Formula CX 1000 mg by TumoRx

EFFECTIVE

• Cardiovascular disease diagnosis. Adenosine intravenous infusion is FDA-approved for use in cardiac stress testing to diagnose coronary artery disease (CAD). Details: Adenosine is infused at a dose of 0.14 mg/kg/minute for 6 minutes as an adjunct to thallium stress testing in patients who are unable to exercise adequately (15). Caffeine is a competitive antagonist at adenosine receptors and should be avoided for 24 hours prior to the test (9157,11770).
• Paroxysmal supraventricular tachycardia. Adenosine intravenous injection is FDA-approved for acute management of paroxysmal supraventricular tachycardia (PSVT). Details: Adenosine is indicated for termination of PSVT. It is given intravenously as a bolus of 6 mg over 1-2 seconds, followed by 1 or 2 further boluses of 12 mg at 1-2 minute intervals if necessary (15).

POSSIBLY EFFECTIVE

• Cachexia. Intravenous adenosine triphosphate may be beneficial in cachexic patients with various cancers. Oral adenosine has not been evaluated for this purpose. Details: Administering adenosine triphosphate (ATP) intravenously, up to 75 mcg/kg/minute for 30 hours every 2-4 weeks for up to 28 weeks, seems to stabilize body composition, appetite, and dietary intake, and to improve quality of life in people with advanced non-small-cell lung cancer and other tumors (9149,9151,9152).

POSSIBLY INEFFECTIVE

• Myocardial Infarction (MI). Intravenous or intracoronary adenosine does not seem to be beneficial for acute coronary syndrome. Oral adenosine has not been evaluated for this purpose. Details: A meta-analysis of 17 clinical studies in patients with acute coronary syndrome undergoing revascularization shows that administration of intracoronary or intravenous adenosine does not reduce major adverse cardiac events when compared with placebo. Adenosine also does not reduce all-cause death, non-fatal MI, or heart failure when compared with placebo. However, adenosine is associated with an increased risk of atrioventricular block (111744). The interpretation of these findings is limited by the heterogeneity of the included studies. In addition, most studies were in patients treated with percutaneous coronary intervention; the generalizability of these results to patients treated with thrombolysis is unclear.
• Postoperative nausea and vomiting (PONV). Parenteral adenosine does not seem to be beneficial for PONV. Oral adenosine has not been evaluated for this purpose. Details: A meta-analysis of 4 clinical studies shows that adenosine, administered intravenously or intrathecally, does not reduce PONV when compared with placebo (97981).
• Postoperative pain. Parenteral adenosine does not seem to be helpful for postoperative pain. Oral adenosine has not been evaluated for this purpose. Details: A meta-analysis of 9 clinical studies shows that adenosine, administered intravenously or intrathecally, does not reduce postoperative pain scores when compared with placebo (97981).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Androgenic alopecia. It is unclear if topical adenosine is beneficial in patients with androgenic alopecia. Details: Preliminary clinical research shows that topical application of adenosine 0.75% solution to the scalp twice daily for 6 months does not improve hair growth in males with androgenic alopecia. However, patients applying topical minoxidil 5% (Rogaine) also experienced no improvement at 6 months, with over 97% of patients in each group reporting less than 30% hair growth in the affected area (93689).
• Athletic performance. It is unclear if oral adenosine triphosphate is beneficial for improving athletic performance. Details: Preliminary clinical research in healthy males performing 10 repeated sprinting bouts shows that taking adenosine triphosphate (PEAK ATP, TSI USA, Inc) 400 mg orally daily for 2 weeks prior to the exercise increases muscle excitability during the first two bouts and attenuates reductions in power output and muscle excitability during the final three bouts when compared with placebo (97982).
• Erectile dysfunction (ED). Oral adenosine monophosphate has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research shows that taking adenosine monophosphate 200 mg plus arginine aspartate 8 grams orally 1-2 hours prior to sexual intercourse improves erectile function and sexual satisfaction scores when compared with placebo in patients with erectile dysfunction (93690). It is not clear if this effect is due to adenosine, arginine, or the combination.
• Hearing loss. Oral adenosine triphosphate has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in adults with idiopathic sudden sensorineural hearing loss shows that taking adenosine triphosphate 300 mg orally daily with vitamin B12 1.5 mg orally daily for 8-16 weeks is associated with modestly reduced hearing loss after 4-6 months when compared with taking this combination for less than 8 weeks (104924). The validity of this finding is limited by the observational nature of the study and the lack of a control group.
• Herpes labialis (cold sores). It is unclear if intramuscular adenosine monophosphate is beneficial in patients with herpes labialis. Oral adenosine has not been evaluated for this purpose. Details: Preliminary clinical research shows that a gel formulation of adenosine monophosphate 1.5-2 mg/kg IM every other day for a total of 9-12 injections might accelerate the healing of cold sores and reduce the risk of recurrence (9590). The validity of these findings is limited by the lack of a control group.
• Herpes zoster (shingles). It is unclear if intramuscular adenosine monophosphate is beneficial in adults with herpes zoster. Oral adenosine has not been evaluated for this purpose. Details: Preliminary clinical research in adults with shingles shows that giving adenosine monophosphate in a gel formulation, 100 mg IM three times weekly for 4 weeks, increases the number of patients classified as pain-free at 4 weeks by 45% and might also accelerate viral clearance when compared with placebo (9155,10067).
• Lung cancer. Intravenous adenosine triphosphate does not seem to be beneficial in patients with advanced non-small-cell lung cancer (NSCLC). Oral adenosine has not been evaluated for this purpose. Details: One very small clinical study in adults with advanced NSCLC shows that giving adenosine triphosphate in at least 3, 96-hour infusions at a dose of 50 mcg/kg/min or more does not induce complete or partial responses when compared to baseline (9154).
• Neuropathic pain. It is unclear if intrathecal adenosine is beneficial for experimentally-induced neuropathic pain. Oral adenosine has not been evaluated for this purpose. Details: Preliminary clinical research in healthy volunteers with areas of allodynia and hyperalgesia induced by topical capsaicin shows that giving single doses of intrathecal adenosine 0.5-2 mg modestly reduces these areas (9157). The clinical significance of this finding is unclear.
• Porphyria cutanea tarda. It is unclear if oral adenosine monophosphate is beneficial in patients with porphyria cutanea tarda. Details: A case series of 21 patients with porphyria cutanea tarda shows that taking adenosine monophosphate 160-200 mg orally daily for at least 4 weeks resolves or reduces symptoms, including photosensitivity, hyperpigmentation, and hypertrichosis, and decreases urinary and fecal excretion of porphyrins, when compared to baseline (106423). The validity of these findings is limited by the lack of a control group.
• Pulmonary hypertension. Adenosine given by central venous infusion might be beneficial in patients who develop pulmonary hypertension during cardiac surgery. Details: Preliminary clinical research in patients who develop pulmonary hypertension during cardiac surgery shows that giving a central venous infusion of adenosine, 50 mcg/kg/minute for 15 minutes after weaning from cardiopulmonary bypass, produces pulmonary vasodilation and reduces mean pulmonary arterial pressure (106424). The validity of these findings is limited by the lack of a control group. More evidence is needed to rate adenosine for these uses.

