Stage 4 HER2 Positive Breast Cancer: 54 Real Stories

54 stories match breast cancer, stage 4 and HER2 positive. 50 of them mention chemotherapy.

Cancer Stories

A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

HER2-positive breast cancer with brain metastases: responding well to T-DXd

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: ER-positive; PR-positive; HER2-positive / HER2 IHC 3+

Metastatic Site: brain (left cerebellum, left frontal lobe, medulla)

After 14 months and 19 doses of T-DXd, brain metastases remained controlled with no symptomatic or radiological relapse and no severe T-DXd-related adverse events.

PubMed Central
OutcomeResponding Well
Anne, who was diagnosed with Stage IV Breast CancerBreast Cancer

Stage IV HER2-Positive Breast Cancer: Anne's Patient Story

Patient Info: Anne Keane, 40s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: bones, liver

Anne had an extraordinary response to first-line treatment for metastatic HER2-positive breast cancer and remained on the same HER2-targeted therapy for 6 years.

Dana-Farber
OutcomeResponding Well
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

Metastatic Breast Cancer Returning About 20 Years After Initial Treatment

Patient Info: Anonymized, Female | Stage IV

Biomarkers: ER-positive, PR-negative, HER2-positive

Metastatic Site: bones

About 20 years after her original breast-cancer treatment and sustained remission, bone biopsy confirmed metastatic recurrence; she became too unwell for planned cancer therapy and chose supportive care.

PubMed Central
OutcomeSetback / Progression
A patient, who was diagnosed with Stage IV Breast CancerBreast Cancer

HER2-Positive Breast Cancer With Metastatic Progression and Drug-Induced Lupus During T-DM1

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: ER-positive, PR-negative, HER2-positive

Metastatic Site: bones, axillary lymph nodes, intra-abdominal lymph…

More than 5 years after her March 2018 diagnosis, she was living with metastatic breast cancer, but T-DM1 had been stopped after disease progression in 2023.

PubMed Central
OutcomeSetback / Progression
Nina, who was diagnosed with Stage IV Breast CancerBreast Cancer

Stage IV HER2-Positive Breast Cancer: Nina's Survivor Story

Patient Info: Nina, Female, Under 40 | Stage IV

Biomarkers: HER2-positive; broad hereditary genetic testing negative

Metastatic Site: spine

As of November 2024, Nina described being in a no-evidence-of-disease phase, while continuing treatment because of her Stage IV HER2-positive metastatic breast cancer history.

The Patient Story
OutcomeCancer-Free / NED
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

Severe Corneal Injury After Trastuzumab for Metastatic HER2-Positive Breast Cancer

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: ER-positive, PR-positive, HER2-positive

Metastatic Site: lungs, spine, left adrenal gland, calvarium, orbit,…

She was living with widespread metastatic breast cancer when trastuzumab was stopped because of severe eye toxicity.

PubMed Central
OutcomeLiving With Cancer
A patient, who was diagnosed with Stage IV Breast CancerBreast Cancer

HER2-Positive Breast Cancer That Spread to the Cervix

Patient Info: Anonymized, female, 60s | Stage IV

Biomarkers: HER2-positive; ER and PR less than 1% in the left breast tumor

Metastatic Site: cervix, esophagus, mediastinal lymph nodes

Cervical metastasis showed a local complete response after brachytherapy, but systemic disease later progressed to the esophagus. She died after 4 months of nutritional support and palliative treatment.

PubMed Central
OutcomeIn Memory
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

Stage 4 invasive ductal carcinoma: metastatic disease with bone involvement managed successfully

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: ER <1%; PR 0%; HER2 score 3+; Ki-67 60%

Metastatic Site: bone (12th thoracic vertebra/T12)

Stage IV HER2-positive breast cancer had improved T12 bone metastasis, major breast-tumor regression on trastuzumab deruxtecan, and pathologic complete response in the breast after mastectomy; durable systemic disease status was not reported.

PubMed Central
OutcomeResponding Well
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

BRCA2-mutant metastatic breast cancer: complete response with rucaparib maintenance

Patient Info: Anonymized, Female, Under 40 | Stage IV

Biomarkers: Germline BRCA2 mutation; somatic BRCA2 mutation; HER2 amplification not seen by FISH; grade III IDC

Metastatic Site: bone

She maintained a complete response for 2 years on rucaparib, letrozole, and zoledronic acid after upfront metastatic BRCA2-mutated breast cancer involving bone, axillary nodes, and right-breast nodules.

PubMed Central
OutcomeCancer-Free / NED
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

Metastatic HER2-Positive Breast Cancer With Treatment-Related Telangiectasias

Patient Info: Anonymized, female, 60s | Stage IV

Biomarkers: HER2-positive; initially ER-negative and PR-negative; metastatic disease weakly ER-positive and PR-negative; germline testing negative

Metastatic Site: left supraclavicular, mediastinal, axillary and…

Living with HER2-positive breast cancer for 9+ years since her 2014 diagnosis, including metastatic disease since 2017. She remained on reduced-dose tucatinib in 2023 while treatment-related telangiectasias improved after dose reduction and electrocautery.

