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A Safety, Efficacy and Pharmacokinetic Study of Siltuximab (CNTO 328) in Participants With Solid Tumors

NCT00841191CompletedPHASE1, PHASE2INTERVENTIONAL

Summary

The purpose of this study is to determine the recommended dose of siltuximab monotherapy, in participants with solid malignant (cancerous) tumors (a mass in a specific area) and to estimate the clinical benefit of siltuximab monotherapy in participants with ovarian cancer and with Kirsten rat sarcoma viral oncogene homolog (KRAS) mutant tumors.

Key Facts

Lead Sponsor

Centocor, Inc.

Enrollment

Start Date

2009-03-01

Completion Date

2011-04-01

Study Type

INTERVENTIONAL

Official Title

A Phase 1/2, Multiple-Dose, Dose-Escalation Study to Assess the Safety, Efficacy, and Pharmacokinetics of Intravenous CNTO 328, an Anti-Interleukin 6 (IL-6) Monoclonal Antibody, in Subjects With Solid Tumors

Interventions

CNTO 328; Anti-interleukin-6 monoclonal antibodyCNTO 328; Anti-interleukin-6 monoclonal antibodyCNTO 328; Anti-interleukin-6 monoclonal antibodyCNTO 328; Anti-interleukin-6 monoclonal antibodyCNTO 328; Anti-interleukin-6 monoclonal antibodyCNTO 328; Anti-interleukin-6 monoclonal antibodyCNTO 328; Anti-interleukin-6 monoclonal antibody

Conditions

Ovarian NeoplasmsPancreatic NeoplasmsColorectal NeoplasmsHead and Neck NeoplasmsLung Neoplasms

Eligibility

Age Range

18 Years+

Sex

ALL

Inclusion Criteria:

* Histologic (pertaining to body tissues) or cytologic (pertaining to cells) documentation of malignancy (cancer or other progressively enlarging and spreading tumor) as follows: malignant solid tumors (Cohort 1-4 only); Cohorts 5 and Phase 2: epithelial (tissue covering outer layers of most body organs and parts) ovarian cancers (abnormal tissue growth) that have progressed on or after standard therapy, or for which there is no effective therapy or platinum resistant and taxane resistant, defined as progression on or within 6 months of completing therapy with taxane and platinum either alone or in combination (unless contraindications for taxane or platinum exist), and for which there is no effective therapy, or participants with known KRAS mutant tumors or pancreatic cancer, or non-small cell lung cancer (NSCLC), colorectal cancer (CRC) or head and neck (H\&N) cancer that are refractory or resistant to anti-epidermal growth factor receptor (EGFR) therapy and all participants must have received at least 1 line of standard chemotherapy
* Eastern cooperative oncology group (ECOG) performance status score less than or equal to 2
* Participants must have recovered from reversible toxicity (any harmful effect of a drug or poison) of previous treatment to less than or equal to grade 1 or an acceptable baseline
* Women of child bearing potential must have a negative pregnancy test at screening
* Cohort 5 and Phase 2 cohorts must have evaluable or measurable disease (defined by response evaluation criteria in solid tumors \[RECIST\], as applicable)

Exclusion Criteria:

* Received any prior systemic therapy or had major surgery for the cancer under study within 4 weeks (in the case of nitrosoureas and mitomycin C within 6 weeks) prior to first siltuximab administration
* Prior anti-interleukin 6 (IL-6) targeted therapy
* Serious concurrent illness or history of uncontrolled heart disease such as: unstable angina (chest pain due to decreased oxygen being supplied to the heart), congestive heart failure (failure of the heart resulting in fluid build-up in the lungs, other body tissues, or both), myocardial infarction (heart attack) within preceding 12 months, clinically significant rhythm or conduction abnormality
* Participants with known allergies (over sensitivity to a substance) or clinically significant reactions to murine, chimeric, or human proteins
* Any uncontrolled medical condition, including the presence of laboratory abnormalities, that places the participant at unacceptable risk by participating in the study or confounds the ability to interpret data from the study

Outcome Measures

Primary Outcomes

Percentage of Participants With Clinical Benefit Response (CBR)

The CBR is a confirmed complete response (CR), partial response (PR), or stable disease (SD) lasting at least for 6 weeks as per response evaluation criteria in solid tumors (RECIST) criteria. CR: disappearance of all target and non-target lesions and normalization of tumor marker level; PR: at least 30 percent decrease in sum of the longest diameter (LD) of target lesions, taking as reference the baseline sum LD; SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for progressive disease, taking as reference the smallest sum LD since treatment started.

