18 and older, female only, with Endometrial Neoplasms. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Clinical Benefit Response for PF-04691502Primary· 16 weeks from Cycle 1 Day 1
Clinical benefit response was defined as best overall response of complete response (CR), partial response (PR) or stable disease (SD) for at least 16 weeks from Cycle 1 Day 1 (C1D1) to the first time of disease progression. The outcome data table below presents the number of participants with clinical benefit response as "yes" or "no". On 09 Oct 2012, Pfizer decided to stop enrollment into PF-04691502. While tumor assessment for PF-04691502 was included as a listing in the final report, formal efficacy analysis for PF-04691502 was not performed.
Participants with "Yes" response
Group
Value
95% CI
PF-04691502 (PI3K Basal)
1
PF-04691502 (PI3K Activated)
0
Participants with "No" response
Group
Value
95% CI
PF-04691502 (PI3K Basal)
3
PF-04691502 (PI3K Activated)
11
Percentage of Participants With Clinical Benefit Response for PF-05212384Primary· 16 weeks from Cycle 1 Day 1
Clinical benefit response was defined as best overall response of complete response (CR), partial response (PR) or stable disease (SD) for at least 16 weeks from Cycle 1 Day 1 (C1D1) to the first time of disease progression. The primary analysis is based on the clinical benefit rate which is calculated as proportion of participants with a clinical benefit response relative to total number of response evaluable participants. Per RECIST v1.1 for target lesions: CR defined as disappearance of all target lesions; PR defined as \>=30% decrease in the sum of the longest diameter of target lesions; S
Group
Value
95% CI
PF-05212384 (PI3K Basal)
52.6
28.9 – 75.6
PF-05212384 (PI3K Activated)
26.3
9.1 – 51.2
PF-05212384 (PI3K Basal + Activated)
39.5
24.0 – 56.6
Objective Response for PF-04691502Secondary· Randomization to objective progression, death or last tumor assessment without progression (up to 12 months)
Objective response is defined as CR or PR. CR: Complete response: 2 or more objective statuses of CR a minimum of 4 weeks apart documented before PD. Partial response: 2 or more objective statuses of PR or better a minimum of 4 weeks apart documented before PD, but not qualifying as CR. Per RECIST v1.1 for target lesions: CR defined as disappearance of all target lesions; PR defined as \>=30% decrease in the sum of the longest diameter of target lesions. The outcome data table below presents the number of participants with objective response as "yes" or "no". On 09 Oct 2012, Pfizer decided to
Participants with "Yes" response
Group
Value
95% CI
PF-04691502 (PI3K Basal)
0
PF-04691502 (PI3K Activated)
0
Participants with "No" response
Group
Value
95% CI
PF-04691502 (PI3K Basal)
4
PF-04691502 (PI3K Activated)
11
Percentage of Participants With Objective Response for PF-05212384Secondary· Randomization to objective progression, death or last tumor assessment without progression (up to 12 months)
Objective response is defined as CR or PR. CR: Complete response: 2 or more objective statuses of CR a minimum of 4 weeks apart documented before PD. Partial response: 2 or more objective statuses of PR or better a minimum of 4 weeks apart documented before PD, but not qualifying as CR. Per RECIST v1.1 for target lesions: CR defined as disappearance of all target lesions; PR defined as \>=30% decrease in the sum of the longest diameter of target lesions.
