Phase II Study of Carboplatin and Pemetrexed for the Treatment of Platinum-Sensitive Recurrent Ovarian Cancer

2008 ◽  
Vol 26 (35) ◽  
pp. 5761-5766 ◽  
Author(s):  
Ursula A. Matulonis ◽  
Neil S. Horowitz ◽  
Susana M. Campos ◽  
Hang Lee ◽  
Julie Lee ◽  
...  
Keyword(s):  
Ovarian Cancer ◽  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Area Under The Curve ◽  
Progression Free Survival ◽  
Primary Objective ◽  
Fallopian Tube Cancer ◽  
Platinum Sensitive ◽  
Grade 3

Purpose More efficacious, less toxic combinations are needed to treat platinum-sensitive recurrent epithelial ovarian cancer (EOC). Pemetrexed is a multitargeted antifolate with manageable toxicity and has been combined with carboplatin to treat other cancers. Patients and Methods This is a phase II study of carboplatin area under the curve 5 with pemetrexed 500 mg/m2 administered intravenously on day 1 every 21 days for six cycles or for up to eight cycles if clinical benefit occurred. Eligible patients had platinum-sensitive recurrent EOC, peritoneal serous cancer, or fallopian tube cancer. The primary objective was to determine response rate defined by Response Evaluation Criteria in Solid Tumors; other end points included toxicities, progression-free survival (PFS), and overall survival (OS). Results Forty-five patients were accrued; 44 patients received treatment. Overall response rate was 51.1%; there were no complete responses (0%), 23 confirmed partial responses (51.1%), two unconfirmed partial responses (4.4%), 14 patients with stable disease (31.1%), and two patients with progressive disease after two cycles (4.4%). Grade 3 and 4 hematologic toxicities included neutropenia (41%), thrombocytopenia (23%), and anemia (9%); there were no episodes of febrile neutropenia. Grade 3 and 4 nonhematologic toxicities included fatigue (11%), nausea (5%), vomiting (5%), diarrhea (5%), syncope (5%), and pulmonary embolism (5%). Median PFS time was 7.57 months (95% CI, 6.44 to 10.18 months), mean OS time was 20.3 months, and median OS has not yet been reached with a mean follow-up time of 15.3 months. Conclusion Carboplatin/pemetrexed is a well-tolerated regimen with activity in platinum-sensitive recurrent EOC; further testing of this regimen in platinum-sensitive EOC patients is warranted.

Phase II study of CKD602, a camptothecin analog, in combination with carboplatin for the treatment of recurrent ovarian cancer

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. 5554-5554
Author(s):  
C. Choi ◽  
Y. Lee ◽  
C. Kim ◽  
H. Kang ◽  
T. Kim ◽  
...  
Keyword(s):  
Ovarian Cancer ◽  
Phase Ii ◽  
Topoisomerase I ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Primary Objective ◽  
Ca 125 ◽  
Fallopian Tube Cancer ◽  
Free Interval

5554 Background: Belotecan (Camtobell, Chong Keun Dang Corp, Seoul, Korea; CKD602) is a camptothecin derivative with anti-tumor properties recently developed. This phase II study was designed to evaluate the toxicity and efficacy of belotecan combined with carboplatin in patients with recurrent epithelial ovarian cancer (EOC). Methods: Belotecan 0.3 mg/m2/day (days 1–5) and carboplatin AUC 5 (day 5) were administered every 3 weeks for 6 cycles. Eligible patients had recurrent EOC, peritoneal serous cancer, or fallopian tube cancer. The primary objective was to determine response rate defined by Response Evaluation Criteria in Solid Tumors and CA-125 response; other end points included toxicities and progression free survival (PFS). Results: Until this preliminary analysis, sixteen patients had received the treatment and 13 patients were evaluable for response. Eight patients had platinum-sensitive disease (minimum treatment free interval≥6 months) and 6 had platinum-resistant disease (minimum treatment free interval <6 months). Overall response rate was 53.9%; there were 3 complete responses (23.1%), 4 partial responses (30.8%), 4 patients with stable disease (30.8%), and two patients with progressive disease (15.4%). Grade 3 and 4 hematologic toxicities included neutropenia (38%), thrombocytopenia (25%), and anemia (15%); there was one episode of febrile neutropenia. None of the patients experienced grades 3 and 4 gastrointestinal toxicities, including nausea, vomiting, and anorexia. Conclusions: The newly developed topoisomerase I inhibitor, belotecan (CKD-602), combined with carboplatin is a well-tolerated regimen with activity in recurrent EOC; further testing of this regimen is warranted. No significant financial relationships to disclose.

