Question: Are there any specific antidotes for rivaroxaban?

Context:
Novel oral anticoagulants (NOACs)--apixaban, dabigatran, and rivaroxaban--have a significantly smaller risk of intracerebral hemorrhage (ICH). However, two facts make this situation complicated: First, the risk of hematoma expansion is unknown for NOACs. Second, there is no specific antidote for neither of the NOACs.
he new oral anticoagulants dabigatran etexilate (Pradaxa), rivaroxaban (Xarelto), and apixaban (Eliquis) have predictable pharmacokinetic and pharmacodynamic profiles and are alternatives to warfarin. However, many physicians are wary of these drugs, since there is limited evidence on how to manage bleeding in patients taking them, and since no specific antidote is known to reverse their anticoagulant effect. 
Given the absence of a specific antidote, the action to be taken in these situations must be defined. 
The fact that there is no specific antidote to reverse the anticoagulant action of the new anticoagulants can impair management of hemorrhagic complications; 
Like any new therapy, the potential benefits must be weighed against the potential challenges and one of the most concerning aspects of the new target-specific oral anticoagulants is the lack of a proven method to reverse their effect. Unlike the vitamin K antagonist, i.e. warfarin, there is no specific antidote for these medications. 
Two major drawbacks are on the one hand the risk of drug accumulation in kidney and/or liver disease and, on the other hand, the lack of specific antidotes.
NOA also have other unresolved problems: drug interactions are still possible, specific coagulation test to assess them must be developed, and no specific antidote is currently available in case of hemorrhagic complication.
But they have disadvantages also, they depend on renal clearance, they can interact with other medicaments and they lack a specific antidote. 
While these trial data are extremely encouraging, several practical issues (e.g., lack of specific antidote, safety of long-term treatment or cost-effectiveness in "real-life" clinical practice) still need to be elucidated.
In case of massive bleeding, management is unclear and none of these newer agents has a specific antidote that completely reverses its anticoagulant effect.
The short half-life of these new agents compensates for the lack of any specific antidote in many instances. 
Currently, none of these new agents has a specific antidote, and little advise can be given on how to manage a major bleeding event.
Rivaroxaban, which inhibits activated factor X (Xa), is currently in clinical trials and is the most advanced factor Xa inhibitor. The drug offers once-daily oral dosing, with no need for injections, dose titration, or frequent blood tests to monitor the international normalised ratio. It has a rapid onset of action and, although there is no specific antidote, it has a short plasma elimination half-life (about 5-9 hours). 
Increased use of dabigatran, rivaroxaban, and apixaban as oral anticoagulants for the treatment of atrial fibrillation and acute deep venous thrombosis has increased despite the lack of known antidotes to these medications.
There is no antidote for reversal and no reliable laboratory monitoring of the anticoagulant effect for emergency situations. 
Further concerns about the use of NOAC in the elderly are the high prevalence of renal insufficiency in AF patients >75 years of age, the largely unknown risk of drug-drug and drug-food interactions, the lack of easily available laboratory monitoring tests of anticoagulant activity and the lack of an antidote.
Specific antidotes for the reversal of the anticoagulant effect of these drugs, such as monoclonal antibodies against the direct thrombin inhibitor dabigatran or recombinant Xa-analog in the case of factor Xa inhibitors, are still being investigated in early clinical trials.
In early 2013 there is no antidote for dabigatran, rivaroxaban or apixaban, nor any specific treatment with proven efficacy for severe bleeding linked to these drugs. 

Answer: Currently, there is no specific antidote for rivaroxaban
Exact answer: no