Group
Value
95% CI
PF-05212384 (PI3K Basal)
21.1
6.1 – 45.6
PF-05212384 (PI3K Activated)
15.8
3.4 – 39.6
PF-05212384 (PI3K Basal + Activated)
18.4
7.7 – 34.3
Progression Free Survival for PF-04691502Secondary· From Cycle 1 Day 1 to objective progressive disease or death due to any cause whichever occurs first (up to 12 months)
PFS is defined as the time from the date of cycle 1 day 1 to the date that objective progressive disease is documented or death due to any cause, whichever occurs first. PFS was characterized in terms of the median. Approximate 95% confidence interval corresponding to this estimate was computed. Progression is defined using RECIST v1.1, as a 20% increase in the sum of the longest diameter of target lesions with a minimum absolute increase of 5 mm, or an unequivocal progression of non-target lesion, or the appearance of new lesions. On 09 Oct 2012, Pfizer decided to stop enrollment into PF-0469
Participant 1
Group
Value
95% CI
PF-04691502 (PI3K Basal)
1
PF-04691502 (PI3K Activated)
0
Participant 2
Group
Value
95% CI
PF-04691502 (PI3K Basal)
108
PF-04691502 (PI3K Activated)
0
Participant 3
Group
Value
95% CI
PF-04691502 (PI3K Basal)
50
PF-04691502 (PI3K Activated)
0
Participant 4
Group
Value
95% CI
PF-04691502 (PI3K Basal)
199
PF-04691502 (PI3K Activated)
0
Participant 5
Group
Value
95% CI
PF-04691502 (PI3K Basal)
0
PF-04691502 (PI3K Activated)
54
Participant 6
Group
Value
95% CI
PF-04691502 (PI3K Basal)
0
PF-04691502 (PI3K Activated)
55
Participant 7
Group
Value
95% CI
PF-04691502 (PI3K Basal)
0
PF-04691502 (PI3K Activated)
51
Participant 8
Group
Value
95% CI
PF-04691502 (PI3K Basal)
0
PF-04691502 (PI3K Activated)
1
Progression Free Survival for PF-05212384Secondary· From Cycle 1 Day 1 to objective progressive disease or death due to any cause whichever occurs first (up to 12 months)
PFS is defined as the time from the date of cycle 1 day 1 to the date that objective progressive disease is documented or death due to any cause, whichever occurs first. PFS was characterized in terms of the median. Approximate 95% confidence interval corresponding to this estimate was computed. Progression is defined using RECIST v1.1, as a 20% increase in the sum of the longest diameter of target lesions with a minimum absolute increase of 5 mm, or an unequivocal progression of non-target lesion, or the appearance of new lesions.
Group
Value
95% CI
PF-05212384 (PI3K Basal)
112.0
59.0 – 167.0
PF-05212384 (PI3K Activated)
89.0
56.0 – 172.0
PF-05212384 (PI3K Basal + Activated)
108.0
62.0 – 149.0
Percentage of Participants With Progression Free Survival (PFS) at 6 Months for PF-05212384Secondary· 6 months
Progression free survival is defined as the time from the date of cycle 1 day 1 to the date that objective progressive disease is documented or death due to any cause, whichever occurs first. PFS was characterized in terms of the probability of remaining progression-free at 6 months (based on Kaplan-Meier estimates). Progression is defined using RECIST v1.1, as a 20% increase in the sum of the longest diameter of target lesions with a minimum absolute increase of 5 mm, or an unequivocal progression of non-target lesion, or the appearance of new lesions.
Group
Value
95% CI
PF-05212384 (PI3K Basal)
23.2
7.3 – 44.1
PF-05212384 (PI3K Activated)
25.0
7.8 – 47.2
PF-05212384 (PI3K Basal + Activated)
24.3
11.6 – 39.5
Level of Each Pharmacodynamic Parameter at Specified Timepoints- Glucose (mg/dL)Secondary· Baseline (Day -3) and Cycle1 to Cycle 5 where each cycle consist of 28 days
PD biomarkers are measured at screening (baseline) and multiple time points post baseline. Baseline is defined as the last measurement prior to dosing, which is the measurement at screening or the cycle 1 day 1 pre-dose measurement if collected. This outcome measure will be updated once the data is available with the supplemental clinical study report.
