scholarly journals Phase 1 trial of apatinib combined with intensity-modulated radiotherapy in unresectable hepatocellular carcinoma

2021 ◽  
Author(s):  
Hongzhi Wang ◽  
Xianggao Zhu ◽  
Yuting Zhao ◽  
Dezuo Dong ◽  
Lijuan Li ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Dose Escalation ◽  
Phase 1 ◽  
Objective Response ◽  
Local Treatment ◽  
Intensity Modulated Radiotherapy ◽  
Maximum Tolerated Dose ◽  
Intensity Modulated ◽  
Unresectable Hepatocellular Carcinoma ◽  
Grade 3

Abstract Background To investigate the maximum tolerated dose (MTD) of apatinib delivered during and after intensity-modulated radiotherapy (IMRT) for unresectable hepatocellular carcinoma (HCC). Methods Patients with unresectable HCC who were not eligible for radiofrequency ablation (RFA), transarterial chemoembolization (TACE), or residual/recurrent after the prior local treatment were enrolled. Patients were scheduled to be treated with IMRT at 50–60 Gy/25–30 fractions. Apatinib was administered concurrently with IMRT and continued after IMRT. In this study, we used a 3 + 3 dose-escalation design. Three dose levels of apatinib (250, 500, and 750mg) were designed. Grade 3 or more severe adverse events (AEs) were defined as dose-limiting toxicities (DLTs). The treatment response was calculated using the Modified Response Evaluation Criteria in Solid Tumour. Results Nine patients with Barcelona Clinic Liver Cancer stage C were included in this study. One patient withdrew from the apatinib 250mg group and another patient was added. No DLT occurred in the apatinib 250mg group. Five patients were included in the apatinib 500mg group, and 2 cases of DLT (grade 3 leukopenia) were found among them. Dose escalation was terminated and the MTD was determined to be 250mg. Common AEs of grade 1–2 included fatigue, hypertension, dizziness, bone marrow suppression, and hyperbilirubinemia. The median follow-up time for all patients was 16.0 months. Three patients achieved complete response and another three achieved partial response. The objective response rate was 6/9 (66.7%), and the disease control rate was 9/9 (100%). Three patients relapsed out of the radiation field. The median progression-free survival was 17.0 months, and the median overall survival was 16.7 months. Conclusions When combined with IMRT, apatinib 250mg daily was recommended for a phase 2 study of unresectable HCC. The antitumor activity of the combination treatment was encouraging. The safety and efficacy of apatinib combined with IMRT for unresectable HCC should be further investigated in future studies.

Clinical Activity of the Immunoconjugate CMC-544 in B-Cell Malignancies: Preliminary Report of the Expanded Maximum Tolerated Dose (MTD) Cohort of a Phase 1 Study.

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 2711-2711 ◽  
Author(s):  
Luis Fayad ◽  
Hemant Patel ◽  
Gregor Verhoef ◽  
Myron Czuczman ◽  
James Foran ◽  
...  
Keyword(s):  
B Cell ◽  
Dose Escalation ◽  
Remission Rate ◽  
International Workshop ◽  
Phase 1 ◽  
Objective Response ◽  
Safety Data ◽  
Clinical Activity ◽  
B Cell Lymphomas ◽  
Grade 3

