Trial Outcomes & Findings for Sintilimab in Cancer of Unknown Primary (NCT NCT05024968)

NCT ID: NCT05024968

Last Updated: 2026-02-25

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

10 participants

Primary outcome timeframe

1 year

Results posted on

2026-02-25

Participant Flow

Recruitment was at MD Anderson Cancer Center

Participants were eligible if they were refractory or intolerant to one line of systemic therapy or had a contraindication for cytotoxic chemotherapy.

Participant milestones

Participant milestones
Measure
Sintilimab 200 mg IV Every 3 Weeks
Participants with unresectable, locally advanced, recurrent or metastatic Cancer of Unknown Primary (CUP)
Overall Study
STARTED
10
Overall Study
COMPLETED
10
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Sintilimab in Cancer of Unknown Primary

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sintilimab 200 mg IV Every 3 Weeks
n=10 Participants
Participants with unresectable, locally advanced, recurrent or metastatic Cancer of Unknown Primary (CUP)
Age, Categorical
<=18 years
0 Participants
n=24 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
n=24 Participants
Age, Categorical
>=65 years
7 Participants
n=24 Participants
Sex: Female, Male
Female
3 Participants
n=24 Participants
Sex: Female, Male
Male
7 Participants
n=24 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=24 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
9 Participants
n=24 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=24 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=24 Participants
Race (NIH/OMB)
Asian
0 Participants
n=24 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=24 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=24 Participants
Race (NIH/OMB)
White
9 Participants
n=24 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=24 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=24 Participants
Region of Enrollment
United States
10 participants
n=24 Participants

PRIMARY outcome

Timeframe: 1 year

Outcome measures

Outcome measures
Measure
Sintilimab 200 mg IV Every 3 Weeks
n=10 Participants
Participants with unresectable, locally advanced, recurrent or metastatic Cancer of Unknown Primary (CUP)
Confirmed Objective Response Rate (cORR) by RECISTv1.1
40 percentage of participants
Interval 12.2 to 73.2

SECONDARY outcome

Timeframe: 1 year

Outcome measures

Outcome measures
Measure
Sintilimab 200 mg IV Every 3 Weeks
n=10 Participants
Participants with unresectable, locally advanced, recurrent or metastatic Cancer of Unknown Primary (CUP)
Progression-free Survival (PFS)
4.4 months
Interval 2.0 to 25.4

SECONDARY outcome

Timeframe: 1 year

Outcome measures

Outcome measures
Measure
Sintilimab 200 mg IV Every 3 Weeks
n=10 Participants
Participants with unresectable, locally advanced, recurrent or metastatic Cancer of Unknown Primary (CUP)
Overall Survival (OS)
25.4 months
Interval 4.0 to 27.4

Adverse Events

Sintilimab 200 mg IV Every 3 Weeks

Serious events: 0 serious events
Other events: 3 other events
Deaths: 5 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Sintilimab 200 mg IV Every 3 Weeks
n=10 participants at risk
Participants with unresectable, locally advanced, recurrent or metastatic Cancer of Unknown Primary (CUP)
Infections and infestations
Sepsis
20.0%
2/10 • 1 year
Blood and lymphatic system disorders
Leukocytosis
10.0%
1/10 • 1 year

Additional Information

Dr. Kanwal Raghav

The University of Texas MD Anderson Cancer Center

Phone: (917) 733-0356

Results disclosure agreements

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