Baseline
Group
Value
95% CI
PF-05212384 (PI3K Basal)
98.5
± 12.76
PF-05212384 (PI3K Activated)
101.7
± 26.56
PF-05212384 (PI3K Basal + Activated)
100.1
± 20.60
Cycle 1 Day 15 (n=18,17,35)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
105.3
± 18.44
PF-05212384 (PI3K Activated)
117.2
± 61.04
PF-05212384 (PI3K Basal + Activated)
111.1
± 44.26
Cycle 1 Day 22 (n=2,1,3)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
103.0
± 16.34
PF-05212384 (PI3K Activated)
120.1
± 0
PF-05212384 (PI3K Basal + Activated)
108.7
± 15.19
Cycle 2 Day 1 (n=17,14,31)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
103.7
± 19.31
PF-05212384 (PI3K Activated)
114.0
± 39.42
PF-05212384 (PI3K Basal + Activated)
108.3
± 29.99
Cycle 2 Day 15 (n=17,8,25)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
104.8
± 13.94
PF-05212384 (PI3K Activated)
106.4
± 19.36
PF-05212384 (PI3K Basal + Activated)
105.3
± 15.47
Cycle 3 Day 1 (n=14,10,24)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
100.6
± 16.29
PF-05212384 (PI3K Activated)
125.9
± 74.50
PF-05212384 (PI3K Basal + Activated)
111.1
± 49.85
Cycle 4 Day 1 (n=12,7,19)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
96.3
± 10.40
PF-05212384 (PI3K Activated)
98.9
± 10.20
PF-05212384 (PI3K Basal + Activated)
97.3
± 10.12
Cycle 5 Day 1 (n=9,4,13)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
103.2
± 15.17
PF-05212384 (PI3K Activated)
112.2
± 24.37
PF-05212384 (PI3K Basal + Activated)
106.0
± 17.90
Level of Each Pharmacodynamic Parameter at Specified Timepoints- Insulin (UIU/mL)Secondary· Baseline (Day -3) and Cycle1 to Cycle 5 where each cycle consist of 28 days
PD biomarkers are measured at screening (baseline) and multiple time points post baseline. Baseline is defined as the last measurement prior to dosing, which is the measurement at screening or the cycle 1 day 1 pre-dose measurement if collected. This outcome measure will be updated once the data is available with the supplemental clinical study report.
Baseline
Group
Value
95% CI
PF-05212384 (PI3K Basal)
15.2
± 12.68
PF-05212384 (PI3K Activated)
14.4
± 7.03
PF-05212384 (PI3K Basal + Activated)
14.8
± 10.36
Cycle 1 Day 15 (n=16,12,28)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
23.6
± 14.69
PF-05212384 (PI3K Activated)
35.9
± 37.05
PF-05212384 (PI3K Basal + Activated)
28.9
± 26.79
Cycle 1 Day 22 (n=2,1,3)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
57.6
± 51.18
PF-05212384 (PI3K Activated)
29.1
± 0
PF-05212384 (PI3K Basal + Activated)
48.1
± 39.75
Cycle 2 Day 1 (n=17,10,27)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
30.3
± 28.92
PF-05212384 (PI3K Activated)
28.9
± 27.85
PF-05212384 (PI3K Basal + Activated)
29.8
± 27.99
Cycle 2 Day 15 (n=14,6,20)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
28.2
± 29.56
PF-05212384 (PI3K Activated)
21.9
± 10.49
PF-05212384 (PI3K Basal + Activated)
26.3
± 25.21
Cycle 3 Day 1 (n=13,9,22)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
20.7
± 13.65
PF-05212384 (PI3K Activated)
35.1
± 38.66
PF-05212384 (PI3K Basal + Activated)
26.6
± 26.99
Cycle 4 Day 1 (n=11,6,17)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
17.1
± 10.04
PF-05212384 (PI3K Activated)
24.8
± 32.32
PF-05212384 (PI3K Basal + Activated)
19.8
± 20.10
Cycle 5 Day 1 (n=7,4,11)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
17.0
± 15.56
PF-05212384 (PI3K Activated)
15.7
± 6.20
PF-05212384 (PI3K Basal + Activated)
16.5
± 12.54
Level of Each Pharmacodynamic Parameter at Specified Timepoints- Glycosylated Hemoglobin (HbA1c)Secondary· Baseline (Day -3) and Cycle1 to Cycle 5 where each cycle consist of 28 days
PD biomarkers are measured at screening (baseline) and multiple time points post baseline. Baseline is defined as the last measurement prior to dosing, which is the measurement at screening or the cycle 1 day 1 pre-dose measurement if collected. This outcome measure will be updated once the data is available with the supplemental clinical study report.
