Trial Outcomes & Findings for Paclitaxel & Cyclophosphamide With or Without Trastuzumab Before Surgery in Treating Previously Untreated Breast Cancer (NCT NCT01750073)

NCT ID: NCT01750073

Last Updated: 2025-11-18

Results Overview

The number of participants in the subgroups who had a pathologic complete response (pCR) determined from the surgical specimen and defined as the absence of invasive carcinoma in both the breast and axilla at microscopic examination of the resection specimen, regardless of the presence of carcinoma in situ.

Recruitment status

ACTIVE_NOT_RECRUITING

Study phase

PHASE2

Target enrollment

92 participants

Primary outcome timeframe

Up to 12 weeks (after the first 6 courses of treatment), maximum of 168 days

Results posted on

2025-11-18

Participant Flow

99 subjects were enrolled but 7 were screen fails (after signing consent) so only 92 started.

Participant milestones

Participant milestones
Measure
Treatment (chemotherapy, surgery, post-operative therapy)
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Overall Study
STARTED
92
Overall Study
HER2-positive
19
Overall Study
HER2-negative
73
Overall Study
COMPLETED
87
Overall Study
NOT COMPLETED
5

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Paclitaxel & Cyclophosphamide With or Without Trastuzumab Before Surgery in Treating Previously Untreated Breast Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment (Chemotherapy, Surgery, Post-operative Therapy)
n=92 Participants
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Age, Continuous
57.65 Years
STANDARD_DEVIATION 10.19 • n=202 Participants
Sex: Female, Male
Female
92 Participants
n=202 Participants
Sex: Female, Male
Male
0 Participants
n=202 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
n=202 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
89 Participants
n=202 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=202 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=202 Participants
Race (NIH/OMB)
Asian
1 Participants
n=202 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=202 Participants
Race (NIH/OMB)
Black or African American
11 Participants
n=202 Participants
Race (NIH/OMB)
White
80 Participants
n=202 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=202 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=202 Participants
Stage of Cancer
Stage I
22 Participants
n=202 Participants
Stage of Cancer
Stage II
65 Participants
n=202 Participants
Stage of Cancer
Stage IIIA
5 Participants
n=202 Participants
Her-2 NEU Status (human epidermal growth factor receptor)
Negative
73 Participants
n=202 Participants
Her-2 NEU Status (human epidermal growth factor receptor)
Positive
19 Participants
n=202 Participants
ER Status
Negative
35 Participants
n=202 Participants
ER Status
Positive
57 Participants
n=202 Participants
PR Status (progesterone receptors)
Negative
49 Participants
n=202 Participants
PR Status (progesterone receptors)
Positive
43 Participants
n=202 Participants
Triple Negative
No
63 Participants
n=202 Participants
Triple Negative
Yes
29 Participants
n=202 Participants
Treatment
paclitaxel & cyclophosphamide (PC) + Adriamycin
17 Participants
n=202 Participants
Treatment
paclitaxel & cyclophosphamide (PC)
56 Participants
n=202 Participants
Treatment
paclitaxel, cyclophosphamide & trastuzumab (PCH)
19 Participants
n=202 Participants

PRIMARY outcome

Timeframe: Up to 30 days after completion of study treatment, maximum of 114 days

Population: All subjects who received at least one cycle of treatment and experienced an adverse event.

Number of participants in each subset (Her2 positive and Her2 negative) who experience at least one adverse event \[overall incidence of toxicities, graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0\].

Outcome measures

Outcome measures
Measure
Her-2 Negative
n=73 Participants
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Her-2 Positive
n=19 Participants
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Overall Incidence of Toxicities, Graded According to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 4.0
73 Participants
19 Participants

PRIMARY outcome

Timeframe: Up to 30 days after completion of study treatment, maximum of 114 days

Population: Participant events were analyzed for each group-Her-2 Negative and Her-2 Positive

Results reported as total events per grade for human epidermal growth factor receptor 2 (HER2)negative and HER2 positive (Overall severity of toxicities, graded according to the NCI CTCAE version 4.0).

Outcome measures

Outcome measures
Measure
Her-2 Negative
n=1816 Events
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Her-2 Positive
n=496 Events
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
Non-SAE grade 4
11 Events
4 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
SAE grade 5
1 Events
1 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
Non-SAE grade 1
1286 Events
302 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
Non-SAE grade 2
390 Events
143 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
Non-SAE grade 3
93 Events
23 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
SAE grade 3
22 Events
8 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
SAE grade 4
2 Events
2 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
SAE grade 2
10 Events
4 Events
Overall Severity of Toxicities, Graded According to the NCI CTCAE Version 4.0
SAE grade 1
1 Events
9 Events

PRIMARY outcome

Timeframe: Up to 12 weeks (after the first 6 courses of treatment), maximum of 168 days

Population: Participants who completed 6 courses of treatment (87). 16 subjects were not evaluated. Total of 71 participants were evaluated.

