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NCT03573544

This Study is to Evaluate Safe and Effective Treatment Dose of OBI-888 in Patients With Locally Advanced or Metastatic Solid Tumors.

Terminated Phase 1, PHASE2 Results posted Last updated 22 February 2024
What this trial tests

Phase 1, PHASE2 trial testing OBI-888 in Metastatic Solid Tumors in 54 participants. Terminated before completion.

Timeline
7 May 2018
Primary endpoint
7 April 2022
7 April 2022

Quick facts

Lead sponsorOBI Pharma, Inc
PhasePhase 1, PHASE2
StatusTerminated
Study typeINTERVENTIONAL
Allocationnon randomized
Designsequential
Maskingnone
Primary purposetreatment
Enrollment54
Start date7 May 2018
Primary completion7 April 2022
Estimated completion7 April 2022
Sites9 locations across Taiwan, United States

Drugs / interventions tested

Conditions studied

Sponsor

OBI Pharma, Inc — full company profile →

Who can join

18 and older, any sex, with Metastatic Solid Tumors or Locally Advanced Solid Tumors. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Clinical Benefit Rate (CR, PR, SD) (%) Primary · Every 8 weeks (±1 week) for 6 months, then every 12 weeks (±1 week) until progression or off-study criteria, up to 1 year.

Assessment of OBI-888 clinical benefit rate for dose escalation and cohort expansion phases of the OBI-888-001 study.

GroupValue95% CI
Part A, Dose Escalation - OBI-888 5 mg/kg200.5 – 71.6
Part A, Dose Escalation - OBI-888 10 mg/kg66.79.4 – 99.2
Part A, Dose Escalation - OBI-888 20 mg/kg16.70.4 – 64.1
Part B, Cohort Expansion - Cohort 1, Pancreatic12.50.3 – 52.7
Part B, Cohort Expansion - Cohort 2, Esophageal14.30.4 – 57.9
Part B, Cohort Expansion - Cohort 3, Gastric253.2 – 65.1
Part B, Cohort Expansion - Cohort 4, Colorectal22.22.8 – 60.0
Part B, Cohort Expansion - Cohort 5, Basket253.2 – 65.1

Adverse events — posted to ClinicalTrials.gov

Time frame: Adverse event data were collected through 12 months. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Part A, Dose Escalation - OBI-888 5 mg/kg
Serious: 1/5 (20%)
Deaths: 0/5
Part A, Dose Escalation - OBI-888 10 mg/kg
Serious: 1/3 (33%)
Deaths: 0/3
Part A, Dose Escalation - OBI-888 20 mg/kg
Serious: 0/6 (0%)
Deaths: 0/6
Part B, Cohort Expansion - Cohort 1, Pancreatic
Serious: 8/8 (100%)
Deaths: 1/8
Part B, Cohort Expansion - Cohort 2, Esophageal
Serious: 2/7 (29%)
Deaths: 0/7
Part B, Cohort Expansion - Cohort 3, Gastric
Serious: 5/8 (63%)
Deaths: 0/8
Part B, Cohort Expansion - Cohort 4, Colorectal
Serious: 5/9 (56%)
Deaths: 1/9
Part B, Cohort Expansion - Cohort 5, Basket
Serious: 2/8 (25%)
Deaths: 0/8

Serious adverse events (31 terms)

ReactionSystemPart A, Dose Escalation - …Part A, Dose Escalation - …Part A, Dose Escalation - …Part B, Cohort Expansion -…Part B, Cohort Expansion -…Part B, Cohort Expansion -…Part B, Cohort Expansion -…Part B, Cohort Expansion -…
Gastrointestinal haemorrhageGastrointestinal disorders
Acute kidney injuryRenal and urinary disorders
AnaemiaBlood and lymphatic system disorders
Supraventricular tachycardiaCardiac disorders
Abdominal painGastrointestinal disorders
Gastric ulcerGastrointestinal disorders
HaematemesisGastrointestinal disorders
Intestinal obstructionGastrointestinal disorders
NauseaGastrointestinal disorders
Oesophageal ruptureGastrointestinal disorders
Upper gastrointestinal haemorrhageGastrointestinal disorders
VomitingGastrointestinal disorders
FatigueGeneral disorders
CholangitisHepatobiliary disorders
JaundiceHepatobiliary disorders
BacteremiaInfections and infestations
Biliary tract infectionInfections and infestations
CellulitisInfections and infestations
PneumoniaInfections and infestations
SepsisInfections and infestations
FallInjury, poisoning and procedural complications
Infusion related reactionInjury, poisoning and procedural complications
Blood bilirubin increasedInvestigations
Blood creatinine increasedInvestigations
Failure to thriveMetabolism and nutrition disorders
Other adverse events (32 terms — click to expand)