Abstract Introduction: CMC-544 is an antibody-targeted chemotherapy agent composed of a humanized antibody that specifically targets the CD22 antigen, conjugated to calicheamicin, a potent cytotoxic antitumor agent. Malignant cells of mature B-lymphocyte lineage express CD22, suggesting that CMC-544 may be useful for treating lymphomas of B-cell origin. A phase 1 dose-escalation trial of CMC-544 was performed at 14 European and US sites with 36 patients in the dose escalation portion and 48 in the expanded MTD portion. The MTD dose was 1.8 mg/m2 every 4 weeks. In the dose escalation phase the main toxicities observed were thrombocytopenia, asthenia, nausea, neutropenia, elevated liver function tests (LFTs) and anorexia. Grade 3–4 levels were only seen for thrombocytopenia, asthenia, neutropenia and LFTs (incidence of 40%, 13%, 9% and 9% respectively). Responses were seen in 8/22 (36%) patients (Advani A, et. al. Blood, abstract# 230, 2005:106). We now report the results of the expanded cohort at the MTD. Patients and Methods: Relapsed/refractory lymphoma patients were treated at the 1.8 mg/m2 dose level every 4 weeks. In addition to safety data, preliminary efficacy data (assessed using the International Workshop to Standardize Response Criteria for NHL) were collected. Results: As of July 2006, 48 patients were treated: median age 57 years (range 26–75); 51% females; 61% with ≥ 4 prior lines of therapy; 22 (46%) follicular lymphomas (FL) and 26 (54%) diffuse large B-cell lymphomas (DLBCL). Data were available on 48 patients evaluable for safety and 34 patients (19 FL and 15 DLBCL) evaluable for response. The overall safety profile was manageable; the most common drug-related adverse events (all grades) included thrombocytopenia (90%; the only bleeding noted was grade 1–2 epistaxis [12%]), asthenia (57%), nausea (39%), neutropenia (37%) and elevated levels of AST/SGOT (41%), ALT/SGPT (18%), alkaline phosphatase (27%) and bilirubin (18%). Grade 3–4 AEs that occurred with a frequency ≥ 10% included thrombocytopenia (57%) and neutropenia (29%). Responses in evaluable patients are shown in Table 1. The objective response rate was 69% and 33% for patients with FL and DLBCL, respectively. Conclusions: CMC-544 exhibits effficacy against recurrent/refractory B-cell lymphomas, with the main toxicity being clinically manageable, self limited thrombocytopenia. These encouraging data support the continuing development of CMC-544. Number (%) of Responses in Evaluable Patients: Response Follicular Lymphoma (n=19) DLBCL (n=15) ORR = Overall Remission Rate, (CR/CRu+PR) CR/CRu 6 (31.7) 2 (13.3) PR 7 (36.8) 3 (20.0) ORR 13 (68.5) 5 (33.3)

Banoxantrone (AQ4N), a Tissue Targeted Prodrug: Results of a Phase 1 Study in Lymphomas.

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 2429-2429
Author(s):  
Richard R. Furman ◽  
Nancy L. Bartlett ◽  
Alvin F. Wong ◽  
Leanne M. McCulloch ◽  
Gilbert N. Lam ◽  
...  
Keyword(s):  
Partial Response ◽  
Follicular Lymphoma ◽  
Dose Escalation ◽  
Clinical Studies ◽  
Topoisomerase Ii ◽  
Phase 1 ◽  
Maximum Tolerated Dose ◽  
Blood Levels ◽  
Dna Intercalator ◽  
Grade 3

Abstract AQ4N is a prodrug which is selectively bioreduced by cytochrome P450 to AQ4, a potent DNA intercalator and topoisomerase II inhibitor. Preclinical studies demonstrate AQ4N selectively targets lymphoblastoid cell lines and hypoxic tumors. This study assessed the maximum tolerated dose (MTD), and pharmacokinetics (PK) of repeated dosing of AQ4N in patients (pts) with lymphoid malignancies. AQ4N was administered IV on Day 1 of a 21 day cycle to cohorts of at least three pts at doses of 400, 800, or 1200 mg/m2 for a maximum of 8 cycles. The dose was escalated as long as <33% of pts did not experience a dose limiting toxicity (DLT). 11 pts were enrolled with 3 pts treated at 400 mg/m2 and 4 pts treated at 800 and 1200 mg/m2 each. No pts experienced a DLT and no clinical MTD was identified. No further dose escalation was investigated due to reaching known maximum AQ4N solution solubility. The most common related adverse events (AE) observed were expected transient skin discoloration (100%), transient chromaturia (36%) and lymphopenia (27%), as well as fatigue (27%) and nausea (27%). AEs were primarily mild (Grade 1–2) with the exception of Grade 3 lymphopenias (n=3) and Grade 3 neutopenia (n=1) events. No dose reductions or dose delays resulted from these hematologic decreases. 6 pts experienced at least one serious AE, including: pneumonia, staph aureus bacteremia, acute respiratory distress syndrome (ARDS), dyspnea, and pleural effusion, none of which were attributed to AQ4N. The PK was linear over all doses studied. At 1200 mg/m2 (n=4), the Day 1 AQ4N Cmax was 122.3 ± 13.1 μg/mL, AUC0–∞ was 340.8 ± 68.7 μg·h/mL, and T1/2 was 3.2 h (range 2.8 to 4.1 h). One pt with follicular lymphoma dosed at 1200 mg/m2 had a partial response after the 4th cycle using the NHL standardized response criteria. The pt went on to complete all 8 cycles and to date remains in partial response. The bioreductive prodrug, AQ4N, is well-tolerated when administered on a repeated 21-day schedule at doses up to and including 1200 mg/m2. Further dose escalation was precluded since the known maximum solubility of AQ4N was reached. Blood levels of AQ4N achieved in this study appear to be within the range of potentially therapeutic levels of the active drug, AQ4, as seen in previous preclinical and clinical studies of solid tumors (Harris PA et al, 2006; Albertella MR et al., 2006). Preliminary evidence of anti-tumor activity was seen in one pt with follicular lymphoma. Further clinical studies of AQ4N administered both as a monotherapy and in combination with chemo- and radiation therapy are planned in B-cell neoplasms and solid tumor malignancies.

