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Paclitaxel (Aibumin-Bound) side effects: what 81,715 FDA adverse event reports show

Paclitaxel (Aibumin-Bound) · Paclitaxel · 1,277 reaction terms · 251,295 drug–reaction co-reports · data 2026-09-14
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Drug class

Microtubule Inhibitor

FDA label (Established Pharmacologic Class)

Brand names

Paclitaxel

openFDA label

Who reports

81,715 reports · 97% serious · 11,389 with death outcome · 74% female

openFDA FAERS counts, all years, deduplication not applied

Used for

Paclitaxel protein-bound particles for injectable suspension (albumin-bound) is a microtubule inhibitor indicated for the treatment of: Metastatic breast cancer, after failure of combination chemotherapy for metastatic disease or relapse within 6 months of adjuvant chemotherapy. Prior therapy should have included an anthracycline unless clinically contraindicated.

FDA label, Indications and Usage

What it is

Paclitaxel protein-bound particles for injectable suspension (albumin-bound) is paclitaxel formulated as albumin-bound nanoparticles with a mean particle size of approximately 130 nanometers. Paclitaxel exists in the particles in a non-crystalline, amorphous state. Paclitaxel is a microtubule inhibitor.

FDA label, Description section

Boxed warning

SEVERE MYELOSUPPRESSION Do not administer paclitaxel protein-bound particles for injectable suspension (albumin-bound) therapy to patients with baseline neutrophil counts of less than 1,500 cells/mm 3 [see Contraindications (4) ].

FDA label
How to read this page. FAERS is a spontaneous-reporting system: counts are not incidence rates and a signal is not proof of causation. Each reaction below is run through an automated screen — is the term in the FDA label (known), in the indications (the disease being treated), an administrative/coding term, or none of these (unlabeled)? That screen is mechanical text matching, not a causality assessment. The 30 hand-written Bradford Hill assessments are on the causality assessment page. Not medical advice.

Causality screen of the 40 strongest signals

Labeled — boxed warning 1Labeled adverse reaction 2Labeled (related wording) 3Likely indication confounding 2Not in label — unassessed 32
What the badges mean

Strongest disproportionality signals

Flagged terms (PRR ≥ 2, χ² ≥ 4, n ≥ 10), ranked by PRR; infinite PRRs (no comparator reports) excluded. The EBGM column is a second, shrinkage-based estimate (MGPS) with its 5th percentile EB05 and the BCPNN IC025; a pair flagged by PRR alone is marked PRR-only and should be read as fragile. The strata column recomputes the PRR on serious reports only (and, for the 300 most-reported drugs, adjusted for age band), and flags pairs whose reports are unusually skewed by sex or come mostly from consumers. Each row also shows the PRR against the other drugs of the same FDA class, which removes most confounding by the condition being treated, and a calibrated p-value: on validation, known non-causes average an ROR of about 2, so significance is judged against that empirical null (✓ = p < 0.05 after calibration). 1,237 further terms are in the interactive explorer. Reaction links open the term's cross-drug page.

