Exhibit 1

JOINT FILING AGREEMENT

The undersigned hereby agree that the Statement on Schedule 13D, dated September 7, 2018, with respect to the ordinary shares of SteadyMed Ltd. is filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. Each of the undersigned agrees to be responsible for the timely filing of this Statement, and for the completeness and accuracy of the information concerning itself contained therein. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the 7th day of September, 2018.

	ORBIMED ADVISORS LLC

	By:	/s/ Jonathan T. Silverstein
		Name: Jonathan T. Silverstein
		Title: Member of OrbiMed Advisors LLC

	By:	/s/ Sven H. Borho
		Name: Sven H. Borho Title: Member of OrbiMed Advisors LLC

	By:	/s/ Carl L. Gordon
		Name: Carl L. Gordon
		Title: Member of OrbiMed Advisors LLC

	ORBIMED ADVISORS ISRAEL II LIMITED

	By:	/s/ Carl L. Gordon
		Name: Carl L. Gordon
		Title: Director

	ORBIMED ISRAEL GP II, L.P.

	By:	ORBIMED ADVISORS ISRAEL II LIMITED, its general partner

	By:	/s/ Carl L. Gordon
		Name: Carl L. Gordon
		Title: Director

	ORBIMED CAPITAL GP VI LLC

	By:	ORBIMED ADVISORS LLC, its managing member

	By:	/s/ Jonathan T. Silverstein
		Name: Jonathan T. Silverstein
		Title: Member of OrbiMed Advisors LLC

	By:	/s/ Sven H. Borho
		Sven H. Borho
		Member of OrbiMed Advisors LLC

	By:	/s/ Carl L. Gordon
		Carl L. Gordon
		Member of OrbiMed Advisors LLC

SteadyMed Ltd. SC 13D/A