A dose escalation phase 1 study of radiotherapy (RT) in combination with anti-cytotoxic-T-lymphocyte-associated antigen 4 (CTLA-4) monoclonal antibody ipilimumab in patients (pts) with metastatic melanoma.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. 9549-9549 ◽  
Author(s):  
Celine Boutros ◽  
Christine Mateus ◽  
Emilie Lanoy ◽  
Emilie Routier ◽  
Salem Chouaib ◽  
...  
Keyword(s):  
Monoclonal Antibody ◽  
Metastatic Melanoma ◽  
Dose Escalation ◽  
Phase 1 ◽  
Progression Free Survival ◽  
Maximum Tolerated Dose ◽  
Tumor Control ◽  
Severe Toxicity ◽  
Phase 1 Study ◽  
Grade 3

9549 Background: Preclinical findings have shown a synergy between RT and anti-CTLA-4 monoclonal antibody in several tumor animal models for both local tumor control and distant effects. Preliminary clinical data suggest that it could be due to an abscopal effect of RT. The Mel-Ipi-Rx phase 1 study aimed to determine the maximum tolerated dose (MTD) and safety profile of RT combined with ipilimumab in pts with metastatic melanoma. Methods: A 3+3 dose escalation design was used with 9, 15, 18 and 24 Gy dose of RT (in 3 fractions) at week 4 combined with 10 mg/kg ipilimumab (every 3 weeks for 4 doses). Pts with evidence of clinical benefit at week 12 were eligible for maintenance ipilimumab at 10 mg/kg every 12 weeks starting at week 24 until severe toxicity or disease progression based on immune-related response criteria (irRC). Results: 19 pts with advanced melanoma received ipilimumab between August 2011 and July 2015. Nine pts received the 4 doses of ipilimumab and 2 pts received maintenance ipilimumab (1 and 2 cycles respectively). All pts received the combined RT at week 4 in 3 fractions. All pts presented at least one AE of any grade. The most common AEs were asthenia, diarrhea, desease-related pain and fever. Grade 3 AEs occurred in 8 pts. They included colitis (n = 3), hepatitis (n = 2), anemia (n = 2), asthenia (n = 1), thyroid disorders (n = 1) and nausea/vomiting (n = 1). Nine pts discontinued the study owing to treatment-related adverse events including colitis (n = 6), hepatitis (n = 2) and DRESS (Drug Rash with Eosinophilia and systemic syndrome) (n = 1). DLT occurred in 2/6 pts in the cohort receiving 15 Gy. No drug-related death occurred. According to irRC, 4 partial responses (ORR: 21%) and 4 stable diseases were observed at week 24. The MTD was 9 Gy dose. One pt out of 12 treated in the 9 Gy cohort presented a DLT (grade 3 colitis). The median progression-free survival [95% CI] was 7.2 months [2.4 – 16.8]. The median overall survival [95% CI] was 14.4 months [7.2 – 20.4]. Conclusions: When combined with ipilimumab at 10 mg/kg, in the present design, the MTD of RT was 9 Gy. This combination appears to be associated with antitumor activity. Clinical trial information: 2010-020317-93.