Show:
ReactionReportsPRR 95% CI · ROR · χ²/pEBGM EB05 · IC025Label screenSerious-only & strataTrial cross-check
Computerised tomogram thorax39468.4
275.6–796.1ROR 468.6 · calibrated p 3e-12 ✓
152.4 EB05 116.4 · IC025 +5.2
3/3 methods agree
Not in label — unassessedserious n=39 · ♀ 100% (drug 74%) · 100% clinicianno trial arm names this drug
Pseudocirrhosis129166.8
133.6–208.4ROR 167.1 · calibrated p 3e-9 ✓
99.4 EB05 85.8 · IC025 +5.9
3/3 methods agree
Not in label — unassessedserious n=129 · ♀ 100% (drug 74%) · 96% clinicianno trial arm names this drug
Cervix carcinoma recurrent4592.3
65.6–129.8ROR 92.3 · calibrated p 4e-7 ✓
66.0 EB05 51.4 · IC025 +4.8
3/3 methods agree
Not in label — unassessedserious n=44 · ♀ 100% (drug 74%) · 100% clinicianno trial arm names this drug
Urogenital fistula6190.5
67.6–121.2ROR 90.6 · calibrated p 4e-7 ✓
65.6 EB05 52.9 · IC025 +5.0
3/3 methods agree
Not in label — unassessedserious n=61 · ♀ 100% (drug 74%) · 100% clinicianno trial arm names this drug
Pik3ca-activated mutation7272.6
55.9–94.4ROR 72.7 · calibrated p 2e-6 ✓
55.8 EB05 45.8 · IC025 +5.0
3/3 methods agree
Not in label — unassessedserious n=72 · 94% clinicianno trial arm names this drug
Immune-mediated adrenal insufficiency16471.2
59.9–84.7ROR 71.3 · calibrated p 2e-6 ✓
55.4 EB05 48.6 · IC025 +5.3
3/3 methods agree
Not in label — unassessedserious n=164 · 100% clinicianno trial arm names this drug
Immune-mediated hyperthyroidism5169.5
51.0–94.8ROR 69.6 · calibrated p 3e-6 ✓
53.7 EB05 42.4 · IC025 +4.7
3/3 methods agree
Not in label — unassessedserious n=51 · 100% clinicianno trial arm names this drug
Her2 positive breast cancer6352.8
40.2–69.3ROR 52.8 · calibrated p 1e-5 ✓
43.3 EB05 35.0 · IC025 +4.6
3/3 methods agree
Not in label — unassessedserious n=63 · ♀ 100% (drug 74%) · 100% clinicianno trial arm names this drug
Immune-mediated dermatitis14245.8
38.3–54.8ROR 45.9 · calibrated p 3e-5 ✓
38.7 EB05 33.7 · IC025 +4.8
3/3 methods agree
Not in label — unassessedserious n=142 · 97% clinicianno trial arm names this drug
Hepatic atrophy6845.6
35.2–59.1ROR 45.7 · calibrated p 3e-5 ✓
38.4 EB05 31.3 · IC025 +4.5
3/3 methods agree
Not in label — unassessedserious n=68 · ♀ 100% (drug 74%)no trial arm names this drug
Immune-mediated hypothyroidism16145.1
38.2–53.3ROR 45.2 · calibrated p 3e-5 ✓
38.3 EB05 33.6 · IC025 +4.8
3/3 methods agree
Not in label — unassessedserious n=161 · 100% clinicianno trial arm names this drug
Immune-mediated hypophysitis6041.7
31.7–54.8ROR 41.7 · calibrated p 6e-5 ✓
35.5 EB05 28.6 · IC025 +4.4
3/3 methods agree
Not in label — unassessedserious n=60 · 100% clinicianno trial arm names this drug
Delusion of grandeur5636.6
27.6–48.4ROR 36.6 · calibrated p 1e-4 ✓
31.8 EB05 25.4 · IC025 +4.2
3/3 methods agree
Not in label — unassessedserious n=56 · ♀ 0% (drug 74%)no trial arm names this drug
Immune-mediated pancreatitis4636.5
26.8–49.7ROR 36.5 · calibrated p 1e-4 ✓
31.6 EB05 24.7 · IC025 +4.1
3/3 methods agree
Likely indication confounding
shares a disease stem with the indications wording
serious n=46 · 100% clinicianno trial arm names this drug
Immune-mediated lung disease21435.7
31.0–41.2ROR 35.8 · calibrated p 1e-4 ✓
31.3 EB05 28.0 · IC025 +4.6
3/3 methods agree
Not in label — unassessedserious n=214 · ♀ 45% (drug 74%) · 100% clinicianno trial arm names this drug
Radiation oesophagitis4635.3
25.9–48.0ROR 35.3 · calibrated p 2e-4 ✓
30.7 EB05 24.0 · IC025 +4.1
3/3 methods agree
Likely indication confounding
shares a disease stem with the indications wording
serious n=46 · ♀ 0% (drug 74%) · 100% clinicianno trial arm names this drug
Metastases to the mediastinum5035.0
26.1–47.1ROR 35.1 · calibrated p 2e-4 ✓
30.6 EB05 24.1 · IC025 +4.1
3/3 methods agree
Not in label — unassessedserious n=50no trial arm names this drug
Glucocorticoid deficiency4934.2
25.4–46.1ROR 34.3 · calibrated p 2e-4 ✓
29.9 EB05 23.5 · IC025 +4.1
3/3 methods agree
Not in label — unassessedserious n=49 · ♀ 100% (drug 74%) · 94% clinicianno trial arm names this drug
