DISEASE CHARACTERISTICS:

• Histologically or cytologically confirmed adenocarcinoma of the breast

  • Metastatic or recurrent disease

• Measurable disease

  • Bone only disease is not eligible
• No hematologic malignancy

• No carcinomatous meningitis and/or untreated or uncontrolled brain parenchymal disease

  • At least 8 weeks since prior therapy for brain parenchymal disease and patient must be asymptomatic from CNS disease

• Hormone receptor status:

  • Not specified

PATIENT CHARACTERISTICS:

Age:

• 18 and over

Sex:

• Female

Menopausal status:

• Premenopausal or postmenopausal

Performance status:

• ECOG 0-2

Life expectancy:

• Not specified

Hematopoietic:

• WBC at least 3,000/mm^3
• Absolute neutrophil count at least 1,500/mm^3
• Platelet count at least 100,000/mm^3

Hepatic:

• Bilirubin no greater than upper limit of normal (ULN)

• One of the following:

  • SGOT and SGPT no greater than 2.5 times ULN AND
  • Alkaline phosphatase no greater than ULN OR
  • SGOT and SGPT no greater than ULN AND
  • Alkaline phosphatase no greater than 4 times ULN

Renal:

• Creatinine no greater than 2.0 mg/dL

Cardiovascular:

• No unstable angina
• No uncontrolled atrial or ventricular arrhythmias
• No congestive heart failure
• No uncontrolled hypertension

Other:

• No other malignancy within the past 5 years except curatively treated basal cell or squamous cell skin cancer, carcinoma in situ of the cervix, or contralateral breast cancer
• No active unresolved infection
• No poorly controlled diabetes mellitus
• No prior hypersensitivity reactions to sulindac or Polysorbate 80
• No peripheral neuropathy grade 2 or greater
• No active peptic ulcer disease
• Not pregnant or nursing
• Negative pregnancy test
• Fertile patients must use effective contraception

PRIOR CONCURRENT THERAPY:

Biologic therapy:

• At least 4 weeks since prior immunotherapy
• No concurrent biological response modifiers
• No concurrent trastuzumab (Herceptin)

Chemotherapy:

• No more than 1 prior chemotherapy regimen in the adjuvant setting
• No more than 1 prior chemotherapy regimen for recurrent or metastatic disease
• No prior docetaxel
• Prior paclitaxel allowed
• At least 1 week since prior chronic sulindac
• At least 4 weeks since prior chemotherapy (6 weeks for nitrosoureas or mitomycin)
• No other concurrent sulindac
• No other concurrent chemotherapy

Endocrine therapy:

• Not specified

Radiotherapy:

• At least 4 weeks since prior radiotherapy
• No prior radiotherapy to more than 25% of bone marrow
• No concurrent radiotherapy

Surgery:

• Not specified

Other:

• At least 1 week since prior antibiotics
• At least 4 weeks since prior investigational agents
• No other concurrent investigational drugs
• No other concurrent antineoplastic therapy
• No concurrent chronic (full dose for more than 2 weeks) nonsteroidal anti-inflammatory drugs (except ibuprofen or naproxen sodium), including cyclo-oxygenase-2 inhibitors and salicylates (e.g., aspirin, mesalamine, azodisalicylate, salsalate, or sulfasalazine)
• No concurrent parenteral antibiotics
• Concurrent low-dose aspirin for cardiovascular prevention allowed