Phase 1 study of MK-4166, an anti-human glucocorticoid-induced tumor necrosis factor receptor (GITR) antibody, as monotherapy or with pembrolizumab (pembro) in patients (pts) with advanced solid tumors.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. 9509-9509 ◽  
Author(s):  
Kyriakos P. Papadopoulos ◽  
Karen A. Autio ◽  
Talia Golan ◽  
Konstantin Dobrenkov ◽  
Elliot Chartash ◽  
...  
Keyword(s):  
T Cell ◽  
Solid Tumors ◽  
Dose Escalation ◽  
Drug Disposition ◽  
Phase 1 ◽  
Objective Response ◽  
Study Drug ◽  
Maximum Tolerated Dose ◽  
Fixed Dose ◽  
Phase 1 Study

9509 Background: Ligation of GITR on immune cells decreases Treg-mediated suppression and enhances T cell proliferation. MK-4166 is a humanized IgG1 agonist monoclonal antibody targeting GITR. Data from the first-in-human phase 1 study (NCT02132754) of MK-4166 as monotherapy (mono) or in combination with pembro (combo) are presented. Methods: MK-4166 was tested alone (0.0015 mg IV-900 mg Q3W ×4 doses) or with pembro (fixed dose 200 mg IV Q3W up to 35 doses) in the absence of toxicity or progression. Study included a dose escalation/confirmation cohort (metastatic solid tumors) and an expansion cohort (treatment-naive and pretreated melanoma). A T cell–inflamed gene expression profile (GEP) was assessed using RNA from baseline tumor samples. End points – primary: safety/tolerability, maximum tolerated dose (MTD) of MK-4166; secondary: pharmacokinetics (PK), pharmacodynamics (PD); exploratory: objective response rate (ORR) per irRECIST1.1. Results: Of 113 pts, 48 received mono and 65 combo; 20 were in the melanoma expansion. Common AEs ( > 20%) were fatigue, infusion-related reaction, nausea, abdominal pain, and pruritus; 43 pts had grade ≥3 AEs (38.1%); 6 (5.3%) were treatment-related. One dose-limiting toxicity (bladder perforation in a urothelial pt with a neobladder) possibly related to study drug was observed with mono. MTD was not reached. No treatment-related deaths were observed. MK-4166 PK/PD showed target-mediated drug disposition concomitant with decreased GITR availability on T cells in blood with increasing doses. Four objective responses (4/45; ORR, 9%) were seen with combo in dose escalation. For ICI-naive melanoma pts (n = 13) in expansion, ORR was 69% (95% CI, 38-91), including 4 CRs and 5 PRs. No response was observed in 7 pts previously treated with ICI. High ORRs were observed in noninflamed and inflamed ICI-naive melanoma pts. Conclusions: MK-4166 at a dose up to 900 mg as monotherapy and in combination with pembro was well tolerated, with dose-related evidence of target engagement. Responses were observed with MK-4166 900 mg plus pembro, particularly in pts with melanoma naive to ICIs. Clinical trial information: NCT02132754.

SWOG S1221: A phase 1 dose escalation study co-targeting MAPK-dependent and MAPK-independent BRAF inhibitor resistance in BRAF mutant advanced solid tumors with dabrafenib, trametinib, and GSK2141795 (ClinicalTrials.gov NCT01902173).

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. 2578-2578 ◽  
Author(s):  
Alain Patrick Algazi ◽  
James Moon ◽  
Bartosz Chmielowski ◽  
Roger Lo ◽  
Kari Lynn Kendra ◽  
...  
Keyword(s):  
Solid Tumors ◽  
Dose Escalation ◽  
Phase 1 ◽  
Objective Response ◽  
Braf Inhibitor ◽  
Braf V600e ◽  
Advanced Solid Tumors ◽  
Treatment Naïve ◽  
Grade 3 ◽  
Braf Mutant