Baseline (n=15,14,29)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
7.8
± 8.58
PF-05212384 (PI3K Activated)
7.5
± 6.15
PF-05212384 (PI3K Basal + Activated)
7.7
± 7.37
Cycle 1 Day 15 (n=4,2,6)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
14.7
± 19.00
PF-05212384 (PI3K Activated)
7.1
± 1.34
PF-05212384 (PI3K Basal + Activated)
12.2
± 15.25
Cycle 2 Day 1 (n=15,13,28)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
8.4
± 9.66
PF-05212384 (PI3K Activated)
6.7
± 1.16
PF-05212384 (PI3K Basal + Activated)
7.6
± 7.05
Cycle 2 Day 15 (n=3,0,3)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
6.7
± 0.71
PF-05212384 (PI3K Activated)
NA
± NA
PF-05212384 (PI3K Basal + Activated)
6.7
± 0.71
Cycle 3 Day 1 (n=10,4,14)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
6.0
± 0.78
PF-05212384 (PI3K Activated)
7.3
± 1.70
PF-05212384 (PI3K Basal + Activated)
6.4
± 1.19
Cycle 4 Day 1 (n=12,7,19)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
8.9
± 10.13
PF-05212384 (PI3K Activated)
6.9
± 1.05
PF-05212384 (PI3K Basal + Activated)
8.2
± 8.01
Cycle 5 Day 1 (n=8,2,10)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
5.9
± 0.89
PF-05212384 (PI3K Activated)
31.5
± 36.06
PF-05212384 (PI3K Basal + Activated)
11.0
± 16.17
Level of Each Pharmacodynamic Parameter at Specified Timepoints- Cholesterol (mg/dL)Secondary· Baseline (Day -3) and Cycle1 to Cycle 3 where each cycle consist of 28 days
PD biomarkers are measured at screening (baseline) and multiple time points post baseline. Baseline is defined as the last measurement prior to dosing, which is the measurement at screening or the cycle 1 day 1 pre-dose measurement if collected. This outcome measure will be updated once the data is available with the supplemental clinical study report.
Baseline (n=11,4,15)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
213
± 54.48
PF-05212384 (PI3K Activated)
186.5
± 52.43
PF-05212384 (PI3K Basal + Activated)
205.9
± 53.45
Cycle 1 Day 28 (n=15,7,22)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
214.9
± 49.15
PF-05212384 (PI3K Activated)
161.6
± 86.51
PF-05212384 (PI3K Basal + Activated)
198.0
± 66.28
Cycle 2 Day 28 (n=16,6,22)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
229.8
± 44.31
PF-05212384 (PI3K Activated)
127.9
± 108.69
PF-05212384 (PI3K Basal + Activated)
202.0
± 79.83
Cycle 3 Day 28 (n=11,4,15)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
230.5
± 48.63
PF-05212384 (PI3K Activated)
137.6
± 107.02
PF-05212384 (PI3K Basal + Activated)
205.7
± 77.15
Level of Each Pharmacodynamic Parameter at Specified Timepoints- Triglycerides (mg/dL)Secondary· Baseline (Day -3) and Cycle1 to Cycle 3 where each cycle consist of 28 days
PD biomarkers are measured at screening (baseline) and multiple time points post baseline. Baseline is defined as the last measurement prior to dosing, which is the measurement at screening or the cycle 1 day 1 pre-dose measurement if collected. This outcome measure will be updated once the data is available with the supplemental clinical study report.
