Evidence mapPaperPMID 40826034Full record

ArticleBMC cancer2025

A comparative analysis of Palbociclib and Ribociclib in metastatic hormone receptor-positive, HER2-negative breast cancer: a prospective mid term follow-Up study from an Indian cohort.

Nihanthy D Sreenath, Suresh Pandalanghat, Amul Kapoor, Rajath Govind, M R Kaushik, Rajesh Nair, Dipen Bhuva, Anvesh Rathore, Manish Kumar, Deepak Mulajker

Abstract readComparative Study
In one paragraph

Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Nihanthy D SreenathSaroj Gupta Cancer Centre & Research Institute, Kolkata, India. nihanthyds@gmail.com.
Suresh PandalanghatMedicine & Medical Oncology, Army Hospital (R&R), New Delhi, India.
Amul KapoorMedicine & Medical Oncology, Army Hospital (R&R), New Delhi, India.
Rajath GovindMedicine & Medical Oncology, Army Hospital (R&R), New Delhi, India.
M R KaushikMedicine & Medical Oncology, INHS Asvini, Mumbai, India.
Rajesh NairMedicine & Medical Oncology, Command Hospital (Central Command), Lucknow, India.
Dipen BhuvaBlood and Cancer Institute, Surat, India.
Anvesh RathoreMedicine & Medical Oncology, Army Hospital (R&R), New Delhi, India.
Manish KumarMedicine & Medical Oncology, Army Hospital (R&R), New Delhi, India.
Deepak MulajkerMedicine & Medical Oncology, Army Hospital (R&R), New Delhi, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionCyclin-dependent kinase 4/6 (CDK4/6) inhibitors, such as Palbociclib and Ribociclib, have significantly improved outcomes for patients with hormone receptor-positive, HER2-negative (HR+/HER2-) advanced breast cancer. Although clinical trials have established the efficacy of these agents globally, real-world data from India is limited. This study compares the clinical effectiveness and safety profiles of Palbociclib and Ribociclib in a cohort of Indian patients. MATERIALS AND

methodsThis prospective study included 60 patients with metastatic HR+/HER2- breast cancer treated at Army hospitals and research centers in India between 2020 and 2023. Progression-free survival (PFS), overall survival (OS), and safety profiles were analyzed to assess the real-world performance of Palbociclib and Ribociclib. Patients were treated with either Palbociclib or Ribociclib in combination with standard endocrine therapy.

resultsAmong the 60 patients, the median PFS was 39.40 months for the Palbociclib group and 42.93 months for the Ribociclib group (p = 0.26), indicating no statistically significant difference. The median OS was 41.98 months in the Palbociclib group and 45.51 months in the Ribociclib group (p = 0.15), with Ribociclib showing a slight but non-significant survival advantage. The most common adverse event was neutropenia, which occurred in 26% of patients receiving Palbociclib and 23% of patients on Ribociclib. Deranged liver function tests (LFTs) and fatigue were also reported in both groups.

conclusionsPalbociclib and Ribociclib demonstrated comparable efficacy and safety profiles in this Indian cohort. While no statistically significant differences in PFS or OS were observed, the data suggest a marginal survival benefit with Ribociclib. These findings underscore the importance of individualized treatment plans in HR+/HER2- breast cancer, taking into consideration patient-specific factors. Larger studies with longer follow-up are needed to further clarify the nuances between these two agents.

Indexed as

AminopyridinesAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsPiperazinesPurinesPyridinesAdultAgedErb-b2 Receptor Tyrosine KinasesFemaleFollow-Up StudiesHumansIndiaMiddle AgedNeoplasm MetastasisProspective StudiesAminopyridinesERBB2 protein, humanErb-b2 Receptor Tyrosine KinasespalbociclibPiperazinesPurinesPyridinesReceptors, EstrogenReceptors, ProgesteroneribociclibCDK4/6 inhibitorsHR+/HER2- breast cancerMetastatic breast cancerPalbociclibReal-world evidenceRibociclib

Identifiers

PMID40826034
PMCPMC12362974

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.