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Study details
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A Phase 1 Trial of OKN4395 and Pembrolizumab

Epkin
NCT IDNCT06789172ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

166

Study length

about 3.7 years

Ages

18+

Locations

3 sites in CA, TX

About this study

This trial is testing a new treatment called OKN4395, given alone or with pembrolizumab, in people with solid tumors. The goal is to see if the treatment is safe and how it works in the body. This will involve different doses of OKN4395 administered over 1346 days.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Fasting
  • 2.Fed
  • 3.Take H2 Receptor Antagonist
  • +2 more
PhasePhase 1
DrugPembrolizumab
Routeinfusion
Primary goalIncidence and severity of SAEs in participants treated with OKN4395 as a monotherapy and in combination with pembrolizumab in solid tumors. (Phase 1a)

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low15%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Drug classes

pembrolizumab (Immune checkpoint inhibitor; blocks PD-1 to boost T-cell attack on cancer)

Drug routes

infusion

Endpoints

Primary: Incidence and severity of SAEs in participants treated with OKN4395 as a monotherapy and in combination with pembrolizumab in solid tumors. (Phase 1a), Incidence and severity of TEAEs in participants treated with OKN4395 as a monotherapy and in combination with pembrolizumab in solid tumors. (Phase 1a), To assess the overall response rate in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1b)

Secondary: Incidence and severity of SAEs in participants treated with OKN4395 as a monotherapy and in combination with pembrolizumab in solid tumors. (Phase 1b), Incidence and severity of TEAEs in participants treated with OKN4395 as a monotherapy and in combination with pembrolizumab in solid tumors. (Phase 1b), To assess the disease control rate at >=12 weeks in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1a), To assess the disease control rate at >=12 weeks in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1b), To assess the duration of response in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1a), To assess the duration of response in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1b), To assess the overall response rate in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1a), To assess the overall survival rate at 24 weeks in participants treated with OKN4395 as monotherapy and in combination with pembrolizumab in selected cancer types. (Phase 1a)

Body systems

Oncology