2578 Background: Aberrant PI3K/AKT signaling in BRAF mutant cancers contributes to resistance to MAPK pathway blockade. We conducted parallel phase 1 dose escalation studies of the doublet of the BRAFi dabrafenib with the AKT inhibitor GSK2141795 and of the triplet of dabrafenib, the MEKi trametinib, and GSK2141795. Methods: Patients (pts) with BRAF-V600E/K mutant advanced solid tumors with adequate end-organ function were eligible regardless of prior BRAFi and MEKi exposure. All pts received dabrafenib at 150 mg twice daily (bid), in the doublet cohorts together with dose escalation (3 + 3 scheme) of GSK2141795 started at 50 mg daily (qd), and in the triplet cohorts with dose escalation of both trametinib starting at 1.5 mg qd and GSK2141795 starting at 25 mg qd. DLTs included significant grade 3 and 4 adverse events (CTCAE v4) within the first 56 days of treatment. Radiographic responses were assessed at 8-week intervals. Results: No DLTs were observed in the doublet cohorts (N = 8) up to dabrafenib 150 mg bid and GSK2141795 75 mg qd. In the triplet cohorts (N = 11), no DLTs were observed at doses of up to trametinib 1.5 mg daily with GSK2141795 75 mg daily. At the highest triplet dose with dabrafenib 150 mg bid, trametinib 2 mg qd with GSK2141795 75 mg qd, 1 of 2 evaluable pts had a DLT of grade 3 febrile neutropenia and grade 3 maculo-papular rash. 2/2 treatment-naïve in the doublet cohorts had PRs (1 melanoma and 1 thyroid) the latter lasting over 1 year. 1/6 BRAF inhibitor-refractory (melanoma) pts also had an objective response. In the triplet cohorts, 3 of 6 treatment-naïve pts had a PR (1 melanoma, 2 lung). One lung pt remains in PR at 2 months and the otherhas an uPR at 1.2 months. Conclusions: Inhibition of both MAPK and PI3K/AKT pathways was well tolerated, leading to durable objective responses in pts with metastatic melanoma, thyroid cancer, and lung cancer. Further study of dual pathway inhibition is warranted. Funding: Supported in part by NIH/NCI grants CA180888, CA180819; and in part by Novartis Pharmaceuticals Corporation and GlaxoSmithKline, LLC. Clinical trial information: NCT01902173.

Dose escalation and expansion from the phase I study of DS-1062, a trophoblast cell-surface antigen 2 (TROP2) antibody drug conjugate (ADC), in patients (pts) with advanced non-small cell lung cancer (NSCLC).

2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 9619-9619 ◽  
Author(s):  
Aaron Elliott Lisberg ◽  
Jacob Sands ◽  
Toshio Shimizu ◽  
Jonathan Greenberg ◽  
Penny Phillips ◽  
...  
Keyword(s):  
Antitumor Activity ◽  
Dose Escalation ◽  
Standard Treatment ◽  
Phase 1 ◽  
Human Study ◽  
Maximum Tolerated Dose ◽  
Dose Effect ◽  
Antibody Drug Conjugate ◽  
Grade 3 ◽  
Experienced Grade

9619 Background: TROP2 is an intracellular calcium signaling transducer overexpressed in NSCLC, portending poor survival. DS-1062 is a TROP2-targeting ADC with a novel topoisomerase 1 inhibitor (exatecan derivative, DXd) and promising preclinical antitumor activity. Updated results inclusive of 24 additional dose escalation pts and 32 dose expansion pts from an ongoing phase 1 study of DS-1062 in advanced/metastatic NSCLC are reported (NCT03401385/J101). Methods: Pts aged ≥18 (US) or ≥20 (Japan) with unresectable NSCLC refractory to/relapsed from standard treatment with measurable disease (RECIST v1.1) and available tumor for retrospective TROP2 evaluation were eligible. Primary objectives include maximum tolerated dose (MTD) identification, safety, and tolerability and secondary objectives include efficacy, pharmacokinetics, and incidence of anti-drug antibodies against DS-1062. Pts were eligible regardless of TROP2 level. Results: As of November 16, 2019, 95 pts were treated with ≥1 dose of DS-1062. 63 pts were treated during escalation at 0.27 (n = 4), 0.5 (n = 5), 1.0 (n = 7), 2.0 (n = 6), 4.0 (n = 6), 6.0 (n = 19), 8.0 (n = 8), and 10.0 (n = 8) mg/kg and 32 pts were treated in expansion at the MTD of DS-1062, 8 mg/kg. 59 pts (62%) discontinued (25 [42%] due to progressive disease per RECIST v1.1). Pts were exposed to a median of 3 treatment cycles (range, 1-19). In 88 response-evaluable pts, 22 had partial response (1 PR/6 pts at 2.0 mg/kg, 2 PR/6 pts at 4.0 mg/kg, 5 PR/18 pts at 6.0 mg/kg, 13 PR/34 pts at 8.0 mg/kg, and 1 PR/8 pts at 10.0 mg/kg; 14 PRs were confirmed and 8 PRs are awaiting confirmation). Treatment emergent adverse events (TEAEs) regardless of causality were reported in 91 of 95 pts (96%; 44 pts [46%] experienced ≥grade 3, 30 pts [32%] had serious events). Treatment-related TEAES were reported in 76 of 95 pts (80%; 17 pts [18%] experienced ≥grade 3, 8 pts [8%]) had serious events). Potential interstitial lung disease (ILD) occurred in 8 pts (8%; 2 at 6.0 mg/kg and 6 at 8.0 mg/kg); 6/8 with potential ILDs adjudicated as treatment-related (1 at 6.0 mg/kg [grade 2] and 5 at 8.0 mg/kg [1 grade 1, 2 grade 2, 1 grade 3, and 1 grade 5]). 14 escalation pts and 22 expansion pts remain on trial. Updated trial details/results will be presented. Conclusions: In this first-in-human study of DS-1062, treatment was well tolerated up to 8 mg/kg, and a dose effect on antitumor activity was observed over 2.0-10.0 mg/kg in heavily pretreated pts with prior progression on standard treatment. Clinical trial information: NCT03401385 .