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EFFECTIVE

• Pancreatic insufficiency. Oral prescription pancreatic enzyme products improve digestion in patients with exocrine pancreatic insufficiency due to various causes. It is unclear if non-prescription pancreatic enzyme products would be beneficial; their use is not recommended. Details: Prescription pancreatic enzyme products are effective for improving fat, protein, and total energy absorption in patients with exocrine pancreatic insufficiency due to cystic fibrosis, chronic pancreatitis, pancreas resection or removal, or other conditions (67622,67634,67676,67688,67694,67699,67714) (98667,98674,98676,98677,99115,99116,99118,99119,99120,99122)(99124,99125,99126,99127). Improvement in fat absorption and digestion occurs in as little as 1 week. Symptoms such as gas and abdominal discomfort are also improved in most patients (98667,98674,98677). Various prescription products have been approved by the US Food and Drug Administration (FDA) for this indication (95743). These prescription pancreatic enzyme products are typically used at a starting dose of 500-1000 lipase units/kg body weight per meal to a maximum of 2500 lipase units/kg body weight per meal or 10,000 lipase units/kg body weight daily or 4000 lipase units/gram of fat daily (99130). Despite being beneficial for most patients with exocrine pancreatic insufficiency, there is some evidence that prescription pancreatic enzyme products might not be beneficial in all patients. In patients with pancreatic insufficiency following gastrectomy for gastric cancer, research on prescription pancreatic enzyme products shows conflicting results (67617,95744). Also, a small study shows that taking a prescription pancreatic enzyme product for 26-30 days does not improve time to recovery from pancreatic insufficiency related to acute pancreatitis (99117). However, the small size of most of these studies limit the reliability of the results. One large clinical study shows that taking prescription pancreatic enzyme products for pancreatic insufficiency following pancreatoduodenectomy does not improve body weight or serum albumin levels. However, the dose used in this study was lower than recommended in the US guidelines, and adherence to the prescribed regimen was poor (102322). There is no strong evidence that supplemental forms of pancreatic enzyme products help with digestion in patients with pancreatic insufficiency. Non-prescription pancreatic enzyme products are not recommended for this use.

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Atopic dermatitis (eczema). It is unclear if oral pancreatic enzyme products are beneficial in children with atopic dermatitis. Details: A small clinical study in children with refractory atopic dermatitis and food allergies shows that taking a specific prescription pancreatic enzyme product (Creon, Solvay Pharma) 37,500 or 75,000 protease units with each meal and 18,750 or 37,500 protease units with each snack for 6 weeks reduces the severity of atopic dermatitis when compared with baseline (102321). The validity of this finding is limited by the lack of a comparator group.
• HIV/AIDS. It is unclear if oral pancreatic enzyme products are beneficial in children with HIV. Details: Nutrient malabsorption is common in individuals with HIV/AIDS, possibly leading to malnutrition. Preliminary clinical research in children aged 1-14 years with HIV shows that taking a prescription pancreatic enzyme product (Creon 10,000) 1000 lipase units per gram of digested fat for 2 weeks reduces fecal fat loss when compared with baseline. Although improvement occurred in all of the children, a complete response, resulting in no steatorrhea, occurred in only 33% (99123). The validity of these findings is limited by the lack of a comparator group.
• Nonalcoholic fatty liver disease (NAFLD). It is unclear if oral pancreatic enzyme products are beneficial in patients with NAFLD following pancreaticoduodenectomy. Details: NAFLD is a common complication post-pancreaticoduodenectomy (PD). A small clinical study in patients who developed NAFLD after PD shows that taking a prescription pancreatic enzyme product (LipaCreon, marketed as Creon in the US) 1800 mg daily for 6 months improves the liver-to-spleen attenuation ratio on computed tomography when compared with baseline, suggesting a reduction in hepatic fat content. Liver function was also improved, and most patients showed improvement in symptoms such as diarrhea (99113). The validity of these findings is limited by the lack of a comparator group. Although another preliminary clinical study shows that taking this prescription product for 12 months is as effective for preventing NAFLD after PD as taking specific non-prescription pancreatic enzyme products, including Politose (Takeda Pharmaceutical Co. Ltd) 1800 mg daily or Toughmac-E (Ono Pharmaceutical Co. Ltd) 3 grams daily for 10-12 months (99112), this study was underpowered and was not necessarily designed to detect between-group differences.
• Pancreatic cancer. It is unclear if oral pancreatic enzyme products improve nutrition status and health in patients with clinically overt exocrine pancreatic insufficiency resulting from pancreatic cancer. Details: Exocrine pancreatic insufficiency can be a complication of pancreatic cancer. One clinical study in patients with unresectable pancreatic cancer shows that taking a prescription pancreatic enzyme product (Norzyme, Nordmark Arzneimittel GmbH & Co. KG; not available in the US) 6-9 capsules daily for 8-24 weeks does not increase body weight, global assessment, quality of life, or survival when compared with placebo (99114). Another preliminary clinical study shows that taking a high-dose pancreatic enzyme product providing 48,000 lipase units per meal for 8 weeks during chemotherapy does not improve body mass index, nutritional parameters, or survival when compared with no treatment (99111). However, in both studies, clinically overt exocrine pancreatic insufficiency was absent in most of the patients. In a study in which clinically overt exocrine pancreatic insufficiency was more prevalent, taking a prescription pancreatic enzyme product (Panzytrat 25,000, Nordmark GmbH; not available in the US) 50,000 lipase units per meal three times daily for 8 weeks appears to increase body weight by about 5% when compared with placebo (67708). More evidence is needed to rate pancreatic enzyme products for these uses.

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LIKELY SAFE ...when adenosine is used intravenously and appropriately. Adenosine injection (Adenocard, Adenoscan) is an FDA-approved prescription drug (15).

POSSIBLY SAFE ...when adenosine triphosphate (ATP) is used intravenously and appropriately. ATP appears to be safe in intravenous doses of 75 mcg/kg per minute for 30 hours given every 2 weeks for 28 weeks (9149,9154). There is insufficient reliable information available about the safety of adenosine when used orally or intramuscularly.

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

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LIKELY SAFE ...when prescription pancreatic enzyme products are used orally and appropriately under the guidance of a healthcare professional (98667,98674,98676,98677,99115,99116,99118,99120,99122,99124)(99125,99126,99127). Prescription pancreatic enzyme products are typically initiated at a dose of 500-1000 lipase units/kg body weight per meal to a maximum of 2500 lipase units/kg body weight per meal or 4000 lipase units/gram of fat daily. Doses higher than 2500 lipase units/kg body weight per meal are prescribed only if medically necessary (99130).

