Please select the eligibility criteria that correspond to the clinical trial below.
Title: Combination Treatment With Bosentan and Sildenafil to Patients With Eisenmengers Syndrome
Brief Summary: The purpose of this study is to investigate if combination treatment with Bosentan and Sildenafil to patients with Eisenmenger syndrome is beneficial.


Options:
A: Inclusion Criteria:

* Male or females from 40 to 80 years of age
* Diagnosis of IPF
* Honeycombing (fibrosis in the lung) on high-resolution computerised tomography (HRCT) scan of less than or equal to 5%
* Willing and able to have 2 right heart catheterizations performed
* Willing to have monthly lab tests to monitor liver function
* Able to perform the 6 minute walk test (indicated adequate physical function)
* Must have meet lung function requirements
* Normal liver function tests
* Negative serum pregnancy test
* Willing to use at least 2 reliable methods of contraception
* Able to understand and willing to sign informed consent form

Exclusion Criteria:

* No restrictive lung disease (other than usual interstitial pneumonia or IPF)
* No obstructive lung disease
* No recent or active respiratory exacerbations
* No recent hospitalization for an IPF exacerbation
* No recent history of alcohol abuse
* Chronic sildenafil (or same drug class) use for pulmonary hypertension
* Chronic treatment with certain medications for IPF within 30 days of randomization
* No other serious medical conditions
B: Inclusion Criteria:

* Patients with known sarcoidosis 21.
* Age 18 or greater
* Patients with documented pulmonary hypertension with a PA mean \> 25 mm Hg as measured by cardiac catheterization within six months of entry into the study. Pulmonary artery occluding pressure and or left ventricular end diastolic pressure must be less than 15 mm Hg.
* Patients with WHO class II or III
* Six minute walk distance of between 100 to 500 meters
* Patients on stable immunotherapy for their sarcoidosis, including prednisone, methotrexate, azathioprine, hydroxychloroquine, cyclophosphamide, thalidomide, and/or infliximab
* Patients able to provide written consent

Exclusion Criteria:

* Patients on pulmonary vasodilator drugs (flolan, remodulin, bosentan, sildenafil) n the prior 28 days. Patients on stable dose of calcium channel blocker for more than 1 month prior to right heart catheterization can be continued on the calcium channel blocker.
* Patients with severe airway obstruction as defined by FEV1/FVC of less than 35%
* Patients with World Health Organization (WHO) class IV status.
* Patients who are pregnant or breast feeding
* Patients with significant left ventricular dysfunction with a left ventricular ejection fraction of less than 35%
* Cardiac index \< 2.0 liters and/or right atrial pressure \>15 mm Hg
* Significant liver dysfunction not due to sarcoidosis.
* Patients with severe other organ disease felt by investigators to impact on survival during the course of the study.
* Patients unable to perform the 6 minute walk study
C: Main Inclusion Criteria:

* Male or female of at least 18 years of age
* Confirmed diagnosis of portopulmonary hypertension

Main Exclusion Criteria:

* Severe hepatic impairment
* Severe obstructive or restrictive lung disease
* Pulmonary veno-occlusive disease
* Systolic blood pressure (SBP) \< 90 mmHg at Screening
* ALT/AST \>= 3 x ULN
* Bilirubin \>= 3 mg/dL at Screening
* Any known factor or disease that might interfere with treatment compliance, study conduct, or interpretation of results
D: Inclusion Criteria:

* Eisenmenger syndrome
* Negative pregnancy test

Exclusion Criteria:

* Elevated liver enzymes to more than 3´times normal value
* Hypotension (SBP \< 90 mmhg).
* Mandatory treatment with nitrates
* Myocardial infarction within 3 months
* Stroke within 3 months
* Known allergy to Bosentan or Sildenafil
* inherited degenerative diseases in retina
* Breast feeding
* Suspicion of risc of noncompliance.

Answer: D