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Phase 2 Study of Ipilimumab Plus Dacarbazine in Japanese Patients With Advanced Melanoma

Phase 2 Study of Ipilimumab Plus Dacarbazine in Japanese Patients With Previously Untreated Unresectable or Metastatic Melanoma

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01681212
Enrollment
21
Registered
2012-09-07
Start date
2012-10-31
Completion date
2014-05-31
Last updated
2015-06-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Melanoma

Brief summary

The purpose of this study is to determine the survival rate after 1 year of treatment with ipilimumab plus dacarbazine in patients with previously untreated Stage III (unresectable) or Stage IV melanoma.

Interventions

DRUGIpilimumab
DRUGDacarbazine

Sponsors

Bristol-Myers Squibb
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Key inclusion criteria: * Japanese patients with histologic diagnosis of malignant melanoma * Previously untreated Stage III with N3 (unresectable) or Stage IV melanoma * Prior adjuvant melanoma therapy permitted * Eastern Cooperative Oncology Group performance status of 0 or 1 * Life expectancy of at least 16 weeks in this study * Adequate bone marrow and renal and hepatic function, specifically: * white blood cell count ≥2500/uL, absolute neutrophil count ≥1000/uL, platelet count ≥75,000/uL, hemoglobin level ≥9.0 g/dL, creatinine level ≤2.5\*upper limit of normal (ULN), aspartate transaminase/alanine transaminase level \<2.5\*ULN for patients without liver metastasis and \<5\*ULN for patients with liver metastasis, total bilirubin level \<1.5\*ULN (for those with Gilbert's Syndrome, lower than 3.0 mg/dL) Key

Exclusion criteria

* Evidence of brain metastases on brain imaging * Active brain metastases with symptoms or requiring corticosteroid treatment; patients with any other malignancy from which they have been disease-free for fewer than 5 years, with the exception of adequately treated and cured basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the cervix * Primary ocular or mucosal melanoma * History of or current active autoimmune disease * History or concurrent disease of gastrointestinal perforations * HIV infection; active Hepatitis B or C or human T-lymphotropic virus type1 infection, based on testing performed during the screening period of this study * Prior or concomitant therapy with any anticancer agent for melanoma, or other investigational anticancer therapies * Prior adjuvant therapy \<4 weeks prior to the start of study drug administration * Concomitant therapy with immunosuppressive agents, surgery, or radiotherapy * Prior treatment with CTLA-4 inhibitors/agonists or other experimental immunotherapy drugs * Treatment with other investigational products within 4 weeks prior to initial treatment of study drug

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants Surviving at 1 YearAt 1 year from start of study drugSurvival rate=percentage of participants surviving at 1 year following start of study drug. Every effort was made to collect survival data on all patients, including those withdrawn from treatment for any reason. If the death of a patient was not reported, the patient's last known alive date was recorded. Confidence intervals were computed using the Clopper-Pearson method.

Secondary

MeasureTime frameDescription
Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)First dose to 90 days following last dose of study drugirAEs are adverse events of unknown cause, consistent with an immune phenomenon, and considered to be causally related to drug exposure. Six subcategories of irAE are assessed: gastrointestinal, liver, skin, endocrine, neurologic, and other. The irAEs are programmatically determined from a predefined list of MedDRA terms. irAEs will be measured every 3 weeks in induction phase, every 6 weeks in Maintenance Phase to Week 48, and every 12 weeks until Progressive Disease. Grading criteria: Grade 1=Mild, Grade 2=Moderate, Grade 3=Severe, Grade 4=Life-threatening or disabling, Grade 5=Death.
Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsFirst dose to 90 days following last dose of study drug. All deaths were poststudy, occurring more than 90 days after the last dose of study drug.AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Related=having certain, probable, possible, or unknown relationship to study drug. Grade 1=mild; Grade 2=moderate; Grade 3=severe; Grade 4=life-threatening or disabling; Grade 5=death.

Countries

Japan

Participant flow

Pre-assignment details

A total of 21 participants were enrolled, and 15 received treatment.