scholarly journals Treatment Outcomes of Helical Intensity-Modulated Radiotherapy for Unresectable Hepatocellular Carcinoma

Gut and Liver ◽  
2013 ◽  
Vol 7 (3) ◽  
pp. 343-351 ◽  
Author(s):  
Moonkyoo Kong ◽  
Seong Eon Hong ◽  
Woo Suk Choi† ◽  
Jinhyun Choi ◽  
Youngkyong Kim
Keyword(s):  
Hepatocellular Carcinoma ◽  
Treatment Outcomes ◽  
Intensity Modulated Radiotherapy ◽  
Intensity Modulated ◽  
Unresectable Hepatocellular Carcinoma

A phase I study of MM-121 in combination with multiple anticancer therapies in patients with advanced solid tumors.

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. 2609-2609 ◽  
Author(s):  
Monica Arnedos ◽  
Crystal Shereen Denlinger ◽  
Wael A. Harb ◽  
Olivier Rixe ◽  
John Charles Morris ◽  
...  
Keyword(s):  
Dose Escalation ◽  
Clinical Benefit ◽  
Phase 1 ◽  
Human Monoclonal Antibody ◽  
Single Agent ◽  
Objective Response ◽  
Growth Factor Receptor ◽  
Maximum Tolerated Dose ◽  
Open Label ◽  
Clinical Benefit Rate

2609 Background: MM-121 is a fully human monoclonal antibody targeting the epidermal growth factor receptor family member ErbB3. ErbB3 has been implicated in driving cancer growth and in the development of resistance to conventional chemotherapies across multiple malignancies. Here we present results of an open-label, Phase 1, multicenter, non-randomized, dose-escalation trial which recently completed enrollment evaluating MM-121 in combination with one of the following chemotherapies: Gemcitabine (Arm A, n=11), carboplatin (Arm B, n=11), pemetrexed (Arm C, n=10), or cabazitaxel (Arm D, n=11). Methods: Patients were treated in a dose escalation “3+3” design to assess the safety, tolerability and pharmacokinetics (PK) of MM-121 administered weekly in combination with anticancer therapies in subjects with advanced cancer. Doses were escalated until the maximum tolerated dose (MTD) was identified or the combination was shown to be tolerable at the highest planned doses. Secondary objectives included: Determining the objective response rate, clinical benefit rate, PK and immunogenicity of MM-121. Data summarized are as of 1/17/2013 from a live database. Results: Overall, 43 patients, [22 (51%) female and 21 (49%) male] have been treated with a median treatment duration of 57 days (range 1-302). The median age was 59 years (range 42-84) and patients had received a median of four prior lines of therapy (range 0-13). Common (>20%) adverse events of any grade and causality across all arms included diarrhea (74%), nausea (54%), fatigue (51%), anemia (44%), vomiting (33%), hypokalemia (30%), decreased appetite (26%), thrombocytopenia (26%), peripheral edema (23%), neutropenia (21%), and constipation (21%). Four DLTs were observed: Two in combination with carboplatin (G4 thrombocytopenia and G3 rash), one with gemcitabine (G4 thrombocytopenia), and one with pemetrexed (G4 hyperuricemia). Overall 38 (88%) patients were evaluable for response and the overall clinical benefit rate (PR or SD >18 weeks), is 32% (12/38). Conclusions: MM-121 can be combined at its recommended single agent dose with standard doses of gemcitabine, pemetrexed, and cabazitaxel and adapted doses of carboplatin. Clinical trial information: NCT01447225.

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