ReactionSystemPart A, Dose Escalation - …Part A, Dose Escalation - …Part A, Dose Escalation - …Part B, Cohort Expansion -…Part B, Cohort Expansion -…Part B, Cohort Expansion -…Part B, Cohort Expansion -…Part B, Cohort Expansion -…
FatigueGeneral disorders
VomitingGastrointestinal disorders
NauseaGastrointestinal disorders
Abdominal painGastrointestinal disorders
DiarrhoeaGastrointestinal disorders
PyrexiaGeneral disorders
Decreased appetiteMetabolism and nutrition disorders
HyperkalaemiaMetabolism and nutrition disorders
DyspnoeaRespiratory, thoracic and mediastinal disorders
Aspartate aminotransferase increasedInvestigations
HeadacheNervous system disorders
ConstipationGastrointestinal disorders
ChillsGeneral disorders
AstheniaGeneral disorders
HypokalaemiaMetabolism and nutrition disorders
HyponatremiaMetabolism and nutrition disorders
CoughRespiratory, thoracic and mediastinal disorders
Back painMusculoskeletal and connective tissue disorders
Blood bilirubin increasedInvestigations
AnaemiaBlood and lymphatic system disorders
LeukocytosisBlood and lymphatic system disorders
DizzinessNervous system disorders
Acute kidney injuryRenal and urinary disorders
HydronephrosisRenal and urinary disorders
Infusion related reactionInjury, poisoning and procedural complications
Oedema peripheralGeneral disorders
Peripheral swellingGeneral disorders
Pleural effusionRespiratory, thoracic and mediastinal disorders
ArthralgiaMusculoskeletal and connective tissue disorders
Muscular weaknessMusculoskeletal and connective tissue disorders
Blood creatinine increasedInvestigations
Renal failureRenal and urinary disorders

Most-reported serious reactions: Gastrointestinal haemorrhage, Acute kidney injury, Anaemia, Supraventricular tachycardia, Abdominal pain, Gastric ulcer, Haematemesis, Intestinal obstruction.

Data from ClinicalTrials.gov NCT03573544 adverse events section.

Sponsor's own description

The purpose of this study is to establish the maximum tolerated dose (MTD) of OBI-888 as monotherapy. And to characterize the safety and preliminary clinical activity profile of the MTD dose of OBI-888 administered as monotherapy in patients with locally advanced or metastatic solid tumors.

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. The clinical impact of glycobiology: targeting selectins, Siglecs and mammalian glycans.
    Smith BAH, Bertozzi CR. · · 2021 · cited 380× · PMID 33462432 · DOI 10.1038/s41573-020-00093-1
  2. Influence of the Tumor Microenvironment on NK Cell Function in Solid Tumors.
    Melaiu O, Lucarini V, Cifaldi L, Fruci D. · · 2019 · cited 324× · PMID 32038612 · DOI 10.3389/fimmu.2019.03038
  3. Glycosylation: mechanisms, biological functions and clinical implications.
    He M, Zhou X, Wang X. · · 2024 · cited 248× · PMID 39098853 · DOI 10.1038/s41392-024-01886-1
  4. Targeting Tumor Glycans for Cancer Therapy: Successes, Limitations, and Perspectives.
    Berois N, Pittini A, Osinaga E. · · 2022 · cited 96× · PMID 35158915 · DOI 10.3390/cancers14030645
  5. Anti-glycan monoclonal antibodies: Basic research and clinical applications.
    Gillmann KM, Temme JS, Marglous S, Brown CE, et al · · 2023 · cited 25× · PMID 36905763 · DOI 10.1016/j.cbpa.2023.102281
  6. Smaller size packs a stronger punch - Recent advances in small antibody fragments targeting tumour-associated carbohydrate antigens.
    Khilji SK, Op 't Hoog C, Warschkau D, Lühle J, et al · · 2023 · cited 9× · PMID 37284439 · DOI 10.7150/thno.80901
  7. Mechanism of Antigen Presentation and Specificity of Antibody Cross-Reactivity Elicited by an Oligosaccharide-Conjugate Cancer Vaccine.
    Wang SW, Ko YA, Chen CY, Liao KS, et al · · 2023 · cited 8× · PMID 37089019 · DOI 10.1021/jacs.3c02003
  8. Glycan diversity in ovarian cancer: Unraveling the immune interplay and therapeutic prospects.
    Wolters-Eisfeld G, Oliveira-Ferrer L. · · 2024 · cited 7× · PMID 39432076 · DOI 10.1007/s00281-024-01025-6

Verify or expand the search:

Other recruiting trials for Metastatic Solid Tumors

Currently open trials in the same condition.

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Trials by the same sponsor.

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Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03573544.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing