
OPDIVO Qvantig™ (nivolumab + hyaluronidase-nvhy) is approved as a subcutaneous injection
In the 1L treatment of mUGI Cancer
New Follow-Up Data in Checkmate 649
IN THE 1L TREATMENT OF PATIENTS EXPRESSING PD-L1 ≥1 IN mUGI CANCERS*†
STAND ON SOLID GROUND
with OPDIVO®
OPDIVO + chemo1‡:
Durable 5-year overall survival data in GC/GEJC/EAC2§
Longest follow-up survival data in GC
vs chemoII for any I-O–based regimen2¶
‡Fluoropyrimidine- and platinum-containing chemo.1 §Based on Checkmate 649 5-year follow-up analysis (minimum follow-up 60.1 months). In PD-L1 CPS ≥5, mOS was 14.4 mos (95% CI: 13.1–16.2) with OPDIVO + chemo vs 11.1 mos (95% CI: 10.1–12.1) with chemo alone (HR=0.71; 95% CI: 0.61–0.81). In PD-L1 CPS ≥1, mOS was 13.8 mos (95% CI: 12.4–14.8) with OPDIVO + chemo vs 11.4 mos (95% CI: 10.7–12.3) with chemo alone (HR=0.76; 95% CI: 0.67–0.85). At primary analysis (minimum 12.1-month follow-up), mOS in PD-L1 CPS ≥1 was 14.0 mos (95% CI: 12.6–15.0) with OPDIVO + chemo vs 11.3 mos (95% CI: 10.6–12.3) with chemo alone (HR=0.77; 95% CI: 0.68–0.88; P<0.0001).1,3 IIChemo with placebo or other agents. ¶Based on median follow-up of 71.3 months (minimum 60.1 months) in Checkmate 649.2,4 #In Checkmate 648, based on a 13.0-month primary analysis, mOS in PD-L1 TC ≥1% was 15.4 mos (95% CI: 11.9–19.5) with OPDIVO + chemo vs 9.1 mos (95% CI: 7.7–10.0) with chemo alone (HR=0.54; 95% CI: 0.41–0.71; P<0.0001). At 4-year follow-up (minimum follow-up 45.1 months), mOS in PD-L1 TC ≥1 was 15.0 mos (95% CI: 11.9–18.7) with OPDIVO + chemo vs 9.1 mos (95% CI: 7.7–10.0) with chemo alone; (HR=0.60; 95% CI: 0.47–0.77).1,4,5
CHECKMATE 649
*OPDIVO® (nivolumab), in combination with fluoropyrimidine- and platinum-containing chemotherapy, is indicated for the treatment of adult patients with advanced or metastatic gastric cancer, gastroesophageal junction cancer, and esophageal adenocarcinoma whose tumors express PD-L1 (≥1%).
CHECKMATE 648
†OPDIVO, in combination with fluoropyrimidine- and platinum-containing chemotherapy, is indicated for the first-line treatment of adult patients with unresectable advanced or metastatic esophageal squamous cell carcinoma (ESCC) whose tumors express PD-L1 (≥1%).
1L=first-line; CI=confidence interval; CPS=combined positive score; EAC=esophageal adenocarcinoma; GC=gastric cancer; GEJC=gastroesophageal junction cancer; HR=hazard ratio; I-O=immuno-oncology; mOS=median overall survival; mos=months; mUGI=metastatic upper gastrointestinal; PD-L1=programmed death-ligand 1; TC=tumor cell.
Explore data to learn about OPDIVO + chemo* as a treatment
option in certain metastatic UGI cancers1
*Fluoropyrimidine- and platinum-containing chemotherapy.1 In Checkmate 649: OPDIVO + FOLFOX and OPDIVO + CapeOx; in Checkmate 648: OPDIVO + cisplatin and 5-FU.1
5-FU=5-fluorouracil; CapeOx=capecitabine and oxaliplatin.
CHECKMATE 649: IN PATIENTS EXPRESSING PD-L1 CPS ≥1 WITH ADVANCED OR METASTATIC NON-HER2+ GASTRIC CANCER, GEJ, AND ESOPHAGEAL
ADENOCARCINOMAS
OPDIVO was studied in combination with FOLFOX* or CapeOx1,6
- In Checkmate 649, in the OPDIVO + chemotherapy arm, patients who discontinued chemotherapy were permitted to receive OPDIVO monotherapy at 240 mg q2w, 360 mg q3w, or 480 mg q4w up to 2 years after treatment initiation1
- The trial excluded patients who were known HER2+ or had untreated CNS metastases1
- Tumor specimens were evaluated prospectively using the PD-L1 IHC 28-8 pharmDx assay at a central laboratory1
- The efficacy analysis in patients with PD-L1 CPS ≥5 included 473 patients in the OPDIVO + FOLFOX or CapeOx arm and 482 patients in the FOLFOX or CapeOx arm1
- Minimum follow-up at primary analysis was 12.1 months; minimum follow-up at extended analysis was 60.1 months1,3
*mFOLFOX6 (leucovorin, fluorouracil, and oxaliplatin) regimen was given in Checkmate 649.1
†Assessed using blinded independent central review (BICR).1
‡Based on confirmed response.
CapeOx=capecitabine and oxaliplatin; CNS=central nervous system; ECOG PS=Eastern Cooperative Oncology Group Performance Status; FDA=US Food and Drug Administration; GEJ=gastroesophageal junction; HER2=human epidermal growth factor receptor 2; IHC=immunohistochemistry; IV=intravenous; ORR=overall response rate; OS=overall survival; PFS=progression-free survival; q2w=every 2 weeks; q3w=every 3 weeks; q4w=every 4 weeks; ROW=rest of world; UGI=upper gastrointestinal.
Durable survival* with OPDIVO + FOLFOX or CapeOx at 5 years1,2
MEDIAN OVERALL SURVIVAL* IN THE PD-L1 CPS ≥1 POPULATION (SECONDARY ENDPOINT,
EXTENDED FOLLOW-UP ANALYSIS)1,2
LIMITATION: The 60-month follow-up analyses were not statistically powered and cannot detect differences between treatment arms.2,5
Primary analysis (12.1-month minimum follow-up): secondary endpoints in PD-L1 CPS ≥1 population (n=1296)1
- mOS: 14.0 mos (95% CI: 12.6–15.0) with OPDIVO + FOLFOX or CapeOx vs 11.3 mos (95% CI: 10.6–12.3) with chemotherapy† alone (HR=0.77; 95% CI: 0.68–0.88; P<0.0001)1
- mPFS‡: 7.5 mos (95% CI: 7.0–8.4) with OPDIVO + FOLFOX or CapeOx vs 6.9 mos (95% CI: 6.1–7.0) with chemotherapy† alone (HR=0.74; 95% CI: 0.65–0.85; P=NE)1
Primary analysis: dual primary endpoints in the PD-L1 CPS ≥5 population (n=955)1
- mOS: 14.4 mos (95% CI: 13.1–16.2) with OPDIVO + FOLFOX or CapeOx vs 11.1 mos (95% CI: 10.0–12.1) with chemotherapy† alone (HR=0.71; 95% CI: 0.61–0.83; P<0.0001)1
- mPFS‡: 7.7 mos (95% CI: 7.0–9.2) with OPDIVO + FOLFOX or CapeOx vs 6.0 mos (95% CI: 5.6–6.9) with chemotherapy† alone (HR=0.68; 95% CI: 0.58–0.79; P<0.0001)1
Extended follow-up at 5 years2
- mOS in PD-L1 CPS ≥1: 13.8 mos (95% CI: 12.4–14.8) with OPDIVO + FOLFOX or CapeOx vs 11.4 mos (95% CI: 10.7–12.3) with chemotherapy† alone (HR=0.76; 95% CI: 0.67–0.85)2
- mPFS‡ in PD-L1 CPS ≥1: 7.5 mos (95% CI: 7.0–8.5) with OPDIVO + FOLFOX or CapeOx vs 6.9 mos (95% CI: 6.2–7.1) with chemotherapy† alone (HR=0.77; 95% CI: 0.68–0.87)1
- mOS in PD-L1 CPS ≥5: 14.4 mos (95% CI: 13.1–16.2) with OPDIVO + FOLFOX or CapeOx vs 11.1 mos (95% CI: 10.1–12.1) with chemotherapy† alone (HR=0.71; 95% CI: 0.61–0.81)2
- mPFS‡ in PD-L1 CPS ≥5: 8.3 mos (95% CI: 7.0–9.4) with OPDIVO + FOLFOX or CapeOx vs 6.1 mos (95% CI: 5.6–6.9) with chemotherapy† alone (HR=0.71; 95% CI: 0.61–0.82)2
*Vs chemotherapy alone.1
†FOLFOX or CapeOx.1
‡Assessed using blinded independent central review (BICR).1
mPFS=median progression-free survival.
