Trial Outcomes & Findings for Study of Pembrolizumab and Olaparib in Bile Duct Cancer (NCT NCT04306367)

NCT ID: NCT04306367

Last Updated: 2025-02-17

Results Overview

The objective response rate (ORR) is the number of subjects with confirmed Partial Response or Complete Response according to RECIST 1.1, for target lesions assessed by Computed tomography (CT) Scan.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

14 participants

Primary outcome timeframe

up to 2 years

Results posted on

2025-02-17

Participant Flow

Participant milestones

Participant milestones
Measure
Experimental
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Overall Study
STARTED
14
Overall Study
COMPLETED
1
Overall Study
NOT COMPLETED
13

Reasons for withdrawal

Reasons for withdrawal
Measure
Experimental
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Overall Study
Progression of Disease
9
Overall Study
Adverse Event
3
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

Study of Pembrolizumab and Olaparib in Bile Duct Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Experimental
n=14 Participants
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
8 Participants
n=5 Participants
Age, Categorical
>=65 years
6 Participants
n=5 Participants
Sex: Female, Male
Female
10 Participants
n=5 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
13 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=5 Participants
Race (NIH/OMB)
White
9 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants

PRIMARY outcome

Timeframe: up to 2 years

Population: 1 subject only received 1 cycle, so was not included in ORR.

The objective response rate (ORR) is the number of subjects with confirmed Partial Response or Complete Response according to RECIST 1.1, for target lesions assessed by Computed tomography (CT) Scan.

Outcome measures

Outcome measures
Measure
Experimental
n=13 Participants
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Objective Response Rate (ORR)
2 Participants

SECONDARY outcome

Timeframe: 3 years

Duration of response (DOR), number of months from first response to progression.

Outcome measures

Outcome measures
Measure
Experimental
n=13 Participants
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Duration of Response
19.75 months
Interval 6.1 to 33.4

SECONDARY outcome

Timeframe: 3 years

Progression free survival (PFS) is the time from enrollment to progression or death from any cause.

Outcome measures

Outcome measures
Measure
Experimental
n=13 Participants
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Progression Free Survival (PFS)
5.45 months
Interval 1.25 to 7.82

SECONDARY outcome

Timeframe: 3 years

overall survival (OS) of subjects from the time of enrollment to death from any cause.

Outcome measures

Outcome measures
Measure
Experimental
n=13 Participants
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Overall Survival (OS)
7.21 months
Interval 4.5 to 13.77

SECONDARY outcome

Timeframe: 1 year

Number of participants with a treatment-related adverse events as assessed by an Investigator according to CTCAE v4.0

Outcome measures

Outcome measures
Measure
Experimental
n=13 Participants
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Safety and Tolerability
11 Participants

Adverse Events

Experimental

Serious events: 5 serious events
Other events: 13 other events
Deaths: 10 deaths

Serious adverse events

Serious adverse events
Measure
Experimental
n=14 participants at risk
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Investigations
Blood bilirubin increased
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Gastrointestinal disorders
Abdominal pain
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Infections and infestations
Vaginal infection
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Gastrointestinal disorders
Small intestinal obstruction
7.1%
1/14 • Number of events 2 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Blood and lymphatic system disorders
Anemia
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Vascular disorders
Thromboembolic event
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Psychiatric disorders
Psychiatric disorders - Other, specify
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.

Other adverse events

Other adverse events
Measure
Experimental
n=14 participants at risk
Pembrolizumab Q3W, IV infusion (day 1 of each 3 week cycle) Olaparib bid, Oral tablet continuously Pembrolizumab: 200 mg given intravenously. Olaparib: 300 mg given orally.
Blood and lymphatic system disorders
Anemia
50.0%
7/14 • Number of events 9 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Ear and labyrinth disorders
Ear pain
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Endocrine disorders
Adrenal insufficiency
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Gastrointestinal disorders
Abdominal pain
21.4%
3/14 • Number of events 4 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Gastrointestinal disorders
Constipation
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Gastrointestinal disorders
Diarrhea
21.4%
3/14 • Number of events 4 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Gastrointestinal disorders
Nausea
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
General disorders
Chills
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
General disorders
Fatigue
28.6%
4/14 • Number of events 5 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
General disorders
Fever
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
General disorders
Non-cardiac chest pain
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Infections and infestations
Hepatic infection
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Infections and infestations
Infections and infestations - Other, specify
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Infections and infestations
Papulopustular rash
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Infections and infestations
Urinary tract infection
7.1%
1/14 • Number of events 2 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Injury, poisoning and procedural complications
Fall
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
Alanine aminotransferase increased
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
Alkaline phosphatase increased
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
Blood bilirubin increased
21.4%
3/14 • Number of events 3 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
Creatinine increased
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
INR increased
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
Neutrophil count decreased
14.3%
2/14 • Number of events 5 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Investigations
Platelet count decreased
14.3%
2/14 • Number of events 4 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Metabolism and nutrition disorders
Anorexia
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Nervous system disorders
Dysphasia
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Psychiatric disorders
Agitation
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Respiratory, thoracic and mediastinal disorders
Cough
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Respiratory, thoracic and mediastinal disorders
Dyspnea
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Skin and subcutaneous tissue disorders
Pruritus
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.
Skin and subcutaneous tissue disorders
Rash maculo-papular
7.1%
1/14 • Number of events 1 • All AEs from the time of treatment through 30 days following cessation of study treatment and all AEs meeting serious criteria, from the time of treatment through 90 days following cessation of study treatment, or 30 days following cessation of study treatment if the participant initiates new anticancer therapy, whichever is earlier. Up to 2.5 years. All-Cause Mortality monitored up to 3 years.

Additional Information

Aiwu Ruth He, MD

Lombardi Comprehensive Cancer Center

Phone: 202-444-2223

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place