Phase 2
Completed N=195
Tisotumab Vedotin (HuMax®-TF-ADC) Safety Study in Patients With Solid Tumors
Source: ClinicalTrials.gov NCT02001623 ↗Enrolled (actual)
195
Serious AEs
44.1%
Results posted
Dec 2021
Primary outcomePrimary: Dose Escalation Part: Evaluation of Treatment-Emergent Adverse Events — 3; 3; 3; 3 Participants
Summary
The purpose of the trial is to establish the tolerability of HuMax-TF-ADC in a mixed population of patients with specified solid tumors.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Dose Escalation Part: Evaluation of Treatment-Emergent Adverse Events |
3; 3; 3; 3; 3; 3 | — |
| PRIMARY Dose Expansion Part: Evaluation of Treatment-Emergent Adverse Events |
15; 55; 14; 15; 15; 36 | — |
| SECONDARY Dose Escalation and Expansion Part: Number of Participants With Markedly Abnormal Hematology Values |
2; 1; 1; 0; 2; 2 | — |
| SECONDARY Dose Escalation and Expansion Parts: Number of Participants With Markedly Abnormal Coagulation Values |
0; 0; 0; 0; 0; 0 | — |
| SECONDARY Dose Escalation and Expansion Part: Number of Participants With Markedly Abnormal Biochemistry Values |
2; 1; 3; 0; 1; 0 | — |
| SECONDARY Dose Escalation and Expansion Parts: Number of Participants Who Experienced a Skin Rash |
1; 0; 0; 2; 0; 2 | — |
| SECONDARY Dose Escalation and Expansion Parts: Number of Participants Who Experienced a Bleeding Event of Special Interest |
0; 1; 0; 3; 3; 3 | — |
| SECONDARY Dose Escalation and Expansion Part: Number of Participants Who Experienced a Peripheral Neuropathy Event |
0; 1; 1; 1; 0; 1 | — |
| SECONDARY Dose Escalation Part: Clearance of Tisotumab Vedotin and Total HuMax-TF |
1.61; 1.46; 1.07; 1.84; 1.17; 1.56 | — |
| SECONDARY Dose Escalation Part: Volume of Distribution of Tisotumab Vedotin and Total HuMax-TF |
68.40; 70.80; 63.46; 86.10; 81.13; 92.04 | — |
| SECONDARY Dose Escalation and Expansion Part: Area Under the Curve From Time Zero to the Last Measurable Concentration (AUC0-t) of Tisotumab Vedotin and Total HuMax-TF |
2.5; 15.4; 25.1; 45.2; 33.1; 63.0 | — |
| SECONDARY Dose Escalation Part: Area Under the Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of Tisotumab Vedotin and Total HuMax-TF |
15.57; 25.77; 46.68; 33.95; 63.88; 53.47 | — |
| SECONDARY Dose Escalation and Expansion Part: Maximum Observed Plasma Concentration (Cmax) of Tisotumab Vedotin and Total HuMax-TF |
4.78; 12.20; 19.81; 34.67; 23.12; 35.42 | — |
| SECONDARY Dose Escalation and Expansion Part: Time of Cmax (Tmax) of Tisotumab Vedotin and Total HuMax-TF |
1.47; 1.18; 1.34; 1.15; 1.12; 1.18 | — |
| SECONDARY Dose Escalation Part: Half-life (t1/2) of Tisotumab Vedotin and Total HuMax-TF |
12.22; 29.53; 33.72; 41.06; 32.42; 47.89 | — |
| SECONDARY Dose Escalation and Expansion Part: AUC0-t of Free Monomethyl Auristatin E (MMAE) |
6.20; 12.61; 12.22; 11.63; 26.55; 22.55 | — |
| SECONDARY Dose Escalation Part: AUC0-inf of Free MMAE |
12.63; 13.93; 16.32; 20.39; 27.08; 25.29 | — |
| SECONDARY Dose Escalation and Expansion Part: Cmax of Free MMAE |
0.760; 1.673; 1.524; 1.410; 2.807; 2.587 | — |
| SECONDARY Dose Escalation and Expansion Part: Tmax of Free MMAE |
23.88; 22.77; 24.39; 24.19; 25.07; 47.74 | — |
| SECONDARY Dose Escalation Part: PK Parameters, T 1/2 of Free MMAE |
95.15; 69.34; 63.98; 62.58; 63.65; 78.90 | — |
| SECONDARY Dose Escalation and Expansion Part: Number of Participants With Positive Anti-Drug Antibodies (ADAs) to Tisotumab Vedotin |
0; 0; 0; 0; 0; 0 | — |
| SECONDARY Dose Escalation Part: Anti-Tumor Activity Measured by Number of Participants Who Experienced Tumor Shrinkage |
0; 0; 0; 1; 0; 2 | — |
| SECONDARY Dose Expansion Part: Anti-Tumor Activity Measured by Maximum Reduction Among Available Post-Baseline Sum of Lesion Measurements |
6.00; -8.50; 1.00; -2.00; 0.00; -4.00 | — |
| SECONDARY Dose Escalation and Expansion Part: Percentage Change From Baseline in Prostate Specific Antigen (PSA) |