Select Important Safety Information
Serious Adverse Reactions
In Checkmate 649, serious adverse reactions occurred in 52% of patients treated with OPDIVO in combination with chemotherapy (n=782). The most frequent serious adverse reactions reported in ≥2% of patients treated with OPDIVO in combination with chemotherapy were vomiting (3.7%), pneumonia (3.6%), anemia (3.6%), pyrexia (2.8%), diarrhea (2.7%), febrile neutropenia (2.6%), and pneumonitis (2.4%). Fatal adverse reactions occurred in 16 (2.0%) patients who were treated with OPDIVO in combination with chemotherapy; these included pneumonitis (4 patients), febrile neutropenia (2 patients), stroke (2 patients), gastrointestinal toxicity, intestinal mucositis, septic shock, pneumonia, infection, gastrointestinal bleeding, mesenteric vessel thrombosis, and disseminated intravascular coagulation.
Please see additional Important Safety Information below.
49% of patients receiving OPDIVO + FOLFOX or CapeOx responded, and 11% were complete responders based on a 5-year follow-up analysis1,2,7
ORR*† IN PD-L1 CPS ≥12,7§
Primary analysis (12.1-month follow-up) in patients with PD-L1 CPS ≥11*†
- ORR‡: 49% (314/641) with OPDIVO + FOLFOX or CapeOx (95% CI: 45–53) vs 38% (249/655) with chemotherapy§ alone (95% CI: 34–42)
- CR: 10% (65/641) with OPDIVO + FOLFOX or CapeOx vs 6% (42/655) with chemotherapy§ alone
- PR: 39% (249/641) with OPDIVO + FOLFOX or CapeOx vs 32% (207/655) with chemotherapy§ alone
- mDORII: 8.5 mos (95% CI: 7.7–10.3; range 1.1+ to 29.6+) with OPDIVO + FOLFOX or CapeOx and 6.9 mos (95% CI: 5.8–7.6; range 1.2+ to 30.8+ mos) with chemotherapy§ alone
*Assessed using the blind independent central review (BICR).1
†Based on confirmed response.1
‡Secondary endpoint.5
§FOLFOX or CapeOx.1
IIAn exploratory endpoint.5
CR=complete response; ITT=intention to treat; mDOR=median duration of response; PR=partial response; RECIST=Response Evaluation Criteria in Solid Tumors.
Select Important Safety Information
Common Adverse Reactions
In Checkmate 649, the most common adverse reactions (≥20%) in patients treated with OPDIVO in combination with chemotherapy (n=782) were peripheral neuropathy (53%), nausea (48%), fatigue (44%), diarrhea (39%), vomiting (31%), decreased appetite (29%), abdominal pain (27%), constipation (25%), and musculoskeletal pain (20%).
Please see additional Important Safety Information below.
Synchronized dosing options with your preferred chemo* (including both FOLFOX and CapeOx)8†
OPDIVO is still available as an IV infusion. View OPDIVO IV dosing schedule >
OPDIVO QVANTIG WITH FLUOROPYRIMIDINE- AND PLATINUM-CONTAINING CHEMOTHERAPY
INDICATION OPDIVO Qvantig (nivolumab + hyaluronidase-nvhy), as monotherapy, is indicated for the adjuvant treatment of completely resected esophageal or gastroesophageal junction cancer with residual pathologic disease in adult patients who have received neoadjuvant chemoradiotherapy (CRT).
INDICATION OPDIVO QVANTIG, in combination with fluoropyrimidine- and platinum-containing chemotherapy, is indicated for the treatment of adult patients with advanced or metastatic gastric cancer, gastroesophageal junction cancer, and esophageal adenocarcinoma whose tumors express PD-L1 (≥1).