Baseline (n=11,4,15)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
104.2
± 40.95
PF-05212384 (PI3K Activated)
133.4
± 25.75
PF-05212384 (PI3K Basal + Activated)
112.0
± 38.96
Cycle 1 Day 28 (n=15,7,22)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
136.9
± 70.03
PF-05212384 (PI3K Activated)
134.5
± 57.21
PF-05212384 (PI3K Basal + Activated)
136.1
± 64.85
Cycle 2 Day 28 (n=16,6,22)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
133.2
± 71.40
PF-05212384 (PI3K Activated)
117.1
± 62.77
PF-05212384 (PI3K Basal + Activated)
128.8
± 68.07
Cycle 3 Day 28 (n=10,4,14)
Group
Value
95% CI
PF-05212384 (PI3K Basal)
119.9
± 64.22
PF-05212384 (PI3K Activated)
130.4
± 58.01
PF-05212384 (PI3K Basal + Activated)
122.9
± 60.47
Adverse events — posted to ClinicalTrials.gov
Time frame: Maximum of treatment duration (i.e., 21 to 169 days for the PF 04691502 [PI3K basal and activated], 29 to 345 days for PF 05212384 PI3K basal and 1 to 400 days for PF 05212384 PI3K activated) + 28 days across all participants..
Reporting threshold: 0%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
PF-04691502 8 mg (PI3K Basal)
Serious: 3/5 (60%)
Deaths: —
PF-04691502 6 mg (PI3K Basal)
Serious: 1/1 (100%)
Deaths: —
PF-04691502 8 mg (PI3K Activated)
Serious: 7/9 (78%)
Deaths: —
PF-04691502 6 mg (PI3K Activated)
Serious: 1/3 (33%)
Deaths: —
PF-05212384 154 mg (PI3K Basal)
Serious: 3/21 (14%)
Deaths: —
PF-05212384 154 mg (PI3K Activated)
Serious: 10/19 (53%)
Deaths: —
Lead-in-cohort (LIC) PF-04691502 (4 mg)
Serious: 1/3 (33%)
Deaths: —
LIC PF-05212384 (89 mg)
Serious: 0/3 (0%)
Deaths: —
LIC PF-05212384 (154 mg)
Serious: 1/3 (33%)
Deaths: —
Serious adverse events (32 terms)
Reaction
System
PF-04691502 8 mg (PI3K Bas…
PF-04691502 6 mg (PI3K Bas…
PF-04691502 8 mg (PI3K Act…
PF-04691502 6 mg (PI3K Act…
PF-05212384 154 mg (PI3K B…
PF-05212384 154 mg (PI3K A…
Lead-in-cohort (LIC) PF-04…
LIC PF-05212384 (89 mg)
LIC PF-05212384 (154 mg)
Diarrhoea
Gastrointestinal disorders
—
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—
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Disease Progression
General disorders
—
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—
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Pneumonia
Infections and infestations
—
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Urinary Tract Infection
Infections and infestations
—
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Pneumonitis
Respiratory, thoracic and mediastinal disorders
—
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Pulmonary Embolism
Respiratory, thoracic and mediastinal disorders
—
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Cardiac Failure
Cardiac disorders
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Large Intestinal Obstruction
Gastrointestinal disorders
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Nausea
Gastrointestinal disorders
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Oral Pain
Gastrointestinal disorders
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Stomatitis
Gastrointestinal disorders
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Vomiting
Gastrointestinal disorders
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Chills
General disorders
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Lung Infection
Infections and infestations
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Pneumocystis Jirovecii Pneumonia
Infections and infestations
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Pyelonephritis
Infections and infestations
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Skin Infection
Infections and infestations
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Lymphocyte Count Decreased
Investigations
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Diabetic Ketoacidosis
Metabolism and nutrition disorders
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Hyperglycaemia
Metabolism and nutrition disorders
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Arthralgia
Musculoskeletal and connective tissue disorders
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Fistula
Musculoskeletal and connective tissue disorders
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Gastric Cancer
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
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Cerebrovascular Accident
Nervous system disorders
—
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—
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—
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—
—
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Acute Kidney Injury
Renal and urinary disorders
—
—
—
—
—
—
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Other adverse events (223 terms — click to expand)
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
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Sponsor: as reported to ClinicalTrials.gov by Pfizer
Last refreshed: 8 January 2019
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT01420081.