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Phase I Platinum Based Chemotherapy Plus Indomethacin

Phase I Study Evaluating Indomethacin in Combination With Platinum-based Chemotherapy

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01719926
Acronym
PIFA
Enrollment
13
Registered
2012-11-01
Start date
2012-09-01
Completion date
2017-08-30
Last updated
2026-06-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal Neoplasms, Esophageal Neoplasms, Ovarian Neoplasms

Keywords

Colorectal, Esophageal, Indomethacin, PIFA

Brief summary

Mesenchymal stem cells (MSCs) are present in the circulation of cancer patients, and are recruited to the stroma of both the primary tumor and metastasis. Recent preclinical research has shown that in response to platinum-based chemotherapy, MSCs secrete two specific platinum-induced fatty acids (PIFAs) which induce resistance to a broad spectrum of chemotherapies. The secreted PIFAs are the fatty acid oxo-heptadecatetraenoic acid (KHT) and the omega-3 fatty acid hexadecatetraenoic acid (16:4). These PIFAs are produced via the COX-1 pathway. COX inhibitors, including indomethacin. This phase 1 study explores the safety of combining indomethacin with platinum containing chemotherapy.

Interventions

DRUGIndomethacin

3 times per day from 2 days before until 5 days after chemotherapy. Escalating dosage each cohort.

Sponsors

UMC Utrecht
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Subjects with a histological proven malignancy receiving cisplatin combined with gemcitabine or 5FU/capecitabine. (cisplatin dose range 60-80 mg/m2) (Arm I) or CAPOX (oxaliplatin, capecitabine) (Arm II) in a 21 day cycle. * Age ≥ 18 years * Platinum-based chemotherapy naïve for at least 6 months. * Subjects with at least one evaluable lesion. * WHO Performance Status of 0 or 1. * Female participants should be of non-child bearing potential either physiologic or by using adequate contraception, have a negative serum pregnancy test, and refrain from breast feeding. * Written informed consent.

Exclusion criteria

* Known or suspected allergy or hypersensitivity to indomethacin or any agent given in association with this trial, in particular subjects who have a history of severe hypersensitivity reactions to anti-emetics (5-HT3 antagonists, metoclopramide or corticosteroids) and acetylsalicylic acid or other prostaglandin synthetase inhibitors. * Symptomatic brain or meningeal tumors * Subjects with seizure disorder requiring medication (such as corticosteroids or anti-epileptics). * Any of the following concurrent severe and/or uncontrolled medical conditions which could compromise participation in the study: * Uncontrolled high blood pressure, history of labile hypertension, or history of poor compliance with an antihypertensive regimen * Unstable angina pectoris * Symptomatic congestive heart failure NYHA class ≥ 3 (see appendix 13.6) * Myocardial infarction ≤ 6 months prior to randomization * Serious uncontrolled cardiac arrhythmia * Active peptic ulcer disease, gastritis, inflammatory bowel disease. * History of active gastrointestinal bleeding * History of cerebrovascular disease * Bleeding diathesis * Chronic renal disease defined as GFR (MDRD) \<60 ml/min * Absolute Neutrophil Count (ANC) \< 1.5 x 109/L (\< 1500/mm3) * Platelets (PLT) \< 100 x 109/L (\< 100,000/mm3) * Hemoglobin (Hgb) \< 6.0 mmol/l (patients may be transfused to achieve adequate Hb) * Partial thromboplastin time (PTT) \> 1,5 x ULN * Serum bilirubin \> 1.5 ULN * Aspartate aminotransferase (AST/SGOT) and alanine aminotransferase (ALT/SGPT) \> 3.0 x ULN (\> 5 x ULN if liver metastases present) * Patients who are unable or unwilling to comply with the protocol * Chronic treatment with a corticosteroid agent (nebulized corticosteroids are allowed) * Patients who received radiation therapy within 4 weeks of the start of the study * Patients who received an experimental agent less than 4 weeks before start of the study. * Patients who used Omega-3/omega-6 containing products, including fish oil products less than 2 weeks before start of the study. * Chronic use of NSAID's and/or acetylsalicylic acid and/or other prostaglandin synthetase inhibitors. * Use of anticoagulant therapy

Design outcomes

Primary

MeasureTime frame
Number of dose limiting toxicities at each dosage cohortFrom first dose of indomethacin until 28 days after last dose of indomethacin

Secondary

MeasureTime frameDescription
PharmacodynamicsDuring first 2 cycles of 3 weeks eachSerum levels of mesenchymal stem cells and platinum induced fatty acids at T = pre-chemotherapy, one, two and four hours expressed in pmol/L.
EfficacyFrom baseline to date of progressive disease according RECIST 1.1, approximately 9 to 18 weeksEfficacy will be assessed according RECIST 1.1 criteria. Progression free survival is defined as time from baseline CT scan to progressive disease according RECIST 1.1 criteria.

Countries

Netherlands, Switzerland

Contacts

PRINCIPAL_INVESTIGATORF.Y.F.L. de Vos, MD/PhD

UMC Utrecht

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 5, 2026