- OPDIVO Qvantig is administered as a 3- to 5-minute subcutaneous injection8
- The recommended dose of OPDIVO Qvantig8
- 600 mg nivolumab/10,000 units hyaluronidase q2w with fluoropyrimidine- and platinum-containing chemotherapy q2w, or
- 900 mg nivolumab/15,000 units hyaluronidase q3w with fluoropyrimidine- and platinum-containing chemotherapy q3w
- Refer to the respective Prescribing Information for each therapeutic agent administered in combination with OPDIVO Qvantig for the recommended dosage and administration information, as appropriate
*Fluoropyrimidine- and platinum-containing chemotherapy.1,8
†FOLFOX and CapeOx can be synchronized when used q2w and q3w, respectively.1,8

CHECKMATE 648: IN THE 1L TREATMENT OF ADULT PATIENTS EXPRESSING PD-L1 CPS ≥1 WITH METASTATIC ESOPHAGEAL SQUAMOUS CELL CARCINOMA
The largest phase 3 trial in 1L metastatic ESCC1,7*
- Patients were also randomized to an experimental arm studying OPDIVO 3 mg/kg q2w in combination with ipilimumab 1 mg/kg q6w1§
- ||In patients who received OPDIVO in combination with chemotherapy and in whom either fluorouracil and/or cisplatin were discontinued, other components of the treatment regimen were allowed to be continued. Patients who discontinued combination therapy because of an adverse reaction attributed to ipilimumab were permitted to continue OPDIVO as a single agent1
- Tumor cell (TC), also called PD-L1 tumor proportion score (TPS), was evaluated using the PD-L1 IHC 28-8 pharmDx assay1
- The efficacy analysis in patients with TC PD-L1 ≥1% included 158 patients in the OPDIVO + chemotherapy arm, 158 patients in the OPDIVO + ipilimumab arm, and 157 patients in the chemotherapy arm1
- The trial excluded patients with brain metastasis that were symptomatic, had active autoimmune disease, used systemic corticosteroids or immunosuppressants, or patients at high risk of bleeding or fistula due to apparent invasion of tumor to organs adjacent to the esophageal tumor1
- Minimum follow-up at primary analysis was 12.9 months; minimum follow-up at extended follow-up analysis was 45.1 months1,3
*Checkmate 648 included a third arm: OPDIVO 3 mg/kg IV q2w + ipilimumab 1 mg/kg IV q6w; n=325. The trial was not designed to compare OPDIVO + chemotherapy to OPDIVO + ipilimumab. Please refer to the full U.S. Prescribing Information for further information.1,7
†OPDIVO 240 mg IV on Days 1 and 15 of a 4-week cycle.1
‡Fluorouracil 800 mg/m2/day IV on Days 1 through 5 (for 5 days) and cisplatin 80 mg/m2 IV on day 1 (of a 4-week cycle).1
§Patients could receive OPDIVO plus ipilimumab until disease progression, unacceptable toxicity, or up to 2 years.1
¶Assessed using blinded independent central review (BICR).1
1L=first-line; CPS=combined positive score; ECOG PS=Eastern Cooperative Oncology Group Performance Status; IHC=immunohistochemistry; IV=intravenous; ORR=overall response rate; OS=overall survival; PD-L1=programmed death-ligand 1; PFS=progression-free survival; ROW=rest of world; q2w=every 2 weeks; q4w=every 4 weeks; q6w=every 6 weeks.
