Please select the eligibility criteria that correspond to the clinical trial below.
Title: Protocol F1J-MC-HMEO Duloxetine Versus Placebo in the Treatment of Chronic Low Back Pain
Brief Summary: The primary purpose of your participation in this study is to help answer the following research question, and not to provide you treatment for your condition--Whether duloxetine once daily can help patients with Chronic Low Back Pain.


Options:
A: Inclusion Criteria:

* Male or female outpatients with osteoarthritis knee pain.

Exclusion Criteria:

* Serious cardiovascular, hepatic, renal, respiratory, or hematologic illness, or other medical or psychiatric condition that, in the opinion of the investigator, would compromise participation or be likely to lead to hospitalization during the course of the study.
* Previous exposure to duloxetine.
B: Inclusion Criteria:

* Knee pain and osteophytes on radiographs OR
* Knee pain plus patient age of 40 years or older, morning stiffness lasting 30 minutes or less, and crepitus (cracking sound) during motion
* Experiences chronic pain for 6 months or longer
* Average pain rating of worse knee is equal to 4 or greater on a 0-10 scale
* If female, is not pregnant or breast feeding, and not currently attempting to conceive; if of childbearing potential, use of a highly effective method of birth control (as determined by Pl)
* Able to walk at least ½ a city block a day, and agrees to try and slowly increase that over the course of study
* Able to read and speak English and provide informed consent
* Able to understand and comply with all data collection methodology including electronic diary
* Subject agrees to 1) continue their stable drug regimen with no changes during the course of study, 2) only use Tylenol 325 mg of tablets (a maximum of 8 tablets a day) for breakthrough pain, and 3) not use Tylenol or any other pain medicines 12 hours before testing.

Exclusion Criteria:

* Subject takes SNRIs (Savella, Cymbalta, Venlafaxine) or other neuroamine re-uptake blockers for mood disorders
* Subject is allergic to SSRIs, SNRIs, or milnacipran
* Subject has severe or untreated psychiatric disturbance (e.g. mania, depression, anxiety, substance dependence)
* Subject is medicated with 'triptans, MAOIs, SSRIs, other SNRIs, tricyclic or heterocyclic antidepressants, lithium, epinephrine, norepinephrine, clonidine or digoxin during the trial
* Subject has a clinical diagnosis of fibromyalgia
* Subject has severe ongoing or unaddressed medical conditions (e.g. Renal or Hepatic disease \[creatinine\>1.5 ml/dl; AST or ALT\> 3x normal limit\], uncontrolled hypertension, severe cardiac rate or rhythm disorders, rheumatologic disease (e.g. polymyalgia rheumatica), narrow angle glaucoma, hyponatremia, clotting disorders, uncontrolled seizure disorder or urinary retention)
* Subject has cardiac implants
* Subject has a knee replacement
* Subject plans to start new pain treatments or therapies during the study (e.g. new pain medication, injections, PT, surgery)
C: Inclusion Criteria: - Male/Female outpatients 18 years of age with chronic low back pain. Exclusion Criteria: - You have a serious or unstable disease of the heart or blood vessels, liver, kidney, lungs, or blood-related illness, problems with decreased blood flow to arms and legs (peripheral vascular disease), or other medical conditions, or psychiatric conditions that, in the opinion of the investigator, would affect your participation or be likely to lead to hospitalization during the course of the study. - Have acute liver injury (such as hepatitis) or severe cirrhosis. - Have had previous exposure to duloxetine. - Have a body mass index (BMI) over 40. - Have major depressive disorder. - Require daily narcotics.
D: Inclusion Criteria:

* Meet clinical and radiographic criteria for the diagnosis of OA of the knee or hip with pain for ≥14 days of each month for 3 months prior to study entry
* Have a rating ≥4 on the Brief Pain Inventory (BPI) 24-hour average pain item (Question 3 of the BPI modified short form) at both Screening and Randomization

Exclusion Criteria:

* Have previously completed/withdrawn from this study or any other study investigating duloxetine (Note: Participants who have been previously screened for a duloxetine study other than this study and never received investigational product will be eligible for this study if they meet all current entry criteria)
* Have had previous exposure to duloxetine
* Have any previous diagnosis of psychosis, bipolar disorder, or schizoaffective disorder
* Current (within 1 year of Screening) Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition Axis I diagnosis of major depressive disorder, anxiety disorders (excluding phobias), alcohol or eating disorders, as determined by the Mini-International Neuropsychiatric Interview or a previous diagnosis
* Have a history of substance abuse or dependence within the past year, excluding nicotine and caffeine
* Are taking any excluded medications that cannot be discontinued at Screening
* Have had treatment with a monoamine oxidase inhibitor (MAOI) within 14 days of randomization or the potential need to use an MAOI during the study or within 5 days of discontinuation of investigational product
* Have a positive urine drug screen for any substance of abuse or excluded medication
* Have serious cardiovascular, hepatic, renal, respiratory, or hematologic illness, or other medical or psychiatric condition that, in the opinion of the investigator, would compromise participation or be likely to lead to hospitalization during the course of the study
* Have a history of recurrent seizures other than febrile seizures
* Are judged clinically by the investigator to be at suicidal risk according to the Columbia - Suicide Severity Rating Scale (C-SSRS): a "Yes" answer to either Question 4 (Active Suicidal Ideation with Some Intent to Act, Without Specific Plan) or Question 5 (Active Suicidal Ideation with Specific Plan and Intent) on the"Suicidal Ideation" portion of the C-SSRS or a "Yes" answer to any of the suicide related behaviors (actual attempt, interrupted attempt, aborted attempt, preparatory act or behavior) on the "Suicidal Behavior" portion of the C-SSRS, with the ideation/behavior having occurred within the previous month
* Have uncontrolled narrow-angle glaucoma
* Have acute liver injury (such as hepatitis) or severe cirrhosis
* Have known hypersensitivity to duloxetine or any of the inactive ingredients or have frequent/severe allergic reactions to multiple medications
* Have frequent falls that could result in hospitalization or could compromise response to treatment
* Have a diagnosis of inflammatory arthritis \[that is, rheumatoid arthritis (RA)\] or an autoimmune disorder (excluding inactive Hashimoto's thyroiditis)
* Have received intra-articular hyaluronate/steroids, joint lavage, or other invasive therapies to the index joint in the previous 3 months
* Have had arthroscopy of the index joint within the previous year or joint replacement of the index joint at any time
* Have surgery of the index joint scheduled to occur during the trial or are anticipated by the investigator to require surgery for the treatment of the OA of the index hip or knee along the duration of the study
* Have had a prior synovial fluid analysis showing a white blood cell (WBC) count ≥2000 cubic millimeter (mm3) that is indicative of a diagnosis other than OA
* Are non-ambulatory or require the use of crutches or a walker
* Have a body mass index \>40
* Are anticipated by the investigator to require use of analgesic agents including, but not limited to, nonsteroidal anti-inflammatory drugs (NSAIDs), acetaminophen/paracetamol, and opioids, or other excluded medication for the duration of the study

Answer: C