Immune-mediated hepatic disorder22033.3
28.9–38.3ROR 33.4 · calibrated p 2e-4 ✓
29.5 EB05 26.3 · IC025 +4.6
3/3 methods agree
Not in label — unassessedserious n=219 · 100% clinicianno trial arm names this drug
Computerised tomogram thorax abnormal8033.2
26.3–41.9ROR 33.2 · calibrated p 2e-4 ✓
29.3 EB05 24.3 · IC025 +4.3
3/3 methods agree
Not in label — unassessedserious n=80 · ♀ 100% (drug 74%) · 95% clinicianno trial arm names this drug
Cystoid macular oedema20331.3
27.1–36.2ROR 31.4 · calibrated p 2e-4 ✓
27.9 EB05 24.8 · IC025 +4.5
3/3 methods agree
Labeled adverse reaction
exact term
serious n=203 · 97% clinicianno trial arm names this drug
Immune-mediated hepatitis20730.2
26.1–34.8ROR 30.2 · calibrated p 3e-4 ✓
27.0 EB05 24.0 · IC025 +4.4
3/3 methods agree
Not in label — unassessedserious n=207 · 99% clinicianno trial arm names this drug
Immune-mediated encephalitis5230.0
22.5–40.0ROR 30.0 · calibrated p 3e-4 ✓
26.7 EB05 21.1 · IC025 +4.0
3/3 methods agree
Not in label — unassessedserious n=52 · 100% clinicianno trial arm names this drug
Myelosuppression3,42128.6
27.6–29.6ROR 29.8 · calibrated p 3e-4 ✓
25.8 EB05 25.1 · IC025 +4.6
3/3 methods agree
Labeled — boxed warning
exact term
age-adj. PRR 20.5 · serious PRR 15.3 · 96% clinicianno trial arm names this drug
Adrenocorticotropic hormone deficiency8628.0
22.4–35.0ROR 28.0 · calibrated p 4e-4 ✓
25.2 EB05 21.0 · IC025 +4.1
3/3 methods agree
Not in label — unassessedserious n=86 · 100% clinicianno trial arm names this drug
Immune-mediated thyroiditis4627.8
20.5–37.7ROR 27.8 · calibrated p 5e-4 ✓
24.9 EB05 19.4 · IC025 +3.8
3/3 methods agree
Not in label — unassessedserious n=46 · 100% clinicianno trial arm names this drug
Onycholysis15227.8
23.5–32.8ROR 27.8 · calibrated p 4e-4 ✓
25.0 EB05 21.9 · IC025 +4.3
3/3 methods agree
Not in label — unassessedserious n=148 · 97% clinicianno trial arm names this drug
Bronchopleural fistula3727.7
19.7–38.9ROR 27.7 · calibrated p 6e-4 ✓
24.8 EB05 18.8 · IC025 +3.7
3/3 methods agree
Not in label — unassessedserious n=36 · 100% clinicianno trial arm names this drug
Metastases to skin10027.7
22.5–34.0ROR 27.7 · calibrated p 5e-4 ✓
24.9 EB05 21.1 · IC025 +4.2
3/3 methods agree
Not in label — unassessedserious n=99 · 93% clinicianno trial arm names this drug
Immune-mediated nephritis4427.5
20.2–37.6ROR 27.6 · calibrated p 6e-4 ✓
24.7 EB05 19.2 · IC025 +3.8
3/3 methods agree
Not in label — unassessedserious n=44 · 100% clinicianno trial arm names this drug
Triple negative breast cancer6027.0
20.7–35.2ROR 27.0 · calibrated p 6e-4 ✓
24.3 EB05 19.6 · IC025 +3.9
3/3 methods agree
Not in label — unassessedserious n=60 · ♀ 100% (drug 74%) · 100% clinicianno trial arm names this drug
Metastases to pleura9926.9
21.8–33.1ROR 26.9 · calibrated p 5e-4 ✓
24.3 EB05 20.5 · IC025 +4.1
3/3 methods agree
Not in label — unassessedserious n=99 · 93% clinicianno trial arm names this drug
Immune-mediated renal disorder3625.9
18.4–36.6ROR 26.0 · calibrated p 8e-4 ✓
23.4 EB05 17.6 · IC025 +3.6
3/3 methods agree
Not in label — unassessedserious n=36 · 100% clinicianno trial arm names this drug
Radiation pneumonitis18223.7
20.4–27.6ROR 23.8 · calibrated p 9e-4 ✓
21.7 EB05 19.2 · IC025 +4.1
3/3 methods agree
Labeled adverse reaction
exact term
serious n=180 · ♀ 42% (drug 74%) · 91% clinicianno trial arm names this drug
Ovarian cancer recurrent13523.6
19.8–28.1ROR 23.6 · calibrated p 1e-3 ✓
21.6 EB05 18.7 · IC025 +4.0
3/3 methods agree
Not in label — unassessedserious n=135 · ♀ 100% (drug 74%) · 95% clinicianno trial arm names this drug
Metastases to peritoneum20522.8
19.8–26.3ROR 22.9 · calibrated p 0.001 ✓
21.0 EB05 18.7 · IC025 +4.1
3/3 methods agree
Not in label — unassessedserious n=205 · 94% clinicianno trial arm names this drug
Immune-mediated enterocolitis28422.4
19.9–25.3ROR 22.5 · calibrated p 0.001 ✓
20.6 EB05 18.7 · IC025 +4.1
3/3 methods agree
Not in label — unassessedserious n=284 · 99% clinicianno trial arm names this drug