The number of participants in the subgroups who had a pathologic complete response (pCR) determined from the surgical specimen and defined as the absence of invasive carcinoma in both the breast and axilla at microscopic examination of the resection specimen, regardless of the presence of carcinoma in situ.

Outcome measures

Outcome measures
Measure
Her-2 Negative
n=56 Participants
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Her-2 Positive
n=15 Participants
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Number of Participants in the Subgroups Who Had a Pathologic Complete Response (pCR)
13 participants
2 participants

SECONDARY outcome

Timeframe: Up to 2 years

The absence of all detectable cancer after treatment is complete.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: The time from the date of administration of study drug to the date of first appearance of tumor lesions by imaging, or death, assessed up to 2 years

The analysis will be based on Kaplan-Meier estimates. FFS will be summarized overall and for human epidermal growth factor receptor 2 (HER2)+ and HER- subsets.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Up to 2 years

The number of the identified mutated genes, the frequency of each gene being validated by reverse transcriptase-polymerase chain reaction (RT-PCR)/Sanger sequencing method, and the functions of these identified genes will be descriptively summarized.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: The time from the date of the date of administration of study drug to the date of death from any cause, assessed up to 2 years

The analysis will be based on Kaplan-Meier estimates. OAS will be summarized overall and for HER+ and HER- subsets.

Outcome measures

Outcome data not reported

Adverse Events

Treatment (chemotherapy, surgery, post-operative therapy)

Serious events: 16 serious events
Other events: 92 other events
Deaths: 2 deaths

Serious adverse events

Serious adverse events
Measure
Treatment (chemotherapy, surgery, post-operative therapy)
n=92 participants at risk
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Blood and lymphatic system disorders
Febrile Neutropenia
5.4%
5/92 • 30 days after last administration of study medication, maximum of 114 days
Blood and lymphatic system disorders
Anemia
3.3%
3/92 • 30 days after last administration of study medication, maximum of 114 days
Infections and infestations
Infections and Infestations
3.3%
3/92 • 30 days after last administration of study medication, maximum of 114 days
Infections and infestations
Sepsis
3.3%
3/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Dehydration
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Fever
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hyperglycemia
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Neutrophil count decreased
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
non-cardiac chest pain
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Peripheral sensory neuropathy
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
Infections and infestations
Urinary tract infection
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
white blood cell decreased
2.2%
2/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Aspartate aminotransferase increased
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Cardiac disorders
Asystole
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Blood bilirubin increased
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Cardiac troponin I increased
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Creatinine increased
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Diarrhea
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Duodenal hemorrhage
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Injury, poisoning and procedural complications
Fall
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Musculoskeletal and connective tissue disorders
Generalized muscle weakness
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hypocalcemia
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hypomagnesemia
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hyponatremia
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Vascular disorders
Hypotension
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Infusion related reaction
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Cardiac disorders
Myocardial infarction
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Oral pain
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Pain
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Cardiac disorders
Pericarditis
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Platelet count decreased
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Presyncope
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Seizure
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days
Ear and labyrinth disorders
Vertigo
1.1%
1/92 • 30 days after last administration of study medication, maximum of 114 days