Participants by arm

ArmCount
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2
During the Induction Period, participants received ipilimumab, 10 mg/kg, as tolerated by intravenous (IV) infusion as 1 single dose during Weeks 1 (Day 1), 4, 7, and 10 for a total of 4 separate doses. During the Maintenance Phase, participants received ipilimumab, 10 mg/kg, as tolerated by IV infusion every 12 weeks, beginning at Week 24, until disease progression or unacceptable toxicity occurred or the patient withdrew consent. Participants also received dacarbazine, 850 mg/m\^2, by IV infusion over 30 to 60 minutes, starting on Week 1 and repeated every 3 weeks until Week 22. Dacarbazine was dosed on the same day as ipilimumab, when applicable, after the ipilimumab dose.
15
Total15

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdministrative reason by sponsor1
Overall StudyNo longer met study criteria5

Baseline characteristics

CharacteristicIpilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2
Age, Continuous55.0 Years
STANDARD_DEVIATION 12.66
Age, Customized
65 and older
5 Participants
Age, Customized
Younger than 65
10 Participants
Eastern Cooperative Oncology Group (ECOG) Performance Status
0
13 Participants
Eastern Cooperative Oncology Group (ECOG) Performance Status
1
2 Participants
Female Age, Continuous47.2 Years
STANDARD_DEVIATION 13.26
Female age, customized
50 years and older
2 Participants
Female age, customized
Younger than 50 years
3 Participants
Height163.0 Centimeters
STANDARD_DEVIATION 9.28
M-stage at study entry
M0
1 Participants
M-stage at study entry
M1B
7 Participants
M-stage at study entry
M1C
7 Participants
Race/Ethnicity, Customized
Japanese
15 Participants
Race/Ethnicity, Customized
Other
0 Participants
Sex: Female, Male
Female
5 Participants
Sex: Female, Male
Male
10 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
15 / 15
serious
Total, serious adverse events
14 / 15

Outcome results

Primary

Percentage of Participants Surviving at 1 Year

Survival rate=percentage of participants surviving at 1 year following start of study drug. Every effort was made to collect survival data on all patients, including those withdrawn from treatment for any reason. If the death of a patient was not reported, the patient's last known alive date was recorded. Confidence intervals were computed using the Clopper-Pearson method.

Time frame: At 1 year from start of study drug

Population: All participants who received at least 1 dose of study drug.

ArmMeasureValue (NUMBER)
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Percentage of Participants Surviving at 1 Year66.7 Percentage of participants
Secondary

Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)

irAEs are adverse events of unknown cause, consistent with an immune phenomenon, and considered to be causally related to drug exposure. Six subcategories of irAE are assessed: gastrointestinal, liver, skin, endocrine, neurologic, and other. The irAEs are programmatically determined from a predefined list of MedDRA terms. irAEs will be measured every 3 weeks in induction phase, every 6 weeks in Maintenance Phase to Week 48, and every 12 weeks until Progressive Disease. Grading criteria: Grade 1=Mild, Grade 2=Moderate, Grade 3=Severe, Grade 4=Life-threatening or disabling, Grade 5=Death.

Time frame: First dose to 90 days following last dose of study drug

Population: All participants who received at least 1 dose of study drug

ArmMeasureGroupValue (NUMBER)
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)All Grade 3-4 irAEs11 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)Skin irAEs10 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)Liver irAEs12 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)Gastrointestinal irAEs6 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)Endocrine irAEs3 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)Neurologic irAEs0 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Participants With Grade 3-4 Immune-related Adverse Events (irAEs)Other irAEs2 Participants
Secondary

Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEs

AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Related=having certain, probable, possible, or unknown relationship to study drug. Grade 1=mild; Grade 2=moderate; Grade 3=severe; Grade 4=life-threatening or disabling; Grade 5=death.

Time frame: First dose to 90 days following last dose of study drug. All deaths were poststudy, occurring more than 90 days after the last dose of study drug.

Population: All participants who received at least 1 dose of study drug

ArmMeasureGroupValue (NUMBER)
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsRelated SAEs11 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsAEs leading to discontinuation9 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsDeaths5 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsSAEs14 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsRelated AEs leading to discontinuation9 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsAEs Grade 3-411 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsRelated AEs15 Participants
Ipilimumab, 10 mg/kg + Dacarbazine, 850 mg/m^2Number of Patients Who Died and Who Had Serious Adverse Events (SAEs), Treatment-related SAEs, Adverse Events (AEs) Leading to Discontinuation, Related AEs Leading to Discontinuation, Related AEs, Grade 3-4 AEs, and Related Grade 3-4 AEsRelated Grade 3-4 AEs11 Participants

Source: ClinicalTrials.gov · Data processed: Mar 15, 2026