Marketing Officer since 2022

Degree in Engineering from Ecole Centrale de Paris, MBA from New York University Stern School of Business

Robert M. Davis profile image

Robert M. Davis

Merck Sharp & Dohme LLC

Chief Executive Officer since 2021

JD from Northwestern University Pritzker School of Law, MBA from Northwestern University Kellogg Graduate School of Management, Bachelor's in Finance from Miami University

Merck Sharpe & Dohme Corp.

Collaborator

Trials
1
Recruited
260+

Published Research Related to This Trial

In a study of 655 patients with advanced melanoma, pembrolizumab showed a 5-year overall survival rate of 34%, with even better outcomes (41%) for treatment-naive patients, indicating its long-term efficacy.
The treatment was generally well-tolerated, with 86% of patients experiencing treatment-related adverse events, but only 7.8% discontinued due to these effects, suggesting a manageable safety profile.
Five-year survival outcomes for patients with advanced melanoma treated with pembrolizumab in KEYNOTE-001.Hamid, O., Robert, C., Daud, A., et al.[2023]
In a study of 100 patients with non-small cell lung cancer (NSCLC) treated with pembrolizumab, further stratification of PD-L1 tumor proportion score (TPS) beyond 50% did not significantly affect progression-free survival (PFS).
Smoking status was associated with improved PFS, while prior radiotherapy was linked to decreased PFS, indicating that these factors, along with performance status, may serve as important biomarkers for predicting response to pembrolizumab treatment.
Pembrolizumab monotherapy for non-small cell lung cancer (NSCLC): can patient stratification be improved in the UK Tayside population? A retrospective cohort study.Mander, ES., Merrick, CB., Nicholson, HA., et al.[2023]
In a real-life study of 108 patients with advanced non-small cell lung cancer (NSCLC) and a PD-L1 tumor proportion score of ≥50%, pembrolizumab showed a median progression-free survival of 10.1 months, similar to results from the KEYNOTE-024 trial.
The treatment was generally well-tolerated, with only 8% of patients experiencing grade 3 adverse events, and no severe (grade 4 or 5) adverse events reported, indicating a favorable safety profile.
First-line pembrolizumab for non-small cell lung cancer patients with PD-L1 ≥50% in a multicenter real-life cohort: The PEMBREIZH study.Amrane, K., Geier, M., Corre, R., et al.[2021]

Citations

NCT04374877 | Study of CHS-388 (Formerly Known as ...Part D will evaluate the safety, preliminary efficacy, tolerability, and PK of CHS-388 in combination with toripalimab in patients with advanced NSCLC. Official ...
Casdozokitug (casdozo, CHS-388), a first-in-class IL-27 ...Data cut as of 21 Sep 2023, subject to change. TEAE defined as an AE that emerges or worsens in the period from the first dose of casdozo to 30 days after the ...
Results of a phase 1 study of SRF388, a first-in-human ...Results of a phase 1 study of SRF388, a first-in-human, first-in-class, high-affinity anti-IL-27 antibody in advanced solid tumors. ... Updated data ...
Study of CHS-388 (Formerly Known as SRF388) in ...'These data further support the growing body of preclinical evidence demonstrating that SRF388 binds to and blocks IL-27 to inhibit downstream signaling events ...
Results from a phase 2 study of triplet blockade of the IL-27 ...This open-label Ph 2 trial examined the potential antitumor activity and safety of casdozo with PD-L1 and VEGF blockade in uHCC.
First-in-human study of SRF388, a first-in-class IL-27 ...A phase 1 study was conducted to establish the preliminary safety of SRF388 and to identify recommended phase 2 doses (RP2D) suitable for ...
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