PubMed Central
OutcomeLiving With Cancer
A patient, who was diagnosed with Stage IV Breast CancerBreast Cancer

Metastatic breast cancer: three years in remission with T-DM1 (Kadcyla) treatment

Patient Info: Anonymized, Female | Stage IV

Biomarkers: HER2-positive; hormone receptor-positive

Metastatic Site: liver; spine / bone

T-DM1 produced a complete clinical and radiological response after 7 cycles, sustained for 41 months and 60 cycles while treatment continued.

PubMed Central
OutcomeComplete Response
Olivia, who was diagnosed with Stage IV Inflammatory Breast CancerBreast Cancer

Stage IV HER2-Positive Inflammatory Breast Cancer: Olivia's Survivor Story

Patient Info: Olivia Franz, Female, Under 40 | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Bones; distant lymph nodes

As of October 2023, Olivia continued to show no evidence of disease on scans while receiving maintenance trastuzumab and pertuzumab every 3 weeks and zoledronic acid every 3 months for bone health.

MD Anderson
OutcomeCancer-Free / NED
Abigail, who was diagnosed with Stage IV Breast CancerBreast Cancer

Stage IV HR-Positive Breast Cancer: Abigail's Patient Story

Patient Info: Abigail Myers, female, Under 40 | Stage IV

Biomarkers: ER-positive, PR-positive, HER2-positive

Metastatic Site: bones, brain

Abigail continued living with Stage IV metastatic breast cancer after about 8 years of multiple treatment lines, including therapy for bone and brain metastases.

Dana-Farber
OutcomeLiving With Cancer
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

Metastatic Breast Cancer Treatment Caused Severe Circulation Problems in Her Fingers and Toes

Patient Info: Anonymized, Female | Stage IV

Biomarkers: HER2-positive; ER-negative; PR-negative

The digital ischaemia improved after gemcitabine was stopped, without revascularisation, debridement or amputation, although a small necrotic fingertip area persisted at 3 months. Metastatic breast cancer treatment continued with further systemic lines after progression.

PubMed Central
OutcomeLiving With Cancer / Ongoing Treatment
Loli, who was diagnosed with Stage IV Breast CancerBreast Cancer

Stage IV HER2-Positive Breast Cancer: Loli's Patient Story

Patient Info: Loli, Female, 60s | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Liver

As of March 2022, Loli was living with HER2-positive metastatic breast cancer involving the liver and receiving clinical-trial treatment with chemotherapy every 21 days.

MatchTrial Historias Reales
OutcomeLiving With Cancer
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

A durable response to trastuzumab in heavily pretreated metastatic breast cancer

Patient Info: Anonymized, Female, 60s | Stage IV

Biomarkers: Initial tumor ER-positive and PR-positive. Metastatic liver biopsy ER-negative and PR-negative with HER2 IHC 1+ and nonamplified. Later biopsy ER and PR weakly positive at 5%–10%, HER2 IHC 1+ and nonamplified, and ERBB3 p. with evidence of HER2/HER3 pathway activation.

Metastatic Site: lungs; hilar and mediastinal lymph nodes; liver; bone

She had ongoing benefit for more than 10 months on trastuzumab and capecitabine, with improved symptoms, lower tumor markers, and a confirmed partial response.

PubMed Central
OutcomeResponding Well
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

HER2-positive breast cancer diagnosed during pregnancy and later spread to bone and brain

Patient Info: Anonymized, Female, Under 40 | Stage IV

Biomarkers: Initial tumour: ER 0%, PR <1%, HER2 3+

Metastatic Site: bone (L3)|brain

After treatment and surveillance without new lesions, she developed a large symptomatic occipital brain metastasis 14 months after completing paclitaxel and radiation and died after rapid neurological deterioration.

PubMed Central
OutcomeIn Memory
Christine, who was diagnosed with Stage IV Breast CancerBreast Cancer

Stage IV HER2-Positive Breast Cancer: Christine's Survivor Story

Patient Info: Christine Hodgdon, Female, Under 40 | Stage IV

Biomarkers: HER2-positive

Christine had no evidence of disease after 1 year and continued HER2-targeted treatment with regular surveillance scans.

AACR
OutcomeCancer-Free / NED
Kate, who was diagnosed with Stage IV Breast CancerBreast Cancer

Stage IV HER2-Positive Breast Cancer: Kate's Survivor Story

Patient Info: Kate Watson, Female, Under 40 | Stage IV

Biomarkers: HER2-positive

Metastatic Site: Chest lymph nodes; spine; pelvis; femur

As of October 2019, Kate had been in remission for about 3 years with regular PET scans showing no evidence of active disease, while continuing monthly HER2-targeted maintenance treatment.

Cleveland Clinic
OutcomeCancer-Free / NED
A patient, who was diagnosed with Stage IV Invasive Ductal CarcinomaBreast Cancer

Breast Cancer Recurrence in the Parotid Gland Eight Years Later

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: Primary breast tumor: ER-positive and HER2-positive. Parotid metastasis: ER-positive, PR-negative, and HER2-positive.

Metastatic Site: left parotid gland

The isolated parotid metastasis was completely resected, one-month PET-CT showed no significant abnormality, and endocrine therapy continued with exemestane.

PubMed Central
OutcomeCare Ongoing