Clinical concept groups

MedDRA splits one clinical problem across several terms (e.g. "neutropenia", "neutrophil count decreased", "agranulocytosis"), which dilutes term-level signals. These rows count reports with any term in a concept group (an exact union, not a sum), compared with all other drugs. Groups are hand-built and listed in the methods.

ConceptReportsPRR 95% CIReading
Neutropenia / agranulocytosis8,8799.59.3–9.7signal
Interstitial lung disease2,6777.37.1–7.6signal
Thrombocytopenia3,7214.44.3–4.5signal
Anaemia4,6774.03.9–4.2signal
Anaphylaxis / angioedema1,4833.12.9–3.2signal
Hyponatraemia9263.02.8–3.2signal
Liver injury3,2122.82.7–2.8signal
Severe cutaneous reaction6532.32.1–2.4signal
Heart failure1,4912.12.0–2.3signal
Venous thromboembolism1,6962.01.9–2.1raised
Osteonecrosis4171.91.7–2.0raised
Serious infection4,8391.61.6–1.7raised
Kidney injury2,6441.51.4–1.5raised
Rhabdomyolysis / myopathy4121.31.2–1.4raised
Gi bleeding7711.11.0–1.2raised
Arrhythmia / qt8071.11.0–1.1no difference

Trial evidence (ClinicalTrials.gov)

No completed trial with posted adverse-event results was found on ClinicalTrials.gov for Paclitaxel (Aibumin-Bound) (searched PACLITAXEL (AIBUMIN-BOUND).

Most frequently reported reactions

By raw co-report count, regardless of disproportionality. Common terms here are often the illness itself or generic outcomes.

ReactionReportsPRR 95% CI · ROR · χ²/pEBGM EB05 · IC025Label screenSerious-only & strataTrial cross-check
Nausea4,6181.5
1.5–1.5ROR 1.5 · calibrated p 0.665
1.5 EB05 1.5 · IC025 +0.5Labeled adverse reaction
exact term
age-adj. PRR 1.3 · serious PRR 1.7 · 93% clinicianno trial arm names this drug
Dyspnoea (shortness of breath)4,5922.1
2.0–2.2ROR 2.2 · calibrated p 0.973
2.1 EB05 2.0 · IC025 +1.0
3/3 methods agree
Labeled adverse reaction
exact term
age-adj. PRR 1.9 · serious PRR 1.7 · 94% clinicianno trial arm names this drug
Neutropenia (low neutrophils (infection-fighting cells))4,4928.8
8.5–9.0ROR 9.2 · calibrated p 0.042 ✓
8.5 EB05 8.3 · IC025 +3.0
3/3 methods agree
Labeled — boxed warning
exact term
age-adj. PRR 6.4 · serious PRR 5.2 · 95% clinicianno trial arm names this drug
Off label use (used outside approved label)4,4211.3
1.3–1.3ROR 1.3 · calibrated p 0.526
1.3 EB05 1.3 · IC025 +0.3Reporting / coding artifactage-adj. PRR 1.2 · serious PRR 1.4 · 92% clinicianno trial arm names this drug
Diarrhoea (diarrhea)4,2661.7
1.7–1.8ROR 1.7 · calibrated p 0.797
1.7 EB05 1.7 · IC025 +0.7Labeled adverse reaction
exact term
age-adj. PRR 1.4 · serious PRR 1.7 · 93% clinicianno trial arm names this drug
Anaemia (low red blood cells)3,9415.4
5.2–5.6ROR 5.6 · calibrated p 0.178
5.3 EB05 5.2 · IC025 +2.4
3/3 methods agree
Labeled adverse reaction
exact term
age-adj. PRR 4.1 · serious PRR 3.4 · 95% clinicianno trial arm names this drug
Malignant neoplasm progression3,7819.9
9.5–10.2ROR 10.3 · calibrated p 0.029 ✓
9.5 EB05 9.3 · IC025 +3.2
3/3 methods agree
Reporting / coding artifactage-adj. PRR 8.1 · serious PRR 5.8no trial arm names this drug
Myelosuppression3,42128.6
27.6–29.6ROR 29.8 · calibrated p 3e-4 ✓
25.8 EB05 25.1 · IC025 +4.6
3/3 methods agree
Labeled — boxed warning
exact term
age-adj. PRR 20.5 · serious PRR 15.3 · 96% clinicianno trial arm names this drug
Disease progression3,4187.6
7.4–7.9ROR 7.9 · calibrated p 0.069
7.4 EB05 7.2 · IC025 +2.8
3/3 methods agree
Reporting / coding artifactage-adj. PRR 6.4 · serious PRR 5.0 · 96% clinicianno trial arm names this drug
Fatigue (tiredness)3,3951.1
1.1–1.2ROR 1.1 · calibrated p 0.391
1.1 EB05 1.1 · IC025 +0.1Labeled adverse reaction
exact term
age-adj. PRR 0.9 · serious PRR 1.2 · 91% clinicianno trial arm names this drug
Neuropathy peripheral (nerve damage in hands/feet)3,2779.2
8.9–9.5ROR 9.5 · calibrated p 0.038 ✓
8.9 EB05 8.6 · IC025 +3.1
3/3 methods agree
Labeled — boxed warning
synonym match
age-adj. PRR 8.2 · serious PRR 6.1 · 92% clinicianno trial arm names this drug
Pyrexia (fever)3,1562.4
2.3–2.4ROR 2.4 · calibrated p 0.854
2.3 EB05 2.3 · IC025 +1.2
3/3 methods agree
Labeled adverse reaction
exact term
age-adj. PRR 2.0 · serious PRR 1.7 · 93% clinicianno trial arm names this drug
Vomiting3,1171.7
1.7–1.8ROR 1.7 · calibrated p 0.793
1.7 EB05 1.7 · IC025 +0.7Labeled adverse reaction
exact term
age-adj. PRR 1.4 · serious PRR 1.5 · 93% clinicianno trial arm names this drug
Febrile neutropenia3,11212.6
12.2–13.1ROR 13.1 · calibrated p 0.012 ✓
12.1 EB05 11.7 · IC025 +3.5
3/3 methods agree
Labeled — boxed warning
synonym match
age-adj. PRR 9.8 · serious PRR 7.2 · 94% clinicianno trial arm names this drug
Drug ineffective (drug did not work)2,5920.5
0.5–0.5ROR 0.5 · calibrated p 0.045 ✓
0.5 EB05 0.5 · IC025 -1.0
PRR-only: not supported by EBGM or IC
Reporting / coding artifactage-adj. PRR 0.6 · serious PRR 0.8 · 95% clinicianno trial arm names this drug

