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A Study of MUC16-Directed Antibody Drug Conjugate HWK-016 in Participants With Advanced Solid Tumors.

A Phase 1 First-in-Human Study of MUC16-Directed Antibody Drug Conjugate HWK-016 in Participants With Advanced Solid Tumors.

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07470853
Enrollment
265
Registered
2026-03-13
Start date
2026-03-15
Completion date
2028-02-01
Last updated
2026-08-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Endometrial Cancer, Platinum Resistant Ovarian Cancer, PROC

Keywords

Ovarian Cancer, Endometrial Cancer, PROC, Ovarian, Endometrial, ADC, Phase 1, Solid tumor

Brief summary

HWK-016-101 is a multicenter, open-label, first-in-human (FIH) Phase 1 study evaluating HWK-016, a targeted antibody-drug conjugate (ADC) in adult participants with advanced or metastatic solid tumors. The study employs a dose escalation and dose expansion design without a control group. The study consists of 2 parts (Part A: monotherapy and Part B: combination therapy with bevacizumab); each part has 2 phases, Phase 1a (dose escalation) and Phase 1b (dose expansion). Enrollment to Part A (Phase 1a and Phase 1b) will include ovarian and endometrial cancers. Enrollment to Part B (Phase 1a and Phase 1b) will include ovarian cancer only. A subsequent protocol amendment may evaluate additional tumor types.

Detailed description

HWK-016-101 is a Phase 1 study evaluating HWK-016, a mucin-16 (MUC-16) targeted antibody-drug conjugate (ADC) in adult participants with advanced or metastatic solid tumors.

Interventions

DRUGHWK-016, MUCIN-16-targeted ADC

HWK-016 is a MUCIN-16-targeted Antibody-Drug-Conjugate (ADC) being developed for the treatment of solid tumors.

DRUGBevacizumab

Bevacizumab administered according to the USPI in 21-day cycles

Sponsors

Whitehawk Therapeutics, Inc.
Lead SponsorINDUSTRY
Catalyst Pharmaceutical Research
CollaboratorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Dose escalation will use a BOIN design.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have one of the following solid tumor cancers: 1. Monotherapy escalation, backfill and expansion cohorts: 1. Endometrial Carcinoma 2. Ovarian Cancer 2. Combination Escalation, Backfill and Expansion Cohorts a. Ovarian Cancer

Exclusion criteria

1. Individual with known or suspected uncontrolled central nervous system (CNS) metastases 2. Individual with history of carcinomatous meningitis 3. Individual with active uncontrolled systemic bacterial, viral, fungal, or parasitic infection 4. Individual with evidence of corneal keratopathy or history of cornea transplant 5. Any serious unresolved toxicities from prior therapy 6. Significant cardiovascular disease 7. Prolongation of QT interval corrected for heart rate using Fridericia's formula (QTcF) ≥ 470 milliseconds (ms) 8. History of pneumonitis/interstitial lung disease 9. Individuals who are pregnant, breastfeeding or plan to breastfeed during study or within 30 days of last dose of study intervention

Design outcomes

Primary

MeasureTime frameDescription
Determine Maximum Administered Dose (MAD)From Cycle 1, Day 1 to Cycle 1, Day 21 (21-day cycles) until the MTD is reached.Determine the highest dose of HWK-016 administered during the dose escalation part of the study, measured at the end of Cycle 1 (21-day cycle) by: Incidence and severity of Adverse Events (AE). Incidence of Dose-Limiting Toxicities (DLT). Incidence of Serious Adverse Events (SAE). Evaluate the safety and tolerability of HWK-016 at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer
Determine Recommended Dose For Expansion (RDE)From Cycle 1, Day 1 to Cycle 1, Day 21 (21-day cycle) until MTD is identified.Determine the dose of HWK-016 that will be recommended for further study within the tumor types studied in this clinical trial, measured at the end of Cycle 1, Day 21 (21-day cycle) by: Incidence and severity of Adverse Events (AE). Incidence of Dose-Limiting Toxicities (DLT). Incidence of Serious Adverse Events (SAE). Evaluate the safety and tolerability of HWK-016 at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer.
Determine Maximum Tolerated Dose (MTD)From Cycle 1, Day 1 Until Cycle 1, Day 21 (21-day cycles)Determine the highest dose of HWK-016 that can be administered without signs of toxicity, measured at the end of Cycle 1(21-day cycle) by: Incidence and severity of Adverse Events (AE). Incidence of Dose-Limiting Toxicities (DLT). Incidence of Serious Adverse Events (SAE). Evaluate the safety and tolerability of HWK-016 at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer

Secondary

MeasureTime frameDescription
Characterize the Volume of Distribution (Vd) of HWK-016 (ADC, total antibody, CPT116, and CPT119)Cycle 1 and Cycle 4 (21-day cycles)Pharmacokinetic analysis of HWK-016 in human subjects
Maximum Concentration - Cmax of HWK-016 (ADC, total antibody, CPT116, and CPT119)At Cycle 1 and Cycle 4 - (21-day cycles)Maximum amount of study drug and drug components in blood following infusion.
Time to Maximum Concentration (Tmax) of HWK-016 (ADC, total antibody, CPT116, and CPT119)Cycle 1 and Cycle 4 - (21-day cycles)Time to reach maximum concentration of drug and drug components in blood following infusion.
Area Under the Concentration Time Curve (AUC) for HWK-016 (ADC, total antibody, CPT116, and CPT119)Cycle 1 and Cycle 4 - (21-day cyclesThe total area under the concentration time curve of study drug and drug components following infusion
Evaluate the Overall Response Rate (ORRFrom Cycle 1, Day 1 (21-day cycles), every 6-weeks for the first 4 assessments and then every 6 weeks for up to 24 months until disease progression or 24 months, whichever comes first.Measure the response rate to the study drug by CT-scans evaluated using RECIST1.1. Evaluate preliminary antitumor activity of HWK-016 at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer by RECIST Version 1.1
Evaluate Overall Survival (OS).From Cycle 1, Day 1 (21-day cycles) until death or 24 months, whichever comes first.Measure how long a patient lives following treatment with HWK-016. Evaluate the Overall Survival at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer
Evaluate the Duration of Response (DoR) to HWK-016From Cycle 1, Day 1 (21-day cycles) until disease progression or 24 months, whichever comes first.Measure the time from evidence of response by CT-scan until evidence of progression of cancer. Evaluate the Duration of Response at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer
Evaluate Progression-free Survival (PFS)From Cycle 1, Day 1 (21-day cycles) infusion to End of Study (up to 24 months)Measure the time from the first infusion of HWK-007 until evidence of cancer progression is detected. Evaluate the Progression Free Survival at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer
Evaluate Disease control Rate (DCR)From Cycle 1, Day 1 (21-day cycles) infusion to End of Study (up to 24 monthsMeasure the time from Cycle 1, Day 1 that cancer does not worsen by RECIST1.1 criteria. Evaluate the Disease Control Rate at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer
T1/2 - Half-life of HWK-016 (ADC, total antibody, CPT116, and CPT119)Cycle 1 and Cycle 4 - (21-day cycles)Time for 1/2 of the infused drug to be eliminated/metabolized
Time to Response (TTR)From Cycle 1, Day 1 (21-day cycles) until End of Study or 24 months, whichever comes firstTime from Cycle 1, Day 1 infusion of HWK-016 until evidence of response via CT scan according to RECIST1.1 criteria. Evaluate the Time to Response at the selected RDE(s) determined from Phase 1a, as monotherapy (Part A) in participants with ovarian and endometrial cancers and in combination therapy with bevacizumab (Part B) in participants with ovarian cancer
Clearance (CL)Cycle 1 and Cycle 4 (21-day cycles)Measured rate at which HWK-016 is cleared from the blood following infusion.
Assess ADA (Anti drug antibody) against HWK-016Every cycle from Cycle 1, Day 1 (21-day cycles) until 30 days past the last dose of study drug for up to 24 months.Using a blood test, determine the risk of developing anti-drug antibodies against HWK-016 following infusion in human patients.

Countries

United States

Contacts

CONTACTClinical Trial Manager Lead
WHWK-Clinical-Trials@whitehawktx.com866-742-9495
CONTACTCentral email mailbox - Whitehawk Therapeutics
WHWK-Clinical-Trials@whitehawktx.com
STUDY_DIRECTORMargaret C Dugan, MD

Whitehawk Therapeutics

STUDY_DIRECTORAllison Uppalawanna

Whitehawk Therapeutics

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 19, 2026