A phase II study of irinotecan combined with S-1 in patients with advanced or recurrent cervical cancer previously treated with platinum based chemotherapy

2019 ◽  
Vol 29 (3) ◽  
pp. 474-479
Author(s):  
Seiji Mabuchi ◽  
Eriko Yokoi ◽  
Kotaro Shimura ◽  
Naoko Komura ◽  
Yuri Matsumoto ◽  
...  
Keyword(s):  
Cervical Cancer ◽  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Recurrent Cervical Cancer ◽  
Free Survival ◽  
Platinum Based Chemotherapy ◽  
Previously Treated ◽  
Grade 3

ObjectivesWe conducted a phase II study to investigate the efficacy and toxicities of irinotecan plus oral S-1 in patients with advanced or recurrent uterine cervical cancer.MethodsPatients with advanced or recurrent cervical cancer previously treated with platinum based chemotherapy were enrolled. Irinotecan (150 mg/m2) was administered intravenously over the course of 90 min on day 1, and S-1 (80 mg/m2) was given orally in two divided doses from days 1 to 14 of a 21 day cycle. The primary endpoint of this phase II study was response rate. Secondary endpoints included safety, progression free survival, and overall survival.ResultsA total of 19 patients were enrolled and treated. The response rate was 29.4%. Grade 3–4 hematologic toxicities were observed in three patients (15.7%). The only grade 3–4 non-hematologic toxicity observed was grade 3 diarrhea. The median progression free survival and overall survival were 3 months and 9 months, respectively.ConclusionS-1 plus irinotecan in a 3 weekly setting is safe and active in women with advanced or recurrent cervical cancer previously treated with platinum based chemotherapy. Future corroborative clinical studies are warranted.

Phase II study of TS-1 (S) plus cisplatin (P) with concurrent thoracic radiotherapy for unresectable stage III non-small cell lung cancer (NSCLC)

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 18070-18070
Author(s):  
F. Ohyanagi ◽  
N. Yamamoto ◽  
A. Horiike ◽  
T. Horai ◽  
K. Gomi ◽  
...  
Keyword(s):  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Performance Status ◽  
Progression Free Survival ◽  
Stage Iii ◽  
Fourth Generation ◽  
Unresectable Stage ◽  
Stage Iii Nsclc ◽  
Grade 3

18070 Background: Although combined chemoradiotherapy is the standard of care in stage III NSCLC, the optimal chemotherapy regimen is not established. S-1, a fourth-generation oral fluoropyrimidine is an active new agent for NSCLC and the combination with cisplatin has a favorable toxicity profile. The objective of this study was to evaluate feasibility and efficacy of S plus P with concurrent radiation for unresectable stage III NSCLC. Methods: Patients with histologically or cytologically confirmed NSCLC, 20 to 75 years in age, performance status 0–1, with no prior chemotherapy were eligible for the study. Patients were treated with P (60 mg/m2 on day 1) and S (orally at 40 mg/m2/dose bid (80 mg/m2/d), on days 1 to 14) repeated every 3–4 weeks for 4 cycles and TRT (60 Gy/30 fr over 6 weeks starting on day 2). The primary endpoint was the response rate (RR), and planned sample size for this phase II study was 28 patients (Simon’s two-stage minimax design, P0=70%, P1=90%, a =0.1, β = 0.1). Results: Of 28 patients enrolled between August 2005 and October 2006, 28 were evaluable. There were 24 males and 4 females, median age of 63 (range 40–74) and 11 IIIA and 17 IIIB. Chemoradiotherapy was well tolerated; 2 cycles of SP and 60 Gy of TRT were administered in all patients and 24 (86%) patients received 4 cycles of SP. During concurrent chemoradiotherapy, grade 3 toxicities were neutropenia (8 pts), leukopenia (6 pts), fatigue (6 pts), anorexia (5 pts), febrile neutropenia (4 pts) and, esophagitis (4 pts). Only one grade 4 leukopenia were observed. During consolidation therapy, grade 3–4 neutropenia, anemia, esophagitis, and pneumonitis were developed in 4, 1, 1 and 2 patients, respectively. No toxic deaths have occurred. Overall RR was 85.7% (95% CI: 79.1- 98.7%) with 4 SDs and 24 PRs. The median progression-free survival and median survival is not mature enough to estimate as only 4 progression and no deaths have occurred. Conclusions: This chemoradiotherapy regimen produced promising response rate in patients with stage III NSCLC and it seems to be well-tolerated. No significant financial relationships to disclose.