POSSIBLY UNSAFE ...when prescription pancreatic enzyme products are used orally at doses over 2500 lipase units/kg body weight per meal or 10,000 lipase units/kg body weight daily. Higher doses, especially those greater than 6000 lipase units/kg body weight per meal, have been associated with fibrosing colonopathy (99130). There is insufficient reliable information available about the safety of supplemental forms of pancreatic enzyme products.

CHILDREN: LIKELY SAFE
when prescription pancreatic enzyme products are used orally and appropriately under the guidance of a healthcare professional (99118,99119,99120,99121,99122,99124,99125,99126). Prescription pancreatic enzyme products are usually initiated at a dose of 500-1000 lipase units/kg body weight per meal to a maximum of 2500 lipase units/kg body weight per meal or 4000 lipase units/gram fat daily. Doses higher than 2500 lipase units/kg body weight per meal are prescribed only if medically necessary (99130).

CHILDREN: POSSIBLY UNSAFE
when prescription pancreatic enzyme products are used orally at doses over 2500 lipase units/kg body weight per meal or 10,000 lipase units/kg body weight daily. Higher doses, especially those greater than 6000 lipase units/kg body weight per meal, have been associated with fibrosing colonopathy (99130). There is insufficient reliable information available about the safety of supplemental forms of pancreatic enzyme products.

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using unless essential for replacement therapy (15).

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CARBAMAZEPINE (Tegretol) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Carbamazepine might increase the risk of heart block when used concomitantly with adenosine.  Details Carbamazepine and adenosine can both cause heart block. Giving them concurrently might produce an additive effect (15).

DIPYRIDAMOLE (Persantine) Interaction Rating = Major Do not take this combination. Severity = High •  Occurrence = Likely •  Level of Evidence = D Dipyridamole can increase the therapeutic and toxic effects of adenosine.  Details Dipyridamole decreases the metabolism of adenosine. Intravenous infusion of adenosine in patients who are taking dipyridamole can cause dizziness, bradycardia, and syncope. Dipyridamole should be discontinued for several days prior to a cardiac stress test using adenosine (12209).

METHYLXANTHINES Interaction Rating = Minor Be watchful with this combination. Severity = Mild •  Occurrence = Possible •  Level of Evidence = D Methylxanthines are competitive antagonists of adenosine and can block its pharmacologic effects.  Details The methylxanthines, aminophylline, caffeine, and theophylline, can block the effects of adenosine by acting as competitive antagonists at adenosine cell surface receptors (9157). It is recommended that methylxanthines be avoided for 24 hours prior to cardiac stress tests (11770).

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ACARBOSE (Precose, Prandase) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, pancreatic enzyme products may reduce the effects of acarbose.  Details The digestive enzymes present in pancreatic enzyme products may break down acarbose, reducing its effects (9).

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General ...Intravenously, the prescription form of adenosine can cause cardiovascular and respiratory adverse effects. When used orally or intramuscularly, no adverse effects have been reported; however, a thorough evaluation of safety outcomes has not been conducted.
Most Common Adverse Effects:
Intravenously: Chest pain, dizziness, dyspnea, facial flushing, headache, hypotension, nausea, nervousness, numbness, paresthesias, and tingling.
Serious Adverse Effects (Rare):
Intravenously: Arrhythmias, first- and second-degree heart block, hypersensitivity reactions, myocardial infarction, ST segment depression, and ventricular tachycardia.

Cardiovascular ...Intravenously, adenosine causes chest pain, palpitations, hypotension, and supraventricular tachycardia (15,9148). Intravenous adenosine has also been associated with arrhythmias, fatal or nonfatal cardiac arrest, ventricular tachycardia, and myocardial infarction (15). Intravenously, adenosine triphosphate (ATP) causes chest pain, particularly at doses greater than 50 mcg/kg per minute (9154).

Dermatologic ...Intravenously, adenosine causes flushing in up to 44% of patients in clinical research (15). Topically, folliculitis and pruritus can occur after application of adenosine to the scalp (93689).

Gastrointestinal ...Intravenously, adenosine can cause abdominal discomfort (15).

Neurologic/CNS ...Rapid intravenous injection of adenosine can cause headache, lightheadedness, insomnia, and anxiety (9148,9151,9152,9154,9158). New onset seizures, including tonic-clonic seizures, have also occurred (15). Intrathecally, adenosine has been reported to cause headache (9157).