Durable survival* with OPDIVO + chemotherapy† at 45 months1,3‡
MEDIAN OVERALL SURVIVAL IN PD-L1 CPS ≥1% (EXPLORATORY ANALYSIS)1,3,7,§
§LIMITATIONS:
- The 45-month follow-up analysis was not statistically powered and cannot detect differences between treatment arms
- PD-L1 CPS ≥1 outcomes were an exploratory post-hoc analysis and not evaluated for statistical significance
Dual primary endpoints in the PD-L1 TC ≥1% population (n=315)1
- mOS: 15.4 months (95% CI: 11.9–19.5) with OPDIVO + chemotherapy† vs 9.1 months (95% CI: 7.7–10.0) with chemotherapy† alone (HR=0.54; 95% CI: 0.41–0.71); P<0.0001
- mPFS§: 6.9 months (95% CI: 5.7–8.3) with OPDIVO + chemotherapy† vs 4.4 months (95% CI: 2.9–5.8) with chemotherapy† alone (HR=0.65; 95% CI: 0.49–0.86); P=0.0023)
31% reduction in the risk of death with OPDIVO + chemotherapy† vs chemotherapy1
Extended follow-up at 45 months3
- mOS in PD-L1 TC ≥1%: 15.0 months (95% CI: 11.9–18.7) with OPDIVO + chemotherapy† vs 9.1 months (95% CI: 7.7–10.0) with chemotherapy† alone (HR=0.60; 95% CI: 0.47–0.77)
- mPFS|| in PD-L1 TC ≥1%: 6.8 months (95% CI: 5.7–8.3) with OPDIVO + chemotherapy† vs 4.4 months (95% CI: 2.9–5.8) with chemotherapy† alone (HR=0.67; 95% CI: 0.51–0.89)
- Exploratory analysis in the PD-L1 CPS ≥1 population (n=558)1 mOS: 13.8 mos (95% CI: 12.0–16.1) with OPDIVO + chemotherapy† vs 9.8 mos (95% CI: 8.8–11.6) with chemotherapy† alone; HR=0.69 (95% CI: 0.57–0.85); P=0.0003
- mPFS||: 5.8 mos (95% CI: 5.5–7.0) with OPDIVO + chemotherapy† vs 5.6 mos (95% CI: 4.2–5.9) with chemotherapy† alone; HR=0.80 (95% CI: 0.70–1.00); P=0.0247
- Extended follow-up at 45.1 months in the PD-L1 CPS ≥1 population3 mOS: 13.7 mos (95% CI: 11.8–16.1) with OPDIVO + chemotherapy† vs 9.9 mos (95% CI: 8.9–11.6) with chemotherapy† alone; HR=0.74 (95% CI: 0.62–0.89)
- mPFS||: 5.8 mos (95% CI: 5.5–7.0) with OPDIVO + chemotherapy† vs 5.6 mos (95% CI: 4.2–6.1) with chemotherapy† alone; HR=0.81 (95% CI: 0.66–0.99)
*Vs chemotherapy alone.1
†Fluorouracil and cisplatin.1
‡Minimum follow-up 45.1 months.3
||Assessed using blinded independent central review (BICR).1
CI=confidence interval; HR=hazard ratio; mOS=median overall survival; mPFS=median progression-free survival; NS=not significant.
Select Important Safety Information
Serious Adverse Reactions
In Checkmate 648, serious adverse reactions occurred in 62% of patients receiving OPDIVO in combination with chemotherapy (n=310). The most frequent serious adverse reactions reported in ≥2% of patients who received OPDIVO with chemotherapy were pneumonia (11%), dysphagia (7%), esophageal stenosis (2.9%), acute kidney injury (2.9%), and pyrexia (2.3%). Fatal adverse reactions occurred in 5 (1.6%) patients who received OPDIVO in combination with chemotherapy; these included pneumonitis, pneumatosis intestinalis, pneumonia, and acute kidney injury.
Please see additional Important Safety Information below.
49% overall response rate and 16% complete response rate with OPDIVO + chemotherapy* at 45 months1,3†
ORR IN PD-L1 CPS ≥1 (EXPLORATORY ANALYSIS)3,8§
- LIMITATION: PD-L1 CPS ≥1 outcomes were an exploratory post-hoc analysis and not evaluated for statistical significance7
Exploratory analysis in PD-L1 CPS ≥1 (minimum follow-up 13.0 months)1‡§II
- ORR: 49% (135/278) with OPDIVO + chemotherapy* (95% CI: 43–55) vs 27% (76/280) with chemotherapy* alone (95% CI: 22–33)
- CR: 14% (39/278) with OPDIVO + chemotherapy* vs 6% (18/280) with chemotherapy* alone
- PR: 35% (96/278) with OPDIVO + chemotherapy* vs 21% (58/280) with chemotherapy* alone
- mDOR¶ in PD-L1 CPS ≥1: 8.2 mos (95% CI: 6.7–11.1; range 1.4+ to 35.9+) with OPDIVO + chemotherapy* vs 6.9 mos (95% CI: 5.7–8.2; range 1.4+ to 31.8+) with chemotherapy* alone1
In the primary analysis of PD-L1 ≥1%, ORR‡§ was 53% (95% CI: 45-61 [CR: 17%; PR 37%]) with OPDIVO + chemotherapy* vs 20% (95% CI: 14-27 [CR: 5%; PR 15%]) with chemotherapy alone. mDOR§|| was 8.4 mos (95% CI: 6.9-12.4; range: 1.4+ to 34.6+) with OPDIVO + chemotherapy* vs 5.7 mos (95% CI: 4.4-8.7; range: 1.4+ to 31.8+).