RECIST and iRECIST criteria for the evaluation of nivolumab + ipilimumab combination in patients (pts) with microsatellite instability-high/mismatch repair-deficient (MSI/dMMR) metastatic colorectal cancer (mCRC): Results of the GERCOR NIPICOL phase II study.

2020 ◽  
Vol 38 (4_suppl) ◽  
pp. 101-101 ◽  
Author(s):  
Romain Cohen ◽  
Jaafar Bennouna ◽  
Julie Henriques ◽  
Christophe Tournigand ◽  
Christelle De La Fouchardiere ◽  
...  
Keyword(s):  
Phase Ii ◽  
Phase Ii Study ◽  
Checkpoint Inhibitors ◽  
Low Frequency ◽  
Progression Free Survival ◽  
Primary Objective ◽  
Free Survival ◽  
Previously Treated ◽  
Grade 3 ◽  
Clinical Trial Information

101 Background: Immune checkpoint inhibitors (ICKi) are highly effective for MSI/dMMR mCRC pts. RECIST1.1 criteria are reported to underestimate response to ICKi. The GERCOR NIPICOL phase II study aimed to evaluate disease control rate (DCR) using RECIST1.1 and iRECIST for MSI/dMMR mCRC pts treated with nivolumab (NIVO) and ipilimumab (IPI). Methods: MSI/dMMR mCRC pts previously treated with fluoropyrimidines (FP), oxaliplatin (OX) and irinotecan (IRI) ± targeted therapies received NIVO 3 mg/kg + IPI 1 mg/kg Q3W for 4 cycles then NIVO 3 mg/kg Q2W until progression or a maximum of 20 cycles. CT-scan tumor assessments were done every 6 weeks during 24 weeks and then every 12 weeks. Primary objective was DCR at 12 weeks (12wDCR) according to RECIST1.1 and iRECIST by central review. Response rates and progression-free survival (PFS) by central review were secondary objectives. A one-stage Fleming design was used with a targeted improvement of 12wDCR from 70% to 85%. Results: Of 57 pts included between Dec 2017 and Nov 2018, 43.9% had received ≥ 3 prior lines including FP (100%), OX (100%), IRI (95.5%), antiangiogenics (57.9%) and anti-EGFRs (45.6%). 17.5% of pts had BRAF mutation and 27.5% Lynch syndrome. Grade 3-4 treatment-related adverse events were reported in 49.1% of pts, mainly hepatitis (12.3%). 12wDCR was 86.0% and 87.7% using RECIST1.1 and iRECIST respectively, with only 1 pseudo-progression (1.8%) observed during the first 12 weeks, and one later. Kappa coefficient between RECIST and iRECIST 12wDCR was 0.92 (95%CI 0.77-1.0). Best observed responses with RECIST1.1/iRECIST were: 2/2 complete responses (3.5/3.5%), 19/19 partial responses (33.3/33.3%), 30/31 stable diseases (52.6/54.4%) and 3/2 disease progressions (5.3/3.5%), with 3 pts not evaluable (cancer-related deaths before first evaluation). Conclusions: Combination of NIVO and IPI in MSI/dMMR mCRC is associated with a low frequency of pseudo-progression and high DCR rate. PFS will be evaluated in Dec 2019, with all pts having completed the predefined 1-year of ICKi therapy. Clinical trial information: NCT033501260.