64.35; 40.91; 3.92; 60.07 | — |
| SECONDARY Dose Escalation and Expansion Part: Percentage Change From Baseline in CA-125 |
18.75; -13.98; 113.71; 11.62; -25.17; 37.85 | — |
| SECONDARY Dose Escalation and Expansion Part: Objective Response Rate |
0; 0; 0; 33; 0; 0 | — |
| SECONDARY Dose Escalation and Expansion Part: Disease Control Rate |
0; 33; 33; 67; 33; 100 | — |
| SECONDARY Dose Escalation and Expansion Part: Progression Free Survival (PFS) |
5.1; 6.0; 6.1; 27.1; 6.1; 17.1 | — |
| SECONDARY Dose Expansion Part: Duration of Response (DOR) |
NA; 32.0; 18.4; NA; 18.3; NA | — |
Eligibility Criteria
Inclusion Criteria
- Patients with relapsed, advanced and/or metastatic cancer who have failed available standard treatments or who are not candidates for standard therapy.
Patients must have measurable disease
- Age ≥ 18 years.
- Acceptable renal function
- Acceptable liver function
- Acceptable hematological status (without hematologic support
- Acceptable coagulation status
- Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
- Life expectancy of at least three months.
- A negative serum pregnancy test (if female and aged between 18-55 years old).
- Women who are pregnant or breast feeding are not to be included.
- Patients, both females and males, of reproductive potential must agree to use adequate contraception during and for six months after the last infusion of HuMax-TF-ADC.
- Following receipt of verbal and written information about the study, patients must provide signed informed consent before any study-related activity is carried out.
Exclusion Criteria
- Known past or current coagulation defects.
- Ongoing major bleeding,
- Have clinically significant cardiac disease
- A baseline QT interval as corrected by Fridericia's formula (QTcF) > 450 msec, a complete left bundle branch block (defined as a QRS interval ≥ 120 msec in left bundle branch block form) or an incomplete left bundle branch block.
- Have received granulocyte colony stimulating factor (G-CSF) or granulocyte/macrophage colony stimulating factor support within one week or pegylated G-CSF within two weeks before the Screening Visit.
- Have received a cumulative dose of corticosteroid ≥ 100 mg (prednisone or equivalent doses of corticosteroids) within two weeks before the first infusion.
- Major surgery within six weeks or open biopsy within 14 days before drug infusion.
- Plan for any major surgery during treatment period.
- Any history of intracerebral arteriovenous malformation, cerebral aneurysm, brain metastases or stroke.
- Any anticancer therapy including; small molecules, immunotherapy, chemotherapy monoclonal antibodies or any other experimental drug within four weeks or five half lives, whichever is longest, before first infusion.
- Prior treatment with bevacizumab within twelve weeks before the first infusion.
- Radiotherapy within 28 days prior to first dose.
- Patients who have not recovered from symptomatic side effects of radiotherapy at the time of initiation of screening procedure.
- Known past or current malignancy other than inclusion diagnosis, except for:
- Cervical carcinoma of Stage 1B or less.
- Non-invasive basal cell or squamous cell skin carcinoma.
- Non-invasive, superficial bladder cancer.
- Prostate cancer with a current PSA level 5 years duration.
- Known human immunodeficiency virus seropositivity.
- Positive serology (unless due to vaccination or passive immunization due to Ig therapy) for hepatitis B
- Positive serology for hepatitis C based on test at screening.
- Inflammatory bowel disease including Crohn's disease and colitis ulcerosa.
- Inflammatory lung disease including moderate and severe asthma and chronic obstructive pulmonary disease (COPD) requiring chronic medical therapy.
- Ongoing acute or chronic inflammatory skin disease.
Data sourced from ClinicalTrials.gov (NCT02001623). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.