*Fluorouracil and cisplatin.1
†Minimum follow-up 45.1 months.3
‡Secondary endpoint.1
§Assessed using blinded independent central review (BICR).1
||An exploratory endpoint.7
BICR=blinded independent central review; CR=complete response; mDOR=median duration of response; PR=partial response; RECIST=Response Evaluation Criteria in Solid Tumors.
Select Important Safety Information
Common Adverse Reactions
In Checkmate 648, the most common adverse reactions (≥20%) in patients treated with OPDIVO in combination with chemotherapy (n=310) were nausea (65%), decreased appetite (51%), fatigue (47%), constipation (44%), stomatitis (44%), diarrhea (29%), and vomiting (23%).
Please see additional Important Safety Information below.
OPDIVO Qvantig offers faster* delivery dosing options to match your chemotherapy preferences8†
OPDIVO is still available as an IV infusion. View OPDIVO IV dosing schedule >
OPDIVO QVANTIG WITH FLUOROPYRIMIDINE- AND PLATINUM-CONTAINING CHEMOTHERAPY8
INDICATION OPDIVO QVANTIG, in combination with fluoropyrimidine- and platinum-containing chemotherapy, is indicated for the first-line treatment of adult patients with unresectable advanced or metastatic esophageal squamous cell carcinoma (ESCC) whose tumors express PD-L1 (≥1).
Limitations of Use: OPDIVO QVANTIG is not indicated in combination with ipilimumab for the treatment of patients with unresectable advanced or metastatic ESCC.
- OPDIVO Qvantig is administered as a 3- to 5-minute subcutaneous injection8
- The recommended dose of OPDIVO Qvantig8
- 600 mg nivolumab/10,000 units hyaluronidase q2w, or
- 1,200 mg nivolumab/20,000 units hyaluronidase q4w
- Administer OPDIVO Qvantig in combination with fluoropyrimidine- and platinum-containing chemotherapy
- Refer to the respective Prescribing Information for each therapeutic agent administered in combination with OPDIVO Qvantig for the recommended dosage information, as appropriate
*A 3-5 minute injection time of OPDIVO Qvantig compared to 30-minute infusion time of OPDIVO. This does not account for all aspects of treatment and does not include observation time. Actual clinic time may vary.
Safety Data
View a selected safety profile of adverse reactions seen in clinical trials.
Dosing Schedules
Find dosing information to get patients started on therapy.
More Gastroesophageal Indications
Learn more about other gastroesophageal indications across adjuvant and 1L metastatic settings.
References:
- OPDIVO [package insert]. Princeton, NJ: Bristol-Myers Squibb Company.
- Janjigian YY, Moehler M, Ajani JA, et al. Nivolumab plus chemotherapy vs chemotherapy as first-line treatment for advanced gastric cancer/gastroesophageal junction cancer/esophageal adenocarcinoma: 5-year follow-up results from CheckMate 649. Oral presentation at ASCO GI 2025. Abstract 398.
- Data on file. BMS-REF-NIVO-0331. Princeton, NJ: Bristol-Myers Squibb Company; 2025.
- Chau I, Ajani J, Kitagawa Y, et al. Nivolumab plus chemotherapy or ipilimumab vs chemotherapy as first-line treatment for advanced esophageal squamous cell carcinoma: 45-month follow-up from CheckMate 648. Poster presentation at ASCO 2024. Poster 4034.
- Doki Y, Ajani JA, Kato K, et al. Nivolumab combination therapy in advanced esophageal squamous-cell carcinoma. N Engl J Med. 2022;386(5):449-462.
- Janjigian YY, Shitara K, Moehler M, et al. First-line nivolumab plus chemotherapy versus chemotherapy alone for advanced gastric, gastro-oesophageal junction, and oesophageal adenocarcinoma (CheckMate 649): a randomised, open-label, phase 3 trial. Lancet. 2021;398(10294):27-40.
- Data on file. BMS-REF-0207. Princeton, NJ: Bristol-Myers Squibb Company; 2023.
- OPDIVO Qvantig [package insert]. Princeton, NJ: Bristol-Myers Squibb Company.