Multicenter Phase II Study of Bimonthly High-Dose Leucovorin, Fluorouracil Infusion, and Oxaliplatin for Metastatic Colorectal Cancer Resistant to the Same Leucovorin and Fluorouracil Regimen

1999 ◽  
Vol 17 (11) ◽  
pp. 3560-3568 ◽  
Author(s):  
Thierry André ◽  
Mohamed A. Bensmaine ◽  
Christophe Louvet ◽  
Eric François ◽  
Virginie Lucas ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Peripheral Neuropathy ◽  
Metastatic Colorectal Cancer ◽  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
High Dose ◽  
Median Response ◽  
Grade 3

PURPOSE: To evaluate the objective tumor response rates and toxicities of leucovorin (LV) plus fluorouracil (5-FU) cancer regimen combined with oxaliplatin (85 mg/m2) every 2 weeks on metastatic colorectal cancer patients with documented proof of progression while on bimonthly LV and 5-FU alone. PATIENTS AND METHODS: One hundred patients were enrolled onto this study and 97 received the study drugs between October 1995 and December 1996. Eighty-nine patients were eligible for per-protocol efficacy analysis with documented proof of progression on one of the following two treatments: LV 500 mg/m2 and continuous 5-FU infusion 1.5 to 2 g/m2/22 hours, days 1 through 2 every 2 weeks (FOLFUHD); or LV 200 mg/m2, bolus 5-FU 400 mg/m2, and continuous 5-FU infusion 600 mg/m2/22 hours, days 1 through 2 every 2 weeks (LV5FU2). In our study, 40 patients received FOLFUHD + 85 mg/m2 of oxaliplatin day 1 (FOLFOX3) and 57 patients received LV5FU2 + 85 mg/m2 of oxaliplatin day 1 (FOLFOX4). RESULTS: Of the 97 patients treated, 20 partial responses were observed (FOLFOX3/4: response rate, 20.6%; 95% confidence interval, 13% to 31.1%; FOLFOX3: response rate,18.4%; FOLFOX4: response rate, 23.5%). For patients treated with FOLFOX3/4, the median response duration for was 7.5 months, and the major toxicities were peripheral neuropathy and neutropenia. The incidence of grade 3 (National Cancer Institute common toxicity criteria) peripheral neuropathy was 20.6%; whereas the overall incidence of grade 3 to 4 neutropenia was 27.8%, 15%, and 36.9% for FOLFOX3/4, FOLFOX3, and FOLFOX4, respectively (P = .02). From the start of treatment, median progression-free survival was 4.7, 4.6, and 5.1 months for FOLFOX3/4, FOLFOX3, FOLFOX4, respectively, and median overall survival was 10.8, 10.6, and 11.1 months, respectively. CONCLUSION: This phase II study of oxaliplatin at 85 mg/m2 in combination with bimonthly LV plus 5-FU in patients with colorectal cancer resistant to LV plus 5-FU alone confirms the enhanced antitumor activity of oxaliplatin in combination with 5-FU.

Phase II study of liposomal doxorubicin in refractory ovarian cancer: antitumor activity and toxicity modification by liposomal encapsulation.

1997 ◽  
Vol 15 (3) ◽  
pp. 987-993 ◽  
Author(s):  
F M Muggia ◽  
J D Hainsworth ◽  
S Jeffers ◽  
P Miller ◽  
S Groshen ◽  
...  
Keyword(s):  
Ovarian Cancer ◽  
Phase Ii ◽  
Liposomal Doxorubicin ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Complete Response ◽  
Computed Tomographic ◽  
Free Doxorubicin ◽  
Grade 3 ◽  
Dose Modifications

PURPOSE A phase II study of liposomal doxorubicin was conducted in patients with ovarian cancer who failed to respond to platinum- and paclitaxel-based regimens. Liposomal doxorubicin was selected as a result of its superior activity against ovarian cancer xenografts relative to free doxorubicin and activity in refractory ovarian cancer patients that was noted during the phase I study. PATIENTS AND METHODS Thirty-five consecutive patients were accrued in two institutions (22 in one and 13 in the other). All had progressive disease after either cisplatin or carboplatin and paclitaxel, or at least one platinum-based and one paclitaxel-based regimen. Patients received intravenous (I.V.) liposomal doxorubicin 50 mg/m2 every 3 weeks with a dose reduction to 40 mg/m2 in the event of grade 3 or 4 toxicities, or a lengthening of the interval to 4 weeks (and occasionally to 5 weeks) with persistence of grade 1 or 2 toxicities beyond 3 weeks. RESULTS Nine clinical responses (one complete response [CR], eight partial responses [PRs]) were observed in 35 patients (25.7%), with seven of these having been confirmed by two consecutive computed tomographic (CT) measurements. The median progression-free survival was 5.7 months with an overall survival of 1.5 to 24+ months (median, 11 months). Although 13 patients experienced grade 3 or 4 nonhematologic skin and mucosal toxicities (either hand-foot syndrome or stomatitis), with dose modifications, the treatment was very well tolerated. Nausea that was clearly attributable to the drug, hair loss, extravasation necrosis, or decreases in ejection fraction did not occur. CONCLUSION Liposomal doxorubicin has substantial activity against ovarian cancer refractory to platinum and paclitaxel. The responses achieved with liposomal doxorubicin were durable and maintained with minimal toxicity. This liposomal formulation should be evaluated further in combination with other drugs in less refractory patients.