Time frame: Baseline until disease progression or withdrawal of consent, assessed every 9 weeks up to Week 4 after last dose administration

Secondary Outcomes

Percentage of Participants With Overall Response

Overall response is defined as a confirmed CR or PR using RECIST criteria. CR is defined as disappearance of all target lesions and non-target lesions and normalization of tumor marker level, and PR is defined as at least 30 percent decrease in sum of the LD of target lesions, taking as reference the baseline sum LD.

Time frame: Baseline until disease progression or withdrawal of consent, assessed every 9 weeks up to Week 4 after last dose administration

Number of Participants With Tumor Marker Response

According to gynecologic cancer intergroup criteria (GCIC), tumor marker response is defined as at least a 50 percent reduction in tumor marker which must be confirmed and maintained for at least 4 weeks. Tumor marker response is assessed using cancer antigen (CA-125), carcinoembryonic antigen (CEA), CA-19.9 and other markers as available

Time frame: Baseline until disease progression or withdrawal of consent, assessed every 9 weeks up to Week 4 after last dose administration

Percentage of Participants With Hemoglobin (Hb) Response

The Hb response is defined by an increase of at least 1 gram per deciliter (g/dL) over baseline observed at least once in the absence of transfusion or erythropoietin stimulating agents.

Time frame: Baseline up to Week 4 after last dose administration

Progression Free Survival (PFS)

The PFS is the time interval between first administration of siltuximab and the first documented sign of progression (at least a 20 percent increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new target or non-target lesions as per RECIST) or death, whichever occurs first.

Time frame: Baseline until disease progression or death, assessed every 9 weeks up to Week 4 after last dose administration

Overall Survival (OS)

The OS is the interval between first administration of siltuximab and the participant's death from any cause.

Time frame: From first dose administration until death, assessed every 3 months up to 12 months after last dose administration

European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) Score

The EORTC QLQ-C30 is used to measure physical function, general health, and global health, as well as participant-reported impression of global quality of life. Symptoms in the scale include: fatigue, pain, and sleep disturbance. It contains 28 items scored using a Likert scale from 1 (not at all) to 4 (very much). 2 additional items are scored from 1 (very poor) to 7 (excellent). Total score ranges from 30-126 with higher score indicating better level of functioning or greater degree of symptoms.

Time frame: Baseline up to 4 weeks after last dose administration

Change From Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-OV28) Score at Week 4 After Last Dose Administration

The EORTC QLQ-OV28 covers side effects of therapy; activity limitation attributable to disease; hormonal symptoms; body image; difficulty with specific bodily functions; and sexual functioning. It contains 28 items scored using a Likert scale from 1 (not at all) to 4 (very much) with a recall period of the past week or, in the final segment, the past 4 weeks. Total score ranges from 28-112 with higher score indicating better level of functioning or greater degree of symptoms.

Time frame: Baseline and Week 4 after last dose administration

Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC[0-inf])

Area under the serum concentration versus time curve from time zero to infinity with extrapolation of the terminal phase will be calculated; samples for the determination of siltuximab serum concentration will be collected from 0 hour (h) (pre-dose) to 24h (post-dose) on Day (D) 1 up to Week 12 (Wk12) after last dose administration for all cohorts.

Time frame: Cohort1-4:0,1,4,6,24h post-dose on D1,8,15,22; D1 of extended treatment; Cohort1,2:0,1h post-dose on D28,42,56; Cohort3,4:D28,49,70; Cohort5-7:0,1,2h post-dose on D1,8,15; 0,1h post-dose on D21,42,63,84,105,168,231; up to Wk12 after last dose (Cohort1-7)

Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUC[0-t])

Area under the serum concentration versus time curve from time zero (pre-dose) to time of last quantifiable concentration (AUC\[0-t\]) was calculated.

Minimum Observed Serum Concentration at Steady-State (Cmin,ss)

The Cmin,ss is the minimum observed serum concentration during a dosing interval at steady-state (time at which serum concentration does not change with time).