Pulmonary/Respiratory ...Intravenously, adenosine can cause dyspnea, bronchospasm, bronchoconstriction, and respiratory arrest (15). Intravenously, adenosine triphosphate (ATP) causes dyspnea, which can be severe, particularly at doses greater than 50 mcg/kg/minute (9154).

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General ...Orally, prescription pancreatic enzyme products are generally well tolerated when used at prescribed doses in adults and children.
Most Common Adverse Effects:
Orally: Prescription pancreatic enzyme products can cause abdominal pain, constipation, diarrhea, dry mouth, flatulence, irritation of the skin around the mouth and anus, nausea, steatorrhea, and vomiting.
Topically: Pancreatic enzyme product powder is irritating to the skin, eyes, mucus membranes, and respiratory tract. Pancreatic enzyme products that are held in the mouth prior to swallowing can cause irritation of the mucosa, including ulceration and stomatitis.
Serious Adverse Effects (Rare):
Orally: Prescription pancreatic enzyme products can worsen glucose control. Extremely high doses have been associated with fibrosing colonopathy and high uric acid levels in blood and urine.
Topically: Inhalation of dust containing pancreatic enzyme products has been associated with asthma, bronchospasm, and pulmonary hypersensitivity reactions.

Dermatologic ...Orally, rash or skin conditions have been reported rarely in individuals taking prescription pancreatic enzyme products (67709,98667). A pruritic rash occurred in one patient taking a prescription pancreatic enzyme product in one clinical trial; this event was considered by the investigators to be possibly related to treatment (98667). Erythema also occurred in an 84-year-old patient who had taken a digestive enzyme supplement containing pancreatic enzymes and other enzymes (67709). In a case report, taking a supplemental form of pancreatic enzymes also containing hemicellulose and dried ox bile extract powder (Festal, Handok Inc) was thought to be the cause of an acute generalized exanthematous pustulosis (AGEP). The patient required an antihistamine and an oral and topical corticosteroid. Since this product contained more than one ingredient, the role of the pancreatic enzymes in this specific adverse event is unclear (98675).
Topically, exposure to pancreatic enzyme product powder is irritating to the skin. Hypersensitivity reactions such as skin rash have been reported (15).

Endocrine ...Orally, prescription pancreatic enzyme products may cause hypoglycemia or hyperglycemia in some patients (67622,98676,98677). In a double-blind trial of a prescription pancreatic enzyme product compared with placebo in patients with unresectable pancreatic cancer and associated pancreatic duct obstruction, one patient developed diabetes during the study period (67708).

Gastrointestinal ...Orally, prescription pancreatic enzyme products can cause abdominal pain, constipation, diarrhea, dry mouth, irritation of the skin around the mouth and anus, flatulence, nausea, steatorrhea, and vomiting. However, these symptoms can be controlled by following prescription dosing recommendations (67617,67618,67645,67648,67651,67653,67657,67666,67714,98667)(98676,99115,99117,99123,99130). Doses of higher than 2500 lipase units/kg body weight per meal are not recommended unless medically necessary in order to prevent serious side effects, including fibrosing colonopathy and colonic strictures. These side effects are associated with the higher doses of lipase in prescription pancreatic enzyme products (2382,67677,67678,67679,67680,67682,67689,67690,67696,67701,99130).
Topically, pancreatic enzyme products that are held in the mouth prior to swallowing can cause irritation of the mucosa, including ulceration and stomatitis (15).

Hematologic ...Orally, severe neutropenia has been reported with a pancreatic enzyme product. In one case report, a 61-year-old patient taking a prescription pancreatic enzyme product for chronic pancreatitis developed agranulocytosis that persisted despite a trial of filgrastim. Upon discontinuation of the pancreatic enzyme product, marked improvement in neutropenia occurred within 7 days, with full resolution within 6 weeks (107411).

Neurologic/CNS ...Orally, headache and dizziness have been reported rarely in individuals taking prescription pancreatic enzyme products (67618,98667,99120).

Ocular/Otic ...Topically, exposure to pancreatic enzyme product powder is irritating to the eyes. Hypersensitivity reactions such as watery eyes have been reported (15).

Pulmonary/Respiratory ...Topically, exposure to pancreatic enzyme product powder is irritating to the respiratory tract. Hypersensitivity reactions such as sneezing have been reported (15). Inhalation of dust containing pancreatic enzyme products has been associated with allergic rhinitis, asthma, bronchospasm, and pulmonary hypersensitivity reactions (11768,11769,67641).

Renal ...Orally, extremely high doses of pancreatic enzyme products containing more than 10,000 lipase units/kg body weight daily have been associated with high uric acid levels in blood and urine (67673,67693,67705). Rarely, kidney pain has been reported (98667).

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