Gemcitabine Plus Carboplatin Compared With Carboplatin in Patients With Platinum-Sensitive Recurrent Ovarian Cancer: An Intergroup Trial of the AGO-OVAR, the NCIC CTG, and the EORTC GCG

2006 ◽  
Vol 24 (29) ◽  
pp. 4699-4707 ◽  
Author(s):  
Jacobus Pfisterer ◽  
Marie Plante ◽  
Ignace Vergote ◽  
Andreas du Bois ◽  
Hal Hirte ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Ovarian Cancer ◽  
Response Rate ◽  
Single Agent ◽  
Advanced Ovarian Cancer ◽  
Progression Free Survival ◽  
Recurrent Ovarian Cancer ◽  
Primary Objective ◽  
Platinum Sensitive

Purpose Most patients with advanced ovarian cancer develop recurrent disease. For those patients who recur at least 6 months after initial therapy, paclitaxel platinum has shown a modest survival advantage over platinum without paclitaxel; however, many patients develop clinically relevant neurotoxicity, frequently resulting in treatment discontinuation. Thus, an alternative regimen without significant neurotoxicity was evaluated by comparing gemcitabine plus carboplatin with single-agent carboplatin in platinum-sensitive recurrent ovarian cancer patients. Methods Patients with platinum-sensitive recurrent ovarian cancer were randomly assigned to receive either gemcitabine plus carboplatin or carboplatin alone, every 21 days. The primary objective was to compare progression-free survival (PFS). Results Three hundred fifty-six patients (178 gemcitabine plus carboplatin; 178 carboplatin) were randomly assigned. Patients received a median of six cycles in both arms. With a median follow-up of 17 months, median PFS was 8.6 months (95% CI, 7.9 to 9.7 months) for gemcitabine plus carboplatin and 5.8 months (95% CI, 5.2 to 7.1 months) for carboplatin. The hazard ration (HR) for PFS was 0.72 (95% CI, 0.58 to 0.90; P = .0031). Response rate was 47.2% (95% CI, 39.9% to 54.5%) for gemcitabine plus carboplatin and 30.9% (95% CI, 24.1% to 37.7%) for carboplatin (P = .0016). The HR for overall survival was 0.96 (95% CI, 0.75 to1.23; P = .7349). While myelosuppression was significantly more common in the combination, sequelae such as febrile neutropenia or infections were uncommon. No statistically significant differences in quality of life scores between arms were noted. Conclusion Gemcitabine plus carboplatin significantly improves PFS and response rate without worsening quality of life for patients with platinum-sensitive recurrent ovarian cancer.

Gefitinib plus celecoxib in chemotherapy-naïve patients with stage IIIB/IV non-small cell lung cancer (NSCLC): A phase II study from the Hoosier Oncology Group

2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 7066-7066 ◽  
Author(s):  
A. K. Agarwala ◽  
L. Einhorn ◽  
W. Fisher ◽  
D. Bruetman ◽  
J. McClean ◽  
...  
Keyword(s):  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Day Treatment ◽  
Single Agent ◽  
Progression Free Survival ◽  
Primary Objective ◽  
Stage Iiib ◽  
Never Smokers ◽  
Ecog Ps