Maximum Observed Serum Concentration (Cmax)

The Cmax is the maximum observed serum concentration of siltuximab.

Terminal Elimination Half Life (t1/2)

Terminal elimination half-life is the time measured for the serum concentration to decrease to half value.

Total Systemic Clearance (CL)

Total systemic CL is calculated by dividing the dose by area under the curve from time 0 to extrapolated infinite time (AUCinf).

Volume of Distribution at Steady State (Vss)

The Vss is calculated by multiplying mean residence time (MRT) with systemic clearance (CL). MRT is the time when 63.2 percent of an intravenous dose has been eliminated after single dose administration.

Percent Change From Baseline in C-Reactive Protein (CRP) Level

The CRP levels are determined using high sensitive CRP assay and percent change from baseline is calculated at each time point.

Time frame: Baseline; Day (D) 1,8,15 (post-dose) for cohort 1 to 7; Day 22 (post-dose), 28 (pre-dose) for cohort 1 to 4; Day 42,56 (pre-dose) for cohort 1, 2; Day 49,70 (pre-dose) for cohort 3, 4; Day 21,42,63,84,105,126,147,168,189,210 (pre-dose) for cohort 5 to 7

Percent Change From Baseline in Inflammatory Cytokines Level

Percent change from baseline in the levels of inflammatory (pertaining to pain, redness and swelling) markers for interferon gamma (IFN-g), interleukin 1 beta (IL1b), IL-2, IL-5, IL-8, IL10, IL12, and tumor necrosis factor alpha (TNFa) is calculated.

Time frame: Baseline; Day 8 and 15 (post-dose) for cohort (C) 1 to 7; Day 22 (post-dose) and 28 (pre-dose) for cohort 1 to 4; Day 42 and 56 (pre-dose) for cohort 1 and 2; Day 49 and 70 (pre-dose) for cohort 3 and 4; Day 21, 42 and 63 (pre-dose) for cohort 5 to 7

Percent Change From Baseline in the Angiogenesis Related Factors Level

Percent change from baseline in the level of markers associated with angiogenesis related factors (vascular endothelial growth factor \[VEGF\], vascular endothelial growth factor receptor \[VEGFR\], and basic fibroblast growth factor \[bFGF\]) is calculated.

Time frame: Baseline; Day 8 and 15 (post-dose) for cohort 1 to 7; Day 22 (post-dose) and 28 (pre-dose) for cohort 1 to 4; Day 42 and 56 (pre-dose) for cohort 1 and 2; Day 49 and 70 (pre-dose) for cohort 3 and 4; Day 21, 42 and 63 (pre-dose) for cohort 5 to 7

Percent Change From Baseline in Interleukin 6 Receptor (IL-6R) Subunits Level

Percent change from baseline in the level of ligand-binding subunit of the IL-6R, soluble GP80 (sGP80) and signal-transducing subunit of the IL-6R, soluble GP130 (sGP130) is calculated.

Time frame: Baseline; Day 8 and 15 (post-dose) for cohort 1 to 7; Day 28 (pre-dose) for cohort 1 to 4; Day 42 and 56 (pre-dose) for cohort 1 and 2; Day 49 and 70 (pre-dose) for cohort 3 and 4; Day 21, 42 and 63 (pre-dose) for cohort 5 to 7

Number of Participants Assessed Positive for Antibodies to Siltuximab

Number of participants who are tested positive for antibodies (type of protein that helps to protect the body against foreign matter, such as bacteria and viruses) to siltuximab is reported.

Time frame: Day 1 (pre-dose) up to Week 12 after last dose administration

Percent Change From Baseline in Hepcidin Level

Hepcidin is a liver-produced iron-regulatory peptide hormone (substance made by a gland in the body that regulates another part of the body) that is implicated in anemia (decreased number of red blood cells) of inflammation (pain, redness and swelling). Percent change from baseline in hepcidin (marker of anemia and iron metabolism) level is calculated.

Locations

Philadelphia, United States

Houston, United States

Brussels, Belgium

Wilrijk, Belgium

Caen, France

Lyon, France

Villejuif, France

Barcelona, Spain

Madrid, Spain

Birmingham, United Kingdom

Edinburgh, United Kingdom

Southampton, United Kingdom

Linked Diseases

Ovarian Neoplasms

Ovarian Neoplasms — a type of gynecological cancer.