Other adverse events

Other adverse events
Measure
Treatment (chemotherapy, surgery, post-operative therapy)
n=92 participants at risk
See Detailed Description Cyclophosphamide: Given IV Doxorubicin Hydrochloride: Given IV Laboratory Biomarker Analysis: Correlative studies Paclitaxel: Given IV Radiation Therapy: Undergo RT Therapeutic Conventional Surgery: Undergo mastectomy or breast conserving surgery Trastuzumab: Given IV
Investigations
Alanine aminotransferase increased
26.1%
24/92 • 30 days after last administration of study medication, maximum of 114 days
Respiratory, thoracic and mediastinal disorders
Cough
21.7%
20/92 • 30 days after last administration of study medication, maximum of 114 days
Psychiatric disorders
Anxiety
19.6%
18/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Neutrophil count decreased
18.5%
17/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Pain
18.5%
17/92 • 30 days after last administration of study medication, maximum of 114 days
Skin and subcutaneous tissue disorders
Alopecia
17.4%
16/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Aspartate aminotransferase increased
17.4%
16/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hypoalbuminemia
17.4%
16/92 • 30 days after last administration of study medication, maximum of 114 days
Respiratory, thoracic and mediastinal disorders
Dyspnea
16.3%
15/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Mucositis oral
16.3%
15/92 • 30 days after last administration of study medication, maximum of 114 days
Musculoskeletal and connective tissue disorders
Pain in extremity
16.3%
15/92 • 30 days after last administration of study medication, maximum of 114 days
Vascular disorders
Hypertension
15.2%
14/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Lymphocyte count decreased
15.2%
14/92 • 30 days after last administration of study medication, maximum of 114 days
Skin and subcutaneous tissue disorders
Rash maculo-papular
15.2%
14/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Dysgeusia
14.1%
13/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Dyspepsia
14.1%
13/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Fever
14.1%
13/92 • 30 days after last administration of study medication, maximum of 114 days
Respiratory, thoracic and mediastinal disorders
Nasal congestion
14.1%
13/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Platelet count decreased
14.1%
13/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Creatinine increased
12.0%
11/92 • 30 days after last administration of study medication, maximum of 114 days
Psychiatric disorders
Depression
12.0%
11/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Edema limbs
12.0%
11/92 • 30 days after last administration of study medication, maximum of 114 days
Vascular disorders
Hot flashes
12.0%
11/92 • 30 days after last administration of study medication, maximum of 114 days
Respiratory, thoracic and mediastinal disorders
Allergic rhinitis
10.9%
10/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Dizziness
10.9%
10/92 • 30 days after last administration of study medication, maximum of 114 days
Vascular disorders
Flushing
10.9%
10/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Gastroesophageal reflux disease
10.9%
10/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Glucose intolerance
10.9%
10/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Vomiting
9.8%
9/92 • 30 days after last administration of study medication, maximum of 114 days
Eye disorders
Blurred vision
8.7%
8/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Dry mouth
8.7%
8/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hypercalcemia
8.7%
8/92 • 30 days after last administration of study medication, maximum of 114 days
Skin and subcutaneous tissue disorders
Skin and subcutaneous tissue disorders
8.7%
8/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Anorexia
7.6%
7/92 • 30 days after last administration of study medication, maximum of 114 days
Respiratory, thoracic and mediastinal disorders
Sore throat
7.6%
7/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Abdominal pain
6.5%
6/92 • 30 days after last administration of study medication, maximum of 114 days
Musculoskeletal and connective tissue disorders
Generalized muscle weakness
6.5%
6/92 • 30 days after last administration of study medication, maximum of 114 days
Infections and infestations
Upper respiratory infection
6.5%
6/92 • 30 days after last administration of study medication, maximum of 114 days
Renal and urinary disorders
Urinary incontinence
6.5%
6/92 • 30 days after last administration of study medication, maximum of 114 days
Immune system disorders
Allergic reaction
5.4%
5/92 • 30 days after last administration of study medication, maximum of 114 days
Cardiac disorders
Palpitations
5.4%
5/92 • 30 days after last administration of study medication, maximum of 114 days
Skin and subcutaneous tissue disorders
Scalp pain
5.4%
5/92 • 30 days after last administration of study medication, maximum of 114 days
Renal and urinary disorders
Urinary frequency
5.4%
5/92 • 30 days after last administration of study medication, maximum of 114 days
Infections and infestations
Urinary tract infection
5.4%
5/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hyperglycemia
71.7%
66/92 • 30 days after last administration of study medication, maximum of 114 days
General disorders
Fatigue
59.8%
55/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
Alkaline phosphatase increased
58.7%
54/92 • 30 days after last administration of study medication, maximum of 114 days
Blood and lymphatic system disorders
Anemia
53.3%
49/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Nausea
52.2%
48/92 • 30 days after last administration of study medication, maximum of 114 days
Musculoskeletal and connective tissue disorders
Arthralgia
44.6%
41/92 • 30 days after last administration of study medication, maximum of 114 days
Investigations
White blood cell decreased
41.3%
38/92 • 30 days after last administration of study medication, maximum of 114 days
Musculoskeletal and connective tissue disorders
Myalgia
39.1%
36/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Constipation
38.0%
35/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hyponatremia
38.0%
35/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Headache
32.6%
30/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hypocalcemia
32.6%
30/92 • 30 days after last administration of study medication, maximum of 114 days
Gastrointestinal disorders
Diarrhea
31.5%
29/92 • 30 days after last administration of study medication, maximum of 114 days
Psychiatric disorders
Insomnia
31.5%
29/92 • 30 days after last administration of study medication, maximum of 114 days
Musculoskeletal and connective tissue disorders
Bone pain
30.4%
28/92 • 30 days after last administration of study medication, maximum of 114 days
Metabolism and nutrition disorders
Hypokalemia
28.3%
26/92 • 30 days after last administration of study medication, maximum of 114 days
Nervous system disorders
Peripheral sensory neuropathy
88.0%
81/92 • 30 days after last administration of study medication, maximum of 114 days

Additional Information

Amulya C Yellala

University of Nebraska Medical Center

Phone: 402-559-5388

Results disclosure agreements

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