7066 Background: Gefitinib, an inhibitor of the epidermal growth factor receptor (EGFR) pathway, has single agent activity in NSCLC. Preclinical studies demonstrate significant interactions between the EGFR and cyclo-oxygenase 2 (COX-2) pathways and that simultaneous inhibition against NSCLC may have benefits over gefitinib alone. Methods: Eligibility required that pts were chemotherapy-naïve, had stage IIIb (with pleural effusion) or IV NSCLC and an ECOG PS 0–1. Pts received gefitinib 250mg orally daily plus celecoxib 400mg orally every 12 hours. Cycles consisted of 21 day treatment and continued until unacceptable toxicity or progression of disease. The primary objective of this single arm, two-stage, phase II study was to evaluate the overall response rate. If ≤ 10 out of 30 pts achieved a complete (CR) or partial response (PR), the study would be stopped early. If >10 out of 30 pts had a CR or PR, enrollment would continue to 50 pts. Results: From 1/04 to 11/04, 31 pts were enrolled: male/female 13/18; median age 70.8 years (range, 19–93); 67.7% had adenocarcinoma; ECOG PS 0/1 13/18; stage IIIb/IV 2/29; 5 were current smokers, 9 were remote (>30 years) or never smokers, 16 quit smoking > 3 months ago. Median number of cycles was 4 (range, 0–16). 6 pts (19.4%) discontinued therapy due to toxicity, including 3 who died due to treatment. Select grade 3/4 toxicities included: pulmonary (6.5%), hepatic (6.5%), diarrhea (6.5%), skin (3.2%). Responses included PR 5 (16.1%), stable disease 8 (25.8%), and progressive disease 18 (58.1%). Median duration of response, progression free survival, and overall survival was 5.7, 2.8, and 7.2 months, respectively. All responders were females with adenocarcinoma, 2 were remote or never smokers and 3 were former smokers. Conclusion: Gefitinib plus celecoxib in an unselected population of chemotherapy naïve patients with advanced NSCLC and a PS of 0–1 has a lower response rate and overall efficacy compared with historical controls of chemotherapy. [Table: see text]

Anti-LeY monoclonal antibody (mAb) hu3S193 as consolidation therapy for patients (pts) with relapsing platinum sensitive ovarian cancer (OC) after achieving a second complete response (2CR).

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e17039-e17039
Author(s):  
Oren Smaletz ◽  
Gustavo Ismael ◽  
Maria Del Pilar Estevez-Diz ◽  
Ivana Lucia Oliveira Nascimento ◽  
Ana Luiza Gomes de Morais Wiermann ◽  
...  
Keyword(s):  
Phase Ii ◽  
Phase Ii Study ◽  
Unmet Need ◽  
Progression Free Survival ◽  
Complete Response ◽  
Tumor Burden ◽  
Ca 125 ◽  
Good Tolerance ◽  
Platinum Sensitive ◽  
Grade 3

e17039 Background: Lewis-Y (LeY) antigen is a blood group related antigen expressed in 75% of OC. hu3S193 is a humanized anti-LeY IgG1 mAb with strong complement and antibody dependent cytotoxicity with clinical benefit shown in a phase II study in pts with platinum-resistant OC and small tumor burden. Improving progression free survival (PFS) in pts who achieve a 2CR is an unmet need. Methods: This phase II study accrued pts with relapsed OC, LeY expression by IHC, and a KPS ≥ 70% who had achieved a 2CR after 5-8 cycles of platinum doublet chemotherapy (chemoRx). Patients received intravenous infusions of hu3S193, 30mg/m2every 2 weeks starting ≤ 8 weeks after the last dose of chemoRx and continuing for 12 doses (24 weeks) or until disease progression or unacceptable toxicity. Primary endpoint was PFS with a sample size calculated to detect a 50% increase in PFS, compared to a historical value of 10.8 months. Secondary objectives were safety and pharmacokinetics (PK). Results: 29 pts were enrolled. Median age: 55 yrs (range 29-67); Median KPS: 90% (range 80-100); LeY expression by IHC (N): strong (20), weak (9); stage at initial diagnosis: I/II (2), III/IV (27); median CA-125 prior to 2CR chemoRx: 104 (range 9-514); chemoRx agents to achieve 2CR: paclitaxel/platin (21), liposomal doxo/carboplatin (8); median cycles of prior chemoRx to achieve a 2CR:6; median doses of hu3S193 delivered: 10 (range 10-12). Evaluable pts: 28 (1 pt did not have 2CR); median PFS: 11.8 months (95% CI: 10.6-13.9) while 3 pts achieved PFS of 25+ months. Grade 4 toxicities observed: none. Most frequent toxicities (any grade/grade 3): Nausea (16/2), Vomiting (15/3), Hypersensitivity (9/0). PK data will be presented. Conclusions: Despite the good tolerance and the longer PFS compared to historical control, this trial did not show a significant improvement with hu3S193 as a consolidative strategy in patients with 2CR in platinum-sensitive OC. Tumor molecular analysis of patients with long PFS may provide insight for future studies. Clinical trial information: NCT01137071.

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