Unlabeled candidate signals

These flagged terms were not found in the FDA label text and do not match an artifact pattern. They are the pairs that would merit a structured assessment (temporality, dose-response, biological plausibility, consistency across databases, trial or cohort evidence). The screen has not done that; string-matching misses label wording, and a strong PRR can still be stimulated reporting, co-medication, or the disease itself.

✓ A hand-written Bradford Hill causality assessment exists for this drug: Paclitaxel ↔ Peripheral neuropathy.

Want to assess one of these properly? The runbook describes the Bradford Hill / trial-evidence workflow used on the assessment page, and handoff_top1000_signals.csv lists the strongest unassessed pairs across all drugs.

Common questions

What are the most reported side effects of Paclitaxel (Aibumin-Bound)?

In FDA FAERS, the most frequently co-reported reaction terms for Paclitaxel (Aibumin-Bound) are nausea, dyspnoea, neutropenia, diarrhoea, anaemia, myelosuppression. These are report counts, not rates: FAERS has no denominator, reporting is voluntary and uneven, and a term can be reported because of the illness being treated rather than the drug.

Does Paclitaxel (Aibumin-Bound) have an FDA boxed warning?

Yes. The current FDA label carries a boxed warning: SEVERE MYELOSUPPRESSION Do not administer paclitaxel protein-bound particles for injectable suspension (albumin-bound) therapy to patients with baseline neutrophil counts of less than 1,500 cells/mm 3 [see Contraindications (4) ].

Do FAERS signals prove that Paclitaxel (Aibumin-Bound) causes these side effects?

No. A disproportionality signal (PRR, ROR) means a reaction is reported more often with this drug than with others in the database. That can reflect a real effect, but also the disease being treated, stimulated reporting after news or litigation, co-medications, or how reports are coded. Causality needs temporality, dose-response, biological plausibility, consistency across data sources and, ideally, trial or cohort evidence. This page screens each term against the FDA label and ClinicalTrials.gov results; it does not establish causation.

Sources & methods

Page generated 2026-10-14. Label and PubChem text are retrieved automatically and may lag the current label; always check the current prescribing information. OpenPV is a beta research